Communication method and apparatus and storage medium

Abstract

The present application provides a communication method and apparatus and a storage medium, which can effectively reduce signaling overhead. The method comprises: a network device sends first information to a terminal device, the first information comprising at least one first measurement resource and at least one first reporting mode associated with an LTM type, and at least one second measurement resource and at least one second reporting mode associated with an L3 mobility type; that is, the first information uses a unified signaling format to represent measurement resources, reporting modes, and the like associated with different mobility types (including the LTM type and the L3 mobility type). Correspondingly, the terminal device receives the first information from the network device, and performs LTM and / or L3 mobility on the basis of the first information.

Description

Communication methods, devices and storage media

[0001] This application claims priority to Chinese Patent Application No. 202411222235.5, filed on August 30, 2024, entitled "Communication Method, Apparatus and Storage Medium", the entire contents of which are incorporated herein by reference. Technical Field

[0002] This application relates to the field of communication technology, and in particular to a communication method, apparatus and storage medium. Background Technology

[0003] Wireless communication systems include Layer 1 (L1) triggered handovers and Layer 3 (L3) triggered handovers. L3-triggered handovers, due to the need for handover configuration to pass through the radio resource control (RRC) layer, result in longer mobility interruption times. In contrast, L1-triggered handovers can respond more quickly to changes in the radio channel, switching the terminal device to the target cell and reducing the probability of radio link failure. However, L1-triggered handovers may also experience frequent changes in measurement results due to channel fluctuations, leading to ping-pong handovers, increasing signaling overhead and reducing the handover failure rate.

[0004] To fully leverage the advantages of L1 and L3 handover, the network side typically needs to distribute both L1 and L3 handover configurations. However, since the current L1 and L3 handover configurations use separate signaling formats, distributing these configurations incurs significant signaling overhead. Summary of the Invention

[0005] This application provides a communication method, apparatus, and storage medium to reduce signaling overhead.

[0006] Firstly, this application provides a communication method applicable to a communication device. For example, the communication device may be a terminal device, or a component configured within the terminal device (such as a chip, chip system, etc.), or a logic module or software capable of implementing all or part of the terminal device's functions; this application does not limit the scope of the application in this regard. For ease of understanding and explanation, the method will be described below using a terminal device as an example of a communication device.

[0007] For example, the method includes: receiving first information, the first information including at least one first measurement resource and at least one first reporting method associated with a lower-layer triggered mobility (LTM) type, and at least one second measurement resource and at least one second reporting method associated with an L3 mobility type; and performing the LTM and / or the L3 mobility based on the first information.

[0008] Based on this technical solution, the first information received by the terminal device carries at least one first measurement resource and at least one first reporting method associated with the LTM type, and at least one second measurement resource and at least one second reporting method associated with the L3 mobility type; that is, the first information carries multiple measurement resources and multiple reporting methods, and these multiple measurement resources and multiple methods can be associated with different mobility types. Since both LTM and L3 mobility require related configurations for measurement (e.g., LTM requires measurement resources, and L3 mobility requires measurement configurations) and reporting methods, compared to the method of separately configuring LTM-related measurement resources and reporting methods and L3 mobility-related measurement configurations and reporting methods, this method of carrying measurement resources through the same information / same signaling format allows LTM and L3 mobility to use measurement resources from multiple measurement resources carried by the same information, which can effectively reduce signaling overhead (e.g., if the first information carries measurement resource 1, this measurement resource 1 can be used when performing LTM, and it can also be used when performing L3 mobility; the measurement resource only needs to be configured once).

[0009] Measurement resources refer to one or more of the following resources corresponding to the measurement-related reference signal: time-domain resources, frequency-domain resources, or polarization-domain resources. At least one first measurement resource and at least one second measurement resource can be identified by a resource index.

[0010] Optionally, at least one first reporting method includes periodic reporting, semi-periodic (or semi-static) reporting, and event-triggered reporting, and at least one second reporting method includes periodic reporting, semi-periodic reporting, and event-triggered reporting.

[0011] In this application, LTM can be replaced with L1 movement or L2 movement.

[0012] In conjunction with the first aspect, in some implementations of the first aspect, the step of performing LTM and / or L3 movement based on the first information includes: determining the first candidate configuration from at least one candidate configuration; and performing the LTM and / or the L3 movement based on the first candidate configuration and a first reference configuration.

[0013] Optionally, the terminal device performs LTM and / or L3 movement based on a first candidate configuration and a first reference configuration, including: the terminal device determining one or more measurement resources and a reporting method associated with a first movement type in the first reference configuration based on the first candidate configuration; and performing LTM and / or L3 movement based on the one or more measurement resources and the reporting method.

[0014] In conjunction with the first aspect, in some implementations of the first aspect, determining the first candidate configuration from at least one candidate configuration includes: receiving second information, the second information being used to determine the first candidate configuration; and determining the first candidate configuration from at least one candidate configuration based on the first information.

[0015] Alternatively, the second information may be used to activate the first candidate configuration; or, the second information may be used to indicate the first candidate configuration.

[0016] In conjunction with the first aspect, in some implementations of the first aspect, the at least one candidate configuration corresponds to at least one time period, and any two time periods in the at least one time period do not overlap; determining the first candidate configuration from the at least one candidate configuration includes: determining that the clock of the terminal device is located in a first time period in the at least one time period; and determining the first candidate configuration from the at least one candidate configuration based on the first time period and the correspondence between the at least one time period and the at least one candidate configuration.

[0017] Optionally, the correspondence between at least one time period and the at least one candidate configuration can be predefined or indicated by the network side.

[0018] It is understood that each time period in at least one time period can correspond to one or more candidate configurations. In this way, after determining its own clock, the terminal device can determine the corresponding candidate configuration based on the time period to which the current clock belongs. In this application, the first time period corresponds to the first candidate configuration.

[0019] In conjunction with the first aspect, in some implementations of the first aspect, the at least one candidate configuration corresponds to at least one region, and any two regions in the at least one region do not overlap; determining the first candidate configuration from the at least one candidate configuration includes: determining that the location of the terminal device is in a first region of the at least one region; and determining the first candidate configuration from the at least one candidate configuration based on the first region and the correspondence between the at least one region and the at least one candidate configuration.

[0020] Optionally, the correspondence between at least one region and at least one candidate configuration can be predefined or indicated by the network side.

[0021] Optionally, at least one region can be characterized by geographic location coordinates, geographic location identifiers, wave position identifiers, latitude and longitude information, or distance from a reference location less than a threshold.

[0022] It is understood that each region within at least one area can correspond to one or more candidate configurations. In this way, after determining its own region, the terminal device can further determine the candidate configuration corresponding to that region. In this application, the first region corresponds to the first candidate configuration.

[0023] In conjunction with the first aspect, in some implementations of the first aspect, the method further includes: sending third information, the third information being used to request an update to the first reference configuration and / or the at least one candidate configuration.

[0024] For example, the terminal device may trigger an L3 mobility request and send third information if the measurement finds that the strongest cell / beam set is not in the configured measurement resource list; or, in a multi-coverage scenario (i.e., a terminal in a certain area can be served by multiple satellites / cells), the terminal device may send third information when the number of valid candidate configurations is less than a given threshold.

[0025] Secondly, this application provides a communication method that can be applied to a communication device. For example, the communication device can be a network device, or a component configured within the network device (such as a chip, chip system, etc.), or a logic module or software capable of implementing all or part of the functions of the network device; this application does not limit this. For ease of understanding and explanation, the method will be described below using a network device as an example of a communication device.

[0026] For example, the method includes: generating first information, the first information including at least one first measurement resource and at least one first reporting method associated with an LTM type, and at least one second measurement resource and at least one second reporting method associated with an L3 mobility type; and sending the first information.

[0027] For a description of measurement resources and reporting methods, please refer to the description in the first part above, which will not be repeated here.

[0028] Based on this technical solution, the network device carries in the first information sent to the terminal device at least one first measurement resource associated with the LTM type and at least one first reporting method, as well as at least one second measurement resource associated with the L3 mobility type and at least one second reporting method; that is, the first information carries multiple measurement resources and multiple reporting methods, and these multiple measurement resources and multiple methods can be associated with different mobility types. Since both LTM and L3 mobility require related configurations for measurement (e.g., LTM requires measurement resources, and L3 mobility requires measurement configurations) and reporting methods, compared with the current method of separating the measurement resources and reporting methods associated with LTM and the measurement configurations and reporting methods associated with L3 mobility, this method of carrying measurement resources in the same information allows LTM and L3 mobility to use the resource methods among the multiple resources carried in the same information, which can effectively reduce signaling overhead (e.g., if the first information carries measurement resource 1, this measurement resource 1 can be used when performing LTM, and it can also be used when performing L3 mobility; the measurement resource only needs to be configured once).

[0029] In conjunction with the second aspect, in some implementations of the second aspect, the at least one candidate configuration corresponds to at least one time period, and any two time periods in the at least one time period do not overlap.

[0030] It is understood that each time period in at least one time period can correspond to one or more candidate configurations.

[0031] In conjunction with the second aspect, in some implementations of the second aspect, the at least one candidate configuration corresponds to at least one region, and any two regions in the at least one region do not overlap.

[0032] For a description of at least one region, please refer to the relevant description in the first aspect, which will not be repeated here.

[0033] It is understood that each region in at least one region can correspond to one or more candidate configurations.

[0034] In conjunction with the second aspect, in some implementations of the second aspect, the method further includes: sending second information, the second information being used to determine the first candidate configuration.

[0035] For a description of the second piece of information, please refer to the relevant description in the first aspect; it will not be repeated here.

[0036] In conjunction with the second aspect, in some implementations of the second aspect, the method further includes: receiving third information, the third information being used to request an update to the first reference configuration and / or the at least one candidate configuration.

[0037] For a description of the third piece of information, please refer to the relevant description in the first aspect; it will not be repeated here.

[0038] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first mobility type is determined based on one of the following: the track type of the source cell and the target cell, the handover type, the transmission path delay between the source cell and the target cell, or the reference signal type; the first mobility type is the LTM type or the L3 mobility type.

[0039] The track types of the source cell and the target cell include whether the source cell and the target cell are on the same track or on different tracks; the handover types include network-triggered handover and terminal-triggered handover; and the reference signal types include NCD-SSB and CD-SSB.

[0040] For example, the source cell and the target cell are on the same orbit and the first movement type is the LTM type, or the source cell and the target cell are on different orbits and the first movement type is the L3 movement type.

[0041] The handover type is a network-triggered handover, the first movement type is the LTM type, and the handover type is a terminal device-triggered handover, the first movement type is the L3 movement type.

[0042] The transmission path delay between the source cell and the target cell is greater than a first preset value, and the first mobility type is the L3 mobility type. The transmission path delay between the source cell and the target cell is less than or equal to the first preset value, and the first mobility type is the LTM type.

[0043] The reference signal is of type NCD-SSB, the first motion type is the LTM type, the reference signal is of type CD-SSB, and the first motion type is the L3 motion type.

[0044] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first information further includes a movement type indication field, the movement type including the LTM type or the L3 movement type.

[0045] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first information further includes one or more of the following: at least one first measurement event associated with the LTM type, at least one second measurement event associated with the L3 mobility type, at least one first filter coefficient associated with the LTM type, or at least one second filter coefficient associated with the L3 mobility type.

[0046] Wherein, the at least one first filter coefficient is used to filter the first measurement result, the first measurement result being obtained by measuring the at least one first measurement resource; the at least one second filter coefficient is used to filter the second measurement result, the second measurement result being obtained by measuring the at least one second measurement resource.

[0047] The aforementioned measurement events are a set of mechanisms defined by the 3rd Generation Partnership Project (3GPP) protocol, instructing terminal equipment on how to perform cell measurements and what to actually report the measurement results. Measurement events characterize a cell's signal strength or signal quality status. Measurement events include signal-based Ax / Bx measurement events, such as A1, A2, A3, A4, A5, A6, and B1 and B2 events.

[0048] In conjunction with the first and second aspects, in certain implementations of the first and second aspects, the first information includes a first reference configuration, which includes the measurement resource set and the reporting method set; wherein, the at least one first measurement resource and the at least one second measurement resource belong to the measurement resource set, and the at least one first reporting method and the at least one second reporting method belong to the reporting method set.

[0049] Optionally, the first reference configuration corresponds to a first preset time period, and / or the first reference configuration corresponds to a first preset geographical region.

[0050] Optionally, the first information may further include a second reference configuration, which may also include a set of measurement resources and a set of reporting methods. It is understood that the measurement resources in the sets of measurement resources included in the first and second reference configurations are not entirely the same. That is, the first information may include at least one reference configuration; each of the at least one reference configuration may correspond to a preset time period and / or a preset geographical area.

[0051] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first information further includes at least one candidate configuration, wherein the first candidate configuration in the at least one candidate configuration is used to determine one or more measurement resources associated with the first mobility type from the measurement resource set, and to determine a reporting method associated with the first mobility type from the reporting method set; the first mobility type is the LTM type or the L3 mobility type.

[0052] It is understood that the terminal device may determine one or more measurement resources based on any two candidate configurations in at least one candidate configuration, and the reporting method may be the same or different.

[0053] Specifically, the first candidate configuration may include information about the first mobility type, a list of measurement resources associated with the first mobility type, or an identifier of the reporting method associated with the first mobility type. It is understood that each list of measurement resources may include one or more measurement resources, and the measurement resources in each list can be indicated by a resource index (RI).

[0054] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first candidate configuration includes one or more of the following: ephemeris information, time advanced (TA) information, service time period information, ephemeris validity period, or scheduling offset information.

[0055] The ephemeris information includes the satellite's position and speed of movement; the TA information includes the common TA and the rate of change of the TA.

[0056] In conjunction with the first and second aspects, in some implementations of the first and second aspects, the first information further includes the measurement time of at least one first synchronization signal block (SSB) associated with the LTM type, and / or, at least one measurement gap.

[0057] Optionally, the first information may also include at least one second SSB measurement time associated with the L3 movement type management, and / or at least one measurement gap.

[0058] The measurement gap is the time interval during which the terminal device leaves the current frequency point to measure at another frequency point.

[0059] For example, the SSB measurement time can be determined by configuring the measurement period (i.e., the repetition period of the measurement action), the measurement bias (i.e., the starting subframe of the measurement action within the period), and the measurement duration (i.e., the duration the measurement action should last after it starts).

[0060] It is understandable that the measurement periods corresponding to the first SSB measurement time and the second SSB measurement time can be different, the measurement bias can be different, or the measurement duration can be different. Alternatively, the first SSB measurement time and the second SSB measurement time can be the same.

[0061] Thirdly, this application provides a communication device, including modules or units for implementing the methods of any of the above aspects and any possible implementations of any of the above aspects. It should be understood that each module or unit can implement its corresponding function by executing a computer program.

[0062] Fourthly, this application provides a communication device including a processor, the processor being configured to perform the methods described in any of the foregoing aspects and any possible implementations of any of the foregoing aspects.

[0063] The apparatus may further include a memory for storing instructions and data. The memory is coupled to the processor, which, when executing the instructions stored in the memory, can implement the methods described in the foregoing aspects.

[0064] The device may also include a communication interface for communicating with other devices. For example, the communication interface may be a transceiver, circuit, bus, module or other type of communication interface.

[0065] Fifthly, this application provides a chip system including at least one processor for supporting the implementation of the functions involved in any of the above aspects and any possible implementations of any of the above aspects, such as receiving or processing data and / or information involved in the above methods.

[0066] In one possible design, the chip system also includes a memory for storing program instructions and data, which may be located within or outside the processor.

[0067] The chip system can consist of chips or include chips and other discrete components.

[0068] Sixthly, this application provides a computer-readable storage medium including a computer program that, when run on a computer, causes the computer to implement the methods in any of the above aspects and any possible implementations of any of the above aspects.

[0069] In a seventh aspect, this application provides a computer program product comprising: a computer program (also referred to as code or instructions) that, when run, causes a computer to perform the methods described in any of the above aspects and any possible implementations of any of the above aspects.

[0070] Eighthly, this application provides a communication system including the aforementioned terminal device and network device. The terminal device is used to implement the methods of the first aspect and any possible implementation thereof, and the network device is used to implement the methods of the second aspect and any possible implementation thereof.

[0071] It should be understood that the third to eighth aspects of this application correspond to the technical solutions of the first or second aspects of this application, and the beneficial effects achieved by each aspect and the corresponding feasible implementation are similar, and will not be repeated here. Attached Figure Description

[0072] Figure 1 is a schematic diagram of the architecture of a communication system applicable to the method provided in the embodiments of this application;

[0073] Figure 2 is a schematic diagram illustrating the change in satellite coverage area as the satellite moves, provided in an embodiment of this application.

[0074] Figure 3 is a schematic diagram of group handover provided in an embodiment of this application;

[0075] Figure 4 is a flowchart illustrating a switching method provided in an embodiment of this application;

[0076] Figure 5 is a flowchart illustrating another switching method provided in an embodiment of this application;

[0077] Figure 6 is a schematic flowchart of the communication method provided in an embodiment of this application;

[0078] Figure 7 is a schematic diagram of obtaining measurement results provided in an embodiment of this application;

[0079] Figure 8 is a schematic block diagram of the device provided in an embodiment of this application;

[0080] Figure 9 is another schematic block diagram of the device provided in the embodiments of this application. Detailed Implementation

[0081] The technical solutions in this application will now be described with reference to the accompanying drawings.

[0082] To facilitate understanding of the embodiments of this application, the following points are explained first:

[0083] First, in the embodiments of this application, the use of prefixes such as "first" and "second" is merely for the purpose of distinguishing and describing different things belonging to the same name category, and does not constrain the order, size, or quantity of things. For example, "first filter coefficient" and "second filter coefficient" are simply different filter coefficients, and there is no temporal order, size, or priority relationship between them.

[0084] Second, in the embodiments of this application, "send" and "receive" indicate the direction of signal transmission. For example, "send first information to the terminal device" can be understood as the destination of the information being the terminal device, which may include direct transmission via the air interface or indirect transmission via the air interface by other units or modules. "Receive third information from the network device" can be understood as the source of the third information being the network device, which may include direct reception from the network device via the air interface or indirect reception from the network device via the air interface by other units or modules. "Send" can also be understood as the "output" of the chip interface, and "receive" can also be understood as the "input" of the chip interface.

[0085] In other words, sending and receiving can occur between devices, such as between network devices and terminal devices; or they can occur within a device, such as between components, modules, chips, software modules, or hardware modules within a device via a bus, wiring, or interface.

[0086] It is understandable that information may undergo necessary processing, such as encoding and modulation, before being sent from the source to the destination. Similarly, the destination, upon receiving information from the source, can also perform corresponding processing, such as decoding and demodulation, to interpret the valid information from the source. Similar expressions in this application can be understood in a similar way and will not be elaborated further.

[0087] Third, in the embodiments of this application, "at least one" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone, where A and B can be singular or plural. The character " / " generally indicates an "or" relationship between the preceding and following related objects, but it does not exclude the possibility of indicating an "and" relationship. The specific meaning can be understood in conjunction with the context. "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b, or c can represent: a, b, c; a and b; a and c; b and c; or a and b and c. Here, a, b, and c can be single or multiple.

[0088] Fourth, in the embodiments of this application, "instruction" can include direct instruction and indirect instruction, as well as explicit instruction and implicit instruction. The information indicated by a certain piece of information is called the information to be instructed. In the specific implementation process, there are many ways to instruct the information to be instructed, such as, but not limited to, directly instructing the information to be instructed, such as the information to be instructed itself or its index. It can also indirectly instruct the information to be instructed by instructing other information, where there is a relationship between the other information and the information to be instructed; or it can only instruct a part of the information to be instructed, while the other parts of the information to be instructed are known or pre-agreed upon. For example, the instruction of specific information can be achieved by using a pre-agreed (e.g., protocol predefined) arrangement order of various pieces of information, thereby reducing instruction overhead to a certain extent. This application does not limit the specific method of instruction.

[0089] It is understandable that, for the sender of the instruction information, the instruction information can be used to indicate the information to be indicated, and for the receiver of the instruction information, the instruction information can be used to determine the information to be indicated.

[0090] Fifth, the tables in the embodiments of this application are merely examples. The values ​​of the information in each table are only examples and can be configured to other values; this application is not limited thereto. The tables do not limit the scope of protection of this application. For example, appropriate modifications and adjustments can be made based on the tables described above, such as splitting, merging, etc. Furthermore, the parameter names shown in the headings of each table can also use other names understandable to the communication device, and the values ​​or representations of the parameters can also be other values ​​or representations understandable to the communication device. Moreover, in the implementation of the above tables, other data structures can also be used, such as arrays, queues, containers, stacks, linear lists, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables, etc.

[0091] Sixth, in the embodiments of this application, descriptions such as "when," "under the circumstances," "if," and "if" all refer to the fact that the device (e.g., network device or terminal device) will make corresponding processing under certain objective circumstances. They are not time limits, nor do they require the device (e.g., network device or terminal device) to make a judgment action when implementing it, nor do they mean that there are other limitations.

[0092] Seventh, the predefined terms in this application can be understood as: definition, pre-defined, storage, pre-storage, pre-negotiation, pre-configuration, solidification, or pre-firing.

[0093] The technical solutions provided in this application can be applied to various communication systems, such as: Long Term Evolution (LTE) systems, LTE Frequency Division Duplex (FDD) systems, LTE Time Division Duplex (TDD) systems, sidelink (SL) communication systems, 5th generation (5G) mobile communication systems or new radio access technology (NR), satellite communication systems, etc. Among them, 5G mobile communication systems can include non-standalone (NSA) and / or standalone (SA) networks.

[0094] The technical solution provided in this application can also be applied to future communication networks.

[0095] The radio access network (RAN) device in this application is a device with wireless transceiver capabilities. The RAN device can provide wireless communication services, allowing terminals to access the wireless network. The RAN device can be a node in the radio access network, referred to as an RAN node.

[0096] In one possible scenario, a RAN node can be a base station (BS), an evolved NodeB (eNodeB), a transmission reception point (TRP), an integrated access and backhaul (IAB), a wireless access and backhaul (WAB), a home evolved NodeB (HNB), a Wi-Fi access point (AP), a mobile switching center, a next-generation NodeB (gNB) in a 5G mobile communication system, a next-generation base station in a 6G mobile communication system, or a base station in a future mobile communication system. A RAN node can also be a device that performs base station functions in device-to-device (D2D) communication systems, vehicle-to-everything (V2X) communication systems, machine-to-machine (M2M) communication systems, and internet-to-things (IoT) communication systems. RAN nodes can also be RAN nodes in non-terrestrial networks (NTNs), meaning they can be deployed on high-altitude platforms or satellites. RAN nodes can be macro base stations, micro base stations, indoor stations, relay nodes, donor nodes, or radio controllers in cloud radio access networks (CRAN) scenarios, or nodes in open radio access networks (O-RAN or ORAN) scenarios. Optionally, RAN nodes can also be servers, wearable devices, vehicles, or in-vehicle equipment. For example, in V2X technology, RAN nodes can be roadside units (RSUs). Of course, RAN nodes can also be nodes in the core network.

[0097] In another possible scenario, multiple RAN nodes collaborate to assist the terminal in achieving wireless access, with each RAN node performing a portion of the base station's functions. For example, RAN nodes can be central units (CUs), distributed units (DUs), CU-control plane (CPs), CU-user plane (UPs), or radio units (RUs), etc. CUs and DUs can be separate entities or included in the same network element, such as a baseband unit (BBU). RUs can be included in radio frequency equipment or radio frequency units, such as remote radio units (RRUs), active antenna units (AAUs), or remote radio heads (RRHs).

[0098] In different systems, CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art will understand their meaning. For example, in the ORAN system, CU can also be called open CU (O-CU), DU can also be called open DU (O-DU), CU-CP can also be called open CU-CP (O-CU-CP), CU-UP can also be called open CU-UP (O-CU-UP), and RU can also be called open RU (O-RU).

[0099] Any one of the CU (or CU-CP, CU-UP), DU, and RU units can be implemented through software modules, hardware modules, or a combination of software and hardware modules. That is, the wireless access network device in this application can be a virtualized device, for example, implemented through general-purpose hardware and instantiated virtualization functions, or dedicated hardware and instantiated virtualization functions. The general-purpose hardware can be a server, such as a cloud server.

[0100] The terminal equipment in this application may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent, or user apparatus. The terms "terminal," "terminal equipment," or "UE" may appear interchangeably in this application.

[0101] Terminal devices can be devices that provide voice / data connectivity to users, such as handheld devices with wireless connectivity, in-vehicle devices, etc. Currently, examples of terminal devices include: mobile phones, tablets, computers with wireless transceiver capabilities (such as laptops and PDAs), mobile internet devices (MIDs), virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving vehicles, drones, wireless terminals in remote medical care, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, in-vehicle devices, wearable devices, terminal devices in 5G networks, or future public land mobile communication networks. Terminal equipment in a mobile network (PLMN), etc.

[0102] Wearable devices, also known as wearable smart devices, are a general term for devices that utilize wearable technology to intelligently design and develop everyday wearables, such as glasses, gloves, watches, clothing, and shoes. Wearable devices are portable devices worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not merely hardware devices; they achieve powerful functions through software support, data interaction, and cloud interaction. Broadly defined, wearable smart devices include those with comprehensive functions, large sizes, and the ability to perform complete or partial functions without relying on a smartphone, such as smartwatches or smart glasses. They also include devices focused on a specific application function that require the use of other devices, such as smart bracelets and smart jewelry for vital sign monitoring.

[0103] Furthermore, terminal devices can also be terminal devices within IoT systems. IoT is a crucial component of future information technology development, its main technological characteristic being the connection of objects to networks via communication technologies, thereby achieving intelligent networks that enable human-machine and machine-to-machine interconnection. IoT technology, for example, can achieve massive connectivity, deep coverage, and low power consumption at the terminal level through narrowband (NB) technology.

[0104] In addition, terminal devices may also include sensors such as smart printers, train detectors, and gas stations. Their main functions include collecting data (for some terminal devices), receiving control information and downlink data from network devices, and sending electromagnetic waves to transmit uplink data to network devices.

[0105] The terminal device in this application can be a virtualized device, for example, implemented through general-purpose hardware and instantiated virtualization functions, or dedicated hardware and instantiated virtualization functions. The general-purpose hardware can be a server, such as a cloud server.

[0106] It should be understood that this application does not limit the specific form of wireless access network equipment and terminal equipment.

[0107] Figure 1 is a schematic diagram of the architecture of a communication system 100 applicable to the method provided in the embodiments of this application. As shown in Figure 1, the communication system 100 includes a wireless access network 10 and a core network 20. Optionally, the communication system 100 may also include an Internet 30. The wireless access network 10 may include at least one wireless access network device (110a and 110b in Figure 1) and at least one terminal device (120a-120j in Figure 1).

[0108] Terminal devices can connect to radio access network (RAN) devices wirelessly, and RAN devices can connect to the core network wirelessly or via wired connections. Core network devices and RAN devices can be independent, separate physical devices, or they can integrate the functions of core network devices and the logical functions of RAN devices onto a single physical device. Alternatively, a single physical device can integrate some core network device functions and some RAN device functions. Terminals and RAN devices can connect to each other via wired or wireless connections.

[0109] Communication between wireless access network devices and terminals, between wireless access network devices, and between terminals can be conducted using licensed spectrum, unlicensed spectrum, or both simultaneously. Communication can be conducted using spectrum below 6 GHz, spectrum above 6 GHz, or both simultaneously. The embodiments of this application do not limit the spectrum resources used for wireless communication.

[0110] Among them, the wireless access network equipment can be a base station deployed in the air, such as a satellite base station 110a; or it can be a base station deployed indoors, such as a micro base station or an indoor station 110b.

[0111] The terminal can be an airborne terminal, such as a helicopter or drone 120i in Figure 1; or a ground-based terminal, such as mobile phones 120a, 120e, 120f and 120j, vehicle 120b, computer 110b, printer 120h, etc. in Figure 1.

[0112] Wireless access network equipment and terminals can be fixed or mobile. For example, wireless access network equipment and terminals can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites.

[0113] The roles of wireless access network devices and terminals can be relative. For example, the helicopter or drone 120i in Figure 1 can be configured as a mobile base station. For those 120j accessing the wireless access network 10 via 120i, 120i is a base station; but for 110a, 120i is a terminal, meaning that 110a and 120i communicate via a wireless air interface protocol. Of course, 110a and 120i can also communicate via an interface protocol between wireless access network devices. In this case, relative to 110a, 120i is also a base station. Therefore, both wireless access network devices and terminals can be collectively referred to as communication devices. 110a, 110b, and 120a-120j in Figure 1 can be called communication devices with their respective corresponding functions, such as communication devices with base station functions or communication devices with terminal functions.

[0114] It should be understood that Figure 1 is only a schematic diagram. The communication system may also include other devices, such as wireless relay devices and wireless backhaul devices, which are not shown in Figure 1.

[0115] To facilitate understanding of the embodiments of this application, definitions of technical terms that may appear in the embodiments of this application are given below. The terminology used in the implementation section of this application is only used to explain specific embodiments of this application and is not intended to limit this application.

[0116] I. Non-terrestrial networks (NTN).

[0117] NTN comprises nodes such as satellite networks, high-altitude platforms, and unmanned aerial vehicles (UAVs). NTN offers advantages such as global coverage, long-distance transmission, flexible networking, convenient deployment, and lack of geographical limitations, making it applicable to various fields including maritime communication, positioning and navigation, disaster relief, scientific experiments, video broadcasting, and Earth observation.

[0118] II. NTN beam operating mode.

[0119] Taking satellite communication as an example, based on the working mode of the payload (such as the beam), satellite communication systems can generally be divided into staring (earth-fixed or quasi-earth fixed) and non-staring (earth-moving) systems. A non-staring system refers to a system where the satellite beam coverage area moves along with the satellite over a period of time; specifically, as shown in Figure 2(a), the satellite's coverage area at time T1 is region 1, at time T2 is region 2, and at time T3 is region 3. A staring system refers to a system where the satellite dynamically adjusts its beam direction over a period of time to make the beam approximately cover the same area of ​​the ground; specifically, as shown in Figure 2(b), the satellite's coverage area 1 at time T1, region 2 at time T2, and region 3 at time T3 are approximately the same area.

[0120] III. Wave position.

[0121] The service area of ​​a satellite network is divided into multiple smaller geographical regions, each called a position. For example, positions can be represented by different shapes (such as squares, rectangles, circles, ellipses, pentagons, hexagons, etc.).

[0122] IV. Measurement.

[0123] Measurements can be categorized into beam-level measurements and cell-level measurements. Beam-level measurements refer to the network's ability to configure terminal devices to measure and report information related to one or more beams within a cell, such as beam identifiers and / or measurement results. Cell-level measurements involve terminal devices, according to network configuration, measuring one or more beams within a cell and then performing Layer 3 averaging on the measurement results to obtain the cell's measurement outcome. In connected mode, after obtaining beam quality at the physical layer, Layer 1 filtering can be performed. After Layer 1 filtering, cell quality can be obtained at the RRC layer by selecting one or more suitable beams, and Layer 3 filtering can then be performed.

[0124] Layer 1 measurement: Layer 1 measurement typically refers to beam-level measurement. Beam-level measurement includes at least one of the following: synchronization signal block (SSB) measurement, channel state information reference signal (CSI-RS), and tracking reference signal (TRS). The SSB can be composed of three parts: primary synchronization signals (PSS), secondary synchronization signals (SSS), and physical broadcast channel (PBCH).

[0125] Layer 3 measurement: In some cases, Layer 3 measurement refers to radio resource management (RRM) measurement. In others, it is a cell-level measurement. In still others, RRM measurement can be understood as Layer 3 measurement.

[0126] V. Measurement Events.

[0127] Measurement events may include at least one of the following: A1 measurement event, A2 measurement event, A3 measurement event, A4 measurement event, A5 measurement event, B1 measurement event, and B2 measurement event.

[0128] The trigger conditions for measurement events are as follows: A1 is triggered when the signal quality of the serving cell is higher than a threshold. Optionally, A1 can be used to disable the measurement function of certain cells. A2 is triggered when the signal quality of the serving cell is lower than a threshold. Optionally, after an A2 measurement event occurs, handover operations may occur, and it can be used to enable the measurement function of cells that meet the trigger conditions. A3 is triggered when the quality of a neighboring cell (on the same frequency / different frequency) is higher than the quality of the serving cell by an offset. Optionally, A3 can be used to determine whether the terminal device should hand over to a neighboring cell. A4 is triggered when the quality of a neighboring cell is higher than a threshold. A5 is triggered when the quality of the serving cell is lower than a threshold, and the quality of a neighboring cell is higher than a threshold. A6 is triggered when a neighboring cell is higher than the serving cell (e.g., scell) by an offset. B1 is triggered when the quality of a neighboring cell in a different system is higher than a threshold for the serving cell. B2 is triggered when the quality of the serving cell is lower than threshold 1, and the quality of a neighboring cell in a different system is higher than threshold 2.

[0129] This application does not impose any restrictions on the measurement events, the magnitude of each threshold / limit involved in the aforementioned measurement events, or the measurement reporting trigger conditions for the measurement results of the reported measurement events.

[0130] VI. Mobility Management.

[0131] Mobility management mainly includes cell handover, cell reselection, registration update, and tracking area update. In low Earth orbit (LEO) satellite communication systems, the movement of satellite nodes can cause group handover or group reselection issues for users within a certain area of ​​beams. Taking group handover as an example, as shown in Figure 3, at time T1, the coverage area of ​​satellite 1 is area 1 (area 1 includes beams (BW)1, BW2, BW3, BW4, BW5, and BW6), and the coverage area of ​​satellite 2 is area 2. At time T1, UE-G1 (which contains multiple UEs) within a single beam in area 2 is served by one or more beams of satellite 2. As the satellites move, at time T2, the coverage area of ​​satellite 1 changes to area 2, and the coverage area of ​​satellite 2 changes to area 3. Therefore, one or more beams of satellite 2 can no longer serve UE-G1 within a single beam in area 2, and one or more beams of satellite 1 take over from satellite 2 to serve UE-G1. Therefore, it is considered that UE-G1 has undergone group handover.

[0132] Furthermore, due to the relatively high speed of the satellites, approximately 7.5 kilometers per second (km / s), group handovers occur only once every few seconds to tens of seconds. In other words, in hopping-beam LEO satellite networks, group handovers primarily triggered by network mobility become the norm.

[0133] 7. Switching.

[0134] Handover is to ensure service continuity. The change of serving cell that occurs when a terminal device in the RRC connected state moves can also be called mobility.

[0135] Figure 4 is a flowchart illustrating a handover method provided in an embodiment of this application. The handover method 400 shown in Figure 4 is completed through layer 3 (L3) control (i.e., radio resource control (RRC) layer). As shown in Figure 4, the handover method 400 may include steps S401 to S409. The steps in method 400 are briefly described below. It can be understood that the handover shown in this method 400 may be referred to as L3 handover, L3 mobility handover, RRC handover, L3-triggered handover, or higher-layer handover, etc.

[0136] S401, the source base station sends the measurement configuration to the UE.

[0137] Optionally, this measurement configuration is a Layer 3 measurement configuration. The Layer 3 measurement configuration can be configured for the UE via measConfig.

[0138] For example, a Layer 3 measurement configuration may include the following parameters: measurement objective (MO), reporting configuration, quantity configuration, or measurement gap.

[0139] 1. The MO parameter provides a list of objects that the UE needs to measure. Layer 3 measurements can be performed per MO granularity. That is, for the frequency associated with this MO, the L3 measurement configuration for all cells on that frequency is the same. For NR MO, the UE measures and reports the measurement results of the serving cell, the listed cells, and / or the detected cells.

[0140] Network devices may provide an MO with a list of cell-related configurations, which may include cell identifiers and cell-specific offsets for event-triggered reporting.

[0141] 2. The reporting configuration parameters provide a list of reporting configurations, and each MO can have one or more reporting configurations. Each reporting configuration includes the reporting criteria that trigger the UE to send a measurement report, the reference signal (RS) type that the UE can use for beam and cell measurements, and the reporting format.

[0142] The reporting criteria that trigger the UE to send a measurement report can be periodically triggered or event-triggered. The reporting format is used to indicate the type of measurement quantity (e.g., Reference Signal Received Power (RSRP), Reference Signal Received Quality (RSRQ), Reference Signal to Interference Plus Noise Ratio (SINR), etc.) included by the UE in the measurement report for each cell and each beam, as well as other relevant information, such as the maximum number of cells that can be reported and the maximum number of beams per cell.

[0143] 3. The measurement configuration parameters define the measurement filtering configuration for event-triggered and periodically reported measurements.

[0144] 4. The measurement interval configuration parameter indicates the time period that the UE may use to perform measurements.

[0145] S402, the UE sends a measurement report to the source base station.

[0146] Optionally, the measurement report in step S402 is a Layer 3 measurement report or a Layer 3 measurement result. The Layer 3 measurement report may include the signal quality of the serving cell and neighboring cells.

[0147] S403, the source base station executes a handover decision.

[0148] The source base station can make handover decisions based on the measurement results in the L3 measurement report and / or its own handover algorithm. For example, if the signal quality of the source cell is poor, but the signal quality of the target cell is good, the base station can decide to trigger a handover.

[0149] S404, the source base station sends a handover request to the target base station.

[0150] If the source base station decides to trigger a handover, it sends a handover request to the target cell. This handover request may include the target cell identifier (ID), a key, the UE's ID in the source cell, and access layer configurations.

[0151] S405, the target base station performs access control.

[0152] S406, the target base station sends a handover request confirmation message to the source base station. This handover request confirmation message can be included in the confirmation message as an RRC container.

[0153] S407, the source base station sends a handover command to the UE.

[0154] The handover command can be sent via RRC reconfiguration message. This handover command may contain the information required to access the target cell, including at least the target cell identifier, the new UE ID, and the security algorithm identifier of the target base station.

[0155] Optionally, after receiving the handover command, the UE disconnects from the source cell.

[0156] S408, the UE performs a synchronization process with the target base station. This synchronization process can be achieved through the RACH procedure to access the target cell, after which the UE can transmit data with the target cell.

[0157] S409, the UE sends an RRC reconfiguration complete message to the target base station. This RRC reconfiguration complete message can be used to confirm the successful completion of the RRC reconfiguration process.

[0158] It is important to note that because the near-far effect is not significant in NTN (meaning the signal quality difference between the cell center and edge is not obvious), handover / reselection triggered solely by signal quality is inefficient. Therefore, NR / NTN incorporates location-assisted handover / reselection enhancement techniques, such as time / timer-based methods, UE location information (e.g., the UE's reference distance to the source cell is greater than threshold 1, and the UE's reference distance to the target cell is less than threshold 2), and combinations of timer / location and signal quality, to achieve mobility management in NTN networks.

[0159] 8. Lower-layer triggered mobility (LTM).

[0160] LTM can also be called low-layer handover, low-layer mobility, layer 1 (L1) / layer 2 (L2) handover, or L1 and / or L2 triggered handover. LTM is a handover method designed to reduce handover latency and downtime, improving user experience and service continuity for terminal devices. L1 / L2 handover can be triggered by L1 signaling (e.g., downlink control information (DCI)) and / or L2 signaling (e.g., medium access control-control element (MAC-CE)) to enable the terminal device to perform the handover.

[0161] The main idea of ​​the LTM process is as follows: The base station configures one or more candidate cells based on the measurement reports (e.g., RRM measurement reports or Layer 3 measurement reports) reported by the UE, and provides the UE with pre-configuration information of one or more candidate cells (which may be called LTM candidate cells) through RRC messages. After receiving the pre-configuration information from the base station, the UE sends a measurement report (e.g., a Layer 1 measurement report) to the base station, and the base station decides to trigger LTM handover based on the measurement reports reported by the UE.

[0162] Figure 5 is a flowchart illustrating another switching method provided in an embodiment of this application. The switching method 500 shown in Figure 5 is an L1 / L2 triggered switching. As shown in Figure 5, the switching method 500 may include steps S501 to S509. The steps in method 500 are briefly described below.

[0163] S501, the UE sends L3 measurement results based on the synchronization signal block (SSB) signal to the source cell of the network device. Correspondingly, the source cell of the network device receives the L3 measurement results from the UE.

[0164] The process of UE reporting L3 measurement results can be found in the description in Method 400, and will not be repeated here.

[0165] S502, the source cell of the network device decides to use LTM and prepares a set of candidate cells corresponding to LTM, which may include one or more cells.

[0166] S503, the source cell of the network device sends an RRC reconfiguration message to the UE, which contains configuration information for the candidate cell set. Correspondingly, the UE receives the RRC reconfiguration information from the source cell of the network device.

[0167] S504, the UE sends an RRC reconfiguration complete message to the source cell of the network device. Correspondingly, the source cell of the network device receives the RRC reconfiguration complete message from the UE.

[0168] S505, the UE completes uplink and downlink synchronization with the candidate cell.

[0169] S506, the UE obtains L1 measurement results related to candidate cells based on SSB.

[0170] S507, the UE sends the L1 measurement results to the source cell of the network device. Correspondingly, the source cell of the network device receives the L1 measurement results from the UE.

[0171] S508, the source cell of the network device sends information to the UE via MAC-CE indicating that the UE is switching to the target cell. Correspondingly, the UE receives this information from the source cell of the network device.

[0172] S509, the UE accesses the target cell and completes LTM.

[0173] The L3-triggered handover described above results in a relatively long mobility interruption time because the handover configuration needs to go through the RRC layer. Compared to L3-triggered handover, L1 / L2-triggered handover can respond to changes in the radio channel more quickly, switching the terminal device to the target cell and reducing the probability of radio link failure. However, L1 / L2-triggered handover may also introduce frequent handovers due to normal channel fluctuations. To fully utilize the advantages of L1 / L2 and L3 handover, it may be necessary to issue both L1 / L2 and L3 handover configurations. Issuing L1 / L2 and L3 handover configurations may incur significant signaling overhead.

[0174] In view of this, embodiments of this application provide a communication method, apparatus, and storage medium. In this method, by carrying at least one first measurement resource associated with the LTM type and at least one first reporting method, as well as at least one second measurement resource associated with the L3 mobility type and at least one second reporting method in the first information, the signaling overhead caused by separately issuing the relevant configurations for L1 / L2 and L3 handover can be effectively reduced.

[0175] The communication method provided in the embodiments of this application is described in detail below with reference to Figure 6. The method provided in this application can be applied to the system architecture shown in Figure 1, but the embodiments of this application are not limited thereto.

[0176] Figure 6 is a schematic flowchart of the communication method 600 provided in an embodiment of this application. The flowchart in Figure 6 illustrates the method from the perspective of interaction between the terminal device and the network device, but this application does not limit the entity executing the method. For example, the terminal device in Figure 6 can be replaced by a chip, chip system, or processor that supports the implementation of the method on the terminal device, or it can be a logic module or software that can implement all or part of the functions of the terminal device. Similarly, the network device in Figure 6 can be replaced by a chip, chip system, or processor that supports the implementation of the method on the network device, or it can be a logic module or software that can implement all or part of the functions of the network device.

[0177] As shown in Figure 6, method 600 may include steps S601 to S603. The steps in method 600 are described in detail below.

[0178] S601, the network device generates first information, which includes at least one first measurement resource and at least one first reporting method associated with the LTM type, and at least one second measurement resource and at least one second reporting method associated with the L3 mobility type.

[0179] The first measurement resource and the second measurement resource are defined to facilitate differentiation from measurement resources associated with LTM type and L3 mobility type. It is understood that the first measurement resource and the second measurement resource can be replaced with other names, and this application does not limit their use.

[0180] In this application, measurement resources refer to time-domain and / or frequency-domain resources corresponding to a measurement-dependent reference signal. For example, the measurement-dependent reference signal may include a signal that can be measured, such as an SSB or CSI-RS.

[0181] The measurement resources included in at least one of the first measurement resources can be identified by a resource index (RI). Similarly, the measurement resources included in at least one of the second measurement resources can also be identified by an RI. That is to say, different first measurement resources have different corresponding RIs.

[0182] For example, RI can be an index of resource element, subcarrier, physical resource block, common resource block, virtual resource block, or an index of symbol, time slot, subframe, etc., which is not limited in this application.

[0183] Similar to measurement resources, the first and second reporting methods are defined to distinguish them from the reporting methods associated with LTM and L3 mobility types. It is understood that the first and second reporting methods can be replaced with other names, and this application does not limit their use.

[0184] The reporting methods in this application include periodic reporting, semi-periodic reporting, or event-triggered reporting.

[0185] It is understood that at least one first reporting method can correspond to different identifiers, and at least one second reporting method can correspond to different identifiers. For example, different reporting methods can be identified by different indexes, such as index 0 for periodic reporting, index 1 for semi-periodic reporting, and index 2 for event-triggered reporting.

[0186] S602, the network device sends the first information to the terminal device. Correspondingly, the terminal device receives the first information from the network device.

[0187] Optionally, this first information can be carried in the RRC signaling.

[0188] S603, the terminal device performs LTM and / or L3 movement based on the first information.

[0189] In this application, LTM can be replaced with L1 movement or L2 movement. For example, the terminal device performs L1 movement (or L2 movement) and / or L3 movement based on the first information.

[0190] It is understandable that LTM and L3 mobility cannot be performed simultaneously. However, based on the first piece of information, the terminal device can determine that the network side supports the terminal device to perform LTM and L3 mobility, or perform LTM or L3 handover at the first moment and L3 mobility or LTM at the second moment.

[0191] In this embodiment, the network device carries at least one first measurement resource and at least one first reporting method associated with the LTM type, and at least one second measurement resource and at least one second reporting method associated with the L3 mobility type, in the first information sent to the terminal device. That is, the first information carries multiple measurement resources and multiple reporting methods, and these multiple measurement resources and multiple methods can be associated with different mobility types. Since both LTM and L3 mobility require related configurations for measurement (e.g., LTM requires measurement resources, and L3 mobility requires measurement configurations) and reporting methods, compared to separately configuring LTM-related measurement resources and reporting methods and L3 mobility-related measurement configurations and reporting methods, this method of carrying measurement resources through the same information / signaling format allows LTM and L3 mobility to use measurement resources from the multiple measurement resources carried by the same information, effectively reducing signaling overhead (e.g., if the first information carries measurement resource 1, this measurement resource 1 can be used when performing LTM, and it can also be used when performing L3 mobility; the measurement resource only needs to be configured once).

[0192] Optionally, the first information mentioned above also includes a movement type indication field, which includes LTM type and / or L3 movement type. That is, LTM type and / or L3 movement type is indicated visually.

[0193] It is understandable that LTM type and L3 movement type can also be indicated by their associated filter coefficients, meaning that the first information may not include a movement type indicator field. This is because the L1 measurement results obtained from LTM type and L3 movement type use different filter coefficients than the L3 measurement results. Filter coefficients are used to filter the measurement results; specifically, the filter coefficients associated with LTM type (hereinafter referred to as the first filter coefficient or L1 filter coefficient for convenience) are used to filter L1 measurement results; and the filter coefficients associated with L3 movement type (hereinafter referred to as the second filter coefficient or L3 filter coefficient for convenience) are used to filter L3 measurement results.

[0194] It is understandable that LTM and L3 mobility can be combined with different handover methods. Typical handover methods include traditional handover, conditional handover (CHO), dual active protocol stack (DAPS) handover, and make-before-break handover. For example, LTM-CHO is a combination of LTM and conditional handover, or LTM-DAPS is a combination of LTM and DAPS.

[0195] The L1 and L3 measurement results are described below with reference to Figure 7. As shown in Figure 7, the L1 reporting result can be directly reported from the measurement result at point A1 in Figure 7. It can be smoothed using the configured L1 filter coefficients, and typical filtering times can be {5 milliseconds (ms), 10 ms, 20 ms, 40 ms}, etc.; the L3 reporting result can be directly reported from the measurement result at point D or F in Figure 7. It can be smoothed using the configured L3 filter coefficients, and typical filtering times can be {80 ms, 160 ms, 200 ms, 320 ms, 400 ms}, etc.

[0196] Optionally, the first information may further include: at least one first filter coefficient associated with the LTM type, and / or at least one second filter coefficient associated with the L3 movement type.

[0197] Specifically, at least one first filter coefficient is used to filter the first measurement result, which is obtained by measuring at least one first measurement resource; at least one second filter coefficient is used to filter the second measurement result, which is obtained by measuring at least one second measurement resource. It can be understood that the first measurement result here can be the measurement result at point A in Figure 7, and the second measurement result can be the measurement result at point D or F in Figure 7.

[0198] Alternatively, the first filter coefficient is the one used by the physical layer of the terminal device to perform L1 filtering. L1 filtering can eliminate the impact of fast fading on the measurement results. The second filter coefficient is the one used by the higher layers of the terminal device to perform L3 filtering. L3 filtering can smooth shadow fading and a small amount of fast fading glitches, thereby providing better measurement data for event determination.

[0199] For example, typical values ​​for L3 filter coefficients can be {0, 1, 2, ..., 19}; for L1 filter coefficients, this application does not limit the typical values, which can be determined by the terminal device.

[0200] Optionally, the first information may further include: at least one first measurement event associated with the LTM type, and / or at least one second measurement event associated with the L3 movement type.

[0201] Similar to measurement resources, the first measurement event and the second measurement event are defined to facilitate differentiation from the reporting methods associated with LTM type and L3 mobility type. It is understood that the first measurement event and the second measurement event can be replaced with other names, and this application does not limit their use.

[0202] As can be understood, measurement events are a set of mechanisms defined by the 3GPP protocol that instruct terminal equipment on how to perform cell measurements and what to actually report the measurement results. Measurement events characterize a state of signal strength or signal quality within a cell.

[0203] Table 1 shows the Ax / Bx measurement events (measurement events) based on the signal.

[0204] Table 1

[0205] The signal quality shown in Table 1 may include: RSRP, RSRQ, or signal and SINR.

[0206] The meanings of the relevant variables in the formulas for the entry and exit conditions shown in Table 1 are as follows: Ms and Mn represent the measurement results of the serving cell and neighboring cell, respectively; Hys represents the amplitude hysteresis of the measurement results; TimeToTriger represents the duration for which the event entry condition is continuously met, i.e., time hysteresis; Thresh, Thresh1, and Thresh2 represent the threshold values; Ofs and Ofn represent the frequency offset of the serving cell and neighboring cell, respectively; Ocs and Ocn represent the cell offset of the serving cell and neighboring cell, respectively; Off represents the offset of the measurement results.

[0207] The entry and exit conditions for the measurement events shown in Table 1 all include the variables Hys and TimeToTrigger. This is because the signal has fluctuations, but the network does not care about the fluctuations of the signal within a small range. It is only meaningful when the cumulative trend of change reaches a certain level. Therefore, Hys and TimeToTrigger are used to solve this problem.

[0208] It is understandable that for the first measurement event mentioned above, the cells in measurement events A2-A5 shown in Table 1 can be replaced with beams or beam sets. The second measurement event can be measurement events A1-A6, B1, and B2 shown in Table 1.

[0209] Optionally, the first information may also include at least one first SSB-based measurement timing configuration (SMTC) associated with the LTM type, and / or at least one measurement gap.

[0210] The measurement gap is the time interval during which the terminal device leaves the current frequency point to measure at other frequencies. It is usually involved in inter-frequency measurement and system-based measurement.

[0211] For example, SMTC can be determined by configuring the SMTC period (i.e., the repetition period of the measurement action), the SMTC offset (i.e., the starting subframe of the measurement action within the period), and the SMTC duration (i.e., the duration the measurement action should last after it starts).

[0212] Optionally, the first information may also include at least one second SSB measurement time associated with the L3 movement type, and / or at least one measurement gap.

[0213] It is understood that the first SSB measurement time and the second SSB measurement time may be the same or different. For example, one or more of the SMTC period, SMTC bias, and SMTC duration corresponding to the first SSB measurement time may be the same or different from one or more of the SMTC period, SMTC bias, and SMTC duration corresponding to the second SSB measurement event.

[0214] Optionally, the at least one first measurement resource and at least one first reporting method associated with the LTM type, and the at least one second measurement resource and at least one second reporting method associated with the L3 mobility type, can be indicated by at least one reference configuration and at least one candidate configuration included in the first information.

[0215] It is understood that at least one reference configuration may correspond to at least one preset time period and / or at least one preset geographical region, and the at least one preset time period or the at least one preset geographical region does not overlap. For example, the first reference configuration in at least one reference configuration corresponds to a first preset time period and / or corresponds to a first preset geographical region.

[0216] Here, the preset time period corresponding to the reference configuration refers to the effective time of the reference configuration, and the preset geographical area corresponding to the reference configuration refers to the geographical area in which the reference configuration is effective. Specifically, the first reference configuration is effective within the first preset time period (or, in other words, the first reference configuration in at least one reference configuration is available to the terminal device within the first preset time period; or, in other words, the terminal device clock can activate the first reference configuration within the first preset time period), and / or, the first reference configuration is effective within the first preset geographical area (or, in other words, the first reference configuration in at least one reference configuration is available to the terminal device within the first preset geographical area; or, in other words, the terminal device can activate the first reference configuration when it is located in the first preset geographical area).

[0217] The following example illustrates the first information, which includes a reference configuration and at least one candidate configuration.

[0218] For example, the first information mentioned above includes a first reference configuration, which includes a set of measurement resources and a set of reporting methods.

[0219] The measurement resource set includes at least one first measurement resource and at least one second measurement resource, that is, at least one first measurement resource and at least one second measurement resource belong to the measurement resource set; the reporting method set includes at least one first reporting method and at least one second reporting method, that is, at least one first reporting method and at least one second reporting method belong to the reporting method set.

[0220] Optionally, the first reference configuration may include RRC configuration information, which may include the aforementioned set of measurement resources and set of reporting methods.

[0221] For example, the first information further includes at least one candidate configuration, wherein the first candidate configuration is used to determine one or more measurement resources associated with the first mobility type from a set of measurement resources, and to determine a reporting method associated with the first mobility type from a set of reporting methods. The first mobility type is either an LTM type or an L2 mobility type.

[0222] It is understood that the terminal device may determine one or more measurement resources based on any two candidate configurations in at least one candidate configuration, and the reporting method may be the same or different.

[0223] Specifically, the first candidate configuration may include information about the first mobility type, a list of measurement resources associated with the first mobility type, or an identifier of the reporting method associated with the first mobility type. It is understood that each list of measurement resources may include one or more measurement resources, and the measurement resources in each list can be indicated by an RI (Representational Information List).

[0224] For example, if the first information further includes at least one first filter coefficient and at least one second filter coefficient, the first reference configuration may also include a set of filter coefficients, which includes at least one first filter coefficient and at least one second filter coefficient. In this case, the first candidate configuration may also be used to determine a filter coefficient associated with the first movement type from the set of filter coefficients.

[0225] At this point, the first candidate configuration may also include the filter coefficients associated with the first movement type.

[0226] For example, if the first information includes at least one first SSB measurement time and at least one second SSB measurement time, the first reference configuration may further include a set of SSB measurement times, which includes at least one first SSB measurement time and at least one second SSB measurement time. In this case, the first candidate configuration may also be used to determine an SSB measurement time associated with the first movement type from the set of SSB measurement times.

[0227] At this point, the first candidate configuration may also include the SSB measurement time associated with the first movement type.

[0228] Optionally, the first candidate configuration may also include one or more of the following: ephemeris information, time advanced (TA) information, service time period information, ephemeris validity period, or scheduling offset (K_offset) information.

[0229] The ephemeris information includes the satellite's position and speed of movement; the TA information includes the common TA and the rate of change of the TA.

[0230] The service time period information refers to the available service hours for the current cell. It can be understood that after this time, the current cell will no longer provide service / coverage to this area / terminal.

[0231] The scheduling offset information is used to adjust the offset values ​​of the physical downlink control channel (PDSCH) to the hybrid automatic repeat request (HARQ) feedback delay K1 and the uplink scheduled physical uplink control channel (PUSCH) transmission delay K2.

[0232] Optionally, the method 600 further includes: the terminal device sending third information to the network device, the third information being used to request an update to the first reference configuration and / or at least one candidate configuration. Correspondingly, the network device receives the third information from the terminal device.

[0233] For example, the terminal device may trigger an L3 mobility request and trigger an update of the first reference configuration and / or at least one candidate configuration if the measurement finds that the strongest cell / beam set is not in the configured measurement resource list; or, the terminal device may trigger an update of the candidate configuration if it takes into account the multiple coverage characteristics (i.e., a terminal in a certain area can be served by multiple satellites / cells) and the number of valid candidate configurations is less than a given threshold.

[0234] Optionally, the terminal device performs LTM and / or L3 movement based on the first information, including: the terminal device determining a first candidate configuration from at least one candidate configuration; and performing LTM and / or L3 movement based on the first candidate configuration and a first reference configuration.

[0235] For example, the terminal device performs LTM and / or L3 movement based on a first candidate configuration and a first reference configuration, which may include: the terminal device determining one or more measurement resources and a reporting method associated with the first movement type in the first reference configuration based on the first candidate configuration; and performing LTM and / or L3 movement based on the one or more measurement resources and the reporting method.

[0236] For example, the terminal device can determine the first candidate configuration from at least one candidate configuration in three ways.

[0237] In one possible implementation, the terminal device determines a first candidate configuration from at least one candidate configuration based on second information from the network device.

[0238] The second information is used to determine the first candidate configuration; or, the second information is used to activate the first candidate configuration; or, the second information is used to indicate the first candidate configuration.

[0239] Optionally, the second information may be carried in physical layer signaling (e.g., DCI) or higher layer signaling (e.g., MAC-CE).

[0240] Optionally, the method 600 further includes: the network device sending second terminal device information to the terminal device. Correspondingly, the terminal device receives the second information from the network device.

[0241] The second possible implementation is that at least one candidate configuration corresponds to at least one time period, and no two time periods overlap.

[0242] Optionally, the terminal device determines a first candidate configuration from at least one candidate configuration, including: the terminal device determining that the clock of the terminal device is in a first time period within at least one time period; and determining the first candidate configuration from at least one candidate configuration based on the first time period and the correspondence between the at least one time period and the at least one candidate configuration (hereinafter referred to as the first correspondence).

[0243] It is understandable that the first correspondence can be predefined or indicated by the network side.

[0244] The third possible implementation involves at least one candidate configuration corresponding to at least one region, where no two regions overlap. These regions can be characterized by geographic location identifiers, wave position identifiers, latitude and longitude information, or distances from a reference location less than a threshold.

[0245] Optionally, the terminal device determines a first candidate configuration from at least one candidate configuration, including: the terminal device determining that the location of the terminal device is in a first region within at least one region; and determining the first candidate configuration from at least one candidate configuration based on the first region and the correspondence between at least one region and at least one candidate configuration (hereinafter referred to as the second correspondence).

[0246] It is understandable that the second correspondence can be predefined or indicated by the network side.

[0247] Optionally, the first candidate configuration may also include an indication of whether measurement reporting is allowed.

[0248] For example, if the first candidate configuration includes an indication to allow measurement reporting, the terminal device sends the measurement results to the network device; or if the first candidate configuration includes an indication to disallow measurement reporting, the terminal device does not send the measurement results to the network device.

[0249] Optionally, the first mobility type is determined based on one of the following: the track type of the source cell and the target cell, the handover type, the transmission path delay between the source cell and the target cell, or the reference signal type; the first mobility type is an LTM type or an L3 mobility type.

[0250] For example, the source cell and the target cell are on the same track and the first movement type is LTM; or, the source cell and the target cell are on different tracks and the first movement type is L3.

[0251] For example, the handover type is a network mobility-triggered handover, and the first mobility type is LTM type; the handover type is a terminal device mobility-triggered handover, and the first mobility type is L3 mobility type.

[0252] For example, if the transmission path delay between the source cell and the target cell is greater than a first preset value, the first mobility type is L3 mobility type; if the transmission path delay between the source cell and the target cell is less than or equal to the first preset value, the first mobility type is LTM type.

[0253] For example, the reference signal type is non-cell-defining SSB (NCD-SSB) or CSI-RS, and the first mobility type is the LTM type; the reference signal type is cell-defining SSB (CD-SSB) or CSI-RS, and the first mobility type is L3 mobility type.

[0254] The CD-SSB carries configuration information of the associated control resource set (CORESET 0) and configuration information for monitoring the Type 0 physical downlink control channel (PDCCH) common search space (CSS). Cell selection and cell reselection related measurements are based on the CD-SSB. In contrast, the NCD-SSB does not carry configuration information of the associated control resource set or the Type 0 PDCCH CSS monitoring timing. The NCD-SSB is primarily used for radio resource management and to support signal measurements for users (typically reduced capability, redcap) not within the initial bandwidth part (BWP).

[0255] The method provided by the embodiments of this application has been described in detail above with reference to Figures 1 to 7. The apparatus provided by the implementation of this application will be described in detail below with reference to Figures 8 and 9.

[0256] Figures 8 and 9 are schematic diagrams of possible apparatuses provided in embodiments of this application. These apparatuses can be used to implement the functions of terminal devices or network devices in the above method embodiments, and thus can also achieve the beneficial effects of the above method embodiments.

[0257] Figure 8 is a schematic block diagram of the device provided in an embodiment of this application. As shown in Figure 8, the device 800 includes a transceiver module 810 and a processing module 820.

[0258] One possible design is that the device 800 is used to implement the functions of the terminal device in the method embodiment shown in FIG6 above.

[0259] For example, the transceiver module 810 is configured to: receive first information, the first information including at least one first measurement resource and at least one first reporting method associated with the LTM type, and at least one second measurement resource and at least one second reporting method associated with the L3 mobility type; the processing module 820 is configured to: perform the LTM and / or the L3 mobility based on the first information.

[0260] Optionally, the processing module 820 is further configured to: determine the first candidate configuration from at least one candidate configuration; and perform the LTM and / or the L3 movement based on the first candidate configuration and the first reference configuration.

[0261] Optionally, the transceiver module 810 is further configured to: receive second information, the second information being used to determine the first candidate configuration; the processing module 820 is further configured to: determine the first candidate configuration from at least one candidate configuration based on the first information.

[0262] Optionally, the processing module 820 is further configured to: determine that the clock of the terminal device is in a first time period within the at least one time period; and, based on the first time period and the correspondence between the at least one time period and the at least one candidate configuration, determine the first candidate configuration from the at least one candidate configuration.

[0263] Optionally, the processing module 820 is further configured to: determine that the location of the terminal device is in a first region of the at least one region; and, based on the first region and the correspondence between the at least one region and the at least one candidate configuration, determine the first candidate configuration from the at least one candidate configuration.

[0264] Optionally, the transceiver module 810 is further configured to: send third information, the third information being used to request an update to the first reference configuration and / or the at least one candidate configuration.

[0265] A more detailed description of the transceiver module 810 and the processing module 820 can be obtained directly from the relevant description in the embodiment shown in Figure 6, and will not be repeated here.

[0266] Another possible design is that the device 800 is used to implement the functions of the network device in the method embodiment shown in FIG6 above.

[0267] For example, the processing module 820 is configured to: generate first information, the first information including at least one first measurement resource and at least one first reporting method associated with the LTM type, and at least one second measurement resource and at least one second reporting method associated with the L3 mobility type; the transceiver module 810 is configured to: send the first information.

[0268] Optionally, the transceiver module 810 is further configured to: send second information, the second information being used to determine the first candidate configuration.

[0269] Optionally, the transceiver module 810 is further configured to: receive third information, the third information being used to request an update to the first reference configuration and / or the at least one candidate configuration.

[0270] A more detailed description of the transceiver module 810 and the processing module 820 can be obtained directly from the relevant description in the embodiment shown in Figure 6, and will not be repeated here.

[0271] It should be noted that device 800 may include a transmitting module but not a receiving module. Alternatively, device 800 may include a receiving module but not a transmitting module. Specifically, it depends on whether the above-described scheme executed by device 800 includes both transmitting and receiving actions. It is understood that because device 800 has communication capabilities, it can also be called a communication device.

[0272] Figure 9 is another schematic block diagram of the device provided in an embodiment of this application. As shown in Figure 9, the device 900 includes one or more processors 910. The processor 910 may be a general-purpose processor or a special-purpose processor, etc. For example, it may be a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the device (e.g., terminal device, network device, or chip, etc.), execute software programs, and process data of the software programs.

[0273] Alternatively, in one design, the processor 910 may include a program (also referred to as code or instructions) that can be executed on the processor 910, causing the device 900 to perform the methods executed by the terminal device or network device in the above method embodiments. In yet another possible design, the device 900 includes circuitry (not shown in FIG9) for implementing the functions of the terminal device or network device in the above method embodiments.

[0274] For example, the processor 910 can be used to execute computer programs or instructions in memory to implement the steps performed by the terminal device or network device in any of the embodiments shown in FIG6.

[0275] Optionally, the device 900 may include one or more memories 920 storing programs (sometimes referred to as code or instructions) that can be run on the processor 910, causing the device 900 to perform the methods executed by the terminal device or network device in the above embodiments.

[0276] Optionally, the processor 910 and / or memory 920 may also store data. The processor and memory may be configured separately or integrated together.

[0277] Optionally, the device 900 may further include a communication interface 930. The processor 910, sometimes referred to as a processing unit, controls the device (e.g., a terminal device or a network device). The communication interface 930, sometimes referred to as a transceiver unit, transceiver, transceiver circuit, or transceiver, is used to implement the transceiver function of the device.

[0278] Optionally, the device 900 also includes a communication interface 930. The processor 910 and the communication interface 930 are coupled to each other. It is understood that the communication interface 930 can be a transceiver or an input / output interface.

[0279] It is understandable that since device 900 has communication capabilities, it can also be called a communication device.

[0280] When device 900 is used to implement the method of FIG6, processor 910 is used to execute the functions of the aforementioned processing unit, and communication interface 930 is used to execute the functions of the aforementioned transceiver module. Whether communication interface 930 is used for sending or receiving depends on whether the scheme executed by device 900 is used to perform a sending action or a receiving action.

[0281] When the aforementioned device 900 is a chip applied to a terminal device, the chip implements the functions of the terminal device in the above method embodiments. The chip of the terminal device receives signals from other modules (such as radio frequency modules or antennas) in the terminal device, and these signals may be sent to the terminal device by the network device; or, the chip of the terminal device sends signals to other modules (such as radio frequency modules or antennas) in the terminal device, and these signals may be sent to the network device by the terminal device.

[0282] When the aforementioned device 900 is a chip applied to a network device, the chip implements the functions of the network device in the above method embodiments. The chip of the network device receives signals from other modules (such as radio frequency modules or antennas) in the network device, and these signals may be sent from the terminal device to the network device; or, the chip of the network device sends signals to other modules (such as radio frequency modules or antennas) in the network device, and these signals may be sent from the network device to the terminal device.

[0283] It is understood that when the device 900 is a terminal device or a network device, the communication interface 930 can be a transceiver, specifically including a transmitter and a receiver, with the transmitter used to send signals and the receiver used to receive signals. When the device 900 is a chip applied to a terminal device or a network device, the communication interface 930 can be an input / output circuit, wherein the input circuit can be used for receiving and the output interface can be used for sending.

[0284] It should be noted that the above method embodiments can be applied to a processor, or implemented by a processor. A processor may be an integrated circuit chip with signal processing capabilities. During implementation, each step of the above method embodiments can be completed by integrated logic circuits in the processor's hardware or by software instructions.

[0285] The aforementioned processor 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, discrete hardware components, or any combination thereof. A general-purpose processor can be a microprocessor or any conventional processor.

[0286] The steps of the method disclosed in the embodiments of this application can be directly manifested as being executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor. The software modules can reside in mature storage media in the art, such as random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, or registers. This 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.

[0287] 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 dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDR SDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous linked dynamic random access memory (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.

[0288] The methods provided in the above embodiments can be implemented, in whole or in part, by software, hardware, firmware, or any combination thereof. When implemented in software, they can be implemented, in whole or in part, in the form of a computer program product. The computer program product may include one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the processes or functions described in the embodiments of this application are generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic disk), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk (SSD)).

[0289] This application also provides a computer program product that, when run on a processor, can implement the methods shown in the above method embodiments.

[0290] This application also provides a computer-readable storage medium containing computer instructions that, when executed on a processor, can implement the methods shown in the above-described method embodiments.

[0291] This application also provides a communication system, including the aforementioned terminal device and network device.

[0292] 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.

[0293] 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.

[0294] 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.

[0295] 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.

[0296] 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.

[0297] 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, random access memory, magnetic disks, or optical disks.

[0298] 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, characterized in that, include: Receive first information, the first information including at least one first measurement resource and at least one first reporting method associated with a low-layer triggered mobility LTM type, and at least one second measurement resource and at least one second reporting method associated with a layer L3 mobility type; Based on the first information, the LTM and / or L3 movement is performed.

2. The method according to claim 1, characterized in that, The first mobility type is determined based on one of the following: the track type of the source cell and the target cell, the handover type, the transmission path delay between the source cell and the target cell, or the reference signal type; the first mobility type is the LTM type or the L3 mobility type. The track type includes whether the source cell and the target cell are cells on the same track or cells on different tracks; the handover type includes handover triggered by network mobility and handover triggered by terminal device mobility; and the reference signal type includes non-cell definition-synchronization signal block (NCD-SSB) and cell definition-synchronization signal block (CD-SSB).

3. The method according to claim 2, characterized in that, The source cell and the target cell are on the same orbit and the first movement type is the LTM type; or the source cell and the target cell are on different orbits and the first movement type is the L3 movement type. The handover type is a handover triggered by network mobility, the first mobility type is the LTM type, the handover type is a handover triggered by terminal device mobility, and the first mobility type is the L3 mobility type; The transmission path delay between the source cell and the target cell is greater than a first preset value, and the first mobility type is the L3 mobility type; the transmission path delay between the source cell and the target cell is less than or equal to the first preset value, and the first mobility type is the LTM type. The reference signal is of type NCD-SSB, the first motion type is of type LTM, the reference signal is of type CD-SSB, and the first motion type is of type L3.

4. The method according to any one of claims 1 to 3, characterized in that, The first information also includes a movement type indication field, wherein the movement type includes the LTM type or the L3 movement type.

5. The method according to any one of claims 1 to 4, characterized in that, The first information also includes one or more of the following: at least one first measurement event associated with the LTM type, at least one second measurement event associated with the L3 mobility type, at least one first filter coefficient associated with the LTM type, or at least one second filter coefficient associated with the L3 mobility type; Wherein, the at least one first filter coefficient is used to filter the first measurement result, the first measurement result being obtained by measuring the at least one first measurement resource; the at least one second filter coefficient is used to filter the second measurement result, the second measurement result being obtained by measuring the at least one second measurement resource.

6. The method according to any one of claims 1 to 5, characterized in that, The first information includes a first reference configuration, which includes the measurement resource set and the reporting method set; Wherein, the at least one first measurement resource and the at least one second measurement resource belong to a measurement resource set, and the at least one first reporting method and the at least one second reporting method belong to a reporting method set.

7. The method according to claim 6, characterized in that, The first information also includes at least one candidate configuration, wherein the first candidate configuration is used to determine one or more measurement resources associated with the first mobility type from the measurement resource set, and to determine a reporting method associated with the first mobility type from the reporting method set; the first mobility type is the LTM type or the L3 mobility type.

8. The method according to claim 7, characterized in that, The step of performing LTM and / or L3 movement based on the first information includes: The first candidate configuration is determined from the at least one candidate configuration; The LTM and / or L3 movement are performed based on the first candidate configuration and the first reference configuration.

9. The method according to claim 8, characterized in that, Determining the first candidate configuration from the at least one candidate configuration includes: Receive second information, which is used to determine the first candidate configuration; Based on the first information, the first candidate configuration is determined from the at least one candidate configuration.

10. The method according to claim 8, characterized in that, The at least one candidate configuration corresponds to at least one time period, and any two time periods in the at least one time period do not overlap; Determining the first candidate configuration from the at least one candidate configuration includes: Determine that the clock of the terminal device is located in the first time period of the at least one time period; Based on the first time period and the correspondence between the at least one time period and the at least one candidate configuration, the first candidate configuration is determined from the at least one candidate configuration.

11. The method according to claim 8, characterized in that, The at least one candidate configuration corresponds to at least one region, and any two regions in the at least one region do not overlap; Determining the first candidate configuration from the at least one candidate configuration includes: The location of the terminal device is determined to be in a first region of the at least one region; Based on the first region and the correspondence between the at least one region and the at least one candidate configuration, the first candidate configuration is determined from the at least one candidate configuration.

12. The method according to any one of claims 7 to 11, characterized in that, The first candidate configuration includes one or more of the following: ephemeris information, advance TA information, service time period information, ephemeris validity period, or scheduling offset information.

13. The method according to any one of claims 7 to 12, characterized in that, The method further includes: Send a third message, the third message being used to request an update to the first reference configuration and / or the at least one candidate configuration.

14. The method according to any one of claims 6 to 13, characterized in that, The first reference configuration corresponds to the first preset time period, and / or the first reference configuration corresponds to the first preset geographical region.

15. A communication method, characterized in that, include: Generate first information, the first information including at least one first measurement resource and at least one first reporting method associated with a low-level triggered mobility LTM type, and at least one second measurement resource and at least one second reporting method associated with a layer L3 mobility type; Send the first message.

16. The method according to claim 15, characterized in that, The first mobility type is determined based on one of the following: the track type of the source cell and the target cell during the handover, the handover type, the transmission path delay between the source cell and the target cell, or the reference signal type; the first mobility type is the LTM type or the L3 mobility type. The track type includes whether the source cell and the target cell are cells on the same track or cells on different tracks; the handover type includes handover triggered by network mobility and handover triggered by terminal device mobility; and the reference signal type includes non-cell definition-synchronization signal block (NCD-SSB) and cell definition-synchronization signal block (CD-SSB).

17. The method according to claim 15 or 16, characterized in that, The first information also includes a movement type indication field, wherein the movement type includes the LTM or the L3 movement type.

18. The method according to any one of claims 15 to 17, characterized in that, The first information also includes one or more of the following: at least one first measurement event associated with the LTM type, at least one second measurement event associated with the L3 mobility type, at least one first filter coefficient associated with the LTM type, or at least one second filter coefficient associated with the L3 mobility type; Wherein, the at least one first filter coefficient is used to filter the first measurement result, the first measurement result being obtained by measuring the at least one first measurement resource; the at least one second filter coefficient is used to filter the second measurement result, the second measurement result being obtained by measuring the at least one second measurement resource.

19. The method according to any one of claims 15 to 18, characterized in that, The first information includes a first reference configuration, which includes the measurement resource set and the reporting method set; Wherein, the at least one first measurement resource and the at least one second measurement resource belong to a measurement resource set, and the at least one first reporting method and the at least one second reporting method belong to a reporting method set.

20. The method according to claim 19, characterized in that, The first information also includes at least one candidate configuration, wherein the first candidate configuration is used to determine one or more measurement resources associated with the first mobility type from the measurement resource set, and to determine a reporting method associated with the first mobility type from the reporting method set; the first mobility type is the LTM type or the L3 mobility type.

21. The method according to claim 20, characterized in that, The at least one candidate configuration corresponds to at least one time period, and no two time periods overlap.

22. The method according to claim 20 or 21, characterized in that, The at least one candidate configuration corresponds to at least one region, and no two regions in the at least one region overlap.

23. The method according to any one of claims 20 to 22, characterized in that, The method further includes: Send a second message, which is used to determine the first candidate configuration.

24. The method according to any one of claims 20 to 23, characterized in that, The first candidate configuration includes one or more of the following: ephemeris information, advance TA information, service time period information, ephemeris validity period, or scheduling offset information.

25. The method according to any one of claims 20 to 24, characterized in that, The method further includes: Receive third information, the third information being used to request an update to the first reference configuration and / or the at least one candidate configuration.

26. The method according to any one of claims 19 to 25, characterized in that, The first reference configuration corresponds to the first preset time period, and / or the first reference configuration corresponds to the first preset geographical region.

27. A communication device, characterized in that, Implement the method as described in any one of claims 1 to 14.

28. A communication device, characterized in that, It includes at least one processor for causing the communication device to implement the method as described in any one of claims 1 to 14 by executing a computer program and / or by logic circuitry; or causing the communication device to implement the method as described in any one of claims 15 to 26.

29. A computer-readable storage medium storing a computer program thereon, characterized in that, When the computer program is executed by a processor, the method of any one of claims 1 to 14 is executed; or, the method of any one of claims 15 to 26 is executed.

30. A computer program product, characterized in that, It includes a computer program, which, when run, executes the method of any one of claims 1 to 14 or the method of any one of claims 15 to 26.

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