A communication method and related apparatus

Abstract

The application relates to a communication method, in which, based on the above technical solution, a terminal device determines the sensing measurement configuration of a secondary cell in a dormant state through received first information, so as to perform sensing measurement on the secondary cell in the dormant state according to the first information. That is, sensing measurement is performed on the secondary cell in the dormant state, which can save the power consumption of the secondary cell in receiving a physical downlink control channel (PDCCH) and the like compared with sensing measurement after the secondary cell is activated.

Description

Technical Field

[0001] This application relates to the field of communication technology, and in particular to a communication method and related apparatus. Background Technology

[0002] In recent years, wireless sensing technology has attracted widespread attention from the academic community. Wireless sensing technology analyzes the changes in wireless signals during propagation to obtain the characteristics of the signal propagation space (channel), thereby achieving scene perception. The main function of a wireless communication system is to facilitate information exchange between transceivers. Its basic principle is that the transmitter emits a specific waveform signal, which is received by the receiver after passing through the wireless channel, and then demodulated after signal processing. From the perspective of the entire physical process of transmission, reception, and transmission, radar and wireless communication are extremely similar. How to integrate wireless communication and sensing technology (represented by radar) to simultaneously achieve communication and environmental perception has become a current research hotspot.

[0003] Currently, primary cells (PCells) and secondary cells (SCells) play a crucial role in scenarios such as dual connectivity or carrier aggregation. SCells exist in several states: active, deactivated, and dormant. Active SCells quickly enter a dormant state when there is no data.

[0004] How to utilize the state of Scells for wireless sensing is a hot topic at present. Summary of the Invention

[0005] This application provides a communication method and related apparatus. A terminal device determines the sensing and measurement configuration of a dormant secondary cell by receiving first information, and then performs sensing and measurement on the dormant secondary cell based on the first information. That is, by utilizing the dormant state of the secondary cell for sensing and measurement, compared to requiring the secondary cell to be activated before sensing and measurement, power consumption such as receiving the physical downlink control channel (PDCCH) in the secondary cell can be saved.

[0006] The first aspect of this application provides a communication method that can be applied to a terminal side, such as a terminal or a communication module within a terminal, or a circuit or chip within the terminal responsible for communication functions (such as a modem chip, also known as a baseband chip, or a system-on-chip (SoC) chip containing a modem core, or a system-in-package (SIP) chip). In the first aspect and its possible implementations, the method is described as being executed by a terminal device. In this method, the terminal device receives first information and performs sensing measurements on a dormant secondary cell based on the first information to obtain sensing measurement results. The first information is used to indicate the sensing measurement configuration of the dormant secondary cell.

[0007] Based on the above technical solution, the first information is used to indicate the configuration of downlink sensing measurements for the secondary cell in a dormant state. For example, the terminal device can be configured in a dormant state for the secondary cell, enabling the terminal device to measure downlink sensing measurements associated with at least one frequency of the secondary cell corresponding to the dormant state. This simultaneously avoids the terminal device performing PDCCH monitoring for communication, saving power consumption.

[0008] Optionally, in one possible implementation of the first aspect, the aforementioned first information is used to indicate one or more of the following: whether sensing measurements are allowed on the dormant secondary cell, resources related to the sensing measurements, and whether at least two dormant partial bandwidths (dormant BWPs) are configured.

[0009] In this possible implementation, the first information can also indicate other information used for sensing measurements in the dormant secondary cell, thereby facilitating network equipment to schedule terminal equipment to perform corresponding sensing measurements.

[0010] Optionally, in one possible implementation of the first aspect, the aforementioned sensing measurement is related to the dormant BWP of the secondary cell; the terminal device can also switch BWPs and use the switched BWPs for sensing measurement.

[0011] In this possible implementation, the terminal device can also switch BWPs and use the switched BWPs for sensing measurements, which can be suitable for the need to improve sensing accuracy or save power consumption of the terminal device.

[0012] Optionally, in one possible implementation of the first aspect, the terminal device may also send sensing measurement results and receive first indication information, which is used to indicate switching BWP and is related to the sensing measurement results.

[0013] In this possible implementation, the terminal device can improve the network device's flexible scheduling of the terminal device by reporting the sensing measurement results and determining the BWP switch based on the received first instruction information.

[0014] Optionally, in one possible implementation of the first aspect, the terminal device may also send a second message, which is used to request a switch of BWP; the first indication message is used to respond to the second message.

[0015] In this possible implementation, the terminal device can switch the BWP through a second information request and determine the switch based on the first instruction information.

[0016] Optionally, in one possible implementation of the first aspect, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the BWP switching includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0017] In this possible implementation, when a dormant BWP is configured in a secondary cell, the switch from the dormant BWP to the active BWP is determined by a first condition to improve the sensing accuracy.

[0018] Optionally, in one possible implementation of the first aspect, the terminal device may switch from the active state BWP to the dormant state BWP when the second condition is met during the second time period. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross-section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0019] In this possible implementation, when a dormant secondary cell is configured with one dormant BWP, the switch from the active BWP to the dormant BWP is determined by a second condition to reduce the power consumption of the terminal device.

[0020] Optionally, in one possible implementation of the first aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if a first condition is met within a first time period, the BWP handover includes: handover from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0021] In this possible implementation, when at least two dormant BWPs are configured in the dormant secondary cell, the switch from narrowband BWP to wideband BWP is determined by a first condition to improve sensing accuracy.

[0022] Optionally, in one possible implementation of the first aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met during the second time period, the BWP handover includes: handover from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0023] In this possible implementation, when at least two dormant BWPs are configured in the dormant secondary cell, the switch from broadband BWP to narrowband BWP is determined by a second condition to reduce the power consumption of the terminal device.

[0024] Optionally, in one possible implementation of the first aspect, the aforementioned first information is carried in one or more of the following: radio resource control (RRC) signaling, medium access control-control element (MAC CE), and downlink control information (DCI).

[0025] This possible implementation can be applied to various configuration scenarios, improving the flexibility of terminal devices in obtaining first information.

[0026] Optionally, in one possible implementation of the first aspect, the measured quantities of the above-mentioned sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0027] This possible implementation enhances the flexibility of sensing measurement results by introducing multiple possible measurement quantities.

[0028] A second aspect of this application provides a communication method, which is executed by a network device, or by a component (e.g., a processor, chip, or chip system) within the network device, or by a logic module or software capable of implementing all or part of the functions of the network device. In this second aspect and its possible implementations, the method is described as being executed by a network device. In this method, the network device sends first information, which indicates the sensing measurement configuration of a secondary cell in a dormant state.

[0029] Based on the above scheme, the network device instructs the sensing measurement configuration of the dormant secondary cell by sending a first message. For example, the terminal device can be configured to be in a dormant secondary cell configuration, enabling the terminal device to measure downlink sensing measurements associated with at least one frequency of the corresponding dormant secondary cell. This avoids the terminal device performing PDCCH monitoring, saving power consumption.

[0030] Optionally, in one possible implementation of the second aspect, the aforementioned first information is used to indicate one or more of the following: whether sensing measurements are allowed for dormant secondary cells, resources related to sensing measurements, and whether at least two dormant partial bandwidth (dormant BWP) are configured.

[0031] In this possible implementation, the first information can also indicate other information used for sensing measurements in the dormant secondary cell, thereby facilitating network equipment to schedule terminal equipment to perform corresponding sensing measurements.

[0032] Optionally, in one possible implementation of the second aspect, the network device may also receive sensing measurement results, which are the results obtained from sensing measurements in the dormant secondary cell; the network device may also send first indication information, which is used to indicate handover of BWP, and the first indication information is related to the sensing measurement results.

[0033] In this possible implementation, the network device determines the scheduling of the terminal device to switch BWP based on the perception measurement results reported by the terminal device, which can improve the network device's flexible scheduling of the terminal device.

[0034] Optionally, in one possible implementation of the second aspect, the network device may also receive second information for requesting a BWP switch; and the first indication information for responding to the second information.

[0035] In this possible implementation, the network device can issue a first instruction message based on the request of the terminal device, thereby improving the network device's flexible scheduling of the terminal device.

[0036] Optionally, in one possible implementation of the second aspect, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the network device may also instruct the terminal device to switch the BWP, the BWP switching includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0037] In this possible implementation, when a dormant BWP is configured in a secondary cell, the switch from the dormant BWP to the active BWP is determined by a first condition to improve the sensing accuracy.

[0038] Optionally, in one possible implementation of the second aspect, the network device may further instruct the terminal device to switch from the active state BWP to the dormant state BWP when the second condition is met within the second time period. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0039] In this possible implementation, when a dormant secondary cell is configured with one dormant BWP, the switch from the active BWP to the dormant BWP is determined by a second condition to reduce the power consumption of the terminal device.

[0040] Optionally, in one possible implementation of the second aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the first condition is met within the first time period, the network device can also instruct the terminal device to switch BWPs, the switching of BWPs includes: switching from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0041] In this possible implementation, when at least two dormant BWPs are configured in the dormant secondary cell, the switch from narrowband BWP to wideband BWP is determined by a first condition to improve sensing accuracy.

[0042] Optionally, in one possible implementation of the second aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met within the second time period, the network device can also instruct the terminal device to switch BWPs, the switching of BWPs includes: switching from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0043] In this possible implementation, when at least two dormant BWPs are configured in the dormant secondary cell, the switch from broadband BWP to narrowband BWP is determined by a second condition to reduce the power consumption of the terminal device.

[0044] Optionally, in one possible implementation of the second aspect, the aforementioned first information is carried in one or more of the following: Radio Resource Control (RRC) signaling, Media Access Control-Control Element (MAC CE), and Downlink Control Information (DCI).

[0045] This possible implementation can be applied to various configuration scenarios, improving the flexibility of terminal devices in obtaining first information.

[0046] Optionally, in one possible implementation of the second aspect, the measured quantities of the above-mentioned sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0047] This possible implementation enhances the flexibility of sensing measurement results by introducing multiple possible measurement quantities.

[0048] A third aspect of this application provides a communication device, which is a terminal device, or a component of a terminal device (e.g., a processor, chip, or chip system), or a logic module or software capable of implementing all or part of the functions of a terminal device. Taking the communication device as a terminal device as an example, the terminal device includes a transceiver unit and a processing unit.

[0049] The transceiver unit is used to receive first information, which is used to indicate the sensing measurement configuration of the secondary cell in dormant state.

[0050] The processing unit is used to perform sensing measurements on the dormant secondary cell based on the first information to obtain the sensing measurement results.

[0051] Optionally, in one possible implementation of the third aspect, the aforementioned first information is used to indicate one or more of the following: whether sensing measurements of the dormant secondary cell are permitted, resources associated with the sensing measurements, and whether at least two dormant partial bandwidth (dormant BWP) are configured.

[0052] Alternatively, in one possible implementation of the third aspect, the aforementioned sensing measurement is related to the dormant BWP of the secondary cell; the terminal device can also switch BWPs and use the switched BWPs for sensing measurement.

[0053] Optionally, in one possible implementation of the third aspect, the transceiver unit is further configured to transmit sensing measurement results; the transceiver unit is further configured to receive first indication information, the first indication information being used to indicate switching of the BWP, the first indication information being related to the sensing measurement results.

[0054] Optionally, in one possible implementation of the third aspect, the transceiver unit is further configured to send a second message, the second message being used to request a switch of the BWP; and a first indication message being used to respond to the second message.

[0055] Optionally, in one possible implementation of the third aspect, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the BWP switching includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0056] Optionally, in one possible implementation of the third aspect, the processing unit is further configured to switch from the active state BWP to the dormant state BWP when the second condition is met during the second time period. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0057] Optionally, in one possible implementation of the third aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the first condition is met within the first time period, the BWP handover includes: handover from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0058] Optionally, in one possible implementation of the third aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met during the second time period, the BWP handover includes: handover from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0059] Alternatively, in one possible implementation of the third aspect, the aforementioned first information is carried in one or more of the following: RRC signaling, MAC CE, and DCI.

[0060] Optionally, in one possible implementation of the third aspect, the measured quantities of the above-mentioned sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0061] A fourth aspect of this application provides a communication device, which is a network device, or a component of a network device (e.g., a processor, chip, or chip system), or a logic module or software capable of implementing all or part of the functions of a network device. Taking the network device as an example, the network device includes a transceiver unit.

[0062] The transceiver unit is used to transmit first information, which is used to indicate the sensing measurement configuration of the secondary cell in dormant state.

[0063] Optionally, in one possible implementation of the fourth aspect, the aforementioned first information is used to indicate one or more of the following: whether sensing measurements of a dormant secondary cell are permitted, resources associated with the sensing measurements, and whether at least two dormant partial bandwidth (dormant BWP) units are configured.

[0064] In this possible implementation, the first information can also indicate other information used for sensing measurements in the dormant secondary cell, thereby facilitating network equipment to schedule terminal equipment to perform corresponding sensing measurements.

[0065] Optionally, in one possible implementation of the fourth aspect, the transceiver unit is further configured to receive sensing measurement results, which are the results obtained from sensing measurements in the dormant secondary cell; the transceiver unit is further configured to send first indication information, which is used to indicate handover of the BWP, and the first indication information is related to the sensing measurement results.

[0066] Optionally, in one possible implementation of the fourth aspect, the transceiver unit is further configured to receive second information, which is used to request a switch of the BWP; and the first indication information is used to respond to the second information.

[0067] Optionally, in one possible implementation of the fourth aspect, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the transceiver unit is further used to instruct the terminal device to switch the BWP, the switching of the BWP includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0068] Optionally, in one possible implementation of the fourth aspect, when the second condition is met during the second time period, the transceiver unit is further configured to instruct the terminal device to switch from the active state BWP to the dormant state BWP. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0069] Optionally, in one possible implementation of the fourth aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the first condition is met within the first time period, the transceiver unit is further used to instruct the terminal device to switch BWPs, the switching of BWPs including: switching from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0070] Optionally, in one possible implementation of the fourth aspect, the secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met within the second time period, the transceiver unit is further used to instruct the terminal device to switch BWPs, the switching of BWPs includes: switching from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0071] Optionally, in one possible implementation of the fourth aspect, the aforementioned first information is carried in one or more of the following: Radio Resource Control (RRC) signaling, Media Access Control-Control Element (MAC CE), and Downlink Control Information (DCI).

[0072] Optionally, in one possible implementation of the fourth aspect, the measured quantities of the above-mentioned sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0073] A fifth aspect of this application provides a communication device, which includes a memory and one or more processors. The memory stores part or all of the computer program or instructions necessary to implement the functions described in the first aspect above. The one or more processors are capable of executing the computer program or instructions, which, when executed, cause the communication device to implement the methods in any possible design or implementation of the first aspect above.

[0074] In one possible design, the communication device may also include interface circuitry, wherein the processor is used to communicate with other devices or components via the interface circuitry.

[0075] In one possible design, the communication device may also include a memory.

[0076] The aforementioned communication device may be a terminal, or a communication module in a terminal, or a chip in a terminal that is responsible for communication functions, such as a modem chip (also known as a baseband chip), or a system-on-a-chip (SoC) containing a modem module, or a chip or a system-in-package (SIP) chip.

[0077] The sixth aspect of this application provides a communication device including at least one processor, and a method for the at least one processor to implement any of the possible implementations of the second aspect described above.

[0078] In one possible design, the communication device further includes at least one memory, and at least one processor is coupled to at least one memory; the at least one memory is used to store a program or instructions; the at least one processor is used to execute the program or instructions to enable the device to implement any of the possible implementations of the second aspect described above.

[0079] Understandably, at least one memory device may also be external to the communication device.

[0080] The seventh aspect of this application provides a communication device including at least one logic circuit and at least one input / output interface; the logic circuit is used to perform a method as described in any possible implementation of the first or second aspect above.

[0081] The eighth aspect of this application provides a communication system, which includes a communication device that is an implementation of any of the possible embodiments of the third aspect and the fourth aspect.

[0082] The ninth aspect of this application provides a computer-readable storage medium for storing one or more computer-executable instructions, which, when executed by a processor, perform a method as described in any possible implementation of either the first or second aspect above.

[0083] The tenth aspect of this application provides a computer program product (or computer program) in which, when the computer program in the computer program product is executed by the processor, the processor executes any possible implementation of either the first or second aspect described above.

[0084] The eleventh aspect of this application provides a chip or chip system including at least one processor for supporting a method for a communication device to implement any possible implementation of the first or second aspect described above.

[0085] In one possible design, the chip system may further include at least one memory for storing program instructions and data necessary for the communication device. The chip system may be composed of chips or may include chips and other discrete components. Optionally, the chip system may also include interface circuitry that provides program instructions and / or data to at least one processor.

[0086] The technical effects of any of the design methods in aspects three through eleven can be found in the technical effects of different design methods in aspects one or two above, and will not be repeated here. Attached Figure Description

[0087] Figure 1 This is a schematic diagram of the communication system involved in this application;

[0088] Figure 2 This is a schematic diagram of several perception scenarios involved in this application;

[0089] Figure 3 This is a flowchart illustrating the communication method involved in this application;

[0090] Figure 4 This is an example diagram of BWP switching involved in this application;

[0091] Figure 5 This is another example diagram of BWP switching involved in this application;

[0092] Figures 6 to 9 Here are some structural schematic diagrams of the communication device involved in this application. Detailed Implementation

[0093] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0094] First, the communication systems that may be involved in the embodiments of this application will be described.

[0095] The technical solution of this application can be applied to cellular communication systems related to the 3rd Generation Partnership Project (3GPP). For example, 4th generation (4G) communication systems, 5G communication systems, and communication systems beyond the 5th generation. For example, future communication systems. For example, 4th generation communication systems may include Long Term Evolution (LTE) communication systems. 5th generation communication systems may include New Radio (NR) communication systems. The technical solutions of this application can also be applied to wireless fidelity (WiFi) systems, standalone (SA) scenarios, dual connectivity (DC), macro-micro scenarios composed of base stations of different forms (e.g., scenarios where wide-coverage base stations and small-coverage base stations coexist), device-to-device (D2D), vehicle-to-everything (V2X) communication systems, non-terrestrial networks (NTN), integrated access and backhaul (IAB) communication scenarios, reconfigurable intelligent surface (RIS) communication scenarios, etc., and are not specifically limited here.

[0096] For example, please refer to Figure 1 This is a schematic diagram of the architecture of the communication system 1000 used in an embodiment of this application. Figure 1 As shown, the communication system includes a radio access network (RAN) 100 and a core network 200. Optionally, the communication system 1000 may also include an Internet 300. The RAN 100 includes at least one RAN node (e.g., ...). Figure 1 110a and 110b, collectively referred to as 110, may also include at least one terminal device (such as...). Figure 1 RAN100, denoted as RAN100, comprises RAN nodes 120a-120j, collectively referred to as RAN120. RAN100 may also include other RAN nodes, such as wireless relay equipment and / or wireless backhaul equipment. Figure 1(Not shown in the image). Terminal device 120 is wirelessly connected to RAN node 110, and RAN node 110 is wirelessly or wired connected to core network 200. The core network equipment in core network 200 and RAN node 110 in RAN 100 can be independent physical devices, or they can be the same physical device integrating the logical functions of core network equipment and RAN nodes. Terminal devices and RAN nodes can be interconnected via wired or wireless means.

[0097] RAN100 can be an evolved universal terrestrial radio access (E-UTRA) system, an NR system, or a future radio access system as defined in 3GPP. RAN100 can also include two or more of the above-mentioned different radio access systems. RAN100 can also be an open RAN (O-RAN).

[0098] RAN nodes, also known as radio access network devices, RAN entities, or access nodes, are used to help terminal devices access communication systems wirelessly. Furthermore, RAN nodes can also be called network devices, which are apparatuses deployed in a radio access network to provide wireless communication and / or sensing functions for terminal devices. Network devices can include various forms of macro base stations, micro base stations (also known as small cells), relay stations, access points, etc. The names of network devices may differ in systems employing different radio access technologies. It is understood that all or part of the functions of the access network devices in this application can also be implemented through software functions running on hardware, or through virtualization functions instantiated on a platform (e.g., a cloud platform). The embodiments of this application do not limit the specific technologies or specific device forms used in the radio access network devices.

[0099] In one application scenario, a RAN node can be a base station, an evolved NodeB (eNodeB), a transmission reception point (TRP), a next-generation NodeB (gNB) in a 5G mobile communication system, or a base station in a future mobile communication system. A RAN node can also be a macro base station (such as...). Figure 1 110a in the text), can also be a micro base station or an indoor station (such as... Figure 1The RAN node (110b) can also be a relay node or donor node, or a wireless controller in a Cloud Radio Access Network (CRAN) scenario. Of course, in future communication systems, RAN nodes may also be wearable devices or vehicle-mounted devices, etc.

[0100] The communication systems and service scenarios described in the embodiments of this application are for the purpose of more clearly illustrating the technical solutions of the embodiments of this application, and do not constitute a limitation on the technical solutions provided in the embodiments of this application. As those skilled in the art will know, with the evolution of network architecture and the emergence of new service scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.

[0101] It is understandable that the above Figure 1 This is merely an example diagram of a communication system that may be involved in the embodiments of this application. In other embodiments, there may be other structural frameworks, which are not limited here.

[0102] With the development of communication technology, future communication systems may provide sensing services in addition to communication services. This type of network can be understood as an ISAC network. As an example, taking access network devices and / or terminal devices as sensing devices, sensing signals may be transmitted between access network devices and terminal devices, between terminal devices, and between access network devices. The following section uses a vehicle as an example to illustrate the combination of... Figure 2 Several scenarios are described exemplarily.

[0103] like Figure 2 As shown, the sensing signal can have the following seven scenarios:

[0104] Scenario 1: The access network device (e.g., BS) acts as the transmitter and controller, and the terminal device (e.g., UE) acts as the receiver. The signal transmitted by the access network device passes through the target object and is received by the terminal device. After receiving the signal, the terminal device performs signal processing at the processing node to obtain the perception result.

[0105] Scenario 2: The terminal device acts as the transmitter, and the access network device acts as the receiver and control end. The signal transmitted by the terminal device is received by the access network device after passing through the target object. After receiving the signal, the access network device performs signal processing at the processing node to obtain the sensing result.

[0106] Scenario 3: Access network device #1 acts as the transmitter and control end, and access network device #2 acts as the receiver. The signal transmitted by access network device #1 is received by access network device #2 after passing through the target object. After receiving the signal, access network device #2 performs signal processing at the processing node to obtain the sensing result.

[0107] Scenario 4: Terminal device #1 acts as the transmitter and control end, and terminal device #2 acts as the receiver. The signal transmitted by terminal device #1 is received by terminal device #2 after passing through the target object. After receiving the signal, terminal device #2 performs signal processing at the processing node to obtain the perception result.

[0108] Scenario 5: Access network device #1 acts as the transmitter, access network device #2 acts as the receiver, and access network device #3 acts as the control terminal. The signal transmitted by access network device #1 is received by access network device #2 after passing through the target object. After receiving the signal, access network device #2 performs signal processing at the processing node to obtain the sensing result.

[0109] Scenario 6: The access network device acts as the transmitter, receiver, and control unit. The signal transmitted by the access network device passes through the target object and is received by the access network device. After receiving the signal, the access network device performs signal processing at the processing node to obtain the sensing results, which include information such as distance, speed, angle, and intensity.

[0110] Scenario 7: The terminal device acts as the transmitter, receiver, and control unit. The signal transmitted by the terminal device passes through the target object and is received by the terminal device. After receiving the signal, the terminal device processes the signal at the processing node to obtain the perception result.

[0111] The target objects in the above scenarios may include one or more of the following: vehicles, pedestrians, bicycles, or drones, etc., without specific limitations here. The "effect" of the transmitted signal in the above scenarios may include one or more of the following: reflection, diffraction, or scattering, etc., without specific limitations here. The perception results in the above scenarios may include one or more of the following: the distance to the target object, the speed of the target object, the angle related to the target object (e.g., the angle of arrival or departure of the transmitted signal), or the strength of the received signal, etc.

[0112] Optional, Figure 2 The target objects in the various scenes shown can be either active or passive objects; this is not a limitation here. Furthermore, Figure 2The number of access network devices, terminal devices, and target objects in each scenario can be one or more, and there is no specific limitation here. Furthermore, the control terminal can also possess sensing capabilities. Alternatively, the control node can be a core network device, such as an access and mobility function (AMF), or a location management function (LMF), sensing management function (SMF), location server (LS), distribution system (DS), etc.

[0113] In this embodiment of the application, the terminal device may be the aforementioned Figure 1 or Figure 2 The terminal equipment and network equipment mentioned above can be the aforementioned Figure 1 or Figure 2 RAN nodes or core network, etc.

[0114] Secondly, some terms used in the embodiments of this application will be explained to facilitate understanding by those skilled in the art.

[0115] 1. Configuration and Pre-configuration: This application uses both configuration and pre-configuration. Configuration refers to the network device / server sending configuration information or parameter values ​​to the terminal via messages or signaling, so that the terminal can determine communication parameters or transmission resources based on these values ​​or information. Pre-configuration is similar to configuration; it can be parameter information or parameter values ​​pre-negotiated between the network device / server and the terminal device, parameter information or parameter values ​​specified by standard protocols for use by the base station / network device or terminal device, or parameter information or parameter values ​​pre-stored in the base station / server or terminal device. This application does not limit this.

[0116] Furthermore, these values ​​and parameters can be changed or updated.

[0117] 2. In this application, "for indicating" can include both direct and indirect indication. When describing an indication information as indicating A, it can be understood that the indication information carries A, directly indicates A, or indirectly indicates A.

[0118] In this application, the information indicated by the instruction information is called the information to be instructed. In specific implementation, there are many ways to instruct the information to be instructed. For example, it can be implemented through direct instruction, such as through the information to be instructed itself or its index. It can also be implemented indirectly by instructing other information, where there is a relationship between the other information and the information to be instructed. Alternatively, only a part of the information to be instructed can be indicated, while the other parts are known or pre-agreed upon. For example, the instruction of specific information can be achieved by using a pre-agreed (e.g., protocol-defined) arrangement of various pieces of information, thereby reducing instruction overhead to some extent.

[0119] The information to be instructed can be sent as a whole or divided into multiple sub-information messages, and the sending period and / or timing of these sub-information messages can be the same or different. This application does not limit the specific sending method. The sending period and / or timing of these sub-information messages can be predefined, for example, according to a protocol, or configured by the transmitting device by sending configuration information to the receiving device. This configuration information can include, for example, but not limited to, one or a combination of at least two of radio resource control (RRC) signaling, medium access control (MAC) layer signaling, and physical layer signaling. MAC layer signaling includes, for example, MAC layer control elements (CE); physical layer signaling includes, for example, downlink control information (DCI), uplink control information (UCI), sidelink control information (SCI), etc.

[0120] 3. In the embodiments of this application, "sending" and "receiving" indicate the direction of signal transmission. In this application, entity A sends information to entity B, either directly to B or indirectly through other entities. Similarly, entity B receives information from entity A, either directly or indirectly through other entities. Entities A and B can be radio access network (RAN) nodes or terminals, or modules within RAN nodes or terminals. Information sending and receiving can be information interaction between RAN nodes and terminals, such as information interaction between a base station and a terminal; information sending and receiving can also be information interaction between two RAN nodes, such as information interaction between a central unit (CU) and a distributed unit (DU); information sending and receiving can also be information interaction between different modules within a device, such as information interaction between a terminal chip and other modules of the terminal, or information interaction between a base station chip and other modules in the base station. "Sending" can also be understood as the "output" of the chip interface, such as the baseband chip outputting information to the radio frequency chip, and "receiving" can also be understood as the "input" of the chip interface; for example, "sending" can also be understood as the baseband part inside the device outputting information to the radio frequency part, and "receiving" can also be understood as the radio frequency part inside the device receiving the information output by the baseband part.

[0121] 4. The terms "system" and "network" in the embodiments of this application can be used interchangeably. "At least one" means one or more, and "more than one" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, or B exists alone, where A and B can be singular or plural. The character " / " generally indicates that the related objects before and after are in an "or" relationship. "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 and C" includes A, B, C, AB, AC, BC or ABC. And, unless otherwise specified, the ordinal numbers such as "first" and "second" mentioned in the embodiments of this application are used to distinguish multiple objects and are not used to limit the order, sequence, priority or importance of multiple objects.

[0122] 5. In this application, the terms "exemplarily," "for example," etc., are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as an "example" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of the term "example" is intended to present concepts in a concrete manner. In the embodiments of this application, "of," "corresponding, relevant," and "corresponding" may sometimes be used interchangeably, and it should be noted that their intended meanings are consistent unless their distinction is emphasized.

[0123] 6. Integrated Sensing and Communication (ISAC)

[0124] Communication and sensing integration can also be simply referred to as communication and sensing integration or communication and sensing. ISAC can be simply understood as the fusion of communication and sensing.

[0125] Among them, integrated communication and sensing technology will utilize wireless communication signals to achieve sensing functions such as target detection, positioning, identification, and imaging, thereby acquiring and reconstructing surrounding environmental information and propelling future communication networks into a digital twin era that merges the physical and digital worlds. The International Telecommunication Union (ITU) report on future technology trends points out that integrated communication and sensing technology will become one of the most promising key technology directions for next-generation mobile communication systems.

[0126] 7. Perception

[0127] Wireless sensing, also known as electromagnetic sensing, refers to the process of emitting electromagnetic energy into space and then calculating information about objects by receiving the reflected electromagnetic waves. This includes parameters such as position, direction, height, speed, size, and trajectory, as well as detecting the object's internal and external shape and structure. By exploring the transmission, echo, reflection, and scattering of radio waves, we can perceive and better understand the physical world. As an electromagnetic wave sensing technology, wireless sensing technology, due to its penetrability and security, can serve as an important alternative technology for security inspection, concealed object detection, environmental reconstruction, and monitoring.

[0128] Sensing can be further categorized into several types: single-base sensing, dual-base sensing, and multi-base sensing. Single-base sensing can also be called monostation sensing, dual-base sensing can also be called bistation sensing, and multi-base sensing can also be called multistation sensing.

[0129] Single-site sensing refers to a system where the transmitting device for the sensing signal and the receiving device for the echo signal are the same device. In other words, in single-site sensing, the transmitting device must both transmit the sensing signal and receive the echo signal reflected from the surface of the sensing target. Therefore, this single-site sensing can also be called a self-transmitting and self-receiving mode, without any restrictions.

[0130] Dual-station sensing refers to a system where the transmitting device for the sensing signal and the receiving device for the echo signal are two different devices. In other words, sensing station A transmits a sensing signal, and the echo signal reflected from the surface of the sensing target is received by sensing station B. Therefore, this dual-station sensing can also be called the A-transmit, B-receive mode. It should be noted that the echo signal is obtained after the sensing signal has passed through the sensing target (e.g., reflection, diffraction, or scattering), therefore, this echo signal can still be called the sensing signal.

[0131] Multi-station sensing refers to the joint operation of multiple devices in transmitting and receiving sensing signals. Specifically, multi-station sensing can be further divided into single-transmitter-multiple-receiver, multiple-transmitter-single-receiver, and multiple-transmitter-multiple-receiver scenarios. For example, in one possible scenario, sensing station A transmits a sensing signal, which, after passing through a sensing target, generates an echo signal, which is received by sensing stations B1 and B2. In another possible scenario, sensing stations A1 and A2 transmit sensing signals simultaneously or sequentially, which, after passing through a target, generate an echo signal, which is received by sensing station B. Yet another possible scenario, sensing stations A1 and A2 transmit sensing signals simultaneously or sequentially, which, after passing through a target, generate an echo signal, which is received by sensing stations B1 and B2. A special case is where multi-station sensing is achieved through multiple single-station sensing operations. For example, in a system, sensing station A performs single-station sensing, and sensing station B also performs single-station sensing; the final sensing results are then fused. Multi-station sensing can take many forms, and this application does not limit it.

[0132] The perception scenarios involved in this application can be as described above. Figure 2 As shown, the specifics will not be elaborated here.

[0133] 8. Primary Cell (PCell) and Secondary Cell (SCell)

[0134] PCell and SCell are important cell types in 5G NR, playing a crucial role in dual connectivity and carrier aggregation.

[0135] PCell is a cell operating on the primary frequency band. The UE performs the initial connection establishment process or begins the connection re-establishment process in this cell. During handover, this cell is designated as the primary cell.

[0136] SCells are cells operating in secondary frequency bands. Once an RRC connection is established, the secondary cell may be configured to provide additional radio resources.

[0137] The SCell has three states: active, deactivated, and dormant. An active SCell quickly enters dormant mode when there is no data. The SCell enters dormant mode based on the DCI instruction received on the PCell.

[0138] 9. Bandwidth Part (BWP)

[0139] BWP refers to the spectrum resources used by the terminal. The terminal can operate on different BWPs. Each BWP can use different parameter sets. The bandwidth, subcarrier spacing and other control parameters of each BWP can be different to adapt to different types of terminals and service types.

[0140] For example, in the first instance, the terminal's traffic is high, so the system allocates a large bandwidth (BWP1) to the terminal. In the second instance, the terminal's traffic is low, so the system allocates a small bandwidth (BWP2) to the terminal, which is sufficient to meet basic communication needs. In the third instance, the system detects a large area of ​​frequency-selective fading within the bandwidth of BWP1, or that resources within the frequency range of BWP1 are scarce, so it allocates a new bandwidth (BWP3) to the terminal.

[0141] Currently, PCells and SCells play a crucial role in scenarios such as dual connectivity or carrier aggregation. SCells exist in several states: active, deactivated, and dormant. An active SCell quickly enters a dormant state when there is no data. How to utilize the states of SCells for wireless sensing is a current hot topic.

[0142] In wireless communication systems, a SCell associated with a base station can be configured into a sleep state, causing the terminal device to stop monitoring the PDCCH of the sleep SCell. However, the terminal device can continue to perform CSI measurements, automatic gain control (AGC), and beam management (if configured). Sleep behavior allows multiple carriers to remain active, and the terminal device can save power by not monitoring the PDCCH on multiple carriers. The terminal device can continue to perform necessary measurements before the sleep SCell is activated, achieving a balance between activation wait time and power consumption. Based on the above ideas, embodiments of this application provide a communication method and related apparatus. The terminal device determines the sensing measurement configuration of a sleep-state secondary cell through received first information, which indicates the downlink sensing measurement configuration of the sleep-state secondary cell. For example, the terminal device can be configured in a sleep state configuration such that it can measure downlink sensing measurements associated with at least one frequency corresponding to the sleep-state secondary cell. This avoids the terminal device performing PDCCH monitoring for communication, saving terminal device power consumption.

[0143] The communication system architecture provided in the embodiments of this application has been described above. The communication method provided in the embodiments of this application will be described in detail below.

[0144] Please see Figure 3 This application provides a flowchart illustrating a communication method, which may include steps 301 to 303. Steps 301 to 303 may be executed by a communication device, or by some components of the communication device (e.g., processor, circuit, chip, or chip system), or by a logic module or software capable of implementing all or part of the functions of the communication device. The following description uses the interaction between a terminal device and a network device as an example. The processing performed by a single execution entity in steps 301 to 303 can also be divided into multiple execution entities, which may be logically and / or physically separated. For example, when the communication device is an access network device, the processing performed by the communication device may be divided into at least one execution entity among network elements such as CU, DU, or RU. This method can be applied to the aforementioned... Figure 1 or Figure 2 In any of the system architectures shown, the specifics are not limited here.

[0145] Due to the long intervals between the steps, steps 301 to 303 will be briefly described here first, and then described in detail later. Step 301: The network device sends first information to the terminal device. Step 302: The terminal device performs sensing measurements on the dormant secondary cell based on the first information to obtain the sensing measurement results. Step 303: The terminal device switches to a new BWP and uses the switched BWP to perform sensing measurements.

[0146] Step 301: The network device sends the first information to the terminal device.

[0147] In step 301, the network device sends first information to the terminal device. Correspondingly, the terminal device receives the first information sent by the network device. This terminal device can be one of the aforementioned... Figure 1 or Figure 2 The terminal device in the network device can be the aforementioned Figure 1 or Figure 2 RAN nodes or base stations, etc.

[0148] The first information is used to indicate the sensing measurement configuration of the secondary cell in dormant mode. This first information can also be called configuration information, enable information, or activation information, etc. That is, step 301 can also be understood as the process by which the network device configures, activates, or enables the sensing measurement of the secondary cell in dormant mode for the terminal device.

[0149] For example, the first information may be measurement configuration information or measConfig. Alternatively, the first information may be enable or activation information. This can be understood as follows: the network device has already configured / pre-configured various parameters of the sensing measurement dormant secondary cell for the terminal device before step 301. However, the terminal device needs to receive the first information before using the parameters. It can also be understood that the parameters previously allocated to the terminal device by the network device have not been activated, and the first information activates the parameters so that they can be used by the terminal device. It is understood that this example is merely illustrative; in other embodiments, the terminal device may also directly use the parameters, etc., after receiving the first information, and this is not specifically limited here.

[0150] The first information in the embodiments of this application may be carried in one or more of the following: RRC, MAC CE, DCI, etc., and no specific limitation is made here.

[0151] Optionally, the first information may also be used to indicate one or more of the following: whether sensing measurements are allowed for dormant secondary cells, resources related to sensing measurements, whether at least two dormant partial bandwidths (dormantBWPs) are configured, parameters related to sensing measurements (e.g., the amount of sensing measurements, the measurement threshold, etc.), and parameters related to the reporting of sensing measurement results (e.g., the reporting amount, the time-frequency resources of sensing measurement results), etc., without being limited here.

[0152] It should be noted that the measured quantity and the reported quantity can be the same or different. In other words, the terminal device can report all the measured quantities it senses, or it can report only a portion of them.

[0153] The measurement quantities of the sensing measurement may include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, the Doppler parameters of the first signal, etc., without being limited here.

[0154] The aforementioned first signal can also be called a sensing measurement signal or a reference signal. The reference signal can also be called a pilot, reference sequence, or reference signal. Reference signals can be used for sensing measurements and include, for example, one or more of the following: channel sounding reference signal (SRS), phase noise tracking reference signal (PTRS), positioning signal (RS), synchronization signal block (SSB), channel status information reference signal (CSI-RS), cell reference signal (CRS), and time / frequency domain tracking synchronization signal (TRS), etc.

[0155] For example, the first information is specifically used to indicate the permission to perform sensing measurements on dormant secondary cells and the resources associated with the sensing measurements.

[0156] For example, the first information is used to indicate that at least two dormant BWPs are configured. Compared to the existing case of only one dormant BWP, having at least two BWPs facilitates the subsequent implementation of sensing and measurement of dormant secondary cells by the terminal device after switching from low bandwidth to high bandwidth, thereby improving the accuracy of sensing and measurement.

[0157] Step 302: The terminal device performs sensing measurements on the dormant secondary cell based on the first information to obtain the sensing measurement results.

[0158] After receiving the first information, the terminal device performs sensing measurements on the dormant secondary cell based on the first information to obtain the sensing measurement results. For example, sensing measurements can be performed on the downlink of the dormant secondary cell.

[0159] The parameters used for sensing measurements are related to the sleep mode configuration. Alternatively, it can be understood that the terminal device performs sensing measurements based on the sleep mode configuration to obtain the sensing measurement results.

[0160] Step 302 can be interpreted in several ways. For example, step 302 can be interpreted as: the terminal device performs sensing measurements on at least one frequency-related downlink of a secondary cell that is in a dormant state.

[0161] Optionally, the terminal device performs sensing and measurement on the first signal, and the sensing and measurement process can refer to the aforementioned process. Figure 2 The description of the illustrated embodiment will not be repeated here. Accordingly, the sensing measurement results may include one or more of the following: the value of the first signal-related measurement quantity in step 301, whether there is a sensing target on the sensing measurement channel, whether the sensing measurement channel is line-of-sight (LOS) or non-line-of-sight (NLOS), whether the sensing target is moving, etc.

[0162] For example, if the channel is NLOS, it indicates that a target has been detected. Conversely, if the channel is LOS, it indicates that no target has been detected. As another example, if the measured value is within a first preset range, it indicates that a target has been detected. Conversely, if the measured value is within a second preset range, it indicates that no target has been detected. The first preset range and the second preset range are different or do not overlap.

[0163] Optionally, the terminal device uses the dormant BWP to perform sensing measurements on the dormant secondary cell, which can be configured or pre-configured.

[0164] Step 303: The terminal device switches to the BWP and uses the switched BWP for sensing measurements. This step is optional.

[0165] Optionally, the terminal device can also switch the BWP and use the switched BWP for sensing measurements.

[0166] In one possible implementation, the terminal device actively switches the BWP. Alternatively, this can be understood as the terminal device switching the BWP based on sensing measurement results. The BWP switching will be described in detail later and will not be elaborated on here.

[0167] In another possible implementation, the terminal device passively switches the BWP. Alternatively, this can be understood as the terminal device sending sensing measurement results to the network device. Correspondingly, the network device receives the sensing measurement results from the terminal device and determines whether to switch the BWP based on these results. The network device then sends a first indication message to the terminal device, which indicates whether to switch the BWP and is related to the sensing measurement results.

[0168] It should be noted that the sensing measurement results can be all the results obtained by the terminal device from the sensing measurement, or only some of the results. That is, the terminal device can report all the measured quantities, or only a part of them.

[0169] Furthermore, to ensure the stability of the sensing measurement results fed back by the terminal device, the terminal device can send the sensing measurement results to the network device through the link of the main cell.

[0170] Furthermore, the terminal device can request a BWP switch. For example, the terminal device sends a second message to the network device requesting a BWP switch. Correspondingly, after receiving the second message from the terminal device, the network device sends a first indication message to the terminal device. Of course, the second message and the sensing measurement result can be the same or different information. For example, after receiving the sensing measurement result, the network device assumes the terminal device has requested a BWP switch. Alternatively, after receiving the sensing measurement result, the network device determines whether to send the first indication message to the terminal device based on the sensing measurement result.

[0171] In this application embodiment, there are several situations for switching BWP, which are described below:

[0172] In the first scenario, the dormant secondary cell is configured with a dormant BWP.

[0173] Optionally, if a first condition is met within a first time period, the BWP switches from a dormant state to an active state. The first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0174] Alternatively, it can be understood that since there is only one dormant BWP, when the first condition is met in the first time period, the BWP switches from the dormant state to the active state. The active BWP is then used for sensing and measurement, thereby improving sensing accuracy.

[0175] For example, if the channel is NLOS, indicating target detection, the system can switch from a narrowband dormant BWP to a wideband active BWP to improve sensing performance. Of course, NLOS only provides the most basic indication of target detection. For static target detection, a first preset range needs to be considered; that is, the superposition of NLOS and the first preset range can be used to determine whether to switch BWPs. As another example, if the channel is NLOS and the transmission parameters of the first signal are within the first preset range, the system can switch from a narrowband dormant BWP to a wideband active BWP to improve sensing performance.

[0176] Further optionally, after switching from a dormant BWP to an active BWP, if a second condition is met within a second time period, the BWP switches from the active BWP to a dormant BWP. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range. This second preset range is different from the aforementioned first preset range, or the second preset range does not overlap with the aforementioned first preset range.

[0177] For example, if the channel reverts to a LOS state, the system can switch from a broadband active BWP to a narrowband dormant BWP to save power on the terminal device. Of course, LOS is only the most basic requirement for target presence detection. For static target detection, a second preset range needs to be considered; that is, the decision to switch BWPs can be made by superimposing the LOS value with the second preset range. As another example, if the channel is LOS and the transmission parameters of the first signal are within the second preset range, the system can switch from a broadband active BWP to a narrowband dormant BWP to save power on the terminal device.

[0178] For example, switching BWP in this situation can be as follows: Figure 4 As shown. When the first condition is met, the BWP switching specifically involves switching from a dormant BWP to an active BWP.

[0179] In the second scenario, the dormant secondary cell is configured with at least two dormant BWPs.

[0180] Among them, at least two dormant BWPs include a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP.

[0181] There are several ways to achieve this, which will be described below.

[0182] The first method, switching BWP, includes: switching from the first BWP to the second BWP.

[0183] This approach can also be understood as improving subsequent sensing accuracy by switching to a dormant BWP and increasing the bandwidth of the dormant BWP.

[0184] In this mode, the BWP used by the terminal device is the first BWP. If a first condition is met within a first time period, the device switches from the first BWP to the second BWP. The first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range.

[0185] For example, if the channel is NLOS, indicating target detection, the system can switch from the narrowband first BWP to the wideband second BWP to improve sensing performance. Of course, NLOS only provides the most basic indication of target detection. For static target detection, a first preset range needs to be considered; that is, the superposition of NLOS and the first preset range can be used to determine whether to switch BWPs. Again, for example, if the channel is NLOS and the transmission parameters of the first signal are within the first preset range, the system can switch from the narrowband first BWP to the wideband second BWP to improve sensing performance.

[0186] The second method, switching BWP, includes switching from the second BWP to the first BWP.

[0187] This method can also be understood as reducing power consumption of the terminal device by switching to the sleep-state BWP and reducing the bandwidth of the sleep-state BWP. This method can also be called fallback mode.

[0188] In this mode, the BWP used by the terminal device is the second BWP. If the second condition is met within the second time period, the second BWP switches to the first BWP. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range.

[0189] For example, if the channel reverts to a LOS state, the system can switch from the broadband second BWP to the narrowband first BWP to save power consumption of the terminal equipment. Of course, LOS only provides the most basic detection capability; for static target detection, a second preset range needs to be considered. That is, the decision to switch BWPs can be determined by superimposing the LOS value with the second preset range. For another example, if the channel is LOS and the transmission parameters of the first signal are within the second preset range, the system can switch from the broadband second BWP to the narrowband first BWP to save power consumption of the terminal equipment.

[0190] For example, switching BWP in this situation can be as follows: Figure 5 As shown. When the first condition is met, the BWP switching specifically involves switching from the first BWP to the second BWP. When the first condition is met, the BWP switching specifically involves switching from the second BWP back to the first BWP.

[0191] It is understood that the above situations or methods are just examples. In other embodiments, there may be other situations or methods. For example, when the terminal device determines the BWP handover, it can combine the priorities of communication and perception to make a joint judgment. The specifics are not limited here.

[0192] Furthermore, the decision to switch BWPs can be made by either the terminal device or the network device. For example, the terminal device might make the decision and then switch the BWP. Alternatively, the network device might make the decision and then send a BWP switching instruction to the terminal device.

[0193] In this embodiment, on one hand, the terminal device determines the sensing measurement configuration of the dormant secondary cell by receiving first information, and then performs sensing measurements on the dormant secondary cell according to the first information. That is, the first information is used to indicate the downlink sensing measurement configuration of the dormant secondary cell. For example, the terminal device can be configured in a dormant secondary cell configuration such that it can measure downlink sensing measurements associated with at least one frequency of the dormant secondary cell. This avoids the terminal device performing PDCCH monitoring, saving power consumption. On the other hand, a first condition can be used to enable BWP handover to improve subsequent sensing accuracy. Conversely, a second condition can also be used to enable BWP handover to reduce power consumption of the terminal device.

[0194] The communication method in the embodiments of this application has been described above. The communication device in the embodiments of this application is described below. Please refer to [link / reference]. Figure 6 This application presents an embodiment of a communication device 600. This communication device 600 can implement the functions of the terminal device or network device in the above-described method embodiments, and therefore also achieves the beneficial effects of the above-described method embodiments. In this application embodiment, the communication device 600 can be a communication device, or it can be an integrated circuit or component within the communication device, such as a chip. The communication device 600 includes a transceiver unit 601. Alternatively, the communication device 600 includes a transceiver unit 601 and a processing unit 602, wherein the transceiver unit 601 is used to perform operations related to transmission and reception of the terminal device or network device in the above-described method embodiments, and the processing unit 602 is used to perform other operations of the terminal device or network device in the above-described method embodiments besides transmission and reception operations.

[0195] In one possible implementation, the communication device 600 is as described above. Figures 1 to 5 In the terminal device shown in the embodiment, the functions of each unit are as follows:

[0196] The transceiver unit 601 is used to receive first information, which is used to indicate the sensing measurement configuration of the secondary cell in the dormant state;

[0197] The processing unit 602 is used to perform sensing measurements on the dormant secondary cell based on the first information to obtain the sensing measurement results;

[0198] Optionally, the first information described above is used to indicate one or more of the following: whether sensing measurements are allowed for dormant secondary cells, resources related to sensing measurements, and whether at least two dormant partial bandwidth (dormantBWP) units are configured.

[0199] Optionally, the above-mentioned sensing measurements are related to the dormant BWP of the secondary cell; the terminal device can also switch BWPs and use the switched BWPs for sensing measurements.

[0200] Optionally, the transceiver unit 601 is further configured to transmit sensing measurement results; the transceiver unit 601 is further configured to receive first indication information, the first indication information being used to indicate switching of BWP, and the first indication information being related to the sensing measurement results.

[0201] Optionally, the transceiver unit 601 is also configured to send a second message, which is used to request a switch of BWP; and a first indication message is used to respond to the second message.

[0202] Optionally, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the BWP handover includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0203] Optionally, the processing unit 602 is further configured to switch from the active state BWP to the dormant state BWP when the second condition is met during the second time period. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range. The transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0204] Optionally, the secondary cell in the above-mentioned dormant state is configured with at least two dormant BWPs, including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the first condition is met within the first time period, the BWP handover includes: handover from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0205] Optionally, the secondary cell in the above-mentioned dormant state is configured with at least two dormant BWPs, including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met during the second time period, the BWP handover includes: handover from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0206] Optionally, the aforementioned first information is carried in one or more of the following: RRC signaling, MAC CE, and DCI.

[0207] Optionally, the measured quantities of the above sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0208] In this embodiment, the operations performed by each unit in the communication device are the same as those described above. Figures 1 to 5 The terminal devices in the illustrated embodiments are described similarly, and will not be repeated here.

[0209] In this embodiment, the transceiver unit 601 determines the sensing measurement configuration of the secondary cell in a dormant state based on the received first information. For example, the terminal device can be configured in a dormant state for the secondary cell, enabling the terminal device to measure downlink sensing measurements associated with at least one frequency of the secondary cell corresponding to the dormant state. This avoids the terminal device performing PDCCH monitoring for communication, saving power consumption.

[0210] In another possible implementation, the communication device 600 is as described above. Figures 1 to 5 The network device shown in the embodiment has the following functions for each unit:

[0211] The transceiver unit 601 is used to transmit first information, which is used to indicate the sensing measurement configuration of the secondary cell in the dormant state;

[0212] Optionally, the aforementioned first information is used to indicate one or more of the following: whether sensing measurements are allowed for dormant secondary cells, resources related to sensing measurements, and whether at least two dormant partial bandwidth (dormant BWP) are configured.

[0213] In this possible implementation, the first information can also indicate other information used for sensing measurements in the dormant secondary cell, thereby facilitating network equipment to schedule terminal equipment to perform corresponding sensing measurements.

[0214] Optionally, the transceiver unit 601 is further configured to receive sensing measurement results, which are the results obtained from sensing measurements in the dormant secondary cell; the transceiver unit 601 is further configured to send first indication information, which is used to indicate the handover of the BWP, and the first indication information is related to the sensing measurement results.

[0215] Optionally, the transceiver unit 601 is also configured to receive second information, which is used to request a switch of BWP; and the first indication information is used to respond to the second information.

[0216] Optionally, the secondary cell in the dormant state is configured with one dormant BWP; if the first condition is met within the first time period, the transceiver unit 601 is further used to instruct the terminal device to switch the BWP, the BWP switching includes: switching from the dormant BWP to the active BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0217] Optionally, when the second condition is met during the second time period, the transceiver unit 601 is further configured to instruct the terminal device to switch from the active state BWP to the dormant state BWP. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

[0218] Optionally, the secondary cell in the above-mentioned dormant state is configured with at least two dormant BWPs, including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the first condition is met within the first time period, the transceiver unit 601 is further used to instruct the terminal device to switch BWPs, the switching of BWPs includes: switching from the first BWP to the second BWP; the first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0219] Optionally, the secondary cell in the above-mentioned dormant state is configured with at least two dormant BWPs, including a first BWP and a second BWP; the bandwidth of the first BWP is less than the bandwidth of the second BWP; if the second condition is met within the second time period, the transceiver unit 601 is further used to instruct the terminal device to switch BWPs, the switching of BWPs includes: switching from the second BWP to the first BWP; the second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or reference signal received power.

[0220] Optionally, the aforementioned first information is carried in one or more of the following: Radio Resource Control (RRC) signaling, Media Access Control - Control Element (MAC CE), and Downlink Control Information (DCI).

[0221] Optionally, the measured quantities of the above sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

[0222] In this embodiment, the operations performed by each unit in the communication device are the same as those described above. Figures 1 to 5 The network devices in the illustrated embodiments are described similarly, and will not be repeated here.

[0223] In this embodiment, the transceiver unit 601 instructs the sensing measurement configuration of the dormant secondary cell by sending first information. For example, the terminal device can be configured to a dormant secondary cell configuration, enabling the terminal device to measure downlink sensing measurements associated with at least one frequency of the dormant secondary cell. This avoids the terminal device performing PDCCH monitoring, saving power consumption.

[0224] Please see Figure 7 This is another schematic structural diagram of the communication device 700 provided in this application. The communication device 700 includes a logic circuit 701 and an input / output interface 702. The communication device 700 can be a chip or an integrated circuit.

[0225] in, Figure 6 The transceiver unit 601 shown can be a communication interface, which can be... Figure 7 The input / output interface 702 may include an input interface and an output interface. Alternatively, the communication interface may also be a transceiver circuit, which may include an input interface circuit and an output interface circuit. Figure 6The processing unit 602 shown can be Figure 7 The logic circuit 701 in the middle.

[0226] The logic circuit 701 and the input / output interface 702 can also perform other steps executed by the network device or terminal device in any embodiment and achieve corresponding beneficial effects, which will not be elaborated here.

[0227] For example, when the communication device 700 is a terminal device, the input / output interface 702 can be used for one or more of the following: receiving first information, receiving first indication information, sending sensing measurement results, etc. The logic circuit 701 can be used for one or more of the following: performing sensing measurements on dormant secondary cells, handing over BWP, etc.

[0228] For example, when the communication device 700 is a network device, the input / output interface 702 can be used for one or more of the following: sending first information, sending first instruction information, receiving sensing measurement results, etc.

[0229] Optionally, the logic circuit 701 can be a processing device, the functions of which can be partially or entirely implemented in software.

[0230] Optionally, the processing apparatus may include a memory and a processor, wherein the memory is used to store a computer program, and the processor reads and executes the computer program stored in the memory to perform the corresponding processing and / or steps in any of the method embodiments.

[0231] Optionally, the processing device may consist of only a processor. A memory for storing computer programs is located outside the processing device, and the processor is connected to the memory via circuitry / wires to read and execute the computer programs stored in the memory. The memory and processor may be integrated together or physically independent of each other.

[0232] Optionally, the processing device may be one or more chips, or one or more integrated circuits. For example, the processing device may be one or more field-programmable gate arrays (FPGAs), application-specific integrated circuits (ASICs), system on-chips (SoCs), central processors (CPUs), network processors (NPs), digital signal processors (DSPs), microcontroller units (MCUs), programmable logic devices (PLDs), or other integrated chips, or any group of the above chips or processors.

[0233] Please see Figure 8 The communication device 800 mentioned in the above embodiments provided in this application can specifically be a communication device that serves as a network device or a terminal device in the above embodiments, or it can be a chip or functional module in a network device or a terminal device.

[0234] The present invention is a possible logical structure diagram of the communication device 800, which may include, but is not limited to, at least one processor 801 and a communication port 802.

[0235] in, Figure 6 The transceiver unit 601 shown can be a communication interface, which can be... Figure 8 The communication port 802 in the chip may include an input interface and an output interface. Alternatively, the communication port 802 may also be a transceiver circuit, which may include an input interface circuit and an output interface circuit, or it may be the chip's input / output interface.

[0236] Further optionally, the device may also include at least one of a memory 803 and a bus. In embodiments of this application, the at least one processor 801 is used to control the operation of the communication device 800. The memory 803 is used to store device program code and / or data.

[0237] For example, when the communication device 800 is a terminal device, the communication port 802 can be used for one or more of the following: receiving first information, receiving first indication information, sending sensing measurement results, etc. At least one processor 801 can be used for one or more of the following: performing sensing measurements on dormant secondary cells, handing over BWP, etc.

[0238] For example, when the communication device 800 is a network device, the communication port 802 can be used for one or more of the following: sending first information, sending first instruction information, receiving sensing measurement results, etc.

[0239] Furthermore, the processor 801 can be a central processing unit, a general-purpose processor, a digital signal processor, an application-specific integrated circuit, a field-programmable gate array, or other programmable logic devices, transistor logic devices, hardware components, or any combination thereof. It can implement or execute the various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application. The processor can also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a digital signal processor and a microprocessor, etc. Those skilled in the art will clearly 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.

[0240] It is understandable that this application relates to Figure 8 The number of each component shown is not limited. For example, the number of processors 801, communication ports 802, and memory 803 can each be one or more, and the specific number is not limited here.

[0241] It should be noted that, Figure 8 The communication device 800 shown can be used to implement the steps implemented by the network device or terminal device in the aforementioned method embodiments, and achieve the corresponding technical effects. Figure 8 The specific implementation of the communication device shown can be referred to the description in the foregoing method embodiments, and will not be repeated here.

[0242] Please see Figure 9 The above-described embodiments of the communication device 900 provided in this application are structural schematic diagrams. Specifically, the communication device 900 can be a network device as described in the above embodiments. The structure of this communication device can be referenced... Figure 9 The structure shown.

[0243] The communication device 900 includes at least one processor 911 and at least one network interface 914. Optionally, the communication device further includes at least one memory 912, at least one transceiver 913, and one or more antennas 915. The processor 911, memory 912, transceiver 913, and network interface 914 are connected, for example, via a bus. In this embodiment, the connection may include various interfaces, transmission lines, or buses, etc., and this embodiment is not limited thereto. The antenna 915 is connected to the transceiver 913. The network interface 914 enables the communication device to communicate with other communication devices through a communication link. For example, network interface 914 may include a network interface between the communication device and core network equipment, such as an S1 interface, or a network interface between the communication device and other communication devices (e.g., other network devices or core network equipment), such as an X2 or Xn interface.

[0244] in, Figure 9 The transceiver unit 901 shown can be a communication interface, which can be... Figure 9 The network interface 914 may include an input interface and an output interface. Alternatively, the network interface 914 may also be a transceiver circuit, which may include input interface circuitry and output interface circuitry.

[0245] The processor 911 is primarily used to process communication protocols and communication data, control the entire communication device, execute software programs, and process data from the software programs, for example, to support the communication device in performing the actions described in the embodiments. The communication device may include a baseband processor and a central processing unit (CPU). The baseband processor is primarily used to process communication protocols and communication data, while the CPU is primarily used to control the entire communication device, execute software programs, and process data from the software programs. Figure 9 The processor 911 can integrate the functions of a baseband processor and a central processing unit. Those skilled in the art will understand that the baseband processor and the central processing unit can also be independent processors interconnected via technologies such as buses. Those skilled in the art will understand that a communication device can include multiple baseband processors to adapt to different network standards, and multiple central processing units to enhance its processing capabilities. The various components of the communication device can be connected via various buses. The baseband processor can also be described as a baseband processing circuit or a baseband processing chip. The central processing unit can also be described as a central processing circuit or a central processing chip. The function of processing communication protocols and communication data can be built into the processor or stored in memory as a software program, with the processor executing the software program to implement the baseband processing function.

[0246] The memory is primarily used to store software programs and data. The memory 912 can exist independently or be connected to the processor 911. Optionally, the memory 912 can be integrated with the processor 911, for example, integrated into a single chip. The memory 912 can store program code that executes the technical solutions of the embodiments of this application, and its execution is controlled by the processor 911. The various types of computer program code being executed can also be considered as drivers for the processor 911.

[0247] Figure 9 Only one memory and one processor are shown. In actual communication devices, there may be multiple processors and multiple memories. Memory can also be called storage medium or storage device, etc. Memory can be a storage element on the same chip as the processor, i.e., an on-chip storage element, or it can be a separate storage element; this application does not limit this.

[0248] Transceiver 913 can be used to support the reception or transmission of radio frequency (RF) signals between a communication device and a terminal. Transceiver 913 can be connected to antenna 915. Transceiver 913 includes a transmitter Tx and a receiver Rx. Specifically, one or more antennas 915 can receive RF signals. The receiver Rx of transceiver 913 receives the RF signals from the antennas, converts the RF signals into digital baseband signals or digital intermediate frequency (IF) signals, and provides the digital baseband signals or IF signals to processor 911 so that processor 911 can perform further processing on the digital baseband signals or IF signals, such as demodulation and decoding. Furthermore, the transmitter Tx in transceiver 913 is also used to receive modulated digital baseband signals or IF signals from processor 911, convert the modulated digital baseband signals or IF signals into RF signals, and transmit the RF signals through one or more antennas 915. Specifically, the receiver Rx can selectively perform one or more stages of downmixing and analog-to-digital conversion on the radio frequency signal to obtain a digital baseband signal or a digital intermediate frequency (IF) signal. The order of these downmixing and IF conversion processes is adjustable. The transmitter Tx can selectively perform one or more stages of upmixing and digital-to-analog conversion on the modulated digital baseband signal or digital IF signal to obtain a radio frequency signal. The order of these upmixing and IF conversion processes is also adjustable. The digital baseband signal and the digital IF signal can be collectively referred to as digital signals.

[0249] The transceiver 913 can also be called a transceiver unit, transceiver, transceiver device, etc. Optionally, the device in the transceiver unit that performs the receiving function can be regarded as the receiving unit, and the device in the transceiver unit that performs the transmitting function can be regarded as the transmitting unit. That is, the transceiver unit includes a receiving unit and a transmitting unit. The receiving unit can also be called a receiver, input port, receiving circuit, etc., and the transmitting unit can be called a transmitter, transmitter, or transmitting circuit, etc.

[0250] For example, transceiver 913 can be used for one or more of the following: sending first information, sending first instruction information, receiving sensing measurement results, etc.

[0251] It should be noted that, Figure 9 The communication device 900 shown can be used to implement the steps implemented by the network device in the aforementioned method embodiments, and to achieve the corresponding technical effects of the network device. Figure 9 The specific implementation of the communication device 900 shown can be referred to the description in the foregoing method embodiments, and will not be repeated here.

[0252] When the aforementioned communication device is a chip applied to a terminal, the terminal chip implements the functions of the terminal in the above method embodiments. The terminal chip receives information from other modules (such as an RF module or antenna) in the terminal, information sent to the terminal by the base station; or, the terminal chip sends information to other modules (such as an RF module or antenna) in the terminal, information sent to the base station by the terminal. For example, in the case of a terminal, sending information can be understood as the process of the terminal's chip outputting information.

[0253] When the aforementioned communication device is a module applied to a base station, the base station module implements the functions of the base station in the above method embodiments. The base station module receives information from other modules (such as radio frequency modules or antennas) in the base station, information sent by the terminal to the base station; or, the base station module sends information to other modules (such as radio frequency modules or antennas) in the base station, information sent by the base station to the terminal. Here, the base station module can be the baseband chip of the base station, or a DU (Digital Unit) or other modules. The DU can be a DU under an Open Radio Access Network (O-RAN) architecture. For example, in the case of a base station, the base station sending information can be understood as the process of the base station's chip outputting information.

[0254] The method steps in the embodiments of this application can be implemented in hardware or in software instructions executable by a processor. The software instructions can consist of corresponding software modules, which can be stored in random access memory, flash memory, read-only memory, programmable read-only memory, erasable programmable read-only memory, electrically erasable programmable read-only memory, registers, hard disks, portable hard disks, CD-ROMs, or any other form of storage medium known in the art. An exemplary storage medium is coupled to a processor, enabling the processor to read information from and write information to the storage medium. The storage medium can also be a component of the processor. The processor and storage medium can reside in an ASIC. Alternatively, the ASIC can reside in a base station or terminal. The processor and storage medium can also exist as discrete components in a base station or terminal.

[0255] In the above embodiments, implementation can be achieved entirely or partially through software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented entirely or partially in the form of a computer program product. The computer program product includes one or more computer programs or instructions. When the computer program or instructions are loaded and executed on a computer, the processes or functions described in the embodiments of this application are performed entirely or partially. The computer can be a general-purpose computer, a special-purpose computer, a computer network, a network device, a user equipment, or other programmable device. The computer program or instructions can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, the computer program or instructions can be transferred from one website, computer, server, or data center to another website, computer, server, or data center via wired or wireless means. The computer-readable storage medium can 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 can be a magnetic medium, such as a floppy disk, hard disk, or magnetic tape; it can also be an optical medium, such as a digital video optical disc; or it can be a semiconductor medium, such as a solid-state drive. The computer-readable storage medium may be a volatile or non-volatile storage medium, or may include both types of storage media.

[0256] In the various embodiments of this application, unless otherwise specified or in case of logical conflict, the terminology and / or descriptions of different embodiments are consistent and can be referenced by each other. The technical features of different embodiments can be combined to form new embodiments according to their inherent logical relationship.

Claims

1. A communication method, characterized in that, The method includes: Receive first information, which is used to indicate the sensing measurement configuration of the secondary cell in dormant state; Based on the first information, the dormant secondary cell is subjected to sensing measurements to obtain sensing measurement results.

2. The method according to claim 1, characterized in that, The first information is used to indicate one or more of the following: whether sensing measurements are allowed for the dormant secondary cell, resources associated with the sensing measurements, and whether at least two dormant partial bandwidth BWPs are configured.

3. The method according to claim 1 or 2, characterized in that, The sensing measurement is related to the dormant BWP of the secondary cell; The method further includes: Switch to BWP and use the switched BWP for sensing measurements.

4. The method according to claim 3, characterized in that, Before switching BWP, the method further includes: Send the sensing measurement results; Receive first indication information, which is used to indicate switching BWP, and the first indication information is related to the sensing measurement result.

5. The method according to claim 4, characterized in that, After sending the sensing measurement result, the method further includes: Send a second message, which requests a switch to BWP; the first indication message is used to respond to the second message.

6. The method according to any one of claims 3 to 5, characterized in that, The secondary cell in the dormant state is configured with one dormant BWP; If the first condition is met within the first time period, the switching of BWP includes: switching from a dormant BWP to an active BWP; The first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the channel where the first signal is located is a line-of-sight (LOS) channel, and the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

7. The method according to claim 6, characterized in that, The method further includes: If the second condition is met during the second time period, the BWP will switch from the active state to the dormant state. The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the transmission parameters of the first signal are within a second preset range. The transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

8. The method according to any one of claims 3 to 5, characterized in that, The secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; The bandwidth of the first BWP is less than the bandwidth of the second BWP; If the first condition is met within the first time period, the switching of BWP includes: switching from the first BWP to the second BWP; The first condition includes one or more of the following: the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and / or the transmission parameters of the first signal are within a first preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

9. The method according to any one of claims 3 to 5 or 8, characterized in that, The secondary cell in the dormant state is configured with at least two dormant BWPs, the at least two dormant BWPs including a first BWP and a second BWP; The bandwidth of the first BWP is less than the bandwidth of the second BWP; If the second condition is met during the second time period, the switching of BWP includes: switching from the second BWP to the first BWP; The second condition includes one or more of the following: the channel where the first signal is located is a line-of-sight (LOS) channel, and / or the channel where the first signal is located is a non-line-of-sight (NLOS) channel, and the transmission parameters of the first signal are within a second preset range; the transmission parameters include one or more of the following: Doppler parameters, radar cross section (RCS), signal-to-noise ratio (SNR), signal-to-interference-plus-noise ratio (SINR), received power, or received power of a reference signal.

10. The method according to any one of claims 1 to 9, characterized in that, The first information is carried in one or more of the following: Radio Resource Control (RRC) signaling, Media Access Control - Control Element (MAC CE), and Downlink Control Information (DCI).

11. The method according to any one of claims 1 to 10, characterized in that, The measured quantities of the sensing measurement include one or more of the following: the transmission angle of the first signal, the reception angle of the first signal, the transmission delay of the first signal, the reception power of the first signal, the signal-to-noise ratio of the first signal, the signal-to-interference-plus-noise ratio of the first signal, and the Doppler parameters of the first signal.

12. A communication method, characterized in that, The method includes: Send a first message, which is used to indicate the sensing measurement configuration of the secondary cell in dormant state.

13. The method according to claim 12, characterized in that, The first information is used to indicate one or more of the following: whether sensing measurements are allowed for the dormant secondary cell, resources associated with the sensing measurements, and whether at least two dormant partial bandwidth BWPs are configured.

14. The method according to claim 12 or 13, characterized in that, The method further includes: Receive sensing measurement results, which are the results obtained from sensing measurements in the dormant secondary cell; Send a first indication message, which is used to indicate the switching of BWP, and the first indication message is related to the sensing measurement result.

15. The method according to claim 14, characterized in that, Before sending the first indication information, the method further includes: Receive a second message, which is used to request a switch of BWP; the first indication message is used to respond to the second message.

16. A communication device, characterized in that, Includes a module for performing the method as described in any one of claims 1 to 15.

17. A communication device, characterized in that, It includes at least one processor for executing computer programs or instructions in memory to implement the method as described in any one of claims 1 to 15.

18. A chip or chip system, characterized in that, The chip or chip system is used to perform the method as described in any one of claims 1 to 15.

19. A readable storage medium, characterized in that, The storage medium stores a computer program or instructions, which, when executed by a communication device, implement the method as described in any one of claims 1 to 15.

20. A computer program product, characterized in that, Includes a computer program or instructions that, when run on a computer, cause the computer to perform the method as described in any one of claims 1 to 15.

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