Communication method and apparatus

Abstract

The present disclosure provides a communication method and apparatus. The communication method comprises: receiving configuration information of a first uplink signal; and receiving the first uplink signal, wherein the first uplink signal is acquired on the basis of the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

Description

Communication methods and devices

[0001] Cross-references to related applications

[0002] This disclosure is based on and claims priority to Chinese Patent Application No. 202510101488.5, filed on January 21, 2025, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This disclosure relates to the field of communication technology, and in particular to a communication method and apparatus, and a computer-readable storage medium. Background Technology

[0004] With the evolution of communication systems, we are considering introducing sensing capabilities into future communication systems. In these future systems, we hope to support all sensing modes, namely: terminal device self-transmission and self-reception, network device self-transmission and self-reception, network device transmitting and terminal device receiving, network device A transmitting and network device B receiving, terminal device transmitting and network device receiving, and terminal device A transmitting and terminal device B receiving.

[0005] To achieve the above objectives, the sensing capabilities should be enhanced based on the sidelink communication protocol after it has been determined, for example, by using sidelink reference signals for sensing.

[0006] Future communication systems may not necessarily conduct research on sidelink communication simultaneously. Summary of the Invention

[0007] This disclosure provides a scheme for realizing sensing between terminal devices.

[0008] To achieve the above objectives, this disclosure provides the following technical solutions:

[0009] In a first aspect, a communication method is provided, which is applied to a terminal device, or a chip or chip module in a terminal device. The communication method includes: receiving configuration information of a first uplink signal; receiving the first uplink signal, wherein the first uplink signal is obtained according to the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

[0010] Optionally, the configuration information of the first uplink signal is used to indicate at least one of the following: the time-domain resource location, frequency-domain resource location, and spatial resource location of the first uplink signal, including time-domain resource location, frequency-domain resource location, spatial resource location, time-domain resource location and frequency-domain resource location, time-domain resource location and spatial resource location, frequency-domain resource location and spatial resource location, and time-domain resource location, frequency-domain resource location and spatial resource location.

[0011] Optionally, the communication method further includes: receiving a first downlink signaling, the first downlink signaling being used to trigger receiving the first uplink signal and performing sensing.

[0012] Optionally, the first downlink signaling is at least one of the following: downlink control information (DCI), radio resource control signaling (RRC), or media access control element (MAC CE).

[0013] Optionally, the downlink control information has an independent format.

[0014] Optionally, the communication method further includes: evaluating the signal quality of the first uplink signal; and determining whether to perform sensing processing based on the signal quality of the first uplink signal.

[0015] Optionally, the first uplink signal is a sounding reference signal (SRS).

[0016] Optionally, the configuration information of the first uplink signal is the configuration information of the SRS for cross-link interference, and the method further includes: receiving a second downlink signaling, the second downlink signaling being used to indicate that the configuration information of the first uplink signal is used for sensing.

[0017] Optionally, the first uplink signal is the Physical Uplink Shared Channel (PUSCH) demodulation reference signal (DMRS) and / or physical uplink shared channel data.

[0018] Optionally, the signal quality of the first uplink signal includes the signal quality of the DMRS and / or the verification result of the physical uplink shared channel data.

[0019] Optionally, the configuration information of the first uplink signal includes at least one of the following: configuration parameters of the first uplink signal, uplink resource information of the first uplink signal, or configuration parameters of the first uplink signal and uplink resource information of the first uplink signal, wherein the uplink resource information indicates at least one of the following: configured authorized uplink resources and dynamically authorized uplink resources, including configured authorized uplink resources, dynamically authorized uplink resources, and configured authorized uplink resources and dynamically authorized uplink resources.

[0020] Secondly, a communication method is provided, which is applied to a network device, or a chip or chip module in a network device, the communication method comprising: sending configuration information of a first uplink signal; sending the first uplink signal, wherein the first uplink signal is obtained according to the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

[0021] Optionally, the configuration information of the first uplink signal is used to indicate at least one of the following: the time-domain resource location, frequency-domain resource location, and spatial-domain resource location of the first uplink signal.

[0022] Optionally, the communication method further includes: sending a first downlink signaling, the first downlink signaling being used to trigger receiving the first uplink signal and performing sensing.

[0023] Optionally, the configuration information of the first uplink signal is the configuration information of SRS for cross-link interference, and the method further includes: sending a second downlink signaling, the second downlink signaling being used to indicate that the configuration information of the first uplink signal is used for sensing.

[0024] Thirdly, a communication device is provided, the device comprising: a communication module for receiving configuration information of a first uplink signal; the communication module is further configured to receive the first uplink signal, the first uplink signal being acquired based on the configuration information of the first uplink signal, the first uplink signal being used for sensing.

[0025] Fourthly, a communication device is provided, the device comprising: a communication module for transmitting configuration information of a first uplink signal; the communication module is further configured to transmit the first uplink signal, the first uplink signal being acquired based on the configuration information of the first uplink signal, the first uplink signal being used for sensing.

[0026] Fifthly, a computer-readable storage medium is provided having a computer program stored thereon, the computer program being executed by a processing module to perform any one of the methods provided in the first or second aspect.

[0027] In a sixth aspect, a communication device is provided, including a storage module and a processing module, wherein the storage module stores a computer program that can be run on the processing module, and the processing module runs the computer program to perform any of the methods provided in the first aspect.

[0028] In a seventh aspect, a communication device is provided, including a storage module and a processing module, wherein the storage module stores a computer program that can run on the processing module, and the processing module runs the computer program to perform any of the methods provided in the second aspect.

[0029] Eighthly, a computer program product is provided, on which a computer program is stored, the computer program being executed by a processing module to perform any one of the methods provided in the first or second aspect.

[0030] Ninthly, a communication system is provided, including the aforementioned terminal equipment and the aforementioned network equipment.

[0031] In a tenth aspect, embodiments of this disclosure also provide a chip that stores a computer program, which, when executed by the chip, implements the steps of the above-described method.

[0032] Eleventhly, embodiments of this disclosure also provide a system chip for use in a terminal. The system chip includes at least one processing module and an interface circuit. The interface circuit and the at least one processing module are interconnected via a line. The at least one processing module is used to execute instructions to perform any one of the methods provided in the first or second aspect. Attached Figure Description

[0033] Figure 1 is an interactive flowchart of a communication method provided in an embodiment of this disclosure;

[0034] Figure 2 is an interactive flowchart of another communication method provided in an embodiment of this disclosure;

[0035] Figure 3 is an interactive flowchart of another communication method provided in an embodiment of this disclosure;

[0036] Figure 4 is an interactive flowchart of another communication method provided in an embodiment of this disclosure.

[0037] Figure 5 is a schematic diagram of the structure of a communication device provided in an embodiment of this disclosure;

[0038] Figure 6 is a schematic diagram of the hardware structure of a communication device provided in an embodiment of this disclosure. Detailed Implementation

[0039] The communication systems applicable to the embodiments of this disclosure include, but are not limited to, Long Term Evolution (LTE) systems, 5th-generation (5G) systems, New Radio (NR) systems, and future evolution systems or multiple converged communication systems. The 5G system can be a non-standalone (NSA) 5G system or a standalone (SA) 5G system. The technical solutions of this disclosure are also applicable to different network architectures, including but not limited to relay network architectures, dual-connectivity architectures, and vehicle-to-everything (V2X) communication architectures.

[0040] This disclosure primarily relates to communication between terminal devices and network devices, as well as communication between terminal devices. Specifically:

[0041] The network device in this embodiment can also be called an access network device, for example, a base station (BS) (also called a base station device). A network device is a device deployed in a radio access network (RAN) to provide wireless communication functions. For example, in second-generation (2G) networks, the equipment providing base station functionality includes base transceiver stations (BTS); in third-generation (3G) networks, it includes nodes (NodeB); in fourth-generation (4G) networks, it includes evolved nodes (eNB); in wireless local area networks (WLANs), the equipment providing base station functionality is access points (APs); and in NR, the equipment providing base station functionality includes next-generation node base stations (gNBs) and further evolved nodes (ng-eNBs). gNBs and terminal devices communicate using NR technology, while ng-eNBs and terminal devices communicate using evolved universal terrestrial radio access (E-UTRA) technology. Both gNBs and ng-eNBs can connect to the 5G core network. The network device in this disclosure also includes devices that provide base station functionality in future new communication systems.

[0042] In this disclosure, "terminal equipment" can refer to various forms of access terminals, user units, user stations, mobile stations, mobile stations (MS), remote terminals, mobile devices, user terminals, wireless communication devices, user agents, or user devices. Terminal equipment can also be 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 equipment in future 5G networks, or terminal equipment in future evolved Public Land Mobile Networks (PLMNs), etc. This disclosure does not limit the scope of these examples. Terminal equipment can also be referred to as User Equipment (UE), terminal, etc.

[0043] To facilitate understanding of the technical solutions disclosed herein, a brief introduction to the relevant technologies involved in this disclosure will be given first.

[0044] The sensing service in this disclosure refers to the service provided by a sensing node (also called a sensing device) with sensing capabilities to sense a sensing target and obtain relevant information about the target. In some embodiments, the sensing service may include a speed sensing service for estimating the moving speed of the sensing target. In other embodiments, the sensing service may include a distance sensing service for estimating the distance to the sensing target. In other embodiments, the sensing service may include an angle sensing service for estimating the angle of the sensing target. In other embodiments, the sensing service may include an environmental imaging service for imaging and estimating the surrounding environment. The sensing service is a service provided by the sensing scenario of a sensing integrated communication and sensing (ISAC) system. In the sensing scenario, the sensing node, acting as the sensing initiator, sends a sensing signal, and the sensing node, acting as the sensing responder, receives the signal generated after the sensing signal is applied to the sensing target and processes the received signal using a sensing algorithm. The processed sensing result can be reported to the base station or sensing function (SF) through the uplink channel, or it can be used by the sensing node that received the signal, or it can be used by other UEs. The sensing function can be a core network element (denoted as SF element). The sensing node can be a UE or a network device. The difference between different sensing scenarios lies in the different entities that perform the sensing function.

[0045] In single-site sensing mode, the sensing initiator and the sensing receiver are the same sensing node. That is, the sensing node itself sends sensing signals and receives the signals returned after the sensing signals are applied to the sensing target. The signal received by the sensing receiver in single-site sensing mode is denoted as the echo signal. Sensing types using single-site sensing mode can include self-transmission and self-reception by terminal devices and self-transmission and self-reception by network devices.

[0046] In a dual-site sensing mode, the sensing initiator and the sensing receiver can be different sensing nodes. That is, sensing node A sends a sensing signal, and sensing node B receives the signal generated after the sensing signal is applied to the sensing target. The signal received by the sensing receiver in a dual-site sensing mode is usually called the received signal. For ease of description in some embodiments of this disclosure, the signals received by the sensing receiver in both single-site and dual-site sensing modes are collectively referred to as echo signals. Sensing types using a dual-site sensing mode can include: network device sending and terminal device receiving, network device a sending and network device b receiving, terminal device sending and network device receiving, and terminal device a sending and terminal device b receiving.

[0047] For ease of description, the sensing initiator is referred to as end a, and the sensing receiver is referred to as end b. In some embodiments, for the sensing mode of a transmitting and b receiving, end a can also receive the sensing echo signal. That is, at this time, the sensing initiator can perform both bi-station sensing mode and mono-station sensing mode.

[0048] In multi-static sensing mode, at least one of the sensing initiator and sensing receiver has a multiple number of sensing nodes. That is, multiple sensing nodes A send sensing signals, and one or more sensing nodes B receive the signals generated after each sensing signal is applied to the sensing target; or, one or more sensing nodes A send sensing signals, and multiple sensing nodes B receive the signals generated after at least one sensing signal is applied to the sensing target. Sensing types using multi-static sensing mode can include: one network device sending and multiple network devices receiving; one network device sending and multiple terminal devices receiving; one terminal device sending and multiple terminal devices receiving; one terminal device sending and multiple network devices receiving; multiple network devices sending and one network device receiving; multiple terminal devices sending and one network device receiving; multiple terminal devices sending and one terminal device receiving; and multiple network devices sending and one terminal device receiving.

[0049] For cooperative perception, it can be a combination of any two or more of the aforementioned perception scenarios. In autonomous driving applications, cooperative perception enables vehicles to share information to perceive the environment beyond their line of sight and field of view. For example, vehicles within the same area share collective perception information to collaboratively perceive the environment; this is called cooperative perception. Perception types using cooperative perception can include: multiple terminal devices or network devices performing single-station perception each; multiple pairs of perception nodes performing dual-station perception each; a single terminal device or network device performing single-station perception and a pair of perception nodes performing dual-station perception; and a single perception node performing single-station or dual-station perception on multiple sub-bands.

[0050] Future communication systems may not necessarily conduct research on sidelink communication simultaneously, so it is worth exploring how to achieve perception between terminal devices without supporting sidelink communication.

[0051] In this disclosed technical solution, the first terminal device (i.e., the sensing receiver) can obtain the uplink signal used for sensing between terminal devices and the information of the resources carrying the signal through the configuration information of the first uplink signal. This allows it to receive the first uplink signal with appropriate parameters on suitable resources and use the first uplink signal for sensing. The first uplink signal is a signal sent by the second terminal device (i.e., the sensing transmitter) to the network device. By multiplexing the first uplink signal for sensing, sensing between terminal devices can be achieved even when direct communication between them is not supported, thus ensuring the smooth operation of sensing.

[0052] In this embodiment of the disclosure, the first terminal device refers to a terminal device that receives sensing signals. The second terminal device refers to a terminal device that sends sensing signals.

[0053] This disclosure provides an embodiment of a dual-station sensing mode in which a second terminal device sends a sensing signal and a first terminal device receives the sensing signal.

[0054] To make the above-mentioned objects, features and advantages of this disclosure more apparent and understandable, specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings.

[0055] In some embodiments of this disclosure, the second terminal device and the network device perform normal uplink and downlink transmissions. The first terminal device can be selected by the network device. The first terminal device receives the first uplink signal from the second terminal device for sensing processing.

[0056] In one implementation, when a network device wants to obtain environmental information on the communication link between a second terminal device and the network device, the network device can select a terminal device near the direct line of sight (LoS) path between the second terminal device and the network device as the first terminal device. Specifically, the network device can select only terminal devices in a connected state as the first terminal device, or it can wake up an idle / inactive terminal device in a suitable location as the first terminal device.

[0057] In another implementation, if the environmental information the network device wants to obtain is not on the communication link between the second terminal device and the network device, the network device can schedule reference signals, such as a Sounding Reference Signal (SRS) for beam management, to sense other directions through beam sweeping. In this case, the network device can determine a set of candidate first terminal devices based on the location of the second terminal device and the location of the target sensing area. The first terminal devices ultimately used for sensing are selected from this set.

[0058] This disclosure provides a communication method. Referring to FIG1, the following detailed steps will be described in detail.

[0059] It is understood that, in some embodiments, the communication method can be implemented using a software program that runs within a processing module integrated inside the chip or chip module. The method can also be implemented using a combination of software and hardware; this disclosure does not impose any limitations on this approach.

[0060] Step 101: The network device sends the configuration information for the first uplink signal. Correspondingly, the first terminal device receives the configuration information for the first uplink signal.

[0061] Step 102: The second terminal device sends a first uplink signal. Correspondingly, the first terminal device receives the first uplink signal; the network device receives the first uplink signal.

[0062] The first terminal device receives the first uplink signal according to the configuration information of the first uplink signal, and the first terminal device uses the first uplink signal for sensing.

[0063] Optionally, the first terminal device has the ability to receive uplink signals.

[0064] In some embodiments, the first terminal device can learn about the uplink signal used for inter-terminal sensing, as well as the resource information and other configuration information carrying the signal, through the configuration information of the first uplink signal, so that it can receive the first uplink signal with appropriate parameters on appropriate resources and use the first uplink signal for sensing.

[0065] Furthermore, the configuration information of the first uplink signal can also indicate the parameters that need to be estimated, such as speed, angle, distance, etc., and the first terminal device performs sensing processing according to the configured sensing parameters.

[0066] In some embodiments of this disclosure, the first uplink signal is an uplink signal sent by the second terminal device. When direct communication between terminal devices is not supported (e.g., sidelink communication is not supported), in order to support a dual-site sensing mode between terminal devices, the uplink signal of the terminal device can be reused for sensing. This enables sensing between terminal devices even when direct communication is not supported, thus ensuring the smooth operation of sensing.

[0067] For example, the first uplink signal can be at least one of the following:

[0068] SRS;

[0069] Physical Uplink Shared Channel (PUSCH);

[0070] Demodulation Reference Signal (DMRS);

[0071] Physical Uplink Control Channel (PUCCH);

[0072] Physical Random Access Channel (PRACH).

[0073] It should be noted that the sequence numbers of the steps in some embodiments of this disclosure do not represent a limitation on the execution order of the steps.

[0074] In a non-limiting embodiment, the configuration information of the first uplink signal is used to indicate at least one of the following: the time-domain resource location, the frequency-domain resource location, and the spatial-domain resource location of the first uplink signal.

[0075] In some embodiments of this disclosure, the network device can enable the first terminal device to know the resources carrying the first uplink signal by configuring configuration information for the first uplink signal, thereby enabling the first terminal device to receive the first uplink signal on the appropriate resources.

[0076] For example, the first terminal device receives the first uplink signal at a suitable time-domain resource location.

[0077] For example, the first terminal device receives the first uplink signal at a suitable frequency domain resource location.

[0078] For example, the first terminal device receives a first uplink signal at a designated antenna port.

[0079] In a non-limiting embodiment, the network device controls the implementation of the sensing service, and the network device can trigger the first terminal device to perform sensing through downlink signaling. That is to say, triggering the terminal device to perform sensing through downlink signaling can avoid the terminal device frequently and continuously receiving the first uplink signal, reduce the power consumption of the terminal device, and improve the flexibility of sensing.

[0080] Please refer to Figure 2 for details. In step 201, the network device sends configuration information for the first uplink signal. Correspondingly, the first terminal device receives the configuration information for the first uplink signal.

[0081] In step 202, the network device sends a first downlink signaling. Correspondingly, the first terminal device receives the first downlink signaling.

[0082] In some embodiments, the first downlink signaling is at least one of the following:

[0083] Downlink Control Information (DCI), Radio Resource Control (RRC), Medium Access Control (MAC), and Control Element (CE).

[0084] For example, if the first uplink signal is an aperiodic signal, the first downlink signaling can be DCI.

[0085] Furthermore, the DCI used to trigger sensing can have an independent format, meaning the format of the DCI used to trigger sensing is different from that of other DCIs. Optionally, the Radio Network Temporary Identifier (RNTI) of the DCI used to trigger sensing can also be a sensing-specific RNTI.

[0086] For example, if the first uplink signal is a periodic signal, the first downlink signaling can be RRC signaling or MAC CE.

[0087] For example, a network device triggers a first terminal device to perform sensing processing via MAC CE, and after a period of time, the network device notifies the first terminal device to terminate the sensing processing via MAC CE.

[0088] In step 203, the second terminal device sends a first uplink signal. Correspondingly, the first terminal device receives the first uplink signal; the network device also receives the first uplink signal.

[0089] In some embodiments, the first terminal device can use the first uplink signal to perform sensing and obtain sensing results. Accordingly, in step 204, the first terminal device sends the sensing results, and the network device receives the sensing results.

[0090] Optionally, the perception results may include at least one of the following of the target object: speed, angle, and distance.

[0091] Furthermore, the first terminal device can assess the signal quality of the first uplink signal and determine whether to perform sensing processing based on the signal quality of the first uplink signal. For example, if the signal quality of the first uplink signal is poor, the first terminal device will not perform sensing; if the signal quality of the first uplink signal is good, the first terminal device will perform sensing, thereby ensuring the reliability of the sensing results. The signal quality index can be a signal-to-interference-noise ratio (SINR), reference signal received power (RSRP), received signal strength indicator (RSSI), reference signal received quality (RSRQ), hybrid automatic repeat request acknowledgment (HARQ-ACK) information, etc., and this disclosure does not impose any limitations.

[0092] For example, if the signal quality of the first uplink signal is poor, such as if the signal quality of the first uplink signal is lower than a first threshold, the first terminal device will no longer perform sensing.

[0093] For example, if the signal quality of the first uplink signal is good, such as if the signal quality of the first uplink signal is greater than or equal to a first threshold, the first terminal device will perform sensing, thereby ensuring the reliability of the sensing result.

[0094] It should be noted that the first threshold can be configured by the network device for the first terminal device through higher-layer signaling (such as RRC), or it can be specified by the communication standard protocol. This disclosure does not impose any restrictions on this.

[0095] The following description addresses different first uplink signals, using various specific embodiments.

[0096] Example 1: The first uplink signal is SRS.

[0097] In some embodiments, the type of SRS (or the purpose of SRS) can be at least one of the following:

[0098] Beam management, antenna switching, codebook-based, non-codebook-based, positioning.

[0099] Please refer to Figure 3, which shows the specific flow of a communication method.

[0100] In step 301, the network device sends SRS configuration information. Correspondingly, the first terminal device receives the SRS configuration information.

[0101] In some embodiments, the SRS configuration information may include SRS configuration parameters (SRS config) and / or SRS uplink resource information. The SRS uplink resource information may indicate the resource location of the SRS, such as time-domain resource location, frequency-domain resource location, and / or spatial-domain resource location. The SRS configuration information may also indicate parameters of the sensing measurement, such as at least one of velocity, angle, and distance.

[0102] For example, the configuration parameters of the SRS specifically include at least one of the following: the periodicity information of the SRS (e.g., aperiodic, semi-continuous, periodic), the period and / or offset of the SRS, the slot offset information between the SRS and the DCI, the associated Channel State Information Reference Signal (CSI-RS) resource information, the purpose of the SRS, the SRS resource index number (resource and / or resource set), the number of ports of the SRS, the associated Phase Tracking Reference Signal (PTRS) information of the SRS, the comb number of the SRS, the comb offset of the SRS, the cyclic shift of the SRS, the time-domain start symbol of the SRS, the frequency-domain offset information of the SRS, the number of time-domain symbols of the SRS, the repetition transmission factor of the SRS, the spatial filtering information of the SRS, and the frequency hopping information of the SRS (n rrc ,b hop This includes information such as Bsrs, Csrs, etc.), Transmission Configuration Indication (TCI) information of the SRS, power control parameter information of the SRS, partial frequency modulation information of the SRS, and sensing measurement parameters (speed, angle, distance) based on the SRS. Among these, n rrc This represents the configuration index of SRS, b hop Bsrs represents the frequency hopping bandwidth of the SRS, Csrs represents the bandwidth of the SRS, and Csrs represents the cyclic shift of the SRS.

[0103] In one embodiment, the aforementioned SRS may be an SRS for Cross Link Interference (CLI). In this case, in addition to sending the regular SRS configuration information, the network device may also send a second downlink signaling to indicate that the SRS configuration information is used for sensing.

[0104] In an alternative embodiment, the network device may also implicitly indicate that the CLI-SRS configuration information is used for sensing. For example, the configuration information specifies that the value of a bit field is a specific value (e.g., all 0s or all 1s) to indicate that the CLI-SRS is used for sensing.

[0105] In step 302, the network device sends a first downlink signaling. Correspondingly, the first terminal device receives the first downlink signaling.

[0106] For example, when the SRS is an aperiodic signal, the first downlink signaling can be DCI.

[0107] For example, when the SRS is a periodic signal, that is, considering the periodic sensing requirements, the first downlink signaling can be RRC signaling or MAC CE. In this case, the SRS can be a semi-persistent (SP) signal or a static signal.

[0108] In step 303, in response to receiving the first downlink signaling, the first terminal device begins receiving SRS. The first terminal device uses SRS for sensing and obtains the sensing results.

[0109] In some embodiments, the first terminal device can evaluate the signal quality of the SRS, such as the SRS SINR, RSRP, RSRQ, RSSI, etc.

[0110] When the SRS signal quality is higher than a first threshold, the first terminal device uses SRS for sensing. When the SRS signal quality is lower than the first threshold, the first terminal device does not perform sensing to ensure the reliability of the sensing results.

[0111] In step 304, the first terminal device sends the sensing results. Correspondingly, the network device receives the sensing results.

[0112] Furthermore, the first terminal device can send the SRS signal quality and sensing results to the network device together. For example, the first terminal device sends the SRS SINR and sensing results to the network device.

[0113] Example 2: The first uplink signal is PUSCH DMRS.

[0114] Please refer to Figure 4, which shows the specific flow of a communication method.

[0115] In step 401, the network device sends uplink DMRS configuration information. Correspondingly, the first terminal device receives the uplink DMRS configuration information.

[0116] In some embodiments, the uplink DMRS configuration information may include uplink DMRS configuration parameters (DMRS config) and / or uplink resource information of the uplink DMRS. The uplink resource information of the uplink DMRS may indicate the resource location of the uplink DMRS, such as time domain resource location, frequency domain resource location, and / or spatial domain resource location. Specifically, it may be the PUSCH resources of the second terminal device, such as Time Domain Resource Assignment (TDRA) or Frequency Domain Resource Assignment (FDRA).

[0117] Furthermore, the configuration information of the uplink DMRS can also indicate the parameters of the sensing measurement, such as at least one of speed, angle, and distance.

[0118] For example, the configuration information of the uplink DMRS specifically includes at least one of the following: DMRS type, symbol position of supplementary DMRS, symbol length of DMRS, waveform information, Transmit Precoding Matrix indicator (TPMI) information, port information, transmit beam information, transmit power information, time-frequency position information, and DMRS-based sensing measurement parameters (e.g., speed, angle, distance).

[0119] In step 402, the network device sends a first downlink signaling. Correspondingly, the first terminal device receives the first downlink signaling.

[0120] For example, when PUSCH DMRS is an aperiodic signal, the first downlink signaling can be DCI.

[0121] For example, when the PUSCH DMRS is a periodic signal, that is, considering the periodic sensing requirements, the first downlink signaling can be RRC signaling or MAC CE. In this case, the PUSCH DMRS can be a semi-persistent (SP) signal or a configured authorized PUSCH DMRS.

[0122] In step 403, in response to receiving the first downlink signaling, the first terminal device begins receiving PUSCH DMRS. The first terminal device uses PUSCH DMRS for sensing and obtains the sensing results.

[0123] In some embodiments, the first terminal device reconstructs the sequence of the PUSCH DMRS according to the configuration information of the uplink DMRS, and simultaneously obtains the time-frequency location information of the DMRS. The first terminal device receives the PUSCH DMRS and obtains channel information based on the reconstructed DMRS sequence and the received PUSCH DMRS. The first terminal device performs sensing processing based on the channel information.

[0124] Furthermore, the first terminal device can evaluate the signal quality of the PUSCH DMRS, such as the SINR, RSRP, RSRQ, RSSI, etc. of the PUSCH DMRS.

[0125] When the signal quality of the PUSCH DMRS is higher than a first threshold, the first terminal device uses the PUSCH DMRS for sensing. When the signal quality of the PUSCH DMRS is lower than the first threshold, the first terminal device does not perform sensing to ensure the reliability of the sensing results.

[0126] In step 404, the first terminal device sends the sensing results. Correspondingly, the network device receives the sensing results.

[0127] Furthermore, the first terminal device can send the signal quality and sensing results of the PUSCH DMRS to the network device. For example, the first terminal device sends the SINR of the PUSCH DMRS and the sensing results to the network device.

[0128] Example 3: The first uplink signal is PUSCH data, or the first uplink signal is PUSCH data and PUSCH DMRS.

[0129] In some embodiments of this disclosure, the network device sends PUSCH configuration information. Accordingly, the first terminal device receives the PUSCH configuration information.

[0130] For example, the configuration information of PUSCH specifically includes at least one of the following: DMRS type, symbol position of supplementary DMRS, symbol length of DMRS, waveform information, TPMI, port information, transmit beam information, transmit power information, time-frequency position information, and PUSCH-based sensing measurement parameters (e.g., speed, angle, distance).

[0131] Unlike Embodiment 2 described above, in some embodiments of this disclosure, the first terminal device can perform sensing processing based on PUSCH data, or perform sensing processing based on PUSCH data and PUSCH DMRS together.

[0132] In one implementation, in response to receiving a first downlink signaling, the first terminal device reconstructs the sequence of the PUSCH DMRS according to the configuration information of the uplink DMRS, and simultaneously obtains the time-frequency location information of the DMRS. The first terminal device decodes the data portion according to the DMRS. After decoding, if the verification result of the data portion is an acknowledgment (ACK), the first terminal device calculates the channel of the data portion based on the received data. The first terminal device performs sensing based on both the DMRS channel and the data portion channel.

[0133] Conversely, if the verification result of the PUSCH data section is negative (NACK), the first terminal device will not perform any detection.

[0134] In another implementation, in response to receiving the first downlink signaling, the first terminal device reconstructs the sequence of the PUSCH DMRS according to the configuration information of the uplink DMRS, and simultaneously obtains the time-frequency location information of the DMRS. The first terminal device receives the PUSCH DMRS and obtains the DMRS channel based on the reconstructed DMRS sequence and the received PUSCH DMRS. The first terminal device decodes the data portion according to the DMRS, and after decoding, if the data portion is acknowledged (ACK), calculates the channel of the data portion based on the received data. The first terminal device performs sensing based on the DMRS channel and the data portion channel to obtain the sensing result.

[0135] Furthermore, before decoding the data, the first terminal device can predict the confidence level of the sensing result based on the signal quality of the DMRS. If the signal quality of the DMRS is lower than a first threshold, the first terminal device does not perform sensing processing. If the signal quality of the DMRS is higher than the first threshold, the first terminal device performs sensing processing on the PUSCH data portion, or the first terminal device performs sensing processing on both the PUSCH data portion and the DMRS.

[0136] Those skilled in the art will understand that steps S401 to S404 can be considered as execution steps corresponding to steps S301 to S304 in the embodiment shown in FIG2 above, and the two are complementary in their specific implementation principles and logic. Therefore, the explanation of some terms involved in the embodiments of this disclosure can be referred to the relevant description of the embodiment shown in FIG3, and will not be repeated here.

[0137] Please refer to Figure 5, which shows a communication device 50. The communication device 50 may include:

[0138] Communication module 501 is used to receive configuration information of the first uplink signal;

[0139] The communication module 501 is also used to receive a first uplink signal, which is obtained according to the configuration information of the first uplink signal and is used for sensing.

[0140] Furthermore, the configuration information of the first uplink signal is used to indicate at least one of the following: the time-domain resource location, frequency-domain resource location, and spatial-domain resource location of the first uplink signal.

[0141] Furthermore, the communication module 501 is also used to receive a first downlink signaling, which is used to trigger the reception of a first uplink signal and to perform sensing.

[0142] Furthermore, the first downlink signaling is at least one of the following: DCI, RRC, MAC CE.

[0143] Furthermore, the communication device 50 may also include a processing module for evaluating the signal quality of the first uplink signal; the processing module is also used to determine whether to perform sensing processing based on the signal quality of the first uplink signal.

[0144] Furthermore, the communication module 501 is also used to receive a second downlink signaling, which is used to indicate the configuration information of the first uplink signal for sensing.

[0145] Furthermore, the signal quality of the first uplink signal includes the signal quality of the DMRS and / or the verification result of the physical uplink shared channel data.

[0146] Furthermore, the configuration information of the first uplink signal includes at least one of the following: configuration parameters of the first uplink signal; uplink resource information of the first uplink signal, wherein the uplink resource information indicates at least one of the following: configured authorized uplink resources and dynamically authorized uplink resources.

[0147] In some embodiments, the communication device 50 may correspond to a chip with communication function in a terminal device, such as a system-on-a-chip (SOC), a baseband chip, etc.; or to a chip module in a terminal device that includes a chip with communication function; or to a chip module with a chip with data processing function; or to a terminal device.

[0148] In another non-limiting embodiment, the communication module 501 is used to transmit configuration information of a first uplink signal. The communication module 501 is also used to transmit a first uplink signal, which is obtained based on configuration information and is used for sensing.

[0149] Furthermore, the communication module 501 is also used to send a first downlink signaling, which is used to trigger the reception of the first uplink signal and to perform sensing.

[0150] Furthermore, the communication module 501 is also used to send a second downlink signaling, which is used to indicate the configuration information of the first uplink signal for sensing.

[0151] In some embodiments, the communication device 50 may correspond to a chip with communication function in a network device, such as a SOC, a baseband chip, etc.; or to a chip module in a network device that includes a chip with communication function; or to a chip module with a chip with data processing function; or to a network device.

[0152] Other relevant descriptions of the communication device 50 can be found in the descriptions in the foregoing embodiments, and will not be repeated here.

[0153] Regarding the modules / units included in the various devices and products described in the above embodiments, they can be software modules / units, hardware modules / units, or a combination of both. For example, for various devices and products applied to or integrated into a chip, all of their modules / units can be implemented using hardware methods such as circuits, or at least some modules / units can be implemented using software programs that run within a processing module integrated into the chip, while the remaining (if any) modules / units can be implemented using hardware methods such as circuits. For various devices and products applied to or integrated into a chip module, all of their modules / units can be implemented using hardware methods such as circuits. Different modules / units can be located in the same component (e.g., chip, circuit module, etc.) or different components of the chip module, or at least some modules / units can be implemented using hardware methods such as circuits. The implementation can be done through software programs, which run within the processing module integrated into the chip module. The remaining modules / units (if any) can be implemented using hardware methods such as circuits. For various devices and products applied to or integrated into terminal devices, each of their modules / units can be implemented using hardware methods such as circuits. Different modules / units can be located in the same component (e.g., chip, circuit module, etc.) or different components within the terminal device. Alternatively, at least some modules / units can be implemented through software programs, which run within the processing module integrated into the terminal device. The remaining modules / units (if any) can be implemented using hardware methods such as circuits.

[0154] This disclosure also discloses a storage medium, which is a computer-readable storage medium storing a computer program thereon. When the computer program is executed, it can perform the steps of the method shown in the foregoing embodiments. The storage medium may include a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, etc. The storage medium may also include a non-volatile or non-transitory storage module, etc.

[0155] Referring to Figure 6, this disclosure also provides a hardware structure diagram of a communication device. The device includes a processing module 601, a storage module 602, and a transceiver 603.

[0156] Processing module 601 can be a general-purpose central processing unit (CPU), a microprocessor module, an application-specific integrated circuit (ASIC), or one or more integrated circuits for controlling the execution of programs according to the present disclosure. Processing module 601 may also include multiple CPUs, and can be a single-core (single-CPU) processing module or a multi-core (multi-CPU) processing module. Here, "processing module" can refer to one or more devices, circuits, or processing cores for processing data (e.g., computer program instructions).

[0157] The storage module 602 can be a ROM or other type of static storage device capable of storing static information and instructions, RAM or other type of dynamic storage device capable of storing information and instructions, or an electrically erasable programmable read-only memory (EEPROM), a compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium capable of carrying or storing desired program code in the form of instructions or data structures and accessible by a computer. This disclosure does not impose any limitations on this. The storage module 602 can exist independently (in which case, the storage module 602 can be located outside or inside the device) or it can be integrated with the processing module 601. The storage module 602 may contain computer program code. The processing module 601 is used to execute the computer program code stored in the storage module 602, thereby implementing the method provided in this disclosure.

[0158] The processing module 601, storage module 602, and transceiver 603 are connected via a bus. The transceiver 603 is used to communicate with other devices or communication networks. Optionally, the transceiver 603 may include a transmitter and a receiver. The device in the transceiver 603 that implements the receiving function can be considered as a receiver, and the receiver is used to perform the receiving steps in the embodiments of this disclosure. The device in the transceiver 603 that implements the transmitting function can be considered as a transmitter, and the transmitter is used to perform the transmitting steps in the embodiments of this disclosure.

[0159] In the structural diagram shown in Figure 6, which illustrates the structure of the terminal device involved in the above embodiments, the processing module 601 is used to control and manage the actions of the terminal device. For example, the processing module 601 is used to support the terminal device in performing actions performed by the terminal device in other processes described in the embodiments of this disclosure. The processing module 601 can communicate with other network entities through the transceiver 603, for example, with the aforementioned network device. The storage module 602 is used to store the program code and data of the terminal device. When the processing module runs the computer program, it can control the transceiver 603 to receive one or more of RRC signaling, MAC signaling, and DCI.

[0160] In the structural diagram shown in Figure 6, which illustrates the structure of the network device involved in the above embodiments, the processing module 601 is used to control and manage the actions of the network device. For example, the processing module 601 is used to support the network device in performing actions performed by the network device in other processes described in the embodiments of this disclosure. The processing module 601 can communicate with other network entities through the transceiver 603, for example, with the aforementioned terminal device. The storage module 602 is used to store the program code and data of the network device. When the processing module runs the computer program, it can control the transceiver 603 to send one or more of RRC signaling, MAC signaling, and DCI.

[0161] In this embodiment of the disclosure, a one-way communication link from the access network to the terminal device is defined as a downlink, and the data transmitted on the downlink is called downlink data. The transmission direction of the downlink data is called the downlink direction. On the other hand, a one-way communication link from the terminal device to the access network is defined as an uplink, and the data transmitted on the uplink is called uplink data. The transmission direction of the uplink data is called the uplink direction.

[0162] All embodiments disclosed herein can be executed individually or in combination with other embodiments, and are all considered to be within the scope of protection claimed by this disclosure.

[0163] It should be understood that the term "and / or" in this article is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this article indicates that the preceding and following related objects have an "or" relationship.

[0164] In this disclosure, "multiple" refers to two or more.

[0165] The descriptions of "first," "second," etc., appearing in the embodiments of this disclosure are for illustrative purposes and to distinguish the objects being described. They have no order and do not indicate any particular limitation on the number of devices in the embodiments of this disclosure, nor do they constitute any limitation on the embodiments of this disclosure.

[0166] The term "connection" in this disclosure refers to various connection methods, such as direct connection or indirect connection, to achieve communication between devices. This disclosure does not limit the scope of the term.

[0167] The above embodiments can be implemented, in whole or in part, by software, hardware, firmware, or any other combination thereof. In the case of software implementation, the above embodiments can be implemented, in whole or in part, as a computer program product. The computer program product includes one or more computer instructions or computer programs. When the computer instructions or computer program are loaded or executed on a computer, all or part of the processes or functions described in the embodiments of this disclosure are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer instructions can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired or wireless means.

[0168] It should be understood that in the various embodiments of this disclosure, the sequence number of each process does not imply the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of this disclosure.

[0169] In the several embodiments provided in this disclosure, it should be understood that the disclosed methods, apparatuses, and systems can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for example, the division of units is merely a logical functional division, and other division methods may exist in actual implementation; 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, and the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0170] 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 objectives of some embodiments of this disclosure, depending on actual needs.

[0171] Furthermore, the functional units in the various embodiments of this disclosure can be integrated into one processing unit, or each unit can be physically comprised separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or in the form of hardware plus software functional units.

[0172] The integrated unit implemented as a software functional unit described above can be stored in a computer-readable storage medium. This software functional unit, stored in a storage medium, includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute some steps of the methods described in the various embodiments of this disclosure.

[0173] While the above disclosure is provided, it is not limited thereto. Any person skilled in the art may make various alterations and modifications without departing from the spirit and scope of this disclosure; therefore, the scope of protection of this disclosure shall be determined by the scope defined in the claims.

Claims

1. A communication method characterized by comprising: include: Configuration information for receiving the first uplink signal; The first uplink signal is received, which is obtained based on the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

2. The communication method according to claim 1, characterized by, The configuration information of the first uplink signal is used to indicate at least one of the following: The time-domain resource location, frequency-domain resource location, and spatial-domain resource location of the first uplink signal.

3. The communication method according to claim 1, wherein, Also includes: Receive the first downlink signaling, which is used to trigger the reception of the first uplink signal and perform sensing.

4. The communication method according to claim 3, characterized by, The first downlink signaling is at least one of the following: Downlink Control Information (DCI), Radio Resource Control (RRC), and Media Access Control Element (MAC CE).

5. The communication method according to claim 4, wherein, The downlink control information has an independent format.

6. The communication method of claim 1, wherein, Also includes: Evaluate the signal quality of the first uplink signal; Whether to perform sensing processing based on the first uplink signal is determined based on the signal quality of the first uplink signal.

7. The communication method according to claim 1 or 6, characterized by, The first uplink signal is the detection reference signal (SRS).

8. The communication method according to claim 7, wherein, The configuration information of the first uplink signal is the configuration information of the SRS for cross-link interference, and the method further includes: Receive a second downlink signaling, which is used to indicate the configuration information of the first uplink signal for sensing.

9. The communication method according to claim 1 or 6, characterized by, The first uplink signal is the Physical Uplink Shared Channel (PUSCH) demodulation reference signal DMRS and / or Physical Uplink Shared Channel data.

10. The communication method according to claim 9, wherein, The signal quality of the first uplink signal includes the signal quality of the DMRS and / or the verification result of the physical uplink shared channel data.

11. The communication method according to any one of claims 1 to 10, characterized by, The configuration information of the first uplink signal includes at least one of the following: Configuration parameters of the first uplink signal; The uplink resource information of the first uplink signal indicates at least one of the following: configured authorized uplink resources and dynamically authorized uplink resources.

12. A communication method characterized by comprising: include: Configuration information for sending the first uplink signal; The first uplink signal is sent. The first uplink signal is obtained according to the configuration information of the first uplink signal and is used for sensing.

13. The communication method according to claim 12, wherein, The configuration information of the first uplink signal is used to indicate at least one of the following: The time-domain resource location, frequency-domain resource location, and spatial-domain resource location of the first uplink signal.

14. The communication method according to claim 12, wherein, Also includes: Send a first downlink signaling, which is used to trigger the reception of the first uplink signal and to perform sensing.

15. The communication method according to claim 12, wherein, The configuration information of the first uplink signal is the configuration information of SRS for cross-link interference, and the method further includes: Send a second downlink signaling, which is used to indicate the configuration information of the first uplink signal for sensing.

16. A communications device, characterized by include: The communication module is used to receive configuration information for the first uplink signal; The communication module is also used to receive the first uplink signal, which is obtained according to the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

17. A communications device, characterized by include: The communication module is used to send configuration information for the first uplink signal; The communication module is also used to send the first uplink signal, which is obtained according to the configuration information of the first uplink signal, and the first uplink signal is used for sensing.

18. A non-transitory computer readable storage medium having stored thereon a computer program, characterized in that, The computer program, when executed by the processing module, performs the steps of the communication method according to any one of claims 1 to 11, or performs the steps of the communication method according to any one of claims 12 to 15.

19. A computer program product comprising a computer program / instructions, characterized in that, When the computer program / instruction is executed by the processing module, it implements the steps of the communication method according to any one of claims 1 to 11, or performs the steps of the communication method according to any one of claims 12 to 15.

20. A chip comprising at least one processing module and an interface circuit, the interface circuit being connected to the at least one processing module, the processing module executing steps of the communication method according to any one of claims 1 to 11 by running program instructions, or executing steps of the communication method according to any one of claims 12 to 15.

21. A communication device comprising a storage module and a processing module, wherein the storage module stores a computer program executable on the processing module, characterized in that, When the processing module runs the computer program, it performs the steps of the communication method according to any one of claims 1 to 11.

22. A communication device comprising a storage module and a processing module, wherein the storage module stores a computer program executable on the processing module, characterized in that, When the processing module runs the computer program, it performs the steps of the communication method according to any one of claims 12 to 15.

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