Communication methods, apparatuses and device, chip and storage medium

Abstract

The embodiments of the present application provide a communication method, which is applied to a terminal device having a sensing service. The method comprises: receiving first information, wherein the first information is used for the terminal device to perform cell selection or cell reselection for the sensing service. The method specifies how to perform cell selection / cell reselection when a terminal device needs to execute a sensing service.

Description

A communication method, apparatus, device, chip, and storage medium Technical Field

[0001] This application relates to the field of communication technology, specifically to a communication method, apparatus, device, chip, and storage medium. Background Technology

[0002] In the integration of communication and sensing, information about the environment and / or target objects in the environment (such as the attributes and states of the target objects) can be obtained by analyzing the direct, reflected, and scattered signals of radio waves. This enables functions such as positioning, ranging, velocity measurement, imaging, detection, identification, and environmental reconstruction, thereby achieving the perception and exploration of the physical world.

[0003] In some scenarios, terminal devices can act as sensing nodes to participate in and execute sensing services. However, how to perform cell selection / cell reselection when terminal devices need to execute sensing services is a problem that urgently needs to be solved.

[0004] Summary of the Invention

[0005] This application provides a communication method, apparatus, device, chip, and storage medium.

[0006] In a first aspect, embodiments of this application provide a communication method applied to a terminal device. The method includes: receiving first information, the first information being used by the terminal device to perform cell selection or cell reselection for sensing services.

[0007] Secondly, embodiments of this application provide a communication method applied to a network device. The method includes: sending first information to a terminal device, wherein the first information is used by the terminal device to perform cell selection or cell reselection for a sensing service.

[0008] Thirdly, embodiments of this application provide a communication device, which includes: a first communication unit configured to receive first information, the first information being used by the device to perform cell selection or cell reselection for sensing services.

[0009] Fourthly, embodiments of this application provide a communication device, which includes: a second communication unit configured to send first information to a terminal device, the first information being used by the terminal device to perform cell selection or cell reselection for sensing services.

[0010] Fifthly, embodiments of this application provide a communication device, including: a memory for storing a computer program; a processor connected to the memory for calling and running the computer program from the memory to implement the method described in the first or second aspect; and a transceiver for receiving and sending information during the process of sending and receiving information with other devices.

[0011] Sixthly, embodiments of this application provide a chip. The chip includes: a processor for retrieving and running a computer program from a memory, causing a device on which the chip is installed to perform the method described in the first or second aspect; and a transceiver for receiving and sending information during the exchange of information with the device or the chip.

[0012] In a seventh aspect, embodiments of this application provide a computer-readable storage medium for storing a computer program that causes a computer to perform the methods described in the first or second aspect.

[0013] In this embodiment, the terminal device can receive first information, which can be used by the terminal device to perform cell selection or cell reselection for a sensing service. Thus, under a sensing service (or in other words, when the terminal device is performing a sensing service), the terminal device can determine the cell it wants to camp on based on the first information. Attached Figure Description

[0014] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0015] Figure 1 is a schematic diagram of an application scenario of an embodiment of this application;

[0016] Figure 2 is a schematic diagram of the 5G system architecture provided in an embodiment of this application;

[0017] Figure 3 is a schematic diagram of device / no-device sensing provided in an embodiment of this application;

[0018] Figure 4 is a schematic diagram of the wireless sensing mode provided in an embodiment of this application;

[0019] Figure 5 is a schematic diagram of an AF-triggered sensing process provided in an embodiment of this application;

[0020] Figure 6 is a schematic diagram of a UE-triggered perception process provided in an embodiment of this application;

[0021] Figure 7 is a schematic diagram of the coverage scenario of the terminal provided in the embodiment of this application;

[0022] Figure 8 is a schematic diagram of an air interface sensing signaling process for SF-controlled UE-2-UE sensing provided in an embodiment of this application;

[0023] Figure 9 is a schematic diagram of a UE autonomously executing a sensing service according to an embodiment of this application;

[0024] Figure 10 is a schematic diagram of an air interface sensing signaling process for a UE to autonomously execute sensing services according to an embodiment of this application;

[0025] Figure 11 is a flowchart illustrating a communication method provided in an embodiment of this application;

[0026] Figure 12 is a schematic diagram of the structural composition of the communication device provided in an embodiment of this application;

[0027] Figure 13 is a schematic diagram of the structural composition of the communication device provided in an embodiment of this application;

[0028] Figure 14 is a schematic structural diagram of a communication device provided in an embodiment of this application;

[0029] Figure 15 is a schematic structural diagram of a chip according to an embodiment of this application;

[0030] Figure 16 is a schematic block diagram of a communication system provided in an embodiment of this application. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will now be described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0032] Figure 1 is a schematic diagram of an application scenario of an embodiment of this application.

[0033] As shown in Figure 1, the communication system 100 may include a terminal device 110 and a network device 120. The network device 120 can communicate with the terminal device 110 via an air interface. Multi-service transmission is supported between the terminal device 110 and the network device 120.

[0034] It should be understood that the embodiments of this application are only illustrated by way of example with communication system 100, but the embodiments of this application are not limited thereto. That is to say, the technical solutions of the embodiments of this application can be applied to various communication systems, such as: Long Term Evolution (LTE) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Internet of Things (IoT) system, Narrow Band Internet of Things (NB-IoT) system, enhanced Machine-Type Communications (eMTC) system, 5G communication system (also known as New Radio (NR) communication system), 6G communication system, or future communication systems, etc.

[0035] In the communication system 100 shown in Figure 1, network device 120 may be an access network device that communicates with terminal device 110. The access network device can provide communication coverage for a specific geographical area and can communicate with terminal device 110 (e.g., UE) located within that coverage area.

[0036] Network device 120 may be an evolved Node B (eNB or eNodeB) in a Long Term Evolution (LTE) system, or a Next Generation Radio Access Network (NG RAN) device, or a base station (gNB) in an NR system, or a base station in a 6G system, or a radio controller in a Cloud Radio Access Network (CRAN), or the network device 120 may be a relay station, access point, vehicle-mounted equipment, wearable device, hub, switch, bridge, router, or network equipment in a future evolved Public Land Mobile Network (PLMN), etc.

[0037] Terminal device 110 can be any terminal device, including but not limited to terminal devices that are connected to network device 120 or other terminal devices via wired or wireless connections.

[0038] For example, the terminal device 110 can refer to an access terminal, user equipment (UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user device. The access terminal can be a cellular phone, cordless phone, Session Initiation Protocol (SIP) phone, IoT device, satellite handheld terminal, Wireless Local Loop (WLL) station, Personal Digital Assistant (PDA), handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle device, wearable device, terminal device in a 5G network, terminal device in a 6G network, or terminal device in a future evolved network, etc.

[0039] Terminal device 110 can be used for device-to-device (D2D) communication.

[0040] The communication system 100 may further include a core network device 130 that communicates with the network device 120. This core network device 130 may be a 5G core network (5G Core, 5GC) device, such as an Access and Mobility Management Function (AMF), an Authentication Server Function (AUSF), a User Plane Function (UPF), or a Session Management Function (SMF). In some embodiments, the core network device 130 may also be an Evolved Packet Core (EPC) device for an LTE network, such as a Session Management Function + Core Packet Gateway (SMF+PGW-C) device. It should be understood that SMF+PGW-C can simultaneously implement the functions of both SMF and PGW-C. During network evolution, the aforementioned core network device may also be called by other names, or new network entities may be formed by dividing the core network functions; this embodiment does not limit this.

[0041] The various functional units in the communication system 100 can also establish connections and communicate with each other through the next generation (NG) interface.

[0042] For example, terminal devices establish air interface connections with access network devices through the NR interface for transmitting user plane data and control plane signaling; terminal devices can establish control plane signaling connections with the AMF through NG interface 1 (N1); access network devices, such as next-generation radio access base stations (gNB), can establish user plane data connections with the UPF through NG interface 3 (N3); access network devices can establish control plane signaling connections with the AMF through NG interface 2 (N2); the UPF can establish control plane signaling connections with the SMF through NG interface 4 (N4); the UPF can interact with the data network to exchange user plane data through NG interface 6 (N6); the AMF can establish control plane signaling connections with the SMF through NG interface 11 (N11); and the SMF can establish control plane signaling connections with the Policy Control Function (PCF) through NG interface 7 (N7).

[0043] Figure 1 exemplarily illustrates a network device, a core network device, and two terminal devices. Optionally, the communication system 100 may include multiple network devices, and each network device may include other numbers of terminal devices within its coverage area. This application embodiment does not limit this.

[0044] It should be noted that Figure 1 is merely an example illustrating the system to which this application applies. Of course, the method shown in the embodiments of this application can also be applied to other systems. Furthermore, the terms "system" and "network" are often used interchangeably in this document. The term "and / or" in this document merely describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship. It should also be understood that "instruction" mentioned in the embodiments of this application can be a direct instruction, an indirect instruction, or an indication of a related relationship. For example, A instructing B can mean that A directly instructs B, for example, B can be obtained through A; it can also mean that A indirectly instructs B, for example, A instructs C, B can be obtained through C; or it can mean that there is a related relationship between A and B. It should also be understood that "correspondence" mentioned in the embodiments of this application can indicate a direct or indirect correspondence between two things, or an related relationship between two things, or a relationship of instruction and being instructed, configuration and being configured, etc. It should also be understood that the "predefined" or "predefined rules" mentioned in the embodiments of this application can be implemented by pre-storing corresponding codes, tables, or other means that can be used to indicate relevant information in the device (e.g., including terminal devices and network devices), and this application does not limit the specific implementation method. For example, predefined can refer to those defined in a protocol. It should also be understood that in the embodiments of this application, the "protocol" can refer to standard protocols in the field of communication, such as LTE protocol, NR protocol, and related protocols applied to future communication systems, and this application does not limit this.

[0045] To facilitate understanding of the technical solutions of the embodiments of this application, the relevant technologies of the embodiments of this application are described below. The following relevant technologies are optional solutions and can be combined with the technical solutions of the embodiments of this application in any way, and they all fall within the protection scope of the embodiments of this application.

[0046] 1. 5G System Architecture

[0047] Figure 2 is a schematic diagram of the 5G system architecture provided in this application embodiment. The UE connects to the Access Network (AN) via the Uu interface to establish an access layer connection, exchanging access layer messages and radio data transmissions. The UE connects to the AMF via the N1 interface to establish a non-access stratum (NAS) connection, exchanging NAS messages. The AMF is the mobility management function in the core network, and the SMF is the session management function in the core network. In addition to managing the UE's mobility, the AMF is also responsible for forwarding session management-related messages between the UE and the SMF. The PCF is the policy management function in the core network, responsible for formulating policies related to UE mobility management, session management, and charging. The UPF is the user plane function in the core network, transmitting data with the external data network via the N6 interface and with the AN via the N3 interface.

[0048] 2. Definition of wireless sensing (or simply sensing)

[0049] In the integration of communication and sensing, the sensing capability focuses on wireless signal sensing, that is, by analyzing the direct, reflected and scattered signals of radio waves, it obtains the perception of the environment and / or target objects in the environment (such as attributes and status), and completes functions such as positioning, ranging, speed measurement, imaging, detection, identification and environment reconstruction, so as to realize the perception and exploration of the physical world.

[0050] Wireless sensing can include passive sensing and active sensing.

[0051] Passive sensing: Sensing nodes (network side or terminal) sense objects by acquiring electromagnetic waves (such as terahertz waves) emitted by the target object or by reflecting electromagnetic waves from sources outside the sensing node and the target object. For example, passive sensing technologies may include passive imaging-based sensing technologies from radio astronomy China.

[0052] Active sensing: A sensing transmitting node (network side or terminal) sends electromagnetic waves, which are reflected by the target object, and the sensing receiving node receives the echo to perform sensing. For example, active sensing technology may include active radar-like sensing technology that transmits detection signals. The node receiving the reflected wave is not necessarily the node that sent the detection signal; that is, multiple sensing nodes can achieve active sensing through some form of joint processing.

[0053] Wireless sensing can also include area / object-oriented sensing, as well as device / no-device sensing.

[0054] Per-Area / Object Sensing: 5G-A sensing scenarios can be categorized into per-area sensing scenarios and per-object sensing scenarios based on whether the sensing requirements primarily focus on a specified sensing area or a specified sensing target. Sensing needs are prevalent across various industries. Scenarios requiring efficient real-time sensing of the real-time status of roads, vehicles, and people in factories, roads, low-altitude areas, cities, and even larger spatial and temporal ranges can be termed per-area sensing scenarios. Scenarios utilizing sensing technology to continuously sense and track objects to obtain dynamic monitoring of their status can be termed per-object sensing scenarios.

[0055] Device-based / device-free sensing can be categorized into two types based on whether the sensed target possesses signal transmission or reception capabilities: device-based sensing and device-free sensing. For example, in flight path management, base station and terminal beam management, the sensed targets, such as drones and terminals, are user equipment capable of signal transmission or reception, thus falling under the device-based sensing scenario. Conversely, in weather monitoring and respiratory monitoring, the sensed targets, such as rainfall and people, lack signal transmission or reception capabilities, thus belonging to the device-free sensing scenario.

[0056] Figure 3 illustrates device-based / deviceless sensing. Figures (a) and (c) in Figure 3 represent deviceless sensing, while figures (b) and (d) represent device-based sensing. The sensing modes shown in figures (a) and (b) are UE-UE sensing modes, while figures (c) and (d) represent UE-initiated and received sensing modes.

[0057] 3. Perceiving scenarios and use cases

[0058] In intelligent transportation scenarios, integrated communication and sensing base stations or collaboration between base stations can enable the perception of the road environment, thereby effectively building high-precision maps and providing beyond-line-of-sight assistance for the safe operation of autonomous vehicles. Integrated communication and sensing base stations or collaboration between base stations can also enable all-round, all-weather, and uninterrupted detection of the movement trajectory and speed of vehicles, and upload the perceived information to the processing center, comprehensively improving the intelligent perception capability of highway operation status and providing data support for road supervision. Integrated communication and sensing base stations can also enable the perception of railway track environment, and realize all-weather detection of foreign object intrusion around high-speed rail.

[0059] In intelligent low-altitude scenarios, integrated communication and sensing base stations or inter-base station collaboration can be used to perceive the airspace from all angles and provide the perception results to drones, which can provide redundancy for obstacle avoidance warning and improve the success rate of drone obstacle avoidance. Integrated communication and sensing base stations or inter-base station collaboration can also be used to perceive the entire airspace, locate and track drones that intrude into the monitoring range, and thus realize drone intrusion monitoring for fixed areas.

[0060] In smart living scenarios, based on the collaborative working modes of base stations and terminals, or the self-transmitting and self-receiving of terminals, or the collaborative working modes between terminals, breathing monitoring, fitness monitoring, gesture / posture recognition, etc. can be carried out by sensing changes in wireless channels; based on the integrated communication and sensing base station or the collaboration between base stations, the signal link attenuation in the communication link can be measured, and then the relationship between the signal link attenuation and weather indicators can be used to analyze the corresponding weather indicators and carry out weather monitoring.

[0061] In smart network scenarios, information such as the density and location of idle terminals within a cell can be obtained based on integrated communication and sensing base stations or inter-base station collaboration, which can assist in energy saving and optimization of base station resource scheduling within the cell.

[0062] In intelligent transportation scenarios, continuous vehicle tracking can be achieved based on integrated communication and sensing base stations or cooperation between base stations, enabling real-time dynamic monitoring of vehicle status. For vehicles with wireless communication capabilities, vehicle perception accuracy can be improved through vehicle collaborative sensing.

[0063] In intelligent low-altitude scenarios, drones that intrude into the regulatory range can be located and tracked based on integrated communication and sensing base stations or cooperation between base stations, and then actions can be taken to drive away "black flight" drones. For networked drones with wireless communication capabilities, drone cooperation can also be used to sense and identify the drone's flight status, obstacles in the flight path, etc., and provide auxiliary flight services.

[0064] In smart living scenarios, by carrying a terminal with communication capabilities, based on the working modes of base station and terminal collaboration, terminal self-transmission and self-reception, or inter-terminal collaboration, it is possible to perform breathing monitoring, fitness monitoring, gesture / posture recognition, etc. on a specific human body to achieve accurate real-time dynamic monitoring.

[0065] In intelligent network scenarios, sensing technology can be used to help improve beam management and channel estimation accuracy, enhance terminal beam tracking timeliness, improve channel estimation accuracy, and reduce feedback overhead.

[0066] 4. 3GPP awareness

[0067] Current cellular networks (including 5G networks) are used solely for communication. However, the radio electromagnetic signals used by cellular networks can be used not only for wireless data transmission and communication but also for environmental sensing capabilities. For example, they can be used for user action or gesture recognition, respiratory monitoring, terminal movement speed measurement, environmental imaging, and weather monitoring. Therefore, future cellular networks could be considered not only for communication and data transmission but also for acquiring sensory information. As an example, Table 1 lists some different levels of sensory information.

[0068] Table 1

[0069] Currently, there is discussion about supporting sensing capabilities in B5G networks. This is being achieved by adding a Sensing Function (AMF) and corresponding procedures to support sensing functions in 3GPP networks. When an application sends a sensing request for a sensing target to the 3GPP core network, the core network can select the correct access network device or auxiliary UE (collectively referred to as a sensing node) through the Sensing Function or AMF, and trigger the ability to perform sensing-related radio measurements, initiating the measurement of sensing information and generating sensing results. Figure 4 shows a schematic diagram of the sensing mode.

[0070] For example, a sensing-integrated wireless sensing mode may include:

[0071] 1) Base station echo sensing (gNB monostatic sensing): The base station sends sensing signals and receives echo signals, corresponding to (a) in Figure 4.

[0072] 2) Inter-base station sensing (gNB-gNB sensing, gNB-gNB bistatic sensing): Base station B receives the sensing signal sent by base station A, corresponding to (b) in Figure 4.

[0073] 3) Air interface uplink sensing (UE-gNB sensing, gNB-UE bistatic sensing): The base station receives the sensing signal sent by the terminal, corresponding to (c) in Figure 4.

[0074] 4) Downlink sensing (gNB-UE sensing, UE monostatic sensing): The terminal receives sensing signals sent by the base station, corresponding to (d) in Figure 4.

[0075] 5) Terminal echo sensing (UE monostatic sensing): The terminal sends sensing signals and receives echo signals, corresponding to (e) in Figure 4.

[0076] 6) UE-UE bistatic sensing: Terminal B receives the sensing signal sent by Terminal A, corresponding to (f) in Figure 4.

[0077] Figure 5 illustrates a sensing process triggered by an Application Function (AF). As shown in Figure 5, the sensing request in S501 can be triggered by the AF, hence it is called an AF-triggered sensing process. This sensing request belongs to the Mobile Terminated-Sensing Request (MT-SR).

[0078] As shown in Figure 5, the AF-triggered sensing process may include the following steps:

[0079] S501, AF sends a perception request (including perception service type, service requirements, etc.) to the Network Explosure Function (NEF).

[0080] S502, NEF and Unified Data Management (UDM) are authorized to perceive each other.

[0081] S503, NEF sends a perception request to AMF.

[0082] S504, AMF performs Sensing Function (SF) selection.

[0083] S505, AMF sends a perception request to SF-C (SF control plane).

[0084] S506 executes the air interface awareness signaling process.

[0085] S507, SF-C and SF-U (SF user plane) perform perception computing.

[0086] S508, SF-C sends a sensing response to AMF.

[0087] S509, the AMF sends a perception response (including perceived target information) to the AF via the NEF.

[0088] In addition to MT-SR, sensing requests also include Mobile Originated-Sensing Request (MO-SR) initiated by the mobile terminal, as shown in Figure 6, and Network Induced-Sensing Request (NI-SR) that may be triggered by network elements within the network.

[0089] As shown in Figure 6, the sensing process initiated by the mobile terminal may include the following steps:

[0090] S601, the UE sends a perception request (including the type of perception service, service requirements, etc.) to the AMF.

[0091] S602, AMF performs SF selection.

[0092] S603, AMF sends a sensing request to SF-C.

[0093] S604, execute the air interface awareness signaling process.

[0094] S605, SF-C and SF-U perform sensing computing.

[0095] S606, SF-C sends a sensing response to AMF.

[0096] S607, AMF sends a perception response (including perception target information) to UE.

[0097] S506 in Figure 5 and S604 in Figure 6 represent the air interface awareness signaling flow. The air interface awareness signaling flow can be categorized based on the different network elements involved: signaling interaction between SF and gNB, signaling interaction between SF and UE, signaling interaction between gNB and UE, and signaling interaction between UEs.

[0098] Because different sensing modes involve different sensing node types (UE / gNB), the required air interface signaling procedures also differ, as shown in Table 2. "√" indicates the existence of a corresponding air interface signaling procedure, while "×" indicates the absence of a corresponding air interface signaling procedure.

[0099] Table 2

[0100] The following section uses the terminal-aware mode (i.e., UE-2-UE awareness, UE self-transmitting and self-receiving awareness) as an example to introduce the air interface awareness signaling process.

[0101] Figure 7 is a schematic diagram of the coverage scenario of the terminal provided in the embodiments of this application. As shown in Figure 7, for the terminal awareness mode (UE-2-UE awareness, UE self-transmitting and self-receiving awareness), its basic process design needs to consider the different coverage scenarios in which the terminal is located. Similar to R18 sidelink positioning, in the initial design stage, the basic process for the terminal awareness mode can prioritize the two main scenarios of in-coverage (IC) and out-of-coverage (OOC).

[0102] In IC scenarios, whether it is UE-2-UE perception or UE self-sensing perception, SF and other core network elements can participate in the perception process as control nodes, as shown in Figure 5.

[0103] Figure 8 is a schematic diagram of an air interface awareness signaling flow for SF-controlled UE-2-UE awareness provided in an embodiment of this application. As shown in Figure 8, the air interface awareness signaling flow may include the following steps:

[0104] S801, SF sends a Sensing Capabilities Request to the Sensing Receiving UE (SRx UE).

[0105] S802, SF sends a Sensing Capabilities Report to the Sensing Transmitting UE (STx UE).

[0106] S803, SF sends a Sensing Reference Signal Info Request to gNB.

[0107] S804, gNB determines the sensing reference signal resources.

[0108] S805, gNB sends Sensing RS Tx Configuration to STx UE.

[0109] S806, gNB sends Sensing RS Info Response to SF.

[0110] S807, SF sends a Sensing Activation Request to gNB.

[0111] S808, gNB sends an Activate Sensing RS transmission message to STx UE.

[0112] In S809, the SF sends a Provide Sensing Assistance Data message to the SRx UE, which includes the Sensing Reference Signal Reception Configuration (Sensing RS Rx config).

[0113] S810, SF sends a Sensing Information Request to SRx UE, which includes sensing measurements, measurement configuration, and report configuration.

[0114] S811, SRx UE performs sensing reference signal measurement.

[0115] S812, SRx UE sends Sensing Information Report to SF.

[0116] S813, SF sends a Sensing Deactivation Request to gNB.

[0117] S814, gNB sends a Deactivate Sensing RS transmission message to STx UE.

[0118] For OOC scenarios, similar to R18 side-by-side positioning, since the terminal cannot obtain network coverage, core network elements such as SF cannot participate in the terminal sensing process, and the sensing process shown in Figure 5 is not applicable. In this case, it is necessary to select some terminals with strong capabilities to partially undertake some of the SF's tasks in OOC scenarios. Therefore, in addition to the two types of sensing execution terminals, sensing sending terminals and sensing receiving terminals, it is also necessary to define the terminal roles of sensing service terminals / sensing management terminals (Sensing Server / Management UE).

[0119] The different terminal roles are defined as follows:

[0120] 1) Sensing Transmitting UE (STx UE): In terminal sensing, it is responsible for transmitting sensing reference signals;

[0121] 2) Sensing Receiving UE (SRx UE): In terminal sensing, it is responsible for receiving the measurement sensing reference signal and obtaining the sensing measurement quantity;

[0122] 3) Sensing Server UE (SS UE): In terminal sensing, it undertakes some SF functions in OOC scenarios, such as processing sensing measurements. The Sensing Server UE / Sensing Management UE may be one of the sensing transmitting terminal and sensing receiving terminal, or it may operate independently.

[0123] Specifically, for UE-initiated sensing, the sensing transmitting terminal and the sensing receiving terminal are the same terminal.

[0124] Figure 9 is a flowchart illustrating a UE autonomously executing a sensing service according to an embodiment of this application. This flowchart is mainly for OOC scenarios or scenarios where the current network does not support sensing services.

[0125] As shown in Figure 9, the process of a UE autonomously executing sensing services may include the following steps:

[0126] S901, the Sensing Client UE sends a sensing service request to UE1 via PC5 message.

[0127] S902, UE1 obtains a perception service request from the application layer.

[0128] S903, UE1 discovers UE2 / ... / UEn.

[0129] S904, UE1 determines that the UE will autonomously execute the perceived service (Determine UE-only Operation).

[0130] S905, UE1 and UE2 / ... / UEn perform capability exchange.

[0131] S906, Discovery and selection of UEs for sensing services.

[0132] S907, UE1, UE2 / ... / UEn and the perception service UE perform perception-assisted data transmission.

[0133] S908, UE1 and UE2 / ... / UEn perform sensing reference signal measurements.

[0134] S909, UE1, UE2 / ... / UEn and the sensing service UE perform sensing reference signal measurement data transmission and result calculation.

[0135] S910, UE1 sends a perception response to the perception client UE via PC5 message.

[0136] S911, UE1 sends a perception service response to the application layer.

[0137] S905 to S909 are the air interface awareness signaling procedures.

[0138] For the air interface awareness signaling process of S905 to S909, Figure 10 takes UE-2-UE awareness as an example and further illustrates an air interface awareness signaling process for UE to autonomously execute awareness services. This process diagram is mainly for OOC scenarios.

[0139] As shown in Figure 10, the air interface awareness signaling process may include the following steps:

[0140] S1001, the sensing service UE sends a sensing capability request to the SRx UE and STx UE.

[0141] S1002, SRx UE and STx UE send Sensing Capabilities Report to Sensing Service UE.

[0142] S1003, the sensing service UE sends a sensing reference signal request (Sensing RS Request) to the STx UE.

[0143] S1004, STx UE determines the sensing reference signal resources.

[0144] S1005, STx UE sends a Sensing Reference Signal Response to the Sensing Service UE.

[0145] S1006, the sensing service UE sends a Provide Sensing Assistance Data message to the SRx UE, which includes the Sensing Reference Signal Reception Configuration (Sensing RS Rx config).

[0146] S1007, the sensing service UE sends a sensing information request to the SRx UE, which includes sensing measurements, measurement configuration, and report configuration.

[0147] S1008, SRx UE performs sensing reference signal measurement.

[0148] S1009, SRx UE sends a Sensing Information Report to the Sensing Service UE.

[0149] 5. Community Selection

[0150] When a UE powers on or enters a coverage area from a dead zone, it searches for all permitted frequency points in the Public Land Mobile Network (PLMN) and selects a suitable cell to camp on; this process is called "cell selection." Cell selection can be categorized into initial cell selection and cell selection based on stored information. Regardless of the type, the cell to be selected must be measured for channel quality assessment to determine if it meets the camping criteria. The cell selection criterion in a cellular network is called the S-criterion; camping is permitted when the S-criterion is met.

[0151] Cell selection based on stored information: The UE has stored carrier frequency information, and may also include some cell parameter information, such as information obtained from previously received measurement and control information or previously camped or detected cells. The UE will prioritize cells with relevant information, and once a suitable cell appears, the UE will select that cell and camp on it. If none of the cells with stored information are suitable, the UE will initiate initial cell selection.

[0152] S-Criterion: A cell satisfies the S-criterion, meaning that the Reference Signal Receiving Power (RSRP) and Reference Signal Receiving Quality (RSRQ) measurements simultaneously meet the following conditions:

[0153] Srxlev>0 and Squal>0; Srxlev=Q rxlevmeas -(Q rxlevmin +Q rxlevminoffset )-P compensation -Qoffset temp Squal = Q qualmeas -(Q qualmin +Q qualminoffset -Qoffset temp ;

[0154] The meanings of the parameters in the above formula are as follows:

[0155] Srxlev: The S value related to the cell selection RSRP, also known as the cell selection RX level value, in decibels (dB).

[0156] Squal: The S value related to cell selection RSRQ, also known as cell selection quality value, is expressed in decibels (dB).

[0157] Qoffset temp Temporary offset value, announced in system broadcast;

[0158] Q rxlevmeas RSRP measurement quantity;

[0159] Q qualmeas RSRQ measurement quantity;

[0160] Q rxlevmin The minimum RSRP receive strength requirement for the cell is announced in the system broadcast.

[0161] Q qualmin The minimum RSRQ requirement for the cell is announced in a system broadcast.

[0162] Q rxlevminoffset Q rxlevmin The offset value, which is the offset value to prevent the ping-pong effect caused by radio environment fluctuations between two PLMNs, only needs to be considered when normally camped in a suitable cell of the roaming network (VPLMN) and periodically searching for higher priority PLMNs. This offset value is notified in the system broadcast.

[0163] Q qualminoffset Q qualmin The offset, which is the offset value to prevent the ping-pong effect caused by radio environment fluctuations between two PLMNs, only needs to be considered when normally camped in a suitable cell of the roaming network (VPLMN) and periodically searching for higher priority PLMNs. This offset value is notified in the system broadcast.

[0164] P compensation Power compensation due to low power of electronic devices will be announced in the system broadcast.

[0165] 6. Cell reselection

[0166] Cell reselection refers to the process by which a UE, in idle mode, monitors the signal quality of neighboring cells and the current cell to select the best cell to provide service signal. Cell reselection can be divided into intra-frequency cell reselection and inter-frequency cell reselection. Intra-frequency cell reselection can solve radio coverage problems, while inter-frequency cell reselection can not only solve radio coverage problems but also achieve load balancing by setting the priority of different frequency points.

[0167] During cell reselection, in idle or inactive mode, the UE can select a better cell and camp on it by detecting the signal quality of neighboring cells and the current cell, combined with broadcast messages. After successfully camping on the current cell through the cell selection process, the UE will continuously perform cell measurements on the current cell and decide whether to initiate neighbor cell measurements. During the neighbor cell measurement process, when the signal quality and level of the neighboring cell meet the S criterion and a certain reselection decision criterion (R criterion), the UE will abandon the current cell and camp on that neighboring cell.

[0168] For example, the UE's Radio Resource Control (RRC) layer can calculate Srxlev / Squal (S criterion) based on RSRP / RSRQ measurement results and compare it with S IntraSearchP / S IntraSearchQ (Same-frequency measurement start threshold) and S nonIntraSearchP / S nonIntraSearchQ The comparison of (different frequency or different system measurement start threshold) serves as the criterion for deciding whether to start neighbor cell measurement.

[0169] Table 3 provides the decision conditions (measurement activation conditions) for whether to initiate same-frequency or different-frequency measurements. As shown in Table 3, if the neighboring cell measurement is a same-frequency measurement, the electronic device compares Srxlev and S... IntraSearchP , and Squal and S IntraSearchQ Among them, S IntraSearchQ and S IntraSearchP This is the threshold for initiating same-frequency measurements. If the neighboring cell measurement is an inter-frequency or inter-system measurement, the electronic equipment compares Srxlev and S... nonIntraSearchP , and Squal and S nonIntraSearchQ Among them, S nonIntraSearchQ and S nonIntraSearchP This is the threshold for starting measurements at different frequencies or in different systems.

[0170] Table 3

[0171] After the measurement conditions are met, the UE can perform same-frequency or different-frequency measurements on the neighboring cells of the current cell, and obtain a set of candidate cells based on the measurement results. Then, as shown in Table 4, the reselection conditions can be evaluated according to different reselection target frequencies, and a suitable cell can be selected and camped on based on the evaluation results. For frequencies with the same frequency or equal priority, the set of candidate cells can be sorted according to certain criteria (such as the R criterion), and a suitable cell can be selected and camped on based on the sorting results.

[0172] Table 4

[0173] During cell reselection, if multiple cells with different priorities simultaneously meet the cell reselection conditions (reselection criteria), the higher priority frequency or RAT takes precedence over the lower priority frequency or RAT. For frequencies of the same frequency or equal priority, the current cell and neighboring cells are ranked according to the R criterion.

[0174] R-criteria (criteria for cell reselection between cells of the same frequency and different frequencies with the same priority): The current cell and candidate cells can be calculated using the following formula, and then sorted according to the size of the R-value:

[0175] Formula for calculating the R-value of a service cell: R s =Q meas,s +Q hyst -Qoffset temp

[0176] Formula for calculating the R value of neighboring cells: R n =Q meas,n -Qoffset-Qoffset temp

[0177] The meanings of the parameters in the above formula are as follows:

[0178] Q meas RSRP measurements used for cell reselection;

[0179] Qoffset: For intra-frequency frequencies, if Qoffset s,n If valid, then Qoffset equals Qoffset. s,n Otherwise, Qoffset equals 0; for inter-frequency frequencies, if Qoffset s,n If valid, then Qoffset equals Qoffset. s,n Add Qoffset frequency Otherwise, Qoffset equals Qoffset frequency ;

[0180] Qoffset temp Temporary offset value, announced in system broadcast;

[0181] Q hyst Cell reselection hysteresis value is used to adjust the difficulty of reselection, reduce the ping-pong effect, and is announced in the system broadcast.

[0182] After the UE sorts the current cell and neighboring cells according to the R criterion to obtain a candidate cell set, if rangeToBestCell is configured, it can further select the cell to camp on using rangeToBestCell. That is, from all candidate cells whose R value differs from the cell with the best signal quality by rangeToBestCell, the cell with the most beams satisfying the threshold absThreshSS-BlocksConsolidation is selected as the target cell. If rangeToBestCell is not configured, the UE should reselect to the cell with the best signal quality, i.e., the cell ranked highest according to the R criterion.

[0183] The above provides a brief explanation of the relevant technologies / terms involved in this application, which will not be repeated in the following embodiments.

[0184] As mentioned earlier, in integrated communication and sensing, information about the environment and / or target objects within it (such as the attributes and states of the target objects) can be obtained by analyzing the direct, reflected, and scattered signals of radio waves. This enables functions such as positioning, ranging, velocity measurement, imaging, detection, identification, and environmental reconstruction, thereby achieving the perception and exploration of the physical world. In some scenarios, terminal devices can act as sensing nodes to participate in and execute sensing services. However, how to perform cell selection / cell reselection when terminal devices need to perform sensing services is a problem that urgently needs to be solved.

[0185] In view of this, this application provides a communication method, apparatus, device, chip, and storage medium. In this method, a terminal device can receive first information, which can be used by the terminal device to perform cell selection or cell reselection for a sensing service. Thus, under a sensing service (or in other words, when the terminal device is performing a sensing service), the terminal device can perform cell selection or cell reselection based on the first information.

[0186] To facilitate understanding of the technical solutions of the embodiments of this application, the technical solutions of this application are described in detail below through specific embodiments. The above-mentioned related technologies are optional solutions and can be arbitrarily combined with the technical solutions of the embodiments of this application, all of which fall within the protection scope of the embodiments of this application. The embodiments of this application include at least some of the following contents.

[0187] Figure 11 is a flowchart illustrating the communication method provided in an embodiment of this application. As shown in Figure 11, the method may include the following steps:

[0188] S1101, the terminal device receives first information, which is used by the terminal device to perform cell selection or cell reselection for sensing services.

[0189] The terminal device can be a terminal device with sensing services. For example, the terminal device can have a sensing service being executed.

[0190] In some embodiments, the first information may originate from a network device. That is, the network device may send the first information to the terminal device, and correspondingly, the terminal device may receive the first information from the network device. The first information can be used by the terminal device to perform cell selection or cell reselection for a sensing service, or in other words, the first information can be used by the terminal device to perform cell selection or cell reselection when executing a sensing service (or when the terminal device needs to execute a sensing service / when the terminal device has a sensing service being executed).

[0191] In other words, under the sensing service (or when the terminal device is performing the sensing service), the terminal device can perform cell selection or cell reselection based on the first information to determine the cell to be camped on (target cell). This method clarifies how to perform cell selection / cell reselection when the terminal device needs to perform the sensing service.

[0192] In some embodiments, the first information may include one or more of the following 11) to 15):

[0193] 11) Second information.

[0194] The second piece of information can be used to indicate the sensing capabilities of network devices corresponding to one or more cells.

[0195] In some embodiments, the one or more cells may include one or more of the following: a first candidate cell (such as a candidate cell selected for a cell); the serving cell of the terminal device (or the current serving cell); and one or more neighboring cells.

[0196] In some embodiments, the sensing capabilities of a network device may include one or more of the following: whether the network device supports sensing services; the types of sensing services supported by the network device; the sensing modes supported by the network device; whether the network device can act as a sensing transmitting node; whether the network device can act as a sensing receiving node; and the sensing accuracy of the network device.

[0197] As one possible implementation, for each network device corresponding to one or more cells, a 1-bit indication can be used to indicate whether the network device supports or does not support the sensing service. Whether a network device corresponding to a particular cell supports the sensing service is equivalent to whether that cell itself supports the sensing service. In this way, the terminal device can determine whether each cell in the one or more cells supports the sensing service based on the second information, and then perform cell selection or cell reselection based on whether each cell supports the sensing service to determine the cell it wants to camp on. This avoids the terminal device camping on a cell that does not support the sensing service.

[0198] As one possible implementation, for at least one type of sensing service, a corresponding sensing service type identifier (ID) can be predefined, thereby distinguishing different types of sensing services (such as drone monitoring, intrusion detection, weather monitoring, gesture / attitude recognition, etc.) based on the predefined sensing service type ID.

[0199] As one possible implementation, the sensing modes supported by the network device may include one or more of the following: network device echo sensing (such as gNB self-transmission and self-reception sensing), network device sensing (such as gNB-gNB sensing), air interface uplink sensing (such as UE-gNB sensing), air interface downlink sensing (such as gNB-UE sensing), terminal device echo sensing (such as UE self-transmission and self-reception sensing), and terminal device sensing (such as UE-UE sensing).

[0200] As one possible implementation, whether a network device can act as a sensing transmission node may include: whether the network device has the ability to configure downlink sensing reference signals, and / or whether the network device has the ability to transmit downlink sensing reference signals.

[0201] As one possible implementation, whether a network device can act as a sensing receiving node may include: whether the network device has the ability to configure uplink sensing reference signals, and / or whether the network device has the ability to receive and measure uplink sensing reference signals.

[0202] As one possible implementation, the sensing accuracy of a network device may include one or more of the following: sensing distance, distance resolution, sensing speed, speed resolution, sensing angle, angular resolution, and sensing latency.

[0203] In some embodiments, under a sensing service (or when the terminal device is performing a sensing service), the terminal device can determine, based on the second information, whether the network device corresponding to the first candidate cell can support the sensing service, or whether it can support the sensing service being performed by the terminal device, and thus determine whether the first candidate cell can be used as the stationed cell. This scheme can be applied, for example, to a cell selection scenario, where the cell where the terminal device camps is determined through a cell selection process.

[0204] Among them, the network device corresponding to the first candidate cell is the network device that sends the first information to the terminal device.

[0205] In some embodiments, under the sensing service (or when the terminal device is performing the sensing service), the terminal device can determine, based on the second information, whether the network devices corresponding to the serving cell and / or one or more neighboring cells can support the sensing service, or whether they can support the sensing service being performed by the terminal device. Then, from the serving cell and / or one or more neighboring cells, a cell that can support the sensing service or the sensing service being performed by the terminal device can be determined as the stationary cell. This scheme can be applied, for example, to a cell reselection scenario, where the cell where the terminal device camps is determined through a cell reselection process.

[0206] As an example, if the type of sensing service supported by the network device corresponding to a certain cell is the same as or related to the type of sensing service being executed by the terminal device, then it can be considered that the network device corresponding to the cell can support the sensing service being executed by the terminal device, that is, the cell can support the sensing service being executed by the terminal device.

[0207] According to the method of this embodiment, when a terminal device is performing a sensing service, it can determine whether the sensing capability of the network device corresponding to one or more cells can support the sensing service (or whether it can support the sensing service being performed by the terminal device) based on the second information. Thus, the terminal device can camp on a cell that supports the sensing service (or a cell that supports the sensing service being performed by the terminal device) to avoid unnecessary subsequent cell handover.

[0208] 12) Third information.

[0209] The third piece of information can be used to indicate the set of parameters related to the first criterion under the perception service.

[0210] For example, the third information can be used to determine whether a first candidate cell meets the first criterion under a sensing service (or, in other words, when a terminal device performs a sensing service). Thus, under a sensing service (or, in other words, when a terminal device performs a sensing service), the terminal device can determine whether the first candidate cell meets the first criterion based on the third information, and further determine whether the first candidate cell can be selected as the stationary cell based on whether the first candidate cell meets the first criterion. This scheme can be applied, for example, to a cell selection scenario, where the cell the terminal device stations on is determined through a cell selection process.

[0211] The first criterion is the standard that the first candidate cell must meet to be used as the cell for which the terminal equipment camps. This first criterion can be used to evaluate the signal quality (such as RSRP and / or RSRQ) of the cell during the cell selection process. For example, if a cell meets the first criterion, it means that the signal quality of the cell is good. In one possible approach, the first criterion is the S criterion.

[0212] In some embodiments, the third information may include a first parameter set, wherein the parameters in the first parameter set are of the same type as the parameters in the second parameter set. The second parameter set is used to indicate the set of parameters related to the first criterion under non-aware service conditions. For example, the second parameter set can be used to determine whether a first candidate cell meets the first criterion under non-aware service conditions (or, in other words, when the terminal device is not performing a aware service).

[0213] In the embodiments of this application, the parameters are of the same type, which can also be understood as the parameters representing the same meaning but possibly having different values. For example, the first parameter set includes a first Qoffset. temp The second parameter set contains the second Qoffset. temp First Qoffset temp Second Qoffset temp Both represent temporary offset values, but the first Qoffset temp Second Qoffset temp The value may vary.

[0214] In some embodiments, the first parameter set may include one or more of the following parameters: first Qoffset temp First Q rxlevmin First Q qualmin First Q rxlevminoffset First Q qualminoffset First P compensation The second parameter set may contain one or more of the following parameters: second Qoffset temp Second Q rxlevmin Second Q qualmin Second Qrxlevminoffset Second Q qualminoffset Second P compensation .

[0215] In some embodiments, the third information may include a first offset value and a second set of parameters. In this case, the second set of parameters can be used to indicate both the set of parameters related to the first criterion under the sensing service and the set of parameters related to the first criterion under the non-sensing service.

[0216] In some embodiments, under the sensing service (or when the terminal device performs the sensing service), the terminal device may determine whether the first candidate cell meets the first criterion based on third information.

[0217] For example, in a sensing service scenario (or, in the case where a terminal device performs a sensing service), the terminal device can calculate the Srxlev and Squal of a first candidate cell based on a first set of parameters, and then determine whether the first candidate cell satisfies the S criterion based on the calculated Srxlev and Squal. The calculation formula is as follows: Srxlev = Q rxlevmeas -(First Q) rxlevmin +First Q rxlevminoffset )-First P compensation -First Qoffset temp Squal = Q qualmeas -(First Q) qualmin +First Q qualminoffset )- First Qoffset temp ;

[0218] Another example is in the case of sensing services (or, in other words, when the terminal device performs sensing services), the terminal device can base its decisions on a first offset value (denoted as Qoffset). Sensing The Srxlev and Squal are calculated using the second parameter set, and then the Srxlev and Squal are used to determine whether the first candidate cell meets the S criterion. The calculation formula is as follows: Srxlev = Q rxlevmeas +Qoffset Sensing -(Second Q) rxlevmin +Second Q rxlevminoffset )-Second P compensation -Second Qoffset temp Squal = Q qualmeas +Qoffset Sensing -(Second Q) qualmin +Second Q qualminoffset - Second Qoffset temp .

[0219] It is understandable that, compared with communication services, sensing services may have different requirements for the signal quality (or channel quality) of the cell where they camp. Therefore, configuring third information for sensing services can enable terminal devices performing sensing services to camp on a cell whose signal quality (or channel quality) meets the requirements of sensing services based on the third information.

[0220] 13) Fourth information.

[0221] The fourth information can be used to indicate the frequency priority of one or more cells under a sensing service. In other words, the fourth information can be used to determine the frequency priority of one or more cells under a sensing service (or when a terminal device is performing a sensing service). Thus, under a sensing service (or when a terminal device is performing a sensing service), the terminal device can determine the frequency priority of one or more cells based on the fourth information, and then determine the cell to camp on based on the frequency priority of those one or more cells.

[0222] The frequency priority of one or more cells can also be understood as the frequency priority of one or more cells.

[0223] In some embodiments, the one or more cells may include one or more of the following: the serving cell (or current serving cell) of the terminal device; one or more neighboring cells.

[0224] In some embodiments, the fourth information may include a third parameter set, wherein the parameters in the third parameter set are of the same type as the parameters in the fourth parameter set. The fourth parameter set can be used to indicate the frequency priority of one or more cells under non-aware service conditions. Alternatively, the fourth parameter set can be used to determine the frequency priority of one or more cells under non-aware service conditions (or, when the terminal device is not performing a aware service).

[0225] In some embodiments, the third parameter set may include: a first CellReselectionPriority (abbreviated as FirstPriority), and / or a first CellReselectionSubPriority (abbreviated as FirstSubPriority); the fourth parameter set may include: a second CellReselectionPriority (abbreviated as SecondPriority), and / or a second CellReselectionSubPriority (abbreviated as SecondSubPriority).

[0226] In some embodiments, the fourth information may include a second offset value and a fourth parameter set. In this case, the fourth parameter set can be used to indicate the frequency priority of one or more cells under the awareness service, and also to indicate the frequency priority of one or more cells under the non-aware service.

[0227] In some embodiments, the second offset value may include: an offset value with a priority granularity, and / or an offset value with a subpriority granularity.

[0228] As one implementation, the offset value for the priority granularity can be an integer, and the offset value for the sub-priority granularity can be a decimal. For example, the second offset value may include offset value #1 and / or offset value #2, where offset value #1 is 2 (granularity is priority granularity) and offset value #2 is -0.5 (granularity is sub-priority granularity); or, for another example, the second offset value may include the result of adding offset value #1 and offset value #2 (i.e., 2 - 0.5 = 1.5).

[0229] In some embodiments, under the sensing service (or when the terminal device performs the sensing service), the terminal device may determine the frequency priority of one or more cells based on the fourth information.

[0230] As an example, when a terminal device performs sensing services, the frequency priority of one or more cells can be determined based on a third set of parameters. In this case, the frequency priority of the cell is: First Priority + First SubPriority.

[0231] In another example, when a terminal device is performing a sensing service, the frequency priority of one or more cells can be determined based on the second offset value and the fourth parameter set. In this case, the frequency priority of the cell is: second priority + second subpriority + offset (at least one offset in the second offset value).

[0232] According to the method of this embodiment, the network device can configure fourth information for indicating (or determining) frequency point priority for sensing services. In this way, under the sensing service (or when the terminal device is performing the sensing service), the terminal device can determine the frequency point priority based on the fourth information, which is beneficial for the terminal device to camp on a cell on a frequency point that is more suitable for the sensing service.

[0233] 14) Fifth information.

[0234] The fifth piece of information can be used to indicate (or determine) whether to measure the signal quality (such as RSRP and / or RSRQ) of one or more neighboring cells under a sensing service. Alternatively, the fifth piece of information can be used to determine whether to measure the signal quality of one or more neighboring cells under a sensing service (or when the terminal device is performing a sensing service). Thus, under a sensing service (or when the terminal device is performing a sensing service), the terminal device can determine whether to measure the signal quality of one or more neighboring cells based on the fifth piece of information. Furthermore, if the signal quality of at least one neighboring cell is measured, the cell to which the terminal device should camp can be determined based on the measurement results.

[0235] In some embodiments, the fifth information may include a fifth parameter set, wherein the parameters in the fifth parameter set are of the same type as the parameters in the sixth parameter set. The sixth parameter set can be used to indicate (or determine) whether to measure the signal quality of one or more neighboring cells under non-aware service conditions. Alternatively, the sixth parameter set can be used to determine whether to measure the signal quality of one or more neighboring cells under non-aware service conditions (or, when the terminal device is not performing a aware service).

[0236] In some embodiments, the fifth parameter set may include one or more of the following parameters: First S IntraSearchP First S IntraSearchQ First S nonIntraSearchP First S nonIntraSearchQ The sixth parameter set may contain one or more of the following parameters: the second S IntraSearchP Second S IntraSearchQ Second S nonIntraSearchP Second S nonIntraSearchQ .

[0237] In some embodiments, the fifth information may include a third offset value and a sixth set of parameters. In this case, the sixth set of parameters is used both to indicate (or determine) whether the signal quality of one or more neighboring cells is measured under sensing services, and to indicate (or determine) whether the signal quality of one or more neighboring cells is measured under non-sensing services.

[0238] In some embodiments, measuring the signal quality of one or more neighboring cells includes: measuring the signal quality of a first type of cell in one or more neighboring cells; and / or, measuring the signal quality of a second type of cell in one or more neighboring cells.

[0239] In other words, based on the fifth piece of information, the terminal device can determine whether to measure the signal quality of a first-class cell in one or more neighboring cells, and / or whether to measure the signal quality of a second-class cell in one or more neighboring cells.

[0240] In some embodiments, the first type of cell corresponds to the same frequency point or frequency point priority as the serving cell of the terminal device.

[0241] In some embodiments, the second type of cell corresponds to a different frequency point or frequency priority than the serving cell of the terminal device, or the second type of cell corresponds to a different communication system (or wireless access technology) than the serving cell of the terminal device.

[0242] In some embodiments, whether a cell belongs to the first type of cell or the second type of cell can be determined based on the fourth information.

[0243] In some embodiments, under a sensing service (or when a terminal device performs a sensing service), the terminal device may determine, based on the fifth information, whether to measure the signal quality of one or more neighboring cells.

[0244] For example, under a sensing service (or when a terminal device performs a sensing service), the terminal device can determine whether to measure the signal quality of one or more neighboring cells based on a fifth set of parameters.

[0245] For example, under sensing services (or in other words, when a terminal device performs sensing services), it can be assessed whether the serving cell of the terminal device meets the following condition: the Srxlev of the serving cell > the first S IntraSearchP And the Squal of the serving cell is greater than the first S IntraSearchQ If the conditions are met, it is not necessary to measure the signal quality of the Class I cells in the one or more neighboring cells; otherwise, the signal quality of the Class I cells in the one or more neighboring cells should be measured.

[0246] For example, if at least one cell in the second type of cells among the one or more neighboring cells has a frequency priority and / or communication system (or wireless access technology) priority lower than the frequency priority and / or communication system (or wireless access technology) priority of the serving cell, then, under the sensing service (or in other words, when the terminal device performs the sensing service), it can be evaluated whether the serving cell of the terminal device meets the following condition: the serving cell's Srxlev > the first S nonIntraSearchP And the Squal of the serving cell is greater than S. nonIntraSearchQ If the conditions are met, it is not necessary to measure the signal quality of at least one cell; otherwise, the signal quality of at least one cell should be measured.

[0247] Another example is that, under sensing services (or in the case where the terminal device performs sensing services), it can be determined whether to measure the signal quality of one or more neighboring cells based on the third offset value and the sixth parameter set.

[0248] For example, under sensing services (or in other words, when a terminal device performs sensing services), it can be assessed whether the serving cell of the terminal device meets the following condition: the serving cell's Srxlev > the second S IntraSearchP +offset (at least one offset in the third offset value), and the Squal of the serving cell is greater than the second S. IntraSearchQ +offset (at least one offset in the third offset value). If the condition is met, it is not necessary to measure the signal quality of the first-class cells in the one or more neighboring cells; otherwise, the signal quality of the first-class cells in the one or more neighboring cells should be measured.

[0249] For example, if at least one cell in the second type of cells among the one or more neighboring cells has a frequency priority and / or communication system (or wireless access technology) priority lower than the frequency priority and / or communication system (or wireless access technology) priority of the serving cell, then, under the sensing service (or in other words, when the terminal device performs the sensing service), it can be evaluated whether the serving cell of the terminal device meets the following condition: the serving cell's Srxlev > the second S nonIntraSearchP +offset (at least one offset in the third offset value), and the Squal of the serving cell is greater than the second S. nonIntraSearchQ +offset(at least one offset in the third offset value). If the condition is met, it is not necessary to measure the signal quality of the at least one cell; otherwise, the signal quality of the at least one cell should be measured.

[0250] Among them, the Srxlev and Squal of the serving cell can be calculated, for example, based on the parameters in the third information, or based on the parameters in the second parameter set.

[0251] In some embodiments, under a sensing service (or when a terminal device performs a sensing service), for a certain second-type cell among the one or more neighboring cells, if the frequency priority and / or the priority of the communication system (or wireless access technology) corresponding to the second-type cell is higher than the frequency priority and / or the priority of the communication system (or wireless access technology) corresponding to the serving cell, then the signal quality of the second-type cell should be measured.

[0252] According to the method of this embodiment, under the sensing service (or when the terminal device is performing the sensing service), the terminal device can determine whether it is necessary to measure the signal quality of one or more neighboring cells based on the fifth information. In this way, the network device can enable the terminal device performing the sensing service to start the neighboring cell measurement faster by reasonably configuring the relevant parameters in the fifth information.

[0253] 15) The sixth piece of information.

[0254] The sixth piece of information can be used to indicate the set of parameters related to the first condition and / or the second condition under the perception service.

[0255] For example, the sixth information can be used to determine whether a first type of cell in one or more cells meets a first condition under a sensing service (or, in the case where the terminal device is performing a sensing service), and / or to determine whether a second type of cell in one or more cells meets a second condition.

[0256] The first condition refers to the conditions that a first-type cell from one or more cells must meet to be a cell where a terminal device camps, and the second condition refers to the conditions that a second-type cell from one or more cells must meet to be a cell where a terminal device camps. These first and / or second conditions can be used to evaluate the signal quality (or channel quality) of a cell during the cell reselection process. For example, if a first-type cell meets the first condition, it indicates that the signal quality / channel quality of that first-type cell is relatively good; similarly, if a second-type cell meets the second condition, it indicates that the signal quality / channel quality of that second-type cell is relatively good.

[0257] Thus, under the sensing service (or in other words, when the terminal device is performing the sensing service), the terminal device can determine, based on the sixth information, whether a first type of cell in one or more cells meets the first condition, and / or whether a second type of cell in one or more cells meets the second condition. Furthermore, the terminal device can determine the cell to camp on based on whether a first type of cell in one or more cells meets the first condition, and / or whether a second type of cell in one or more cells meets the second condition.

[0258] Specifically, determining whether a first-type community in one or more communities meets the first condition can also be understood as determining whether each community in the first-type community meets the first condition, or it can also be understood as determining whether each community in the one or more communities meets the first condition; determining whether a second-type community in one or more communities meets the second condition can also be understood as determining whether each community in the second-type community meets the second condition, or it can also be understood as determining whether each community in the one or more communities meets the second condition.

[0259] In some embodiments, the one or more cells may include one or more of the following: the serving cell (or current serving cell) of the terminal device; one or more neighboring cells.

[0260] It should be noted that in some scenarios, the service cell of the terminal device also belongs to the first type of cell.

[0261] In some embodiments, the sixth information may include a seventh parameter set, wherein the parameters in the seventh parameter set are of the same type as the parameters in the eighth parameter set. The eighth parameter set can be used to indicate the set of parameters related to the first condition and / or the second condition under non-aware service conditions. For example, the eighth parameter set can be used to determine whether a first type of cell in one or more cells meets the first condition and / or whether a second type of cell in one or more cells meets the second condition under non-aware service conditions (or, in other words, when the terminal device is not performing a aware service).

[0262] In some embodiments, the seventh parameter set may include one or more of the following parameters a1) to a3):

[0263] a1) Parameters used to determine whether a first-type cell meets the first condition, including one or more of the following: first Qoffset (first Qoffset s,n and / or the first Qoffset frequency ), First Qoffset temp First Q hyst (i.e., R criterion parameters).

[0264] a2) Parameters used to determine whether cells on high-priority frequency points in the second type of cells meet the second condition, including: the first Thresh X,HighP and / or first Thresh X,HighQ High-priority frequencies refer to frequencies whose frequency priority is higher than that of the serving cell of the terminal device.

[0265] a3) Parameters used to determine whether cells on low-priority frequency points in the second type of cells meet the second condition, including one or more of the following: First ThreshServing,LowQ, First Thresh X,LowQ First Thresh Serving, LowP, First Thresh X,LowP Low-priority frequencies refer to frequencies whose frequency priority is lower than that of the serving cell of the terminal device.

[0266] In some embodiments, the eighth parameter set may include one or more of the following parameters b1) to b3):

[0267] b1) Parameters used to determine whether a first-type cell meets the first condition, including one or more of the following: second Qoffset (second Qoffset s,n and / or the second Qoffset frequency ), second Qoffset temp Second Q hyst (i.e., R criterion parameters).

[0268] b2) Parameters used to determine whether cells on high-priority frequency points in the second type of cells meet the second condition, including: the second Thresh X,HighP and / or the second Thresh X,HighQ .

[0269] b3) Parameters used to determine whether cells on low-priority frequency points in the second type of cells meet the second condition, including one or more of the following: second ThreshServing,LowQ, second Thresh X,LowQ Second Thresh Serving, LowP, Second Thresh X,LowP .

[0270] In some embodiments, the sixth information may include a fourth offset value and an eighth parameter set. In this case, the eighth parameter set can be used to indicate both the parameter set related to the first condition and / or the second condition under the sensing service and the parameter set related to the first condition and / or the second condition under the non-sensing service.

[0271] In some embodiments, the sixth information can be used to rank the signal quality of first-class cells in one or more cells based on a second criterion (such as the R criterion), and the ranking result can be used to determine whether the first-class cells in the one or more cells meet the first condition.

[0272] For example, the terminal device can calculate the signal quality of the first type of cell based on the R criterion and using the information in a1) above. The calculation formula is as follows:

[0273] In the first type of cell, the signal quality of the serving cell: R s =Q meas,s +First Q hyst -First Qoffset temp ;

[0274] In the first type of cell, the signal quality of neighboring cells: R n =Q meas,n -First Qoffset-First Qoffset temp .

[0275] For example, the terminal device can calculate the signal quality of the first type of cell based on the R criterion, using the information in b1) above and the fourth offset value, as shown in the following formula:

[0276] In the first type of cell, the signal quality of the serving cell: R s =Q meas,s +Second Q hyst -Second Qoffset temp-offset(at least one offset in the fourth offset value);

[0277] In the first type of cell, the signal quality of neighboring cells: R n =Q meas,n -Second Qoffset-Second Qoffset temp -offset(at least one offset in the fourth offset value).

[0278] Furthermore, the terminal device can sort the signal quality of each first-class cell and determine whether each first-class cell meets the first condition based on the sorting result.

[0279] As an example, the first condition may include one or more of the following conditions from c1) to c3):

[0280] c1) The signal quality difference between c1 and the highest-ranked cell (i.e. the cell with the best signal quality) does not exceed rangeToBestCell;

[0281] c2) The signal quality difference between the cell with the highest ranking (i.e., the cell with the best signal quality) and the cell with the best signal quality does not exceed rangeToBestCell, and compared to other cells with signal quality differences not exceeding rangeToBestCell, the cell has the most beams that meet the first threshold value. Here, a beam that meets the first threshold value refers to a beam measurement quantity value greater than or equal to the first threshold value. The first threshold value can be, for example, absThreshSS-BlocksConsolidation.

[0282] c3) is the cell with the highest ranking (i.e., the cell with the best signal quality). Condition c3) can be applied when rangeToBestCell is not configured.

[0283] According to the method of this embodiment, network devices can influence the sorting results by reasonably configuring the relevant parameters in the sixth information, so that terminal devices can camp on a target cell suitable for sensing services.

[0284] In some embodiments, the sixth information may be used to indicate a threshold value related to signal quality (such as RSRP and / or RSRQ), which may be used to determine whether a second type of cell in one or more cells meets the second condition.

[0285] As an example, the threshold value may include one or more of the following (or related to one or more of the following): First Thresh X,HighP First Thresh X,HighQIn this case, for cells on high-priority frequency points within the second type of cells, the second condition may include:

[0286] In time intervals (e.g., Treselection) RAT Within a given frequency band, one or more of the following conditions must be met: the Squal of the cell on that high-priority frequency band is greater than the first Thresh value. X,HighQ (Applicable when threshServingLowQ is broadcast in SIB2); the Srxlev of the cell on this high-priority frequency point is greater than the first Thresh. X,HighP (Applicable when threshServingLowQ is not broadcast); The terminal device remains in the serving cell for more than 1 second.

[0287] Another example is that the threshold value may include one or more of the following (or related to one or more of the following): second Thresh X,HighP Second Thresh X,HighQ At least one offset from the fourth offset value. In this case, for cells on high-priority frequency points in the second type of cells, the second condition may include:

[0288] In time intervals (e.g., Treselection) RAT Within a given frequency band, the following condition must be met: the Squal of the cell on that high-priority frequency band is greater than the second Thresh value. X,HighQ +offset (at least one offset in the fourth offset value) (applicable to cases where threshServingLowQ is broadcast in SIB2); the Srxlev of the cell on this high-priority frequency point > the second Thresh X,HighP +offset(at least one of the fourth offset values) (applies to cases where threshServingLowQ is not broadcast); the terminal device resides in the serving cell for more than 1 second.

[0289] As another example, the threshold value may include one or more of the following (or related to one or more of the following): First ThreshServing, LowQ, First Thresh X,LowQ First Thresh Serving, LowP, First Thresh X,LowP In this case, for cells on low-priority frequency points within the second type of cells, the second condition may include:

[0290] In time intervals (e.g., Treselection) RAT Within a given frequency band, the following conditions must be met: the serving cell's Squal < the first ThreshServing, LowQ, and the cell's Squal on that low-priority frequency band > the first ThreshServing.X,LowQ (Applicable to the case of threshServingLowQ broadcast); the serving cell's Srxlev < firstThreshServing,LowP, and the cell's Srxlev on this low-priority frequency point > firstThresh. X,LowP (Applicable when threshServingLowQ is not broadcast); The terminal device remains in the serving cell for more than 1 second.

[0291] As another example, the threshold value may include one or more of the following (or related to one or more of the following): Second ThreshServing, LowQ, Second Thresh X,LowQ Second Thresh Serving, LowP, Second Thresh X,LowP At least one offset from the fourth offset value. In this case, for cells on low-priority frequency points in the second type of cells, the second condition may include:

[0292] In time intervals (e.g., Treselection) RAT Within a given frequency range, the following conditions must be met: the serving cell's Squal < the second ThreshServing,LowQ + offset (at least one offset from the fourth offset value), and the cell's Squal on that low-priority frequency point > the second ThreshServing. X,LowQ +offset (at least one offset in the fourth offset value) (applicable to the case of threshServingLowQ broadcast); the serving cell's Srxlev < the second ThreshServing,LowP + offset (at least one offset in the fourth offset value), and the cell's Srxlev on this low-priority frequency point > the second Thresh. X,LowP +offset(at least one of the fourth offset values) (applies to cases where threshServingLowQ is not broadcast); the terminal device resides in the serving cell for more than 1 second.

[0293] According to the method of this embodiment, the network device can configure the relevant parameters in the sixth information in a reasonable way, so that the terminal device performing the sensing service can camp on the appropriate target cell more quickly.

[0294] In some embodiments, the first information is configured for one or more cells, or for the frequency points corresponding to one or more cells (i.e., the frequency points where one or more cells are located). The one or more cells may include, for example, one or more of the following: a first candidate cell (such as a candidate cell selected for a cell); the serving cell of the terminal device (or the current serving cell); and one or more neighboring cells.

[0295] In some embodiments, the terminal device is in an idle state (RRC_IDLE state) or an inactive state (RRC_INACTIVE state) when it receives the first information. For example, if the first information includes one or more of the information in 11) to 15) above, the terminal device may receive the first information in an idle state or an inactive state. Further, under a sensing service (or in other words, when the terminal device is performing a sensing service), the terminal device may perform cell selection or cell reselection based on the first information to determine the cell to camp on.

[0296] In some embodiments, the first information may be carried via system messages or RRC signaling. The RRC signaling may be RRC-specific signaling, such as an RRC Release message.

[0297] In some embodiments, under sensing services (or when a terminal device performs sensing services), if a first candidate cell meets a third condition, then the first candidate cell is allowed as the cell where the terminal device camps. This scheme can be applied, for example, to a cell selection scenario, where the cell where the terminal device camps is determined through a cell selection process.

[0298] For example, the third condition may include the following 21) and / or 22):

[0299] 21) The first criterion is met.

[0300] For example, whether the first candidate cell meets the first criterion can be determined based on third information, or based on a second set of parameters. For instance, if the first information does not contain the third information, or if the network device does not configure the third information, the terminal device can determine whether the first candidate cell meets the first criterion based on the second set of parameters.

[0301] 22) The corresponding network equipment can support sensing services, or can support the sensing services being executed by the terminal equipment.

[0302] For example, whether the network device corresponding to the first candidate cell can support sensing services, or whether it can support the sensing services being executed by the terminal device, can be determined based on the second information.

[0303] According to the method of this embodiment, if the first candidate cell meets the third condition, then the first candidate cell is allowed as the cell where the terminal device camps. In other words, if the first candidate cell meets the third condition, then the first candidate cell can be determined as the cell where the terminal device camps. Thus, under sensing services (or when the terminal device is performing sensing services), it is beneficial for the terminal device to camp on a cell with better channel quality / signal quality and suitable for performing sensing services, thereby avoiding unnecessary subsequent cell handovers.

[0304] In some embodiments, under sensing services (or when a terminal device performs sensing services), if there is a first cell among the first type of cells that meets the first condition and / or the fourth condition, then the first cell is allowed to be the cell where the terminal device camps. This scheme can be applied, for example, to a cell reselection scenario, that is, the cell where the terminal device camps is determined through a cell reselection process.

[0305] In some embodiments, under sensing services (or when a terminal device performs sensing services), if there is a second cell among the second type of cells that meets the second condition and / or the fourth condition, then the second cell is allowed to be the cell where the terminal device camps. This scheme can be applied, for example, to cell reselection scenarios, that is, the cell where the terminal device camps is determined through the cell reselection process.

[0306] In some embodiments, if there are multiple cells that allow a terminal device to camp, the terminal device can determine the cell to camp on from among the multiple cells based on its own implementation or certain rules.

[0307] For example, the fourth condition may include: the corresponding network device is capable of supporting sensing services, or is capable of supporting sensing services being performed by the terminal device.

[0308] Whether the network equipment corresponding to the first type of cell and / or the second type of cell can support sensing services, or whether it can support the sensing services being executed by the terminal device, can be determined based on the second information.

[0309] According to the method of this embodiment, it is beneficial for the terminal device to camp on a cell with better channel quality / signal quality and suitable for performing sensing services, so as to avoid unnecessary subsequent cell handover.

[0310] In some embodiments, under the sensing service (or in other words, when the terminal device performs the sensing service), the method may further include: the terminal device determining, based on sixth information, cells from the first type of cells that meet the first condition. For example, the terminal device may determine, based on the sixth information, whether each cell in the first type of cells meets the first condition, and then determine at least one cell from the first type of cells that meets the first condition.

[0311] In some embodiments, under the sensing service (or in other words, when the terminal device performs the sensing service), the method may further include: the terminal device determining, based on the sixth information, cells from the second type of cells that satisfy the second condition. For example, the terminal device may determine, based on the sixth information, whether each cell in the second type of cells satisfies the second condition, and then determine at least one cell from the second type of cells that satisfies the second condition.

[0312] In some embodiments, under the sensing service (or in other words, when the terminal device performs the sensing service), the method may further include: the terminal device determining, based on an eighth parameter set, cells from a first type of cells that satisfy a first condition. For example, the terminal device may determine, based on the eighth parameter set, whether each cell in the first type of cells satisfies the first condition, and thus determine at least one cell from the first type of cells that satisfies the first condition.

[0313] In some embodiments, under the sensing service (or in other words, when the terminal device performs the sensing service), the method may further include: the terminal device determining, based on an eighth parameter set, cells from the second type of cells that satisfy the second condition. For example, the terminal device may determine, based on the eighth parameter set, whether each cell in the second type of cells satisfies the second condition, and thus determine at least one cell from the second type of cells that satisfies the second condition.

[0314] In some embodiments, the method may further include: the terminal device selecting a cell that meets a fourth condition from the cells that meet the first condition as the cell where the terminal device camps, based on second information; or, selecting a cell that meets the fourth condition from the cells that meet the second condition as the cell where the terminal device camps.

[0315] In other words, the terminal device can first select at least one cell that meets the first condition (first type of cell) and / or at least one cell that meets the second condition (second type of cell) based on the sixth information or the eighth parameter set. Then, based on the second information, it can determine whether these selected cells meet the fourth condition. Then, from the at least one cell that meets the first condition, it can select a cell that meets the fourth condition as the cell where the terminal device camps, or from the at least one cell that meets the second condition, it can select a cell that meets the fourth condition as the cell where the terminal device camps.

[0316] It is understandable that since cells that meet the first and / or second conditions are generally cells with good channel quality / signal quality, selecting cells that meet the first and / or second conditions first, and then selecting a cell that meets the fourth condition from among them as the cell where the terminal device camps, is beneficial to ensure that the terminal device can camp on a cell with good channel quality / signal quality.

[0317] In some embodiments, under the sensing service (or in the case where the terminal device performs the sensing service), the method may further include: the terminal device determining, based on the second information, a cell satisfying the fourth condition from a first type of cell, and / or determining, a cell satisfying the fourth condition from a second type of cell.

[0318] Furthermore, based on the sixth information, the terminal device may select, from the cells that meet the fourth condition, either a first-type cell that meets the first condition or a second-type cell that meets the second condition as the cell where the terminal device camps. Alternatively, the terminal device may, based on the eighth parameter set, select, from the cells that meet the fourth condition, either a first-type cell that meets the first condition or a second-type cell that meets the second condition as the cell where the terminal device camps.

[0319] In other words, the terminal device can first select at least one cell that meets the fourth condition from the first type of cells and / or the second type of cells based on the second information, and then determine whether each of the first type of cells in the at least one cell that meets the fourth condition meets the first condition, and / or determine whether each of the second type of cells in the at least one cell that meets the fourth condition meets the second condition, and then select a first type of cell that meets the first condition or a second type of cell that meets the second condition from the at least one cell that meets the fourth condition as the cell where the terminal device camps.

[0320] It is understandable that, since cells that meet the fourth condition can better support the sensing services performed by the terminal device, selecting cells that meet the fourth condition first, and then selecting one cell that meets the first or second condition as the cell where the terminal device camps, helps to ensure that the terminal device can camp in a cell that is more suitable for performing sensing services.

[0321] In some embodiments, the first information can be used to indicate one or more cells that support the sensing service. That is, the network device can indicate one or more cells that support the sensing service to the terminal device so that the terminal device can determine the cell to camp on when performing the sensing service.

[0322] In some embodiments, the one or more cells can be indicated by cell identifiers (such as Physical Cell Identity (PCI)). For example, the identifiers (such as PCIs) corresponding to the one or more cells supporting sensing services can form a cell identifier list (such as a PCI list). The network device can then send this cell identifier list (such as a PCI list) to the terminal device along with the first information. In this way, the terminal device can determine which cells support sensing services based on the cell identifier list (such as the PCI list).

[0323] In some embodiments, the sensing service supported by the one or more cells is a sensing service performed by the terminal device (or, in other words, a sensing service that the terminal device is currently performing). That is, the network device can indicate to the terminal device one or more cells that support the sensing service performed by the terminal device, so that the terminal device can determine which cell it wants to camp on. This helps to avoid situations where the cell on which the terminal device camps does not support the sensing service performed by the terminal device.

[0324] In some embodiments, the terminal device is in a connected state (RRC_CONNECTED state) when it receives the first information. For example, if the first information is used to indicate one or more cells supporting sensing services, the terminal device may receive the first information in the connected state. Further, under sensing services (or when the terminal device is performing sensing services), the terminal device may perform cell selection or cell reselection based on the first information to determine the cell to camp on. The process of cell selection / cell reselection (i.e., determining the cell to camp on) may, for example, be performed when the terminal device is in an idle state (RRC_IDLE state) or an inactive state (RRC_INACTIVE state).

[0325] In some embodiments, the network device (the network device that sends the first information) is a Sensing Function (SF) network element or a base station (such as a gNB).

[0326] In some embodiments, the first information may be carried via RRC signaling. This RRC signaling may be RRC-specific signaling, such as an RRC Release message.

[0327] In some embodiments, the first information can be carried via sensing signaling associated with a sensing service performed by the terminal device. That is, the network device can send the first information in sensing signaling associated with the sensing service performed by the terminal device, thereby implicitly indicating that one or more cells indicated by the first information can support the sensing service performed by the terminal device. As an example, this sensing signaling may be a Provide Sensing Assistance Data message or a Sensing Information Request message.

[0328] As one implementation method, when the network device (the network device sending the first information) is an SF network element, the first information can be carried through sensing signaling; when the network device (the network device sending the first information) is a base station, the first information can be carried through RRC signaling.

[0329] In some embodiments, under the sensing service (or when the terminal device performs the sensing service), if there is a cell in the one or more cells that meets the first criterion (such as the S criterion), then the cell that meets the first criterion is allowed to be the cell where the terminal device camps.

[0330] For example, after receiving first information from the network device, the terminal device can determine whether one or more cells indicated by the first information meet a first criterion. If the first criterion is met, then the terminal device is allowed to camp on a cell. This allows the terminal device to camp on a cell that can support sensing services and has good channel / signal quality. This scheme can be applied, for example, to cell selection scenarios, where the cell on which the terminal device camps is determined through a cell selection process.

[0331] The specific implementation method for determining whether a cell meets the first criterion can be found in the relevant description in the aforementioned embodiments, and will not be repeated here.

[0332] In some embodiments, under the sensing service (or in the case where the terminal device performs the sensing service), the method may further include: the terminal device selecting a cell from the one or more cells that meets a first criterion as the cell where the terminal device camps.

[0333] It can be understood that since the cell where the terminal device camps is selected from one or more cells that support sensing services as indicated by the first information, the terminal device can avoid camping on a cell that does not support sensing services (or does not support the sensing services that the terminal device is currently performing).

[0334] In some embodiments, if there is no cell among the one or more cells that meets the first criterion, the terminal device may further evaluate whether other candidate cells meet the first criterion, and then select a candidate cell that meets the first criterion as the cell where the terminal device camps.

[0335] In some embodiments, under the sensing service (or when the terminal device performs the sensing service), if there is a first type of cell in one or more cells, and there is a cell in the first type of cell that meets the first condition, then the cell that meets the first condition is allowed to be the cell where the terminal device camps.

[0336] For example, after receiving first information from the network device, the terminal device can determine whether each of the first-type cells in one or more cells indicated by the first information meets a first condition. If the first condition is met, it is allowed to be used as a cell for the terminal device to camp on. In this way, the terminal device can camp on a cell that can support sensing services and has good channel quality / signal quality. This scheme can be applied, for example, to cell reselection scenarios, that is, the cell for which the terminal device camps is determined through the cell reselection process.

[0337] In some embodiments, under the sensing service (or in the case where the terminal device performs the sensing service), the method may further include: the terminal device sorting the signal quality of the first type of cells based on a second criterion, and determining whether the first type of cells meet the first condition based on the sorting result.

[0338] The specific details of determining whether the first type of cell meets the first condition can be found in the relevant descriptions in the foregoing embodiments, and will not be repeated here.

[0339] In some embodiments, under the sensing service (or when the terminal device performs the sensing service), if there is a second type of cell in one or more cells, and there is a cell in the second type of cell that meets the second condition, then the cell that meets the second condition is allowed to be the cell where the terminal device camps.

[0340] For example, after receiving the first information from the network device, the terminal device can determine whether each of the second-type cells among the one or more cells indicated by the first information meets the second condition. If the second condition is met, it is allowed to be used as a cell for the terminal device to camp on. In this way, the terminal device can camp on a cell that can support sensing services and has good channel quality / signal quality. This scheme can be applied, for example, to cell reselection scenarios, that is, the cell for which the terminal device camps is determined through the cell reselection process.

[0341] In some embodiments, if there are multiple cells that allow a terminal device to camp, the terminal device can determine the cell to camp on from among the multiple cells based on its own implementation or certain rules.

[0342] In some embodiments, under a sensing service (or when a terminal device performs a sensing service), the method may further include: the terminal device determining whether a second type of cell meets a second condition based on a threshold value related to signal quality (such as RSRP and / or RSRQ).

[0343] The specific details of determining whether the second type of cell meets the second condition can be found in the relevant descriptions in the foregoing embodiments, and will not be repeated here.

[0344] In some embodiments, there are first-type cells and / or second-type cells in the one or more cells (i.e., one or more cells indicated by the first information); under the sensing service (or in other words, when the terminal device performs the sensing service), the method may further include: the terminal device selecting a cell from the first-type cells that meets a first condition as the cell where the terminal device camps; or, selecting a cell from the second-type cells that meets a second condition as the cell where the terminal device camps.

[0345] It can be understood that since the cell where the terminal device camps is selected from one or more cells that support sensing services as indicated by the first information, the terminal device can avoid camping on a cell that does not support sensing services (or does not support the sensing services that the terminal device is currently performing).

[0346] In some embodiments, if there are no cells in the first type of cells among the one or more cells that meet the first condition, and / or if there are no cells in the second type of cells among the one or more cells that meet the second condition, the terminal device may further search for first type cells that meet the first condition and / or second type cells that meet the second condition within the entire candidate cell range to determine the cell where the terminal device camps.

[0347] In some embodiments, under the sensing service (or, in the case where the terminal device performs the sensing service), the method may further include: determining one or more cells that meet a first condition from a first type of candidate cells, and / or determining one or more cells that meet a second condition from a second type of candidate cells; determining the cell where the terminal device camps from the one or more cells that meet the first condition and / or the one or more cells that meet the second condition, wherein the cell where the terminal device camps is included in the one or more cells (i.e., the one or more cells indicated by the first information).

[0348] In other words, the terminal device can first select one or more Class I cells that meet the first condition and / or one or more Class II cells that meet the second condition from the candidate cells, and then determine the cell where the terminal device will camp from the one or more cells that meet the first condition and / or the one or more cells that meet the second condition. This helps to ensure that the terminal device can camp on a cell with better channel quality / signal quality.

[0349] In some embodiments, if none of the one or more cells that meet the first condition and / or the one or more cells that meet the second condition are included in the one or more cells indicated by the first information, the terminal device may determine a cell as the cell where the terminal device camps from the one or more cells that meet the first condition and / or the one or more cells that meet the second condition.

[0350] The communication method provided in the embodiments of this application has been described above. To facilitate understanding of the embodiments of this application, the following describes possible implementation schemes of the communication method applicable to the embodiments of this application.

[0351] Option 1

[0352] In Scheme 1, an idle or inactive UE can receive a system message of the current cell broadcast by the gNB. This system message may carry auxiliary information related to the current cell (or serving cell) and / or at least one neighboring cell for sensing services (an example of the aforementioned first information). Thus, when performing cell selection or cell reselection, the UE can select a suitable cell to camp on based on this auxiliary information.

[0353] It should be noted that in some scenarios, the current cell in the embodiments of this application refers to the cell currently being measured by the terminal device during the cell selection process (such as the aforementioned first candidate cell).

[0354] For example, Scheme 1 may include the following steps 1A and 1B.

[0355] Step 1A: The UE receives a system message broadcast by the gNB for the current cell (or serving cell). This system message carries auxiliary information related to the current cell (or serving cell) and / or at least one neighboring cell for sensing services. This auxiliary information is used by the UE to perform cell selection or cell reselection.

[0356] In some embodiments, the auxiliary information may include: indication information on whether the current cell (or serving cell) and / or at least one neighboring cell supports sensing services (corresponding to the aforementioned second information).

[0357] As one possible implementation, for each of the current cell (or serving cell) and / or at least one neighboring cell, the auxiliary information may carry 1 bit of indication information to indicate whether the cell supports or does not support the sensing service. In this way, a UE with an ongoing sensing service can know whether the current cell (or serving cell) and / or at least one neighboring cell support the sensing service. This ensures that the cell where the UE camps is a cell that supports the sensing service, thus avoiding the need for the UE to switch to a cell that does not support the sensing service after camping in a cell, thereby avoiding unnecessary handover overhead.

[0358] In some embodiments, the auxiliary information may include: cell selection parameters for sensing services (denoted as the first cell selection parameters), namely the S criterion parameters (corresponding to the aforementioned third information).

[0359] For ease of description, the existing cell selection parameters are referred to as the second cell selection parameters (corresponding to the aforementioned second parameter set). For example, the second cell selection parameters may include at least one of the following: a second Qoffset. temp Second Q rxlevmin Second Q qualmin Second Q rxlevminoffset Second Q qualminoffset Second P compensation .

[0360] As one possible implementation, at least one parameter in the first cell selection parameters has the same type as at least one parameter in the second cell selection parameters. For example, the first cell selection parameters may include at least one of the following: a first Qoffset. temp First Q rxlevmin First Q qualmin First Q rxlevminoffset First Q qualminoffset First P compensation .

[0361] Furthermore, when the UE has a service awareness function, the first cell selection parameters can be used; when the UE does not have a service awareness function, the existing second cell selection parameters can be used. For example, when the UE has a service awareness function, the first cell selection parameters can be used to calculate Srxlev and Squal; when the UE does not have a service awareness function, the second cell selection parameters can be used to calculate Srxlev and Squal. Then, the UE can determine whether the current cell meets the S criterion based on the calculated Srxlev and Squal.

[0362] As another possible implementation, the first cell selection parameters may include offset parameters for RSRP and / or RSRQ newly introduced for sensing services (corresponding to the aforementioned first offset value), for example, denoted as Qoffset. Sensing (The values ​​of the parameters may vary in different formulas), and this parameter is only used when the UE has awareness services.

[0363] For example, when the UE has awareness services, it can be based on Qoffset. Sensing Calculate Srxlev and Squal, and determine whether the current cell satisfies the S criterion based on the calculated Srxlev and Squal.

[0364] As an example, Srxlev = Q rxlevmeas +Qoffset Sensing -(Q rxlevmin +Q rxlevminoffset )-P compensation -Qoffset temp Squal = Q qualmeas +Qoffset Sensing -(Q qualmin +Q qualminoffset -Qoffset temp Optionally, Qoffset in the formula temp Q rxlevmin Q qualmin Q rxlevminoffset Q qualminoffset Pcompensation They can be the second Qoffset respectively. temp Second Q rxlevmin Second Q qualmin Second Q rxlevminoffset Second Q qualminoffset Second P compensation .

[0365] It is understandable that the requirements for RSRP / RSRQ of the serving cell may differ from those for communication services. Therefore, providing dedicated cell selection parameters (first cell selection parameters) for sensing services can enable UEs with sensing services to camp on a cell whose channel conditions meet the requirements of sensing services through the S criterion.

[0366] In some embodiments, the auxiliary information may include: frequency priority parameters for sensing services (denoted as the first frequency priority parameter, corresponding to the aforementioned fourth information).

[0367] For ease of description, the existing frequency priority parameters are referred to as the second frequency priority parameters (corresponding to the fourth parameter set in the aforementioned fourth information). For example, the second frequency priority parameters may include: second CellReselectionPriority, and / or, second CellReselectionSubPriority.

[0368] As one possible implementation, at least one parameter in the first frequency priority parameter has the same type as at least one parameter in the second frequency priority parameter. For example, the first frequency priority parameter may include: first CellReselectionPriority, and / or, first CellReselectionSubPriority.

[0369] Furthermore, when the UE has a sensed service, the frequency priority can be determined using the first frequency priority parameter; when the UE does not have a sensed service, the existing second frequency priority parameter can be used to determine the frequency priority.

[0370] As another possible implementation, the first frequency priority parameter may include an offset (at least one offset) for the sensing service. This offset can be configured for at least one frequency point; for example, it can be configured for the frequency point where the serving cell and / or at least one neighboring cell are located (corresponding to the aforementioned second offset value). In some embodiments, one or more common offsets can be configured for multiple frequency points.

[0371] For example, the granularity of the offset can be priority granularity and / or subpriority granularity, or the offset can include the offset of priority granularity and / or the offset of subpriority granularity.

[0372] Furthermore, when the UE has an ongoing sensing service, the frequency priority of the serving cell and / or at least one neighboring cell is Priority (e.g., first CellReselectionPriority) + SubPriority (e.g., first CellReselectionSubPriority) + offset (at least one offset); when the UE does not have an ongoing sensing service, the frequency priority of the serving cell and / or at least one neighboring cell is Priority (e.g., second CellReselectionPriority) + SubPriority (e.g., second CellReselectionSubPriority).

[0373] In some embodiments, the frequency priority parameters corresponding to different cells may be different, or they may be the same or partially the same.

[0374] It is understandable that the frequency reselection priority of a cell for communication purposes may be different from that of a cell for sensing purposes. Therefore, when a UE has sensing services, it is beneficial to reselect a cell on a frequency that is more suitable for sensing by using the first frequency priority parameter to determine the frequency priority.

[0375] In some embodiments, the auxiliary information may include: cell reselection measurement initiation parameters for sensing services (denoted as the first reselection measurement initiation parameters, corresponding to the aforementioned fifth information).

[0376] For ease of description, the existing cell reselection measurement initiation parameters are referred to as the second reselection measurement initiation parameters (corresponding to the aforementioned sixth parameter set). For example, the second reselection measurement initiation parameters may include at least one of the following: Second S IntraSearchP Second S IntraSearchQ Second S nonIntraSearchP Second S nonIntraSearchQ .

[0377] As one possible implementation, at least one parameter in the first reselection measurement initiation parameters has the same type as at least one parameter in the second reselection measurement initiation parameters. For example, the first reselection measurement initiation parameter may include at least one of the following: a first S IntraSearchP First S IntraSearchQ First S nonIntraSearchP First S nonIntraSearchQ .

[0378] As another possible implementation, the first reselection measurement initiation parameters may include at least one offset (corresponding to the aforementioned third offset value) specifically introduced for the sensing service for different neighboring cell measurement initiation conditions.

[0379] Furthermore, when the UE has a sensed service, the first reselection measurement initiation parameter can be used to determine whether to initiate neighbor cell measurement; when the UE does not have a sensed service, the existing second reselection measurement initiation parameter can be used to determine whether to initiate neighbor cell measurement.

[0380] According to the method of this embodiment, when a UE is engaged in a sensing service, it can determine whether to start neighbor cell measurement by using the first reselection measurement initiation parameter, which enables the UE engaged in the sensing service to start reselection measurement more quickly.

[0381] In some embodiments, the auxiliary information may include: cell reselection parameters for sensing services (denoted as the first cell reselection parameters, corresponding to the aforementioned sixth information).

[0382] For ease of description, the existing cell reselection parameters are referred to as the second cell reselection parameters (corresponding to the aforementioned eighth parameter set).

[0383] For example, for high-priority frequency points, the second cell reselection parameters may include: second Thresh X,HighP and / or the second Thresh X,HighQ For frequencies with the same frequency or equal priority, the second cell reselection parameters may include at least one of the following: second Qoffset (second Qoffset s,n and / or the second Qoffset frequency ), second Qoffset temp Second Q hyst (i.e., R criterion parameters); for low-priority frequency points, the second cell reselection parameters may include at least one of the following: second ThreshServing, LowQ, second Thresh X,LowQ Second Thresh Serving, LowP, Second Thresh X,LowP .

[0384] As one possible implementation, at least one parameter in the first cell reselection parameters has the same type as at least one parameter in the second cell reselection parameters.

[0385] For example, for high-priority frequency points, the first cell reselection parameters may include: the first Thresh X,HighP and / or first Thresh X,HighQFor frequencies with the same frequency or equal priority, the first cell reselection parameter may include at least one of the following: first Qoffset (first Qoffset s,n and / or the first Qoffset frequency ), First Qoffset temp First Q hyst (i.e., R criterion parameters); for low-priority frequency points, the first cell reselection parameters may include at least one of the following: first ThreshServing, LowQ, first Thresh X,LowQ First Thresh Serving, LowP, First Thresh X,LowP .

[0386] As another possible implementation, the first cell reselection parameters may include at least one offset for the sensing service (corresponding to the aforementioned fourth offset value).

[0387] Furthermore, when the UE has a sensed service, the first cell reselection parameters can be used; when the UE does not have a sensed service, the existing second cell reselection parameters can be used.

[0388] According to the method of this embodiment, for high-priority or low-priority frequency points, by using the first cell reselection parameter, the UE performing the sensing service can be reselected to a cell more quickly. On the other hand, for frequency points of the same frequency or equal priority, they need to be sorted according to the R criterion. Therefore, the network can influence the sorting result by reasonably configuring the R criterion parameter so that the UE can reselect to a cell suitable for the sensing service.

[0389] In some embodiments, the auxiliary information may include: specific sensing service information supported by the gNB corresponding to the current cell (or serving cell) and / or the gNB corresponding to at least one neighboring cell (corresponding to the aforementioned second information).

[0390] As one possible implementation, for at least one type of sensing service, a corresponding sensing service type ID can be predefined. Thus, different sensing scenarios and use cases can be distinguished based on the predefined sensing service type ID, such as drone monitoring, intrusion detection, weather monitoring, gesture / pose recognition, etc.

[0391] According to the method of this embodiment, different sensing scenarios and use cases can be distinguished by different sensing service types. In this way, a UE performing a specific sensing service can know whether the current cell and / or at least one neighboring cell support the specific sensing service, and can choose to camp on a cell that supports the specific sensing service to avoid unnecessary handover.

[0392] In some embodiments, the auxiliary information may include: the sensing capability information of the gNB corresponding to the current cell (or serving cell) and / or the gNB corresponding to at least one neighboring cell (corresponding to the aforementioned second information).

[0393] For example, the sensing capabilities of a gNB may include one or more of the following: the sensing modes supported by the gNB, the ability of the gNB to act as a sensing transmitting node, the ability of the gNB to act as a sensing receiving node, and the sensing accuracy of the gNB.

[0394] Among them, the sensing modes supported by gNB may include one or more of the following: gNB self-sensing, gNB-gNB sensing, UE-gNB sensing, gNB-UE sensing, UE self-sensing, and UE-UE sensing.

[0395] The gNB's capabilities as a sensing transmitting node may include: the ability of the gNB to configure downlink sensing reference signals (e.g., within the range of downlink air interface resources available to the gNB), and / or the ability of the gNB to transmit downlink sensing reference signals (e.g., via downlink air interface resources available to the gNB).

[0396] The gNB's capabilities as a sensing receiver node may include: the ability of the gNB to configure uplink sensing reference signals (e.g., within the range of uplink air interface resources available to the gNB), and / or the ability of the gNB to receive measurement uplink sensing reference signals.

[0397] The sensing accuracy of a gNB may include one or more of the following: sensing distance, distance resolution, sensing speed, speed resolution, sensing angle, angle resolution, sensing latency, etc.

[0398] According to the method of this embodiment, the UE can select a suitable cell to camp on from the perspective of the sensing mode and sensing role supported by the gNB.

[0399] In some embodiments, the auxiliary information may be sent by the gNB via system message broadcast or via RRC-specific signaling (such as an RRC Release message).

[0400] In some embodiments, the auxiliary information is cell-specific, or per-cell-specific. For example, it may be indicated for the current cell (or serving cell) and / or at least one neighboring cell.

[0401] In some embodiments, the auxiliary information is frequency-specific, or per-freq-specific. For example, it may be specified for the frequency of the current cell (or serving cell) and / or the frequency of at least one neighboring cell.

[0402] Step 1B: Based on the auxiliary information, the UE performs cell selection or cell reselection to select a suitable cell for camping.

[0403] First, we will introduce the scheme by which the UE performs cell selection based on this auxiliary information.

[0404] In some embodiments, the auxiliary information includes indication information as to whether the current cell supports sensing services. In this case, the UE can perform cell selection based on the indication information as to whether the current cell supports sensing services.

[0405] As one possible implementation, if the UE is currently engaged in a sensing service, the UE can determine whether the current cell supports the sensing service based on this auxiliary information. Furthermore, if the current cell meets the S criterion and supports the sensing service, the UE can determine that the current cell is a camping cell. Otherwise, the UE can determine that the current cell is a non-camping cell, i.e., abandon camping on the current cell.

[0406] According to the method of this embodiment, for a UE with an ongoing sensing service, it can be determined whether the current cell supports the sensing service. If the sensing service is supported, the UE can camp on the current cell. In this way, it can be ensured that the cell on which the UE camps is a cell that supports the sensing service, thereby avoiding the need for the UE to switch to a cell that supports the sensing service after camping on a cell that does not support the sensing service, thus avoiding unnecessary handover overhead.

[0407] It should be understood that the above implementation method is an optional solution. For example, in some scenarios, the behavior of cell selection can be unregulated. The UE can decide which cell to camp on based on the auxiliary information provided by the network and its own implementation.

[0408] In some embodiments, the auxiliary information includes first cell selection parameters (cell selection parameters for sensed services). In this case, the UE can perform cell selection based on the first cell selection parameters.

[0409] As one possible implementation, at least one parameter in the first cell selection parameters has the same type as at least one parameter in the second cell selection parameters (existing cell selection parameters). In this case, if the UE has an ongoing sensing service, the UE can use the first cell selection parameters when performing the S-criterion evaluation for cell selection. Otherwise (i.e., if the UE does not have an ongoing sensing service), the UE can use the existing second cell selection parameters when performing the S-criterion evaluation for cell selection.

[0410] According to the method of this embodiment, since the type of at least one parameter in the first cell selection parameter (cell selection parameter for sensing service) is the same as the type of at least one parameter in the second cell selection parameter (existing cell selection parameter), the S criterion formula does not need to be modified.

[0411] As another possible implementation, the first cell selection parameters include the offset parameters (denoted as Qoffset) for RSRP and / or RSRQ newly introduced for sensing services. Sensin In this case, if the UE has ongoing sensing services, it can be based on Qoffset. Sensing Calculate Srxlev and Squal, and determine whether the current cell satisfies the S criterion based on the calculated Srxlev and Squal.

[0412] As an example, Srxlev = Q rxlevmeas +Qoffset Sensing -(Q rxlevmin +Q rxlevminoffset )-P compensation -Qoffset temp Squal = Q qualmeas +Qoffset Sensing -(Q qualmin +Q qualminoffset -Qoffset temp Optionally, Qoffset in the formula temp Q rxlevmin Q qualmin Q rxlevminoffset Q qualminoffset P compensation They can be the second Qoffset respectively. temp Second Q rxlevmin Second Q qualmin Second Q rxlevminoffset Second Q qualminoffset Second P compensation .

[0413] Otherwise (i.e., if the UE does not have any ongoing sensing services), the UE can use the existing second cell selection parameters to calculate Srxlev and Squal.

[0414] According to the method in this embodiment, Qoffset is introduced for sensing services. Sensin This is used to calculate Srxlev and Squal. This method requires modification of the S criterion formula; a new S criterion formula can be applied when the UE has ongoing sensing services.

[0415] In some embodiments, the auxiliary information includes: specific sensing service information supported by the gNB corresponding to the current cell, and / or, sensing capability information of the gNB corresponding to the current cell. In this case, the UE can perform cell selection in the following manner:

[0416] If the UE is currently engaged in a sensing service, the UE can determine the type of sensing service and / or sensing capability supported by the current cell based on this auxiliary information. Furthermore, if the current cell meets the S criterion, and the type of sensing service and / or sensing capability supported by the current cell can support the sensing service being engaged by the UE, then the UE can determine that the current cell is a camped cell. Otherwise, the UE can determine that the current cell is a non-camped cell, i.e., abandon camping on the current cell.

[0417] This method further distinguishes different sensing service types and / or different sensing capabilities, thereby helping the UE select a more suitable cell to camp on.

[0418] It should be understood that this method is an optional solution. For example, in some scenarios, the behavior of cell selection can be unregulated, and the UE can decide which cell to camp on based on the auxiliary information provided by the network and its own implementation.

[0419] The following describes the scheme for the UE to perform cell reselection based on this auxiliary information.

[0420] In some embodiments, the auxiliary information includes a first frequency priority parameter, which is the frequency priority parameter of the candidate cell (including the serving cell and / or at least one neighboring cell) for the sensed service. In this case, the UE can perform cell reselection based on the first frequency priority parameter.

[0421] As one possible implementation, at least one parameter in the first frequency priority parameter has the same type as at least one parameter in the second frequency priority parameter (an existing frequency priority parameter). For example, the first frequency priority parameter may include: a first CellReselectionPriority, and / or a first CellReselectionSubPriority. In this case, if the UE has an ongoing sensing service, the first frequency priority parameter can be used to determine the frequency priority of the serving cell and / or at least one neighboring cell. Otherwise (i.e., if the UE does not have an ongoing sensing service), the UE can use the existing second frequency priority parameter to determine the frequency priority of the serving cell and / or at least one neighboring cell.

[0422] According to the method of this embodiment, two sets of frequency point priority parameters (i.e., first frequency point priority parameters and second frequency point priority parameters) can be configured for each frequency point that supports sensing. Thus, the UE can flexibly select one set of frequency point priority parameters based on whether it has a sensing service in progress.

[0423] As another possible implementation, the first frequency priority parameter includes an offset (at least one offset) for the sensed service. In this case, when the UE has an ongoing sensed service, the frequency priority of the serving cell and / or at least one neighboring cell is Priority (e.g., second CellReselectionPriority) + SubPriority (e.g., second CellReselectionSubPriority) + offset (at least one offset). Otherwise (i.e., if the UE does not have an ongoing sensed service), the frequency priority of the serving cell and / or at least one neighboring cell is Priority (e.g., second CellReselectionPriority) + SubPriority (e.g., second CellReselectionSubPriority).

[0424] According to the method of this embodiment, the offset (at least one offset) for the sensing service can be configured without configuring parameters such as the first CellReselectionPriority and / or the first CellReselectionSubPriority, which is beneficial for saving signaling overhead.

[0425] In some embodiments, the auxiliary information includes first cell reselection measurement initiation parameters (cell reselection measurement initiation parameters for sensing services). In this case, if the UE has an ongoing sensing service, cell reselection can be performed according to the first cell reselection measurement initiation parameters.

[0426] As one possible implementation, at least one parameter in the first reselection measurement initiation parameter has the same type as at least one parameter in the second reselection measurement initiation parameter (existing cell reselection measurement initiation parameter). For example, the first reselection measurement initiation parameter includes at least one of the following: a first S IntraSearchP First S IntraSearchQ First S nonIntraSearchP First S nonIntraSearchQ .

[0427] In this case, if the UE has an ongoing sensing service, it can use the first reselection measurement initiation parameter to determine whether to initiate "co-frequency neighbor cell measurement" and / or "inter-frequency or inter-system neighbor cell measurement". Otherwise (i.e., if the UE does not have an ongoing sensing service), the UE can use the existing second reselection measurement initiation parameter to determine whether to initiate "co-frequency neighbor cell measurement" and / or "inter-frequency or inter-system neighbor cell measurement".

[0428] As another possible implementation, the first reselection measurement initiation parameters include at least one offset specific to the sensing service introduced for different neighboring cell measurement initiation conditions.

[0429] In this case, for co-frequency neighboring cells, if the UE has an ongoing sensing service, the following condition can be evaluated: the serving cell's Srxlev > S IntraSearchP (as in the second S) IntraSearchP ) + offset (at least one offset), and the Squal of the serving cell > S IntraSearchQ (as in the second S) IntraSearchQ + offset (at least one offset). If the condition is met, measurement of the co-frequency neighboring cell can be skipped; otherwise, measurement of the co-frequency neighboring cell should be initiated.

[0430] For cells operating on different frequencies or systems, if the UE has ongoing sensing services and the frequency priority and / or RAT priority of that cell is higher than the frequency priority and / or RAT priority of the serving cell, then measurement of that cell should be initiated.

[0431] For inter-frequency or inter-system cells, if the UE has ongoing awareness services, and the frequency priority and / or RAT priority of that cell is lower than (or equal to) the frequency priority and / or RAT priority of the serving cell, then the following condition can be assessed: the serving cell's Srxlev > S nonIntraSearchP (as in the second S) nonIntraSearchP ) + offset (at least one offset), and the Squal of the serving cell > S nonIntraSearchQ (as in the second S) nonIntraSearchQ + offset (at least one offset). If the condition is met, measurement of the cell can be skipped; otherwise, measurement of the cell should be started.

[0432] If the UE does not have any ongoing sensing services, the UE can use existing second reselection measurement initiation parameters (such as the second S). IntraSearchP Second S IntraSearchQ Second S nonIntraSearchP Second S nonIntraSearchQ Decide whether to initiate "same-frequency neighbor cell measurement" and / or "different-frequency or different-system neighbor cell measurement".

[0433] In some embodiments, Srxlev and Squal in the above conditions can be determined based on cell selection parameters (such as first cell selection parameters / second cell selection parameters).

[0434] In some embodiments, the auxiliary information includes indication information as to whether a candidate cell (including the serving cell and / or at least one neighboring cell) supports awareness services. In this case, the UE may perform cell reselection in one or more of the following methods: method A, method B, and method C.

[0435] Method A: For at least one co-frequency cell and / or at least one co-priority inter-frequency cell (referred to as at least one first-class candidate cell), the UE can first sort the at least one first-class candidate cell according to the R criterion, and then classify it according to whether it supports sensing services.

[0436] It should be noted that the UE's serving cell is also included in the at least one first-class candidate cell, or in other words, the UE's serving cell also belongs to the first-class candidate cell.

[0437] For example, if the UE has an ongoing sensing service, the UE can perform the following steps a1 and a2.

[0438] Step a1: Sort the at least one first-class candidate cell according to the R criterion.

[0439] Step a2: Based on the sorting results, determine the cells whose signal quality differs from the best cell from the at least one first-class candidate cells within the range rangeToBestCell. If there is a cell that supports sensing services, select one of the cells that supports sensing services as the cell where the UE camps; otherwise, the UE selects a candidate cell as the cell where the UE camps.

[0440] Optionally, step a2 can also be combined with the condition "the cell with the most beams satisfying the threshold", where the threshold is absThreshSS-BlocksConsolidation, configured by the network. For example, step a2 can be: based on the ranking results, determine the cells within the range rangeToBestCell that differ from the best cell's signal quality from the at least one first-class candidate cells; if any of these cells support sensing services, select the cell with the most beams satisfying the threshold among the cells supporting sensing services as the cell where the UE camps; otherwise, select the cell with the most beams satisfying the threshold as the cell where the UE camps.

[0441] According to the method in this embodiment, sorting by the R criterion (i.e., channel quality) first helps ensure that the target cell reselected by the UE has good channel quality. That is, it avoids the situation where cells are first classified according to whether they support sensing services, but all cells supporting sensing services have poor channel quality.

[0442] Method B: For at least one co-frequency cell and / or at least one co-priority inter-frequency cell (referred to as at least one first-class candidate cell), the UE can first classify the at least one first-class candidate cell according to whether it supports the perception service, and then sort them according to the R criterion.

[0443] For example, if the UE has an ongoing sensing service, the UE can perform the following steps:

[0444] If at least one of the at least first-class candidate cells supports sensing services, then the at least one cell supporting sensing services is sorted according to the R criterion; further, if rangeToBestCell is configured, then according to the sorting result, among the cells whose signal quality differs from the best cell by rangeToBestCell, the cell with the most beams that meet the threshold is selected as the cell where the UE camps; if rangeToBestCell is not configured, then the cell with the highest ranking (i.e., the cell with the best signal quality) is selected as the cell where the UE camps.

[0445] Otherwise (i.e., if there is no cell supporting sensing services among the at least one first-class candidate cells), the UE can sort the at least one first-class candidate cells according to the R criterion; further, if rangeToBestCell is configured, then according to the sorting result, among the cells within the rangeToBestCell of the difference in signal quality with the best cell, the cell with the most beams that meet the threshold is selected as the cell where the UE camps; if rangeToBestCell is not configured, then the cell with the highest ranking (i.e., the cell with the best signal quality) is selected as the cell where the UE camps.

[0446] According to the method in this embodiment, the UE first classifies the cells according to whether they support sensing services, which helps to ensure that the target cell reselected by the UE is a cell that supports sensing services.

[0447] Method C: For at least one cell on a high-priority frequency point (i.e., a cell whose frequency point priority is higher than that of the serving cell) and / or at least one cell on a low-priority frequency point (i.e., a cell whose frequency point priority is lower than that of the serving cell), if the UE has an ongoing sensing service, the following steps c1 and c2 can be performed.

[0448] For ease of description, at least one cell (NR or different system) on a high-priority frequency point and / or at least one cell (NR or different system) on a low-priority frequency point are referred to as at least one second-class candidate cell.

[0449] Step c1: The UE determines whether the at least one second-type candidate cell supports sensing services based on the auxiliary information.

[0450] Step c2: If a candidate cell in at least one of the second-class candidate cells meets the corresponding reselection conditions and supports sensing services, then the candidate cell can be determined as the cell where the UE camps.

[0451] In one example, for a cell (candidate cell) on at least one high-priority frequency band, the reselection condition may include: satisfying within the Treselection RAT time interval: Squal of the candidate cell > Thresh X,HighQ (if threshServingLowQ is broadcast in SIB2); Srxlev of the candidate cell > Thresh X,HighP (if threshServingLowQ is not broadcast); the UE has resided in the serving cell for more than 1 second. That is, if the cell (candidate cell) on the high-priority frequency band satisfies this reselection condition and supports the sensing service, it can be determined that this cell (candidate cell) is the cell where the UE resides. In some embodiments, if there is no cell (candidate cell) that both satisfies this reselection condition and supports the sensing service, the UE can select a cell from the candidate cells that satisfy this reselection condition as the cell where the UE resides.

[0452] In another example, for a cell (candidate cell) on at least one low-priority frequency band, the reselection condition may include: satisfying within the Treselection RAT time interval: Squal of the serving cell < ThreshServing,LowQ, and Squal of the candidate cell > Thresh X,LowQ (if threshServingLowQ is broadcast); Srxlev of the serving cell < ThreshServing,LowP, and Srxlev of the candidate cell > Thresh X,LowP (if threshServingLowQ is not broadcast); the UE has resided in the serving cell for more than 1 second. That is, if the cell (candidate cell) on the low-priority frequency band satisfies this reselection condition and supports the sensing service, it can be determined that this cell (candidate cell) is the cell where the UE resides. In some embodiments, if there is no cell (candidate cell) that both satisfies this reselection condition and supports the sensing service, the UE can select a cell from the candidate cells that satisfy this reselection condition as the cell where the UE resides.

[0453] In some embodiments, the auxiliary information includes: specific sensing service information and / or sensing capability information supported by the gNB corresponding to at least one candidate cell (including the serving cell and / or at least one neighbor cell). In this case, the manner in which the UE performs cell reselection may include one or more of the following manners D, manner E, and manner F.

[0454] Method D: For the first category of candidate cells (at least one co-frequency cell and / or at least one co-priority inter-frequency cell) among the at least one candidate cell, first sort the first category of candidate cells according to criterion R, and then classify them according to whether they support the sensing services being executed by the UE. Whether the first category of candidate cells supports the sensing services being executed by the UE can be determined based on the specific sensing service information and / or sensing capability information supported by the gNB corresponding to the first category of candidate cells.

[0455] It should be understood that the specific implementation of method D is similar to that of method A mentioned above, and will not be repeated here.

[0456] Method E: For the first type of candidate cells (at least one co-frequency cell and / or at least one co-priority inter-frequency cell) among the at least one candidate cells, first classify the first type of candidate cells according to whether they support the perception service being executed by the UE, and then sort them according to the R criterion.

[0457] It should be understood that the specific implementation of method E is similar to that of method B mentioned above, and will not be repeated here.

[0458] Method F: For the second type of candidate cell (at least one cell on a high-priority frequency point and / or at least one cell on a low-priority frequency point) among the at least one candidate cell, the following steps f1 and f2 may be performed.

[0459] Step f1: The UE determines whether each second-class candidate cell supports the sensing service that the UE is currently performing, based on the specific sensing service information and / or sensing capability information supported by the gNB corresponding to each second-class candidate cell.

[0460] Step f2: If a candidate cell in the second category of candidate cells meets the corresponding reselection conditions and supports the awareness service that the UE is currently executing, then the candidate cell can be determined as the cell where the UE is camped.

[0461] In some embodiments, for mode F, if there is no cell (candidate cell) that both meets the reselection conditions and supports the sensing service being performed by the UE, the UE may select a cell from the candidate cells that meet the reselection conditions as the cell where the UE camps.

[0462] It should be understood that the specific implementation of method F is similar to that of method C mentioned above, and will not be repeated here.

[0463] This method further distinguishes different sensing service types and / or different sensing capabilities, thereby helping the UE to reselect to a more suitable cell.

[0464] In some embodiments, the auxiliary information includes first cell reselection parameters (cell reselection parameters for sensing services). In this case, if the UE has an ongoing sensing service, cell reselection can be performed based on the first cell reselection parameters.

[0465] For example, if the UE has an ongoing sensing service, then for candidate cells that provide first cell reselection parameters, the first cell reselection parameters can be applied during the cell reselection evaluation process; for candidate cells that do not provide first cell reselection parameters, the existing second cell reselection parameters can be applied during the cell reselection evaluation process. If the UE does not have an ongoing sensing service, then the existing second cell reselection parameters can be applied during the cell reselection evaluation process.

[0466] According to the method of this embodiment, when the UE has ongoing sensing services, cell reselection evaluation based on RSRP / RSRQ is performed using the first cell reselection parameters. This method requires minimal modification to the existing cell reselection evaluation process and is easy to implement.

[0467] In a first possible implementation, at least one parameter in the first cell reselection parameters has the same type as at least one parameter in the second cell reselection parameters (existing cell reselection parameters). In this case, if the UE has an ongoing sensing service, the UE can perform cell reselection evaluation on first-type candidate cells and / or second-type candidate cells based on the first cell reselection parameters.

[0468] As an example, for a cell (candidate cell) on at least one high-priority frequency point in the second type of candidate cells, the reselection criteria used for cell reselection evaluation may include: in Treselection RAT Within the time interval, the following condition must be met: the candidate cell's Squal > the first Thresh. X,HighQ (If threshServingLowQ is broadcast in SIB2); the candidate cell's Srxlev > the first Thresh X,HighP (If threshServingLowQ is not broadcast); the UE remains in the serving cell for more than 1 second.

[0469] Another example, for a cell (candidate cell) on at least one low-priority frequency point in the second type of candidate cells, the reselection criteria used for cell reselection evaluation may include: in Treselection RAT Within the time interval, the following conditions must be met: the Squal of the serving cell is less than that of the first ThreshServing and LowQ, and the Squal of the candidate cell is greater than that of the first ThreshServing. X,LowQ(If threshServingLowQ is broadcast); the serving cell's Srxlev < firstThreshServing,LowP, and the candidate cell's Srxlev > firstThresh X,LowP (If threshServingLowQ is not broadcast); the UE remains in the serving cell for more than 1 second.

[0470] In some embodiments, Srxlev and Squal in the above reselection conditions can be determined based on cell selection parameters (such as first cell selection parameters / second cell selection parameters).

[0471] Another example: for candidate cells of the first category (at least one cell with the same frequency and / or at least one cell with the same priority but different frequencies), the R criterion can be used to sort them according to the following steps, and then the cell where the UE camps can be determined based on the sorting results:

[0472] 1) For candidate cells that have provided the first cell reselection parameters, calculate R based on the first cell reselection parameters. s and R n The calculation formula is as follows:

[0473] Service area: R s =Q meas,s +First Q hyst -First Qoffset temp ;

[0474] Neighboring cell: R n =Q meas,n -First Qoffset-First Qoffset temp .

[0475] For candidate cells that do not provide first-cell reselection parameters, R is calculated based on the existing second-cell reselection parameters. s and R n The calculation formula is as follows:

[0476] Service area: R s =Q meas,s +Q hyst (as in the second Q) hyst -Qoffset temp (such as the second Qoffset) temp );

[0477] Neighboring cell: R n =Q meas,n -Qoffset (e.g., the second Qoffset) -Qoffset temp (such as the second Qoffset) temp ).

[0478] 2) Sort the R values of the above first - type candidate cells (including the R of the serving cell s and the R of at least one neighbor cell n ).

[0479] 3) If rangeToBestCell is configured, then according to the sorting result, among the cells within the range of rangeToBestCell from the signal quality of the best cell, select the cell with the most beam numbers satisfying the threshold as the cell where the UE camps; if rangeToBestCell is not configured, select the cell with the highest ranking (i.e., the cell with the best signal quality) as the cell where the UE camps.

[0480] In the second possible implementation, at least one offset for sensing services is included in the first cell reselection parameter. In this case, if the UE has an ongoing sensing service, the UE can perform cell reselection evaluation on the first - type candidate cells and / or the second - type candidate cells according to the first cell reselection parameter (at least one offset).

[0481] For example, for the cells (candidate cells) on at least one high - priority frequency band in the second - type candidate cells, the reselection conditions for cell reselection evaluation may include: within the Treselection RAT time interval, it satisfies: Squal of the candidate cell > Thresh X,HighQ (such as the second Thresh X,HighQ ) + offset (at least one offset) (if threshServingLowQ is broadcast in SIB2); Srxlev of the candidate cell > Thresh X,HighP (such as the second Thresh X,HighP ) + offset (at least one offset) (if threshServingLowQ is not broadcast); the UE camps on the serving cell for more than 1 second.

[0482] Another example, for the cells (candidate cells) on at least one low - priority frequency band in the second - type candidate cells, the reselection conditions for cell reselection evaluation may include: within the Treselection RAT time interval, it satisfies: Squal of the serving cell < ThreshServing,LowQ (such as the second ThreshServing,LowQ) + offset (at least one offset), and Squal of the candidate cell > Thresh X,LowQ (such as the second Thresh X,LowQ) + offset (at least one offset) (if threshServingLowQ is broadcast); Srxlev of the serving cell < ThreshServing,LowP (such as the second ThreshServing,LowP) + offset (at least one offset), and Srxlev of the candidate cell > Thresh X,LowP (such as the second Thresh X,LowP ) + offset (at least one offset) (if threshServingLowQ is not broadcast); The UE stays in the serving cell for more than 1 second.

[0483] In some embodiments, Srxlev and Squal in the above reselection conditions can be determined according to cell selection parameters (such as the first cell selection parameter / the second cell selection parameter).

[0484] As another example, for the first type of candidate cells (at least one co - frequency cell and / or at least one inter - frequency cell with the same priority), the R - criterion sorting can be performed according to the following steps, and then the cell where the UE stays can be determined according to the sorting result:

[0485] 1) For candidate cells that provide the first cell reselection parameter, calculate R s and R n , and the calculation formula is as follows:

[0486] Serving cell: R s = Q meas,s + Q hyst (such as the second Q hyst ) - Qoffset temp (such as the second Qoffset temp ) - offset (at least one offset);

[0487] Neighboring cell: R n = Q meas,n - Qoffset (such as the second Qoffset) - Qoffset temp (such as the second Qoffset temp ) - offset (at least one offset).

[0488] For candidate cells that do not provide the first cell reselection parameter, calculate R s and R n , and the calculation formula is as follows:

[0489] Serving cell: R s = Q meas,s + Q hyst(as in the second Q) hyst -Qoffset temp (such as the second Qoffset) temp );

[0490] Neighboring cell: R n =Q meas,n -Qoffset (e.g., the second Qoffset) -Qoffset temp (such as the second Qoffset) temp ).

[0491] 2) The R value of the first type of candidate cells mentioned above (including the R value of the serving cell). s and at least one neighboring R n Sort them.

[0492] 3) If rangeToBestCell is configured, the cell with the most beams that meet the threshold will be selected as the cell for UE camping, based on the ranking results and within the rangeToBestCell range of the cell with the best cell signal quality. If rangeToBestCell is not configured, the cell with the highest ranking (i.e., the cell with the best signal quality) will be selected as the cell for UE camping.

[0493] Option 2

[0494] In Scheme 2, the network (SF or gNB) can pre-indicate a list of cells supporting awareness services (such as specific awareness services) to the UE in connected mode. For example, the gNB can indicate this cell list via RRC-specific signaling (such as an RRC Release message), or the SF can indicate this cell list via awareness signaling (aware higher-layer signaling). Thus, when performing cell selection or cell reselection, the idle or inactive UE can select a suitable cell to camp on based on this cell list.

[0495] For example, the second scheme may include the following steps 2A and 2B.

[0496] Step 2A: The UE receives a first indication message (an example of the aforementioned first information) sent by the network (SF or gNB), the first indication message being used to indicate at least one cell that supports sensing services.

[0497] In some embodiments, the at least one cell supporting the sensing service can be indicated by a cell identifier (such as a PCI). For example, the first indication information may include a cell identifier list (such as a PCI list), in which at least one cell supporting the sensing service can be distinguished and indicated by at least one cell identifier (such as a PCI). In this way, the UE can know which cells support the sensing service through the cell identifier list (such as the PCI list).

[0498] In some embodiments, the first indication information is directed to a specific sensing service. That is, the first indication information can be used to indicate at least one cell that supports a specific sensing service. This specific sensing service may be a sensing service being performed by the UE. In this way, the UE can know which cells support the sensing service it is performing, allowing for more granular segmentation.

[0499] In some embodiments, the first indication information may be carried in RRC-specific signaling (such as an RRC Release message) and sent by the gNB. In this approach, the first indication information is typically not specific to any particular sensing service. For example, the first indication information may be for multiple sensing services, or it may be common to multiple sensing services.

[0500] In some embodiments, the first indication information may be carried in sensing signaling and sent by the SF. For example, it may be carried in a Provide Sensing Assistance Data message or a Sensing Information Request message. In this approach, the first indication information is typically specific to a particular sensing service, and by carrying the first indication information in the sensing signaling of that specific sensing service, it can be implicitly indicated that the first indication information is specific to that particular sensing service.

[0501] Step 2B: The UE performs cell selection or cell reselection according to the first indication information.

[0502] In some embodiments, during the cell selection process, if the UE has an ongoing sensing service, it can perform S-criteria evaluation on at least one cell indicated by the first indication information, and then determine the cell to be camped based on the evaluation results. Optionally, if the UE does not find a cell to camp on among the at least one cell indicated by the first indication information, it can further perform S-criteria evaluation on other candidate cells.

[0503] In some embodiments, during cell reselection, if the UE has an ongoing sensing service, it can perform RSRP / RSRQ-based cell reselection evaluation (including cell reselection evaluation for first-type candidate cells and / or second-type candidate cells) on at least one cell indicated by the first indication information to determine the target cell for reselection (i.e., the cell where the UE is camped). Optionally, if the UE does not find a target cell for reselection among at least one cell indicated by the first indication information, it can further perform RSRP / RSRQ-based cell reselection evaluation (including cell reselection evaluation for first-type candidate cells and / or second-type candidate cells) across the entire candidate cell range (i.e., not based on the first indication information) to determine the target cell for reselection.

[0504] In some embodiments, during the cell reselection process, the UE may first perform a cell reselection evaluation based on RSRP / RSRQ across the entire candidate cell range, and then determine the target cell for reselection based on the first indication information.

[0505] The process of determining the target cell for reselection based on the first indication information may include the following two scenarios:

[0506] Case 1: For the second type of candidate cells (at least one cell on a high-priority frequency point and / or at least one cell on a low-priority frequency point), the target cell for reselection is determined based on the first indication information.

[0507] For example, for the second type of candidate cells, a cell that both meets the reselection criteria and is included in at least one of the cells indicated by the first indication information (candidate cell) can be preferentially selected as the reselection target cell. If there is no cell that both meets the reselection criteria and is included in at least one of the cells indicated by the first indication information (candidate cell), the UE can select one cell from the candidate cells that meet the reselection criteria as the reselection target cell.

[0508] Case 2: For the first type of candidate cells (at least one co-frequency cell and / or at least one co-priority cell with different frequencies), the target cell for reselection is determined based on the first indication information.

[0509] For example, for the first type of candidate cells, the target cell for reselection can be determined based on the first indication information and the ranking result of the R criterion. The specific implementation method is similar to that of Scheme 1, and will not be described in detail here.

[0510] Compared with Scheme 1, Scheme 2 does not require the network to broadcast cell selection parameters / cell reselection parameters for sensing services in system messages, which helps to save the overhead of broadcast signaling.

[0511] In some sensing scenarios, certain sensing services require the sensing receiving terminal to periodically receive sensing reference signals and generate and report sensing information over a relatively long period, or require the sensing transmitting terminal to periodically transmit sensing reference signals over a relatively long period, resulting in high energy consumption. Therefore, in this embodiment, when not performing sensing-related operations, or only performing downlink sensing reference signal measurements, it is advisable to allow the sensing terminals (sensing transmitting terminal and / or sensing receiving terminal) to enter the RRC idle state or inactive state to save energy.

[0512] In this scenario, the following technical issues may arise:

[0513] 1) During the execution of sensing services, sensing terminals may be in a state of constant movement. In this case, the sensing services may be affected or even interrupted because the sensing terminals move out of the coverage area of ​​the serving cell (sensing gNB). Therefore, for sensing terminals in the RRC idle state or inactive state, how to ensure the continuity of sensing services when the sensing terminals move is a problem that needs to be considered.

[0514] 2) When a sensing terminal in an RRC idle or inactive state undergoes cell selection reselection, if it is reselected to a target cell that cannot provide sensing services, the network needs to additionally switch the UE to a cell that supports sensing services when the UE returns to the RRC connected state to perform sensing operations, which causes unnecessary handover overhead.

[0515] To address the aforementioned technical issues, this application's embodiments consider enhanced cell selection / reselection for sensing services in RRC idle or inactive sensing terminals. For example, in Scheme 1, the idle or inactive UE can receive auxiliary information related to the current cell (or serving cell) and / or at least one neighboring cell for sensing services, enabling cell selection / reselection based on this auxiliary information. In Scheme 2, the network (SF or gNB) can pre-indicate at least one cell supporting sensing services for the UE in connected mode. Therefore, when performing cell selection / reselection, the idle or inactive UE can perform cell selection / reselection based on the at least one cell supporting sensing services indicated by the network (SF or gNB). Through these technical solutions, the UE can select / reselect to a cell supporting sensing services for camping, thereby preventing interruption of the sensing services being performed by the UE (i.e., ensuring the continuity of sensing services) and avoiding unnecessary handover overhead.

[0516] In some scenarios, the solutions in this application embodiment can also be applied to scenarios such as positioning.

[0517] The preferred embodiments of this application have been described in detail above with reference to the accompanying drawings. However, this application is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this application, various simple modifications can be made to the technical solutions of this application, and these simple modifications all fall within the protection scope of this application. For example, the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, this application will not describe the various possible combinations separately. Furthermore, various different embodiments of this application can also be arbitrarily combined, as long as they do not violate the spirit of this application, they should also be considered as the content disclosed in this application. Moreover, without conflict, the various embodiments and / or the technical features in the various embodiments described in this application can be arbitrarily combined with the prior art, and the resulting technical solutions should also fall within the protection scope of this application.

[0518] It should also be understood that in the various method embodiments of this application, the sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this application. Furthermore, in the embodiments of this application, the terms "downlink," "uplink," and "sidelink" are used to indicate the transmission direction of signals or data. "Downlink" indicates that the transmission direction of signals or data is a first direction from the site to the user equipment in the cell; "uplink" indicates that the transmission direction of signals or data is a second direction from the user equipment in the cell to the site; and "sidelink" indicates that the transmission direction of signals or data is a third direction from user equipment 1 to user equipment 2. For example, "downlink signal" indicates that the transmission direction of the signal is the first direction. Additionally, in the embodiments of this application, the term "and / or" is merely a description of the association relationship between related objects, indicating that three relationships can exist. Specifically, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Furthermore, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0519] Based on the foregoing embodiments, this application provides corresponding communication devices.

[0520] Figure 12 is a schematic diagram of the structure of a communication device provided in an embodiment of this application, applied to a terminal device with sensing services. As shown in Figure 12, the communication device 1200 (hereinafter referred to as device 1200) includes:

[0521] The first communication unit 1201 is configured to receive first information, which is used by the device 1200 to perform cell selection or cell reselection for sensing services.

[0522] In some embodiments, the first information includes one or more of the following: second information, which indicates the sensing capability of network devices corresponding to one or more cells; third information, which indicates a set of parameters related to a first criterion under the sensing service, wherein the first criterion is a criterion that a first candidate cell must meet as a cell for which the device 1200 camps, and the first criterion is used to evaluate the signal quality of the cell during the cell selection process; fourth information, which indicates the frequency priority of one or more cells under the sensing service; fifth information, which indicates whether to measure the signal quality of one or more neighboring cells under the sensing service; and sixth information, which indicates a set of parameters related to a first condition and / or a second condition under the sensing service; wherein the first condition is a condition that a first type of cell among one or more cells must meet as a cell for which the device 1200 camps, and the second condition is a condition that a second type of cell among one or more cells must meet as a cell for which the device 1200 camps, and the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

[0523] In some embodiments, the one or more cells include one or more of the following: the first candidate cell; the serving cell of the device 1200; and the one or more neighboring cells.

[0524] In some embodiments, the third information includes a first parameter set, wherein the parameters in the first parameter set are of the same type as the parameters in the second parameter set; or, the third information includes a first offset value and a second parameter set; wherein the second parameter set is used to indicate the parameter set related to the first criterion under non-aware service conditions.

[0525] In some embodiments, the fourth information includes a third parameter set, wherein the parameters in the third parameter set are of the same type as the parameters in the fourth parameter set; or, the fourth information includes a second offset value and the fourth parameter set; wherein, the fourth parameter set is used to indicate the frequency priority of the one or more cells under non-aware services.

[0526] In some embodiments, the second offset value includes: an offset value with a priority granularity, and / or an offset value with a sub-priority granularity.

[0527] In some embodiments, the fifth information includes a fifth parameter set, wherein the parameters in the fifth parameter set are of the same type as the parameters in the sixth parameter set; or, the fifth information includes a third offset value and the sixth parameter set; wherein the sixth parameter set is used to indicate whether to measure the signal quality of the one or more neighboring cells under non-perceptual service conditions.

[0528] In some embodiments, measuring the signal quality of the one or more neighboring cells includes: measuring the signal quality of a first type of cell in the one or more neighboring cells; and / or, measuring the signal quality of a second type of cell in the one or more neighboring cells.

[0529] In some embodiments, the sixth information includes a seventh parameter set, wherein the parameters in the seventh parameter set are of the same type as the parameters in the eighth parameter set; or, the sixth information includes a fourth offset value and the eighth parameter set; wherein the eighth parameter set is used to indicate the set of parameters related to the first condition and / or the second condition under non-aware service conditions.

[0530] In some embodiments, the sixth information is used to rank the signal quality of a first type of cell among the one or more cells based on a second criterion, the ranking result being used to determine whether the first type of cell meets the first condition; and / or, the sixth information is used to indicate a threshold value related to signal quality, the threshold value being used to determine whether a second type of cell among the one or more cells meets the second condition.

[0531] In some embodiments, the sensing capabilities of a network device include one or more of the following: whether the network device supports sensing services; the types of sensing services supported by the network device; the sensing modes supported by the network device; whether the network device can act as a sensing transmitting node; whether the network device can act as a sensing receiving node; and the sensing accuracy of the network device.

[0532] In some embodiments, the first information is configured for the one or more cells, or for the frequency points corresponding to the one or more cells.

[0533] In some embodiments, under the sensing service, if the first candidate cell meets a third condition, then the first candidate cell is allowed to be the cell where the device 1200 camps; the third condition includes: meeting the first criterion; and / or, the corresponding network device is able to support the sensing service, or, is able to support the sensing service being performed by the device 1200.

[0534] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to perform one or more of the following under a sensing service: determining, based on the second information, whether the network device corresponding to the first candidate cell can support the sensing service, or whether it can support the sensing service being executed by the apparatus 1200; and determining, based on the third information, whether the first candidate cell meets the first criterion.

[0535] In some embodiments, under the sensing service, if there is a first cell in the first type of cells that meets the first condition and / or the fourth condition, then the first cell is allowed to be the cell where the device 1200 camps; and / or, under the sensing service, if there is a second cell in the second type of cells that meets the second condition and / or the fourth condition, then the second cell is allowed to be the cell where the device 1200 camps; the fourth condition includes: the corresponding network device is able to support the sensing service, or, is able to support the sensing service that the device 1200 is performing.

[0536] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to, under a sensing service, determine, based on the sixth information, cells from the first type of cells that satisfy the first condition, and / or cells from the second type of cells that satisfy the second condition.

[0537] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to, under a sensing service, determine, based on an eighth parameter set, cells from the first type of cells that satisfy the first condition, and / or cells from the second type of cells that satisfy the second condition; wherein the eighth parameter set is further used to indicate a parameter set related to the first condition and / or the second condition under a non-sensing service.

[0538] In some embodiments, the device 1200 further includes: a first processing unit configured to, based on the second information, select a cell that satisfies a fourth condition from cells that satisfy the first condition as the cell where the device 1200 camps, or select a cell that satisfies the fourth condition from cells that satisfy the second condition as the cell where the device 1200 camps; the fourth condition includes: the corresponding network device can support sensing services, or can support the sensing services that the device 1200 is currently executing.

[0539] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to, under a sensing service, determine, based on the second information, a cell satisfying a fourth condition from the first type of cells, and / or determine, from the second type of cells, a cell satisfying the fourth condition; the fourth condition includes: the corresponding network device is capable of supporting the sensing service, or is capable of supporting the sensing service being executed by the apparatus 1200.

[0540] In some embodiments, the device 1200 further includes a first processing unit configured to select, based on the sixth information, a first type of cell that satisfies the first condition or a second type of cell that satisfies the second condition from cells that satisfy the fourth condition as the cell where the device 1200 camps.

[0541] In some embodiments, the device 1200 further includes: a first processing unit configured to select, based on an eighth parameter set, a first type of cell satisfying the first condition or a second type of cell satisfying the second condition from cells satisfying the fourth condition as the cell where the device 1200 camps; wherein the eighth parameter set is further used to indicate a parameter set related to the first condition and / or the second condition under non-aware services.

[0542] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to determine the frequency priority corresponding to the one or more cells based on the fourth information under a sensing service.

[0543] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to determine, under a sensing service, whether to measure the signal quality of the one or more neighboring cells based on the fifth information.

[0544] In some embodiments, the device 1200 is in an idle state or an inactive state when it receives the first information.

[0545] In some embodiments, the first information is carried via system messages or radio resource control signaling.

[0546] In some embodiments, the first information is used to indicate one or more cells that support sensing services.

[0547] In some embodiments, the sensing services supported by the one or more cells are sensing services executed by the device 1200.

[0548] In some embodiments, under the sensing service, if there is a cell among the one or more cells that meets a first criterion, then the cell that meets the first criterion is allowed to be the cell where the device 1200 camps; the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

[0549] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to select, under a sensing service, a cell that meets a first criterion from the one or more cells as the cell where the apparatus 1200 camps, wherein the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

[0550] In some embodiments, under the sensing service, if there is a first type of cell among the one or more cells, and there is a cell among the first type of cells that meets a first condition, then the cell that meets the first condition is allowed to be a cell where the device 1200 camps; and / or, under the sensing service, if there is a second type of cell among the one or more cells, and there is a cell among the second type of cells that meets a second condition, then the cell that meets the second condition is allowed to be a cell where the device 1200 camps; wherein, the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

[0551] In some embodiments, the one or more cells include a first type of cell and / or a second type of cell; the device 1200 further includes: a first processing unit configured to, under a sensing service, select a cell from the first type of cells that meets a first condition as the cell where the device 1200 camps; or, select a cell from the second type of cells that meets a second condition as the cell where the device 1200 camps; wherein the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

[0552] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to, under a sensing service, determine one or more cells satisfying a first condition from a first type of candidate cells, and / or determine one or more cells satisfying a second condition from a second type of candidate cells; the first condition and / or the second condition are used to evaluate the signal quality of the cells during a cell reselection process; and determine the cell where the apparatus 1200 camps from the one or more cells satisfying the first condition and / or the one or more cells satisfying the second condition, wherein the cell where the apparatus 1200 camps is included in the one or more cells.

[0553] In some embodiments, the apparatus 1200 further includes: a first processing unit configured to, under a sensing service, rank the signal quality of the first type of cells based on a second criterion, and determine whether the first type of cells meets the first condition based on the ranking result; and / or, determine whether the second type of cells meets the second condition based on a threshold value related to signal quality.

[0554] In some embodiments, the device 1200 is in a connected state when it receives the first information.

[0555] In some embodiments, the first information comes from a network device, which is a sensing function network element or a base station.

[0556] In some embodiments, the first information is carried via radio resource control signaling; or, the first information is carried via sensing signaling, which is associated with a sensing service performed by the device 1200.

[0557] In some embodiments, the first type of cell corresponds to the same frequency point or frequency point priority as the serving cell of the device 1200; the second type of cell corresponds to a different frequency point or frequency point priority than the serving cell of the device 1200, or the second type of cell corresponds to a different communication system than the serving cell of the device 1200.

[0558] In some embodiments, the device 1200 has a sensing service in progress.

[0559] Figure 13 is a schematic diagram of the structure of a communication device provided in an embodiment of this application, which is applied to a network device. As shown in Figure 13, the communication device 1300 (hereinafter referred to as device 1300) includes:

[0560] The second communication unit 1301 is configured to send first information to the terminal device, the first information being used by the terminal device to perform cell selection or cell reselection for sensing services.

[0561] In some embodiments, the first information includes one or more of the following: second information, which indicates the sensing capability of network devices corresponding to one or more cells; third information, which indicates a set of parameters related to a first criterion under the sensing service, wherein the first criterion is a criterion that a first candidate cell must meet as a cell for which the terminal device camps, and the first criterion is used to evaluate the signal quality of the cell during the cell selection process; fourth information, which indicates the frequency priority of one or more cells under the sensing service; fifth information, which indicates whether to measure the signal quality of one or more neighboring cells under the sensing service; and sixth information, which indicates a set of parameters related to a first condition and / or a second condition under the sensing service; wherein the first condition is a condition that a first type of cell among one or more cells must meet as a cell for which the terminal device camps, and the second condition is a condition that a second type of cell among one or more cells must meet as a cell for which the terminal device camps, and the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

[0562] In some embodiments, the one or more cells include one or more of the following: the first candidate cell, the serving cell of the terminal device, and the one or more neighboring cells.

[0563] In some embodiments, the third information includes a first parameter set, wherein the parameters in the first parameter set are of the same type as the parameters in the second parameter set; or, the third information includes a first offset value and a second parameter set; wherein the second parameter set is used to indicate the parameter set related to the first criterion under non-aware service conditions.

[0564] In some embodiments, the fourth information includes a third parameter set, wherein the parameters in the third parameter set are of the same type as the parameters in the fourth parameter set; or, the fourth information includes a second offset value and the fourth parameter set; wherein, the fourth parameter set is used to indicate the frequency priority of the one or more cells under non-aware services.

[0565] In some embodiments, the second offset value includes: an offset value with a priority granularity, and / or an offset value with a sub-priority granularity.

[0566] In some embodiments, the fifth information includes a fifth parameter set, wherein the parameters in the fifth parameter set are of the same type as the parameters in the sixth parameter set; or, the fifth information includes a third offset value and the sixth parameter set; wherein the sixth parameter set is used to indicate whether to measure the signal quality of the one or more neighboring cells under non-perceptual service conditions.

[0567] In some embodiments, measuring the signal quality of the one or more neighboring cells includes: measuring the signal quality of a first type of cell in the one or more neighboring cells; and / or, measuring the signal quality of a second type of cell in the one or more neighboring cells.

[0568] In some embodiments, the sixth information includes a seventh parameter set, the type of which is the same as the type of the eighth parameter set; or, the sixth information includes a fourth offset value and the eighth parameter set; wherein, the eighth parameter set is used to indicate the parameter set related to the first condition and / or the second condition under non-aware service conditions.

[0569] In some embodiments, the sixth information is used to rank the signal quality of a first type of cell among the one or more cells based on a second criterion, the ranking result being used to determine whether the first type of cell meets the first condition; and / or, the sixth information is used to indicate a threshold value related to signal quality, the threshold value being used to determine whether a second type of cell among the one or more cells meets the second condition.

[0570] In some embodiments, the sensing capabilities of a network device include one or more of the following: whether the network device supports sensing services; the types of sensing services supported by the network device; the sensing modes supported by the network device; whether the network device can act as a sensing transmitting node; whether the network device can act as a sensing receiving node; and the sensing accuracy of the network device.

[0571] In some embodiments, the first information is configured for the one or more cells, or for the frequency points corresponding to the one or more cells.

[0572] In some embodiments, under the sensing service, if the first candidate cell meets the third condition, then the first candidate cell is allowed to be the cell where the terminal device camps; the third condition includes: meeting the first criterion; and / or, the corresponding network device is able to support the sensing service, or, is able to support the sensing service being performed by the terminal device.

[0573] In some embodiments, under the sensing service, if there is a first cell in the first type of cells that meets the first condition and / or the fourth condition, then the first cell is allowed to be the cell where the terminal device camps; and / or, under the sensing service, if there is a second cell in the second type of cells that meets the second condition and / or the fourth condition, then the second cell is allowed to be the cell where the terminal device camps; the fourth condition includes: the corresponding network device is able to support the sensing service, or is able to support the sensing service that the terminal device is currently executing.

[0574] In some embodiments, the terminal device is in an idle state or an inactive state when it receives the first information.

[0575] In some embodiments, the first information is carried via system messages or radio resource control signaling.

[0576] In some embodiments, the first information is used to indicate one or more cells that support sensing services.

[0577] In some embodiments, the sensing services supported by the one or more cells are sensing services executed by the terminal device.

[0578] In some embodiments, under the sensing service, if there is a cell among the one or more cells that meets a first criterion, then the cell that meets the first criterion is allowed to be the cell where the terminal device camps; the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

[0579] In some embodiments, under the sensing service, if there is a first type of cell among the one or more cells, and there is a cell among the first type of cells that meets a first condition, then the cell that meets the first condition is allowed to be used as a cell for the terminal device to camp; and / or, under the sensing service, if there is a second type of cell among the one or more cells, and there is a cell among the second type of cells that meets a second condition, then the cell that meets the second condition is allowed to be used as a cell for the terminal device to camp; wherein, the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

[0580] In some embodiments, the terminal device is in a connected state when it receives the first information.

[0581] In some embodiments, the device 1300 is a sensing function network element or a base station.

[0582] In some embodiments, the first information is carried via radio resource control signaling; or, the first information is carried via sensing signaling, which is associated with a sensing service performed by the terminal device.

[0583] In some embodiments, the first type of cell corresponds to the same frequency point or frequency point priority as the serving cell of the terminal device; the second type of cell corresponds to a different frequency point or frequency point priority than the serving cell of the terminal device, or the second type of cell corresponds to a different communication system than the serving cell of the terminal device.

[0584] In some embodiments, the terminal device has a sensing service in progress.

[0585] Those skilled in the art should understand that the description of the communication device in the embodiments of this application can be understood with reference to the description of the communication method in the embodiments of this application.

[0586] Figure 14 is a schematic structural diagram of a communication device provided in an embodiment of this application. This communication device can be a terminal device or a network device. The communication device 1400 shown in Figure 14 includes a processor 1410, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0587] Optionally, as shown in FIG14, the communication device 1400 may further include a memory 1420. The processor 1410 may retrieve and run computer programs from the memory 1420 to implement the methods described in the embodiments of this application.

[0588] The memory 1420 can be a separate device independent of the processor 1410, or it can be integrated into the processor 1410.

[0589] Optionally, as shown in FIG14, the communication device 1400 may further include a transceiver 1430, and the processor 1410 may control the transceiver 1430 to communicate with other devices. Specifically, it may send information or data to other devices or receive information or data sent by other devices.

[0590] The transceiver 1430 may include a transmitter and a receiver. The transceiver 1430 may further include an antenna, and the number of antennas may be one or more.

[0591] Optionally, the communication device 1400 may specifically be a terminal device in the embodiments of this application, and the communication device 1400 may implement the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0592] Optionally, the communication device 1400 may specifically be a network device in the embodiments of this application, and the communication device 1400 may implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0593] Figure 15 is a schematic structural diagram of a chip according to an embodiment of this application. The chip 1500 shown in Figure 15 includes a processor 1510, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0594] Optionally, as shown in FIG15, chip 1500 may further include memory 1520. Processor 1510 may retrieve and run computer programs from memory 1520 to implement the methods in the embodiments of this application.

[0595] The memory 1520 can be a separate device independent of the processor 1510, or it can be integrated into the processor 1510.

[0596] Optionally, the chip 1500 may also include an input interface 1530. The processor 1510 can control the input interface 1530 to communicate with other devices or chips; specifically, it can acquire information or data sent by other devices or chips.

[0597] Optionally, the chip 1500 may also include an output interface 1540. The processor 1510 can control the output interface 1540 to communicate with other devices or chips, specifically, to output information or data to other devices or chips.

[0598] Optionally, the chip can be applied to the terminal device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0599] Optionally, the chip can be applied to the network device in the embodiments of this application, and the chip can implement the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0600] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0601] This application also provides a computer storage medium storing one or more programs, which can be executed by one or more processors to implement the methods in this application.

[0602] Figure 16 is a schematic block diagram of a communication system provided in an embodiment of this application. As shown in Figure 16, the communication system 1600 includes a terminal device 1610 and a network device 1620.

[0603] The terminal device 1610 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the network device 1620 can be used to implement the corresponding functions implemented by the network device in the above method. For the sake of brevity, they will not be described in detail here.

[0604] It should be understood that the processor in the embodiments of this application may be an integrated circuit chip with signal processing capabilities. In implementation, each step of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by instructions in software form. The processor described above can be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor can be a microprocessor or any conventional processor, etc. The steps of the methods disclosed in the embodiments of this application can be directly embodied in the execution of a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules can be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. The storage medium is located in memory, and the processor reads information from the memory and, in conjunction with its hardware, completes the steps of the above method.

[0605] It is understood that the memory in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDR SDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchlink DRAM (SLDRAM), and Direct Rambus RAM (DR RAM). It should be noted that the memory used in the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0606] It should be understood that the above-described memory is exemplary and not a limiting description. For example, the memory in the embodiments of this application may also be static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DR RAM), etc. That is to say, the memory in the embodiments of this application is intended to include, but is not limited to, these and any other suitable types of memory.

[0607] This application also provides a computer-readable storage medium for storing computer programs.

[0608] Optionally, the computer-readable storage medium can be applied to the terminal device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0609] Optionally, the computer-readable storage medium can be applied to the network device in the embodiments of this application, and the computer program causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0610] This application also provides a computer program product, including computer program instructions.

[0611] Optionally, the computer program product can be applied to the terminal device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, they will not be described in detail here.

[0612] Optionally, the computer program product can be applied to the network device in the embodiments of this application, and the computer program instructions cause the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, they will not be described in detail here.

[0613] This application also provides a computer program.

[0614] Optionally, the computer program can be applied to the terminal device in the embodiments of this application. When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the terminal device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0615] Optionally, the computer program can be applied to the network device in the embodiments of this application. When the computer program is run on the computer, it causes the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of this application. For the sake of brevity, it will not be described in detail here.

[0616] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0617] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0618] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces; the indirect coupling or communication connection between apparatuses or units may be electrical, mechanical, or other forms.

[0619] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0620] In addition, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0621] If the aforementioned functions are implemented as software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or a portion of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0622] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A communication method applied to a terminal device with sensing services, the method comprising: The terminal device receives first information, which is used to perform cell selection or cell reselection for sensing services.

2. The method according to claim 1, wherein, The first information includes one or more of the following: The second information is used to indicate the sensing capabilities of network devices corresponding to one or more cells; The third information is used to indicate the set of parameters related to the first criterion under the perception service. The first criterion is the criterion that the first candidate cell needs to meet as the cell where the terminal device camps. The first criterion is used to evaluate the signal quality of the cell during the cell selection process. The fourth information is used to indicate the frequency priority of one or more cells under the sensing service; The fifth piece of information is used to indicate whether, under the sensing service, the signal quality of one or more neighboring cells is measured; The sixth information is used to indicate the set of parameters related to the first condition and / or the second condition under the perception service; wherein, the first condition is the condition that a first type of cell in one or more cells needs to meet as the cell where the terminal device camps, and the second condition is the condition that a second type of cell in one or more cells needs to meet as the cell where the terminal device camps, and the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

3. The method according to claim 2, wherein, The one or more cells include one or more of the following: The first candidate cell; the serving cell of the terminal device; the one or more neighboring cells.

4. The method according to claim 2 or 3, wherein, The third information includes a first parameter set, where the parameters in the first parameter set are of the same type as the parameters in the second parameter set; or... The third information includes a first offset value and the second parameter set; The second parameter set is used to indicate the parameter set related to the first criterion under non-aware service conditions.

5. The method according to any one of claims 2 to 4, wherein, The fourth information includes a third parameter set, wherein the parameters in the third parameter set are of the same type as the parameters in the fourth parameter set; or... The fourth information includes the second offset value and the fourth parameter set; The fourth parameter set is used to indicate the frequency priority of the one or more cells under non-aware services.

6. The method according to claim 5, wherein, The second offset value includes: an offset value with a priority granularity, and / or an offset value with a sub-priority granularity.

7. The method according to any one of claims 2 to 6, wherein, The fifth piece of information includes a fifth set of parameters, and the parameters in the fifth set of parameters are of the same type as the parameters in the sixth set of parameters; or... The fifth information includes the third offset value and the sixth parameter set; The sixth parameter set is used to indicate whether to measure the signal quality of one or more neighboring cells under non-perceptual services.

8. The method according to any one of claims 2 to 7, wherein, The measurement of signal quality of the one or more neighboring cells includes: The signal quality of the first type of cell in one or more neighboring cells is measured; and / or, The signal quality of the second type of cell in one or more neighboring cells is measured.

9. The method according to any one of claims 2 to 8, wherein, The sixth piece of information includes a seventh parameter set, where the parameters in the seventh parameter set are of the same type as the parameters in the eighth parameter set; or... The sixth information includes the fourth offset value and the eighth parameter set; The eighth parameter set is used to indicate the parameter set related to the first condition and / or the second condition under non-aware service conditions.

10. The method according to any one of claims 2 to 9, wherein, The sixth information is used to rank the signal quality of the first type of cells in the one or more cells based on the second criterion, and the ranking result is used to determine whether the first type of cells meets the first condition. And / or, The sixth piece of information is used to indicate a threshold value related to signal quality, which is used to determine whether a second type of cell among the one or more cells meets the second condition.

11. The method according to any one of claims 2 to 10, wherein, The sensing capabilities of network devices include one or more of the following: Does the network equipment support sensing services? The types of sensing services supported by network devices; The sensing modes supported by network devices; Can network devices serve as sensing and transmitting nodes? Can network devices serve as sensing and receiving nodes? The sensing accuracy of network devices.

12. The method according to any one of claims 2 to 11, wherein, The first information is configured for the one or more cells, or for the frequency points corresponding to the one or more cells.

13. The method according to any one of claims 2 to 12, wherein, Under the perception service, if the first candidate cell meets the third condition, then the first candidate cell is allowed to be used as the cell where the terminal device camps. The third condition includes: The first criterion is met; and / or, The corresponding network equipment can support sensing services, or can support the sensing services being executed by the terminal equipment.

14. The method according to claim 13, wherein, The method further includes: Under the perception business, perform one or more of the following: Based on the second information, it is determined whether the network device corresponding to the first candidate cell can support sensing services, or whether it can support the sensing services being executed by the terminal device. Based on the third information, it is determined whether the first candidate cell meets the first criterion.

15. The method according to any one of claims 2 to 12, wherein, Under the perception service, if there is a first cell in the first type of cells that meets the first condition and / or the fourth condition, then the first cell is allowed to be used as the cell where the terminal device camps; and / or, Under the perception service, if there is a second cell in the second type of cell that meets the second condition and / or the fourth condition, then the second cell is allowed to be the cell where the terminal device camps. The fourth condition includes: the corresponding network device is able to support sensing services, or it is able to support the sensing services being executed by the terminal device.

16. The method according to any one of claims 2 to 12, 15, wherein, In the context of sensing services, the method further includes: Based on the sixth information, cells that meet the first condition are determined from the first type of cells, and / or cells that meet the second condition are determined from the second type of cells.

17. The method according to any one of claims 2 to 12, 15, wherein, In the context of sensing services, the method further includes: Based on the eighth parameter set, cells that meet the first condition are determined from the first type of cells, and / or cells that meet the second condition are determined from the second type of cells; The eighth parameter set is also used to indicate the parameter set related to the first condition and / or the second condition under non-aware service conditions.

18. The method according to claim 16 or 17, wherein, The method further includes: Based on the second information, from the cells that meet the first condition, select a cell that meets the fourth condition as the cell where the terminal device resides; or, from the cells that meet the second condition, select a cell that meets the fourth condition as the cell where the terminal device resides. The fourth condition includes: the corresponding network device is able to support sensing services, or it is able to support the sensing services being executed by the terminal device.

19. The method according to any one of claims 2 to 12, 15, wherein, In the context of sensing services, the method further includes: Based on the second information, cells that meet the fourth condition are determined from the first type of cells, and / or cells that meet the fourth condition are determined from the second type of cells; The fourth condition includes: the corresponding network device is able to support sensing services, or it is able to support the sensing services being executed by the terminal device.

20. The method according to claim 19, wherein, The method further includes: Based on the sixth information, from the cells that meet the fourth condition, select a first-type cell that meets the first condition or a second-type cell that meets the second condition as the cell where the terminal device resides.

21. The method according to claim 19, wherein, The method further includes: Based on the eighth parameter set, from the cells that satisfy the fourth condition, select a first type cell that satisfies the first condition or a second type cell that satisfies the second condition as the cell where the terminal device camps; The eighth parameter set is also used to indicate the parameter set related to the first condition and / or the second condition under non-aware service conditions.

22. The method according to any one of claims 2 to 12, 15 to 21, wherein, The method further includes: Under the perception service, the frequency priority of the one or more cells is determined based on the fourth information.

23. The method according to any one of claims 2 to 12, 15 to 22, wherein, The method further includes: Under the perception service, based on the fifth piece of information, it is determined whether to measure the signal quality of the one or more neighboring cells.

24. The method according to any one of claims 1 to 23, wherein, The terminal device is in an idle or inactive state when it receives the first information.

25. The method according to any one of claims 1 to 24, wherein, The first information is carried via system messages or radio resource control signaling.

26. The method according to claim 1, wherein, The first information is used to indicate one or more cells that support sensing services.

27. The method according to claim 26, wherein, The sensing services supported by the one or more cells are the sensing services executed by the terminal device.

28. The method according to claim 26 or 27, wherein, Under the perception service, if there is a cell among the one or more cells that meets the first criterion, then the cell that meets the first criterion is allowed to be the cell where the terminal device camps; the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

29. The method according to any one of claims 26 to 28, wherein, In the context of sensing services, the method further includes: From the one or more cells, a cell that meets a first criterion is selected as the cell where the terminal device camps, and the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

30. The method according to claim 26 or 27, wherein, Under the perception service, if a first type of cell exists among the one or more cells, and a cell in the first type of cell meets a first condition, then the cell meeting the first condition is allowed to be used as the cell where the terminal device camps; and / or, Under the perception service, if there is a second type of cell among the one or more cells, and there is a cell among the second type of cells that meets the second condition, then the cell that meets the second condition is allowed to be used as the cell where the terminal device camps. The first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

31. The method according to any one of claims 26, 27, and 30, wherein, The one or more cells may contain type 1 cells and / or type 2 cells; under the sensing service, the method further includes: From the first type of cells, select a cell that meets the first condition as the cell where the terminal device resides; or, From the second type of cells, select a cell that meets the second condition as the cell where the terminal device resides; The first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

32. The method according to any one of claims 26, 27, and 30, wherein, In the context of sensing services, the method further includes: One or more cells satisfying a first condition are selected from a first type of candidate cells, and / or one or more cells satisfying a second condition are selected from a second type of candidate cells; the first condition and / or the second condition are used to evaluate the signal quality of the cells during the cell reselection process. The cell in which the terminal device camps is determined from one or more cells that meet the first condition and / or one or more cells that meet the second condition, wherein the cell in which the terminal device camps is included in the one or more cells.

33. The method according to any one of claims 30 to 32, wherein, In the context of sensing services, the method further includes: Based on the second criterion, the signal quality of the first type of cells is ranked, and based on the ranking result, it is determined whether the first type of cells meets the first condition; and / or, Based on a threshold value related to signal quality, it is determined whether the second type of cell meets the second condition.

34. The method according to any one of claims 26 to 33, wherein, The terminal device is in a connected state when it receives the first information.

35. The method according to any one of claims 26 to 34, wherein, The first information comes from a network device, which is a sensing network element or a base station.

36. The method according to any one of claims 26 to 35, wherein, The first information is carried via radio resource control signaling; or, The first information is carried through sensing signaling, which is associated with the sensing service executed by the terminal device.

37. The method according to any one of claims 2 to 23, 30 to 33, wherein, The first type of cell corresponds to the same frequency point or frequency point priority as the serving cell of the terminal device. The second type of cell corresponds to a different frequency point or frequency priority than the serving cell of the terminal device, or the second type of cell corresponds to a different communication system than the serving cell of the terminal device.

38. The method according to any one of claims 1 to 37, wherein, The terminal device is currently performing a sensing service.

39. A communication method applied to a network device, the method comprising: Send first information to the terminal device, the first information being used by the terminal device to perform cell selection or cell reselection for sensing services.

40. The method according to claim 39, wherein, The first information includes one or more of the following: The second information is used to indicate the sensing capabilities of network devices corresponding to one or more cells; The third information is used to indicate the set of parameters related to the first criterion under the perception service. The first criterion is the criterion that the first candidate cell needs to meet as the cell where the terminal device camps. The first criterion is used to evaluate the signal quality of the cell during the cell selection process. The fourth information is used to indicate the frequency priority of one or more cells under the sensing service; The fifth piece of information is used to indicate whether, under the sensing service, the signal quality of one or more neighboring cells is measured; The sixth information is used to indicate the set of parameters related to the first condition and / or the second condition under the perception service; wherein, the first condition is the condition that a first type of cell in one or more cells needs to meet as the cell where the terminal device camps, and the second condition is the condition that a second type of cell in one or more cells needs to meet as the cell where the terminal device camps, and the first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

41. The method according to claim 40, wherein, The one or more cells include one or more of the following: The first candidate cell; the serving cell of the terminal device; the one or more neighboring cells.

42. The method according to claim 40 or 41, wherein, The third information includes a first parameter set, where the parameters in the first parameter set are of the same type as the parameters in the second parameter set; or... The third information includes a first offset value and the second parameter set; The second parameter set is used to indicate the parameter set related to the first criterion under non-aware service conditions.

43. The method according to any one of claims 40 to 42, wherein, The fourth information includes a third parameter set, wherein the parameters in the third parameter set are of the same type as the parameters in the fourth parameter set; or... The fourth information includes the second offset value and the fourth parameter set; The fourth parameter set is used to indicate the frequency priority of the one or more cells under non-aware services.

44. The method according to claim 43, wherein, The second offset value includes: an offset value with a priority granularity, and / or an offset value with a sub-priority granularity.

45. The method according to any one of claims 40 to 44, wherein, The fifth piece of information includes a fifth set of parameters, and the parameters in the fifth set of parameters are of the same type as the parameters in the sixth set of parameters; or... The fifth information includes the third offset value and the sixth parameter set; The sixth parameter set is used to indicate whether to measure the signal quality of one or more neighboring cells under non-perceptual services.

46. ​​The method according to any one of claims 40 to 45, wherein, The measurement of signal quality of the one or more neighboring cells includes: The signal quality of the first type of cell in one or more neighboring cells is measured; and / or, The signal quality of the second type of cell in one or more neighboring cells is measured.

47. The method according to any one of claims 40 to 46, wherein, The sixth piece of information includes a seventh set of parameters, the type of which is the same as the type of the eighth set of parameters; or... The sixth information includes the fourth offset value and the eighth parameter set; The eighth parameter set is used to indicate the parameter set related to the first condition and / or the second condition under non-aware service conditions.

48. The method according to any one of claims 40 to 47, wherein, The sixth information is used to rank the signal quality of the first type of cells in the one or more cells based on the second criterion, and the ranking result is used to determine whether the first type of cells meets the first condition. And / or, The sixth piece of information is used to indicate a threshold value related to signal quality, the threshold value being used to determine the first [cell] in the one or more cells. Does the second type of community meet the second condition? 49. The method according to any one of claims 40 to 48, wherein, The sensing capabilities of network devices include one or more of the following: Does the network equipment support sensing services? The types of sensing services supported by network devices; The sensing modes supported by network devices; Can network devices serve as sensing and transmitting nodes? Can network devices serve as sensing and receiving nodes? The sensing accuracy of network devices.

50. The method according to any one of claims 40 to 49, wherein, The first information is configured for the one or more cells, or for the frequency points corresponding to the one or more cells.

51. The method according to any one of claims 40 to 50, wherein, Under the perception service, if the first candidate cell meets the third condition, then the first candidate cell is allowed to be used as the cell where the terminal device camps. The third condition includes: The first criterion is met; and / or, The corresponding network equipment can support sensing services, or can support the sensing services being executed by the terminal equipment.

52. The method according to any one of claims 40 to 50, wherein, Under the perception service, if there is a first cell in the first type of cells that meets the first condition and / or the fourth condition, then the first cell is allowed to be used as the cell where the terminal device camps; and / or, Under the perception service, if there is a second cell in the second type of cell that meets the second condition and / or the fourth condition, then the second cell is allowed to be the cell where the terminal device camps. The fourth condition packet: the corresponding network device can support sensing services, or can support the sensing services that the terminal device is currently executing.

53. The method according to any one of claims 39 to 52, wherein, The terminal device is in an idle or inactive state when it receives the first information.

54. The method according to any one of claims 39 to 53, wherein, The first information is carried via system messages or radio resource control signaling.

55. The method according to claim 39, wherein, The first information is used to indicate one or more cells that support sensing services.

56. The method according to claim 55, wherein, The sensing services supported by the one or more cells are the sensing services executed by the terminal device.

57. The method according to claim 55 or 56, wherein, Under the perception service, if there is a cell among the one or more cells that meets the first criterion, then the cell that meets the first criterion is allowed to be the cell where the terminal device camps; the first criterion is used to evaluate the signal quality of the cell during the cell selection process.

58. The method according to claim 55 or 56, wherein, Under the perception service, if a first type of cell exists among the one or more cells, and a cell in the first type of cell meets a first condition, then the cell meeting the first condition is allowed to be used as the cell where the terminal device camps; and / or, Under the perception service, if there is a second type of cell among the one or more cells, and there is a cell among the second type of cells that meets the second condition, then the cell that meets the second condition is allowed to be used as the cell where the terminal device camps. The first condition and / or the second condition are used to evaluate the signal quality of the cell during the cell reselection process.

59. The method according to any one of claims 55 to 58, wherein, The terminal device is in a connected state when it receives the first information.

60. The method according to any one of claims 55 to 59, wherein, The network device is a sensing function network element or a base station.

61. The method according to any one of claims 55 to 60, wherein, The first information is carried via radio resource control signaling; or, The first information is carried through sensing signaling, which is associated with the sensing service executed by the terminal device.

62. The method according to any one of claims 40 to 52, 58, wherein, The first type of cell corresponds to the same frequency point or frequency point priority as the serving cell of the terminal device. The second type of cell corresponds to a different frequency point or frequency point priority than the serving cell of the terminal device, or the second type of cell... The communication system is different from the one serving the terminal device.

63. The method according to any one of claims 39 to 62, wherein, The terminal device is currently performing a sensing service.

64. A communication device having a sensing service, the device comprising: The first communication unit is configured to receive first information, which is used by the device to perform cell selection or cell reselection for sensing services.

65. A communication device, the device comprising: The second communication unit is configured to send first information to the terminal device, the first information being used by the terminal device to perform cell selection or cell reselection for sensing services.

66. A communication device, the communication device comprising: Memory, used to store computer programs; A processor, connected to the memory, is configured to call and run the computer program from the memory to implement the method as described in any one of claims 1 to 38, or the method as described in any one of claims 39 to 63; A transceiver is used to receive and send information when exchanging information with other devices.

67. A chip, the chip comprising: A processor for retrieving and running a computer program from memory, causing a device having the chip mounted to perform the method as claimed in any one of claims 1 to 38, or the method as claimed in any one of claims 39 to 63; A transceiver is used to receive and send information during the exchange of information with a device or chip.

68. A computer-readable storage medium for storing a computer program that causes a computer to perform the method as claimed in any one of claims 1 to 38, or the method as claimed in any one of claims 39 to 63.

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