Communication method and apparatus

Abstract

Provided in the embodiments of the present application are a communication method and an apparatus, relating to the technical field of wireless communications. The communication method is applied to a first terminal device, and comprises: sending a first reference signal; on the basis of the first reference signal, obtaining sensing information; acquiring first information and / or second information, the first information being used for indicating whether there is a line-of-sight path between the first terminal device and a second terminal device, the second information being used for indicating an area identifier of a first area, and the first terminal device being located in the first area; and reporting the sensing information and the first information, and / or reporting the sensing information and the second information, the sensing information being associated with the first information: when the sensing information is obtained, whether there is a line-of-sight path between the first terminal device and the second terminal device, and the sensing information being associated with the second information: when the sensing information is obtained, the first terminal device is located in the first area. The embodiments of the present application can achieve more accurate sensing information fusion.

Description

Communication methods and devices

[0001] This application claims priority to Chinese Patent Application No. 202510038540.7, filed on January 7, 2025, entitled "Communication Method and Apparatus", the entire contents of which are incorporated herein by reference. Technical Field

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

[0003] In wireless sensing technology, transmitting devices can radiate electromagnetic waves and send specific signals to the surrounding environment, while receiving devices can correspondingly receive electromagnetic waves and signals reflected from the environment. Based on this, the transceiver devices can compare and analyze the positional relationship between the received and transmitted signals, and then analyze relevant information about the surrounding environment, i.e., obtain sensing information. In practical applications, the sensing information obtained by different devices often differs. Therefore, the accuracy of the sensing results of the environment in which the devices are located can be improved by jointly processing the environmental sensing results of multiple devices in the same environment.

[0004] In wireless sensing scenarios based on cellular network architecture, each terminal device in the network can acquire sensing information about its surrounding environment or scattering objects through self-transmission and self-reception. This sensing information, along with its own location information, is then transmitted to network devices responsible for collecting sensing information, such as base stations, roadside units (RSUs), or core network devices. After receiving the sensing and location information from each terminal device, the network devices can group terminals in similar locations as devices in the same environment. They then perform joint processing (fusion) of the sensing information from these devices to obtain more accurate scattering object or environmental information for the same environment.

[0005] However, terminal devices may obtain location information with significant errors due to weak GPS signals. For example, weak GPS signals may occur when the terminal device is indoors or when there is no line of sight (LoS) between the terminal device and the base station. In such cases, when network devices perform perception information fusion based on this inaccurate location information, they may incorrectly fuse perception information from terminal devices in different environments, thereby reducing the accuracy of the perception results for the terminal device's actual environment. Summary of the Invention

[0006] To address the aforementioned technical problems, this application provides a communication method and apparatus. This communication method utilizes first information uploaded by a first terminal device indicating the existence of a line-of-sight path between the first and second terminal devices, and / or second information indicating the area identifier of the first terminal device's location, to ensure that the network device fuses the perception information of different terminal devices in the same environment, thereby improving the accuracy of the perception information.

[0007] In a first aspect, embodiments of this application provide a communication method, which can be executed by a first terminal device or a module (such as a chip) in the first terminal device. The method includes: sending a first reference signal; obtaining sensing information based on the first reference signal; acquiring first information, the first information indicating whether a line-of-sight path exists between the first terminal device and a second terminal device; and reporting the sensing information and the first information, wherein the sensing information and the first information are associated, and the association between the sensing information and the first information includes: whether a line-of-sight path exists between the first terminal device and the second terminal device when the sensing information is obtained.

[0008] In this embodiment, when the first terminal device reports sensing information to the network device, it also reports first information. The first information indicates whether a line-of-sight (LoS) path exists between the first and second terminal devices. The sensing information and the first information are associated. Thus, the network device can ensure, based on the first information, that the fused sensing information originates from terminal devices in the same area where a LoS path exists between them. This means it can accurately fuse sensing information from the same environment, avoiding erroneous fusion of sensing information from different environments due to positional errors of the terminal devices, thereby improving the accuracy of the sensing information. Especially in indoor scenarios, this avoids sensing information fusion errors caused by large positional errors of the terminal devices, significantly improving the accuracy of the sensing information.

[0009] According to the first aspect, obtaining the first information includes: receiving a second reference signal sent by a second terminal device; and obtaining the first information based on the second reference signal.

[0010] In this embodiment of the application, the second reference signal is a signal emitted by the second terminal device. Therefore, the measurement result of the second reference signal received by the first terminal device can reflect whether there is a line of sight between the first terminal device and the second terminal device. Based on this, the first terminal device can obtain first information according to the measurement result.

[0011] According to the first aspect, or any implementation of the first aspect above, the first terminal device stores a second neural network model, the input of the second neural network model is the measurement result of the reference signal, and the output of the second neural network model is whether the measurement result contains a Loss path, or the probability of containing a Loss path.

[0012] According to the first aspect, or any implementation of the first aspect above, the second reference signal is used for sensing by the second terminal device, or the second reference signal is transmitted through a side link between the first terminal device and the second terminal device.

[0013] In this embodiment, the second reference signal is used for sensing by the second terminal device. This improves convenience and saves resources by reusing the reference signal, compared to sending a dedicated reference signal for acquiring the first information. Alternatively, the second reference signal can be transmitted via a side link between the first and second terminal devices, facilitating reception by the first terminal device.

[0014] According to the first aspect, or any implementation of the first aspect above, the first information includes: the identifier of the second terminal device and / or the identifier of the second reference signal resource.

[0015] In this embodiment of the application, the first information may include the identifier of the second terminal device and / or the identifier of the second reference signal resource. This ensures that the first information corresponds to the second terminal device. Subsequently, the first information indicating the first terminal device and the perception information of the second terminal device with the LoS path can be fused to avoid the problem of not being able to distinguish different first information in scenarios where the first terminal device has multiple peer devices, thereby further improving the accuracy of information processing.

[0016] According to the first aspect, or any implementation of the first aspect above, the interval between the time when the first terminal device receives the second reference signal and the time when the first terminal device sends the first reference signal is less than or equal to a preset threshold.

[0017] In this embodiment of the application, by ensuring that the time interval between the first terminal device receiving the second reference signal and the time the first terminal device sending the first reference signal is less than or equal to a preset threshold, it can be guaranteed that the difference between the positions of the first terminal device and the second terminal device when the first terminal device identifies the line of sight is small, and the difference between the positions of the two terminal devices when the second terminal device performs environmental perception. In other words, the relative position between the second terminal device and the first terminal device does not change significantly, thereby ensuring the accuracy of the line of sight determination result.

[0018] According to the first aspect, or any implementation of the first aspect above, the method further includes: reporting first location information, the first location information being used to indicate the relative position between the first terminal device and the second terminal device when the first terminal device receives the sensing information.

[0019] In this embodiment of the application, the first terminal device also reports the relative position between the first terminal device and the second terminal device. This allows the network device to more comprehensively fuse perceived information based on the relative position, further improving the accuracy of the perceived information. For example, based on the relative position, the specific distance between objects perceived by the first terminal device and objects perceived by the second terminal device can be determined.

[0020] Secondly, embodiments of this application provide a communication method, which can be executed by a first terminal device or a module (such as a chip) in the first terminal device. The method includes: sending a first reference signal; obtaining sensing information based on the first reference signal; acquiring second information, the second information being used to indicate a region identifier of a first region, and the first terminal device being located in the first region; and reporting the sensing information and the second information, wherein the sensing information and the second information are associated, and the association between the sensing information and the second information includes: when the sensing information is obtained, the first terminal device is located in the first region.

[0021] In this embodiment, when the first terminal device reports sensing information to the network device, it also reports second information. The second information indicates the area identifier of the region where the first terminal device is located, and the sensing information and the second information are associated. In this way, the network device can ensure, based on the second information, that the fused sensing information originates from terminal devices in the same area, i.e., the same environment. This means it can accurately fuse sensing information from the same environment, avoiding erroneous fusion of sensing information from different environments due to location errors of the terminal devices, thereby improving the accuracy of the sensing information. Especially in indoor scenarios, this can avoid sensing information fusion errors caused by large location errors of the terminal devices, significantly improving the accuracy of the sensing information.

[0022] According to the second aspect, obtaining the second information includes: receiving a first signal; receiving first configuration information; and determining the second information based on the signal characteristics of the first signal and the first configuration information.

[0023] In this embodiment, the first signal is a signal in the environment where the first terminal device is located, and the first configuration information can reflect the mapping relationship between the signal characteristics of the first signal and the area identifier. Based on this, the first terminal device can determine the second information according to the signal characteristics of the first signal and the first configuration information.

[0024] According to the second aspect, or any implementation of the second aspect above, the first configuration information includes information of multiple classes, and the information of each class includes one or more of the following: the center point of the class in the first feature space, the first feature space being the space where the signal features of the first signal are located, the shape of the class in the first feature space, or the region identifier associated with the class.

[0025] In this embodiment, within the space where the signal features of the first signal reside, i.e., the first feature space, each class can correspond to a signal subspace, and each signal subspace is highly correlated with the area where the first terminal device is located. Based on this, the center point and / or shape of the class can determine a signal subspace, for example, reflecting the center point and / or shape of the subspace where the signal features of the first signal belonging to that class are located in the first feature space. Each class can be associated with a region identifier, thus reflecting the mapping relationship between the signal features of the first signal and the region identifier. Therefore, when the first configuration information includes the above information for multiple classes, it can be ensured that the first configuration information can be used to determine the second information.

[0026] According to the second aspect, or any implementation of the second aspect above, the first configuration information also includes a distance metric function in the first feature space.

[0027] In this embodiment, a distance metric function in the first feature space can be used to determine the distance between the signal features of the first signal measured by the first terminal device and the center points of each class in the first feature space. Therefore, the distance determined by this distance metric function can be used to determine the class to which the signal features of the first signal belong. Thus, when the first configuration information also includes this distance metric function, the accuracy of determining the class to which the signal features of the first signal belong can be improved, thereby further improving the accuracy of determining the second information based on the first configuration information.

[0028] According to the second aspect, or any implementation of the second aspect above, the first configuration information includes a first neural network model, the input of the first neural network model is the signal characteristics of the first signal, and the output of the first neural network model is the region identifier of the first region.

[0029] In this embodiment of the application, the first configuration information includes a first neural network model, so that the first terminal device can obtain the region identifier of the first region by inputting the signal characteristics of the first signal into the first neural network model, without the need for additional comparison or other operations, which improves convenience.

[0030] According to the second aspect, or any implementation of the second aspect above, the method further includes: receiving a first signal at a first time and determining a first feature; receiving a first signal at a second time and determining a second feature; reporting the first feature and the second feature, and whether the first feature and the second feature are associated, wherein the association of the first feature and the second feature is used to indicate that: the time difference between the first time and the second time is less than or equal to a first time threshold, and / or the distance difference between the position of the first terminal device at the first time and the position at the second time is less than or equal to a first distance threshold.

[0031] In this embodiment, if the time difference between two signal features is less than a first time threshold, and / or the distance difference between the locations corresponding to two signal features is less than a first distance threshold, then the two signal features are considered to be connected. In principle, if the time or distance between two measurements of the first signal by the second terminal device is close, then the second terminal device is also located in the same or adjacent areas in the physical world. Thus, the second terminal device's association of each signal feature with the network device ensures that the network device determines the first configuration information accordingly. Furthermore, upon receiving the first configuration information, the first terminal device reports the first and second features, and whether the first and second features are associated, ensuring that the network device updates the first configuration information accordingly, thereby improving the accuracy of the second information and further enhancing the accuracy of the perceived information.

[0032] According to the second aspect, or any implementation of the second aspect above, before reporting the first feature and the second feature, and whether the first feature and the second feature are associated, the method further includes: receiving indication information of a first time threshold and / or indication information of a first distance threshold.

[0033] In this embodiment, the first terminal device can receive indication information of a first time threshold and / or indication information of a first distance threshold before reporting the first feature and the second feature, and whether the first feature and the second feature are associated, thereby ensuring that the first terminal device can determine in a timely manner whether the first feature and the second feature are associated. Furthermore, this facilitates timely updates to the first time threshold and / or the first distance threshold used by the first terminal device.

[0034] According to the second aspect, or any implementation of the second aspect above, the method further includes: reporting regional connectivity relationships, including connectivity and / or non-connectivity between the second and third regions, wherein connectivity between the second and third regions is used to indicate that direct access from the second region to the third region is possible, wherein the second and third regions are the regions where the first terminal device is potentially located.

[0035] In this embodiment, the regional connectivity relationship reported by the first terminal device can reflect which regions in the different regions where the first terminal device may be located are connected and / or not connected, and the connected regions are in the same environment. Based on this, the network device can compare the correlation between the regional connectivity relationship and the first feature and the second feature, and match the signal subspace corresponding to the class to which the first feature and the second feature belong with the regions in the regional connectivity relationship, thereby determining the mapping relationship between the signal features of the first signal and the region identifier.

[0036] According to the second aspect, or any implementation of the second aspect above, before receiving the first signal, the method further includes: receiving third information and fourth information, wherein the third information is used to indicate the type and / or identifier of the first signal, and the fourth information is used to indicate one or more feature types, and the signal characteristics of the first signal are the characteristics of one or more feature types indicated by the fourth information.

[0037] In this embodiment of the application, the first terminal device can accurately receive the first signal and determine the signal characteristics of the first signal by receiving the third information and the fourth information.

[0038] According to the second aspect, or any implementation of the second aspect above, the method further includes: receiving a group identifier, the group identifier being used to indicate the group to which the first terminal device belongs; and reporting the group identifier.

[0039] In this embodiment, the first terminal device receives the group identifier of its location and sends it to a network device, which may be a first network device or a third network device. In this way, even if the network device does not obtain the correspondence between the regions and region identifiers contained in different groups, it can ensure that the subsequently determined first configuration information accurately indicates the region identifiers of the regions contained in different groups based on the group identifiers reported by the first terminal device. This avoids the inability to distinguish regions with the same region identifier but different groups, and facilitates further improvement in accuracy during subsequent sensing information fusion.

[0040] According to the second aspect, or any implementation of the second aspect above, the group identifier is associated with one or more regions, which are the regions where the first terminal device may be located.

[0041] In this embodiment of the application, the potential location of the first terminal device is distinguished by a group identifier associated with one or more regions. In this way, for scenarios where the region identifiers are the same but in different groups, the accuracy of the second information can be ensured by combining the group identifiers.

[0042] Thirdly, this application provides a communication method that can be executed by a network device or a module (such as a chip) in the network device. The method includes: receiving sensing information and first information, wherein the sensing information and the first information are associated; wherein the sensing information is used to indicate the sensing result of a terminal device on its environment, the first information is used to indicate whether a line-of-sight path exists between a first terminal device and a second terminal device, and the association between the sensing information and the first information includes: whether a line-of-sight path exists between the first terminal device and the second terminal device when the sensing information is received.

[0043] According to the third aspect, after receiving the sensing information and the first information, the method further includes: fusing the sensing information of the first terminal device and the sensing information of the second terminal device based on the first information.

[0044] According to the third aspect, or any implementation of the third aspect above, the first information includes: the identifier of the second terminal device and / or the identifier of the second reference signal resource.

[0045] In this embodiment, by including the identifier of the second terminal device and / or the identifier of the second reference signal resource in the first information, it can be ensured that the first information uploaded by the first terminal device to the network device corresponds to the second terminal device. Subsequently, the perceived information of the first terminal device and the second terminal device indicating the existence of a LoS path can be fused, avoiding the problem that the network device cannot distinguish the first information corresponding to different peer devices in scenarios where the first terminal device has multiple peer devices, thereby further improving the accuracy of information processing.

[0046] According to the third aspect, or any implementation of the third aspect above, the method further includes: receiving first location information, the first location information being used to indicate the relative position between the first terminal device and the second terminal device when the sensing information is obtained.

[0047] The third aspect and any implementation thereof correspond to the first aspect and any implementation thereof, respectively. The technical effects of the third aspect and any implementation thereof are similar to those of the first aspect and any implementation thereof, and will not be repeated here.

[0048] Fourthly, this application provides a communication method that can be executed by a network device or a module (such as a chip) in the network device. The method includes: receiving sensing information and second information, the sensing information and the second information being associated; wherein the second information is used to indicate a region identifier of a first region, a first terminal device is located in the first region, and the association of the sensing information and the second information includes: when the sensing information is received, the first terminal device is located in the first region.

[0049] For example, the first terminal device can be any terminal device participating in the acquisition of sensing information. That is, the network device can receive second information reported by different terminal devices, and the second information reported by each terminal device is used to indicate the area where the terminal device is located. In this way, the network device can fuse the sensing information of different terminal devices with the same associated area identifier based on the area identifier indicating the first area.

[0050] According to the fourth aspect, after receiving the sensing information and the second information, the method further includes: fusing the sensing information of the first terminal device and the sensing information of the second terminal device based on the second information.

[0051] According to the fourth aspect, or any implementation of the fourth aspect above, before receiving the sensing information and the second information, the method further includes: sending first configuration information, the first configuration information being used by the first terminal device to determine the second information based on the signal characteristics of the first signal and the first configuration information.

[0052] In this embodiment, the network device determines the first configuration information and sends it to the first terminal device. This facilitates the efficient determination and widespread application of the first configuration information, avoiding failures in determining the first configuration information due to performance limitations of the first terminal device. Furthermore, sending the first configuration information also makes it easier for the network device to update the first configuration information for each terminal device, thereby further improving the accuracy of the perceived information.

[0053] According to the fourth aspect, or any implementation of the fourth aspect above, the first configuration information includes information of multiple classes, and the information of each class includes one or more of the following: the center point of the class in the first feature space, the first feature space being the space where the features of the first signal are located, the shape of the class in the first feature space, or the region identifier associated with the class.

[0054] According to the fourth aspect, or any implementation of the fourth aspect above, the first configuration information also includes a distance metric function in the first feature space.

[0055] According to the fourth aspect, or any implementation of the fourth aspect above, the first configuration information includes a first neural network model, the input of the first neural network model is the signal characteristics of the first signal, and the output of the first neural network model is the region identifier of the first region.

[0056] According to the fourth aspect, or any implementation of the fourth aspect above, the method further includes: receiving a first feature and a second feature, and information on whether the first feature and the second feature are associated; wherein, the first feature is a signal feature of a first signal received by the first terminal device at a first time, the second feature is a signal feature of the first signal received by the first terminal device at a second time, and the association of the first feature and the second feature is used to indicate that: the time difference between the first time and the second time is less than or equal to a first time threshold, and / or the distance difference between the position of the first terminal device at the first time and the position at the second time is less than or equal to a first distance threshold.

[0057] According to the fourth aspect, or any implementation of the fourth aspect above, before sending the first configuration information, the method further includes: classifying the first feature and the second feature to obtain a classification result; and determining the first configuration information based on the classification result and information on whether the first feature and the second feature are related.

[0058] In this embodiment, signal features located in the same area tend to have high similarity. Based on this, after the network device receives and classifies the signal features of the first signal received at different times (i.e., at different locations) from the first terminal device, each class corresponds to a subspace in the feature space, i.e., a signal subspace. The feature space is the space where each signal feature resides. Whether the first feature and the second feature are related reflects whether the signal subspaces corresponding to different signal feature classes are related. There is a high correlation between the signal subspaces corresponding to each class and the regions of the actual physical space. Therefore, the region corresponding to the signal subspace, i.e., the physical subspace, can be determined based on whether the signal subspaces are related. Thus, based on the classification results and the information on whether the first and second features are related, the network device can determine the mapping relationship between the signal features and the region identifier of the physical space, i.e., the first region, thereby obtaining the first configuration information.

[0059] According to the fourth aspect, or any implementation of the fourth aspect above, before receiving the first feature and the second feature, and information on whether the first feature and the second feature are associated, the method further includes: sending indication information of a first time threshold and / or indication information of a first distance threshold.

[0060] According to the fourth aspect, or any implementation of the fourth aspect above, before sending the first configuration information, the method further includes: receiving regional connectivity relationships, the regional connectivity relationships including connectivity and / or non-connectivity between the second region and the third region, the connectivity between the second region and the third region being used to indicate that it is possible to directly enter the third region from the second region, wherein the second region and the third region are the regions where the first terminal device is potentially located.

[0061] According to the fourth aspect, or any implementation of the fourth aspect above, the first configuration information is determined based on whether the classification result is associated with the first feature and the second feature, including: determining the connectivity relationship corresponding to the classification result based on whether the first feature and the second feature are associated; matching the connectivity relationship corresponding to the classification result with the regional connectivity relationship to obtain the first configuration information.

[0062] In this embodiment of the application, based on the principle that the signal subspaces corresponding to each category of the classification results of the signal features in the feature space of the first signal are highly matched with each region of the physical space where the first terminal device is located, the connection relationship corresponding to the classification results of the signal features and the connection relationship of the regions are matched to obtain first configuration information that can indicate the mapping relationship between the signal features of the first signal and the region identifier of the first region.

[0063] According to the fourth aspect, or any implementation of the fourth aspect above, before sending the first configuration information, the method further includes: sending third information and fourth information, wherein the third information is used to indicate the type and / or identifier of the first signal, and the fourth information is used to indicate one or more feature types, and the signal characteristics of the first signal are the characteristics of one or more feature types indicated by the fourth information.

[0064] According to the fourth aspect, or any implementation of the fourth aspect above, before sending the first configuration information, the method further includes: receiving a group identifier, the group identifier being used to indicate the group to which the first terminal device belongs.

[0065] According to the fourth aspect, or any implementation of the fourth aspect above, the group identifier is associated with one or more regions, which are the regions where the first terminal device may be located.

[0066] The fourth aspect and any implementation thereof correspond to the second aspect and any implementation thereof, respectively. The technical effects of the fourth aspect and any implementation thereof can be found in the technical effects of the second aspect and any implementation thereof, as described above, and will not be repeated here.

[0067] Fifthly, embodiments of this application provide a communication device, which includes: a transmitting module for transmitting a first reference signal; a sensing module for obtaining sensing information based on the first reference signal; an information acquisition module for acquiring first information, the first information indicating whether a line-of-sight path exists between a first terminal device and a second terminal device; and a reporting module for reporting the sensing information and the first information, wherein the sensing information and the first information are associated, and the association between the sensing information and the first information includes: whether a line-of-sight path exists between the first terminal device and the second terminal device when the sensing information is obtained.

[0068] Fifthly, or any implementation thereof, may refer to the first aspect. The communication device provided in the fifth aspect may be a terminal device, or a device, module, circuit, or chip configured in the terminal device, or a device compatible with the terminal device. In one design, the communication device may include modules corresponding to each of the methods / operations / steps / actions described in the first aspect. These modules may be hardware circuits, software, or a combination of hardware circuits and software. In one design, the communication device may include a communication module and a processing module. The communication module is used to perform the sending and reporting actions in the method described in the first aspect, while the processing module is used to perform the processing actions in the method described in the first aspect.

[0069] In a sixth aspect, embodiments of this application provide a communication device, the device comprising: a transmitting module for transmitting a first reference signal; a sensing module for obtaining sensing information based on the first reference signal; an information acquisition module for acquiring second information, the second information being used to indicate a region identifier of a first region, and a first terminal device being located in the first region; and a reporting module for reporting the sensing information and the second information, the sensing information and the second information being associated, the association of the sensing information and the second information including: when the sensing information is obtained, the first terminal device is located in the first region.

[0070] In a sixth aspect, or any implementation thereof, reference may be made to the second aspect. The communication device provided in the sixth aspect may be a terminal device, or a device, module, circuit, or chip configured in the terminal device, or a device compatible with the terminal device. In one design, the communication device may include modules corresponding to each of the methods / operations / steps / actions described in the second aspect. These modules may be hardware circuits, software, or a combination of hardware circuits and software. In one design, the communication device may include a communication module and a processing module. The communication module is used to perform the sending and reporting actions in the method described in the second aspect, while the processing module is used to perform the processing actions in the method described in the second aspect.

[0071] In a seventh aspect, embodiments of this application provide a communication device, the device comprising: a receiving module, configured to receive sensing information and first information, wherein the sensing information and the first information are associated; wherein the sensing information is used to indicate the sensing result of a terminal device on its environment, the first information is used to indicate whether there is a line-of-sight path between a first terminal device and a second terminal device, and the association of the sensing information and the first information includes: whether there is a line-of-sight path between the first terminal device and the second terminal device when the sensing information is obtained.

[0072] In the seventh aspect, or any implementation thereof referring to the third aspect above, the communication device provided in the seventh aspect may be a network device, or a device, module, circuit, or chip configured in a network device, or a device compatible with a network device. In one design, the communication device may include modules corresponding to each of the methods / operations / steps / actions described in the third aspect. These modules may be hardware circuits, software, or a combination of hardware circuits and software. In one design, the communication device may include a communication module and a processing module. The communication module is used to perform the receiving and sending actions in the method described in the third aspect above, while the processing module is used to perform the processing actions in the method described in the third aspect above.

[0073] Eighthly, embodiments of this application provide a communication device, the device comprising: a receiving module for receiving sensing information and second information, the sensing information and the second information being associated; wherein the second information is used to indicate a region identifier of a first region, a first terminal device is located in the first region, and the association of the sensing information and the second information includes: when the sensing information is received, the first terminal device is located in the first region.

[0074] In the eighth aspect, or any implementation thereof, referring to the fourth aspect above, the communication device provided in the eighth aspect can be a network device, or a device, module, circuit, or chip configured in a network device, or a device compatible with a network device. In one design, the communication device may include modules corresponding to each of the methods / operations / steps / actions described in the fourth aspect. These modules may be hardware circuits, software, or a combination of hardware circuits and software. In one design, the communication device may include a communication module and a processing module. The communication module is used to perform the receiving and sending actions in the method described in the fourth aspect above, while the processing module is used to perform the processing actions in the method described in the fourth aspect above.

[0075] Ninthly, embodiments of this application provide a communication device including a processor and a storage medium storing instructions that, when executed by the processor, cause the method as described in the first aspect or any possible implementation of the first aspect to be implemented, cause the method as described in the second aspect or any possible implementation of the second aspect to be implemented, cause the method as described in the third aspect or any possible implementation of the third aspect to be implemented, and cause the method as described in the fourth aspect or any possible implementation of the fourth aspect to be implemented.

[0076] In a tenth aspect, embodiments of this application provide a chip including a processor. The processor is configured to execute a program or instructions to cause the methods described in the first aspect, any possible implementation of the first aspect, the second aspect, any possible implementation of the second aspect, the third aspect, any possible implementation of the third aspect, the fourth aspect, or any possible implementation of the fourth aspect to be implemented. Optionally, the chip may further include a memory for storing the program or instructions. Optionally, the chip may further include a transceiver.

[0077] Eleventhly, embodiments of this application provide a computer-readable storage medium including instructions that, when executed by a processor, cause the method in the first aspect, any possible implementation of the first aspect, the second aspect, any possible implementation of the second aspect, the third aspect, any possible implementation of the third aspect, the fourth aspect, or any possible implementation of the fourth aspect to be implemented.

[0078] In a twelfth aspect, embodiments of this application provide a computer program product, which includes computer program code or instructions that, when executed, cause the methods in the first aspect, any possible implementation of the first aspect, the second aspect, any possible implementation of the second aspect, the third aspect, any possible implementation of the third aspect, the fourth aspect, or any possible implementation of the fourth aspect to be implemented.

[0079] In a thirteenth aspect, embodiments of this application provide a communication system comprising one or more of the following means: a communication device that performs the first aspect, any possible implementation of the first aspect, the second aspect, any possible implementation of the second aspect, the third aspect, any possible implementation of the third aspect, the fourth aspect, or any possible implementation of the fourth aspect. Attached Figure Description

[0080] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments of this application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0081] Figure 1 is one of the example diagrams of a wireless sensing scenario.

[0082] Figure 2 is one of the example diagrams of a wireless sensing scenario.

[0083] Figure 3 is an example diagram of the architecture of the communication system provided in an embodiment of this application.

[0084] Figure 4 is one of the flowchart examples of a communication method provided in an embodiment of this application.

[0085] Figure 5 is one of the flowchart examples of a communication method provided in an embodiment of this application.

[0086] Figure 6 is a schematic diagram comparing the second reference signal received by the first terminal device and the first reference signal sent by the first terminal device according to an embodiment of this application.

[0087] Figure 7 is one of the flowchart examples of a communication method provided in an embodiment of this application.

[0088] Figure 8a is a flowchart of one of the communication methods provided in the embodiments of this application.

[0089] Figure 8b is a flowchart illustrating one of the communication methods provided in an embodiment of this application.

[0090] Figure 9 is an example diagram of the first signal receiving scenario provided in the embodiments of this application.

[0091] Figure 10 is an example diagram showing the relationship between the signal subspaces and the regions in the physical space corresponding to various types of embodiments provided in this application.

[0092] Figure 11 is an example diagram of the regional connectivity and signal subspace connectivity provided in the embodiments of this application.

[0093] Figure 12 is one of the example diagrams of the frame structure of the communication device provided in the embodiments of this application.

[0094] Figure 13 is one of the example diagrams of the frame structure of the communication device provided in the embodiments of this application.

[0095] Figure 14 is one of the example diagrams of the frame structure of the communication device provided in the embodiments of this application.

[0096] Figure 15 is one of the example diagrams of the frame structure of the communication device provided in the embodiments of this application. Detailed Implementation

[0097] The technical solutions in the embodiments of this application will be described below with reference to the accompanying drawings. It should be understood that in this application, the indication includes direct indication (also called explicit indication) and implicit indication. Direct indication information A refers to information A; implicit indication information A refers to indicating information A through the correspondence between information A and information B and the direct indication information B. The correspondence between information A and information B can be predefined, pre-stored, pre-burned, or pre-configured.

[0098] It should be understood that in this application, information C is used to determine information D, including both situations where information D is determined solely based on information C and situations where it is determined based on information C and other information. Furthermore, information C can also be used to determine information D indirectly, for example, where information D is determined based on information E, and information E is determined based on information C.

[0099] Furthermore, in the embodiments of this application, "network element A sends information A to network element B" can be understood as network element B being the destination of information A or an intermediate network element in the transmission path between the destination and network element B, which may include sending information directly or indirectly to network element B. "Network element B receives information A from network element A" can be understood as network element A being the source of information A or an intermediate network element in the transmission path between the source and network element A, which may include receiving information directly or indirectly from network element A. Information may undergo necessary processing between the source and destination, such as format changes, but the destination can understand the valid information from the source. Similar expressions in this application can be understood in a similar way and will not be elaborated further here.

[0100] In this article, the term "and / or" is merely a description of the positional relationship between related objects, indicating that there can be three relationships. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone.

[0101] The terms "first" and "second," etc., used in the specification and claims of this application are used to distinguish different objects, not to describe a specific order of objects. For example, "first target object" and "second target object," etc., are used to distinguish different target objects, not to describe a specific order of target objects.

[0102] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0103] In the description of the embodiments in this application, unless otherwise stated, "multiple" means two or more. For example, multiple processing units means two or more processing units; multiple systems means two or more systems.

[0104] To facilitate understanding of this embodiment, some technical terms and background technologies involved in this embodiment will be introduced first:

[0105] (1) Line of sight (LoS): Also known as line of sight distance, it refers to the distance between the transmitting and receiving antennas when they can "see" each other. At this distance, the wireless signal propagates in a straight line between the transmitting and receiving ends without obstruction. Correspondingly, the line of sight distance between the transmitting and receiving ends refers to the transmission path of the wireless signal that propagates in a straight line between the transmitting and receiving ends.

[0106] (2) A cellular network, also known as a mobile network, is a mobile communication hardware architecture, divided into analog cellular networks and digital cellular networks. It gets its name from the hexagonal shape of the signal coverage of the various communication base stations that make up the network coverage, which makes the entire network resemble a honeycomb. Common types of cellular networks include: GSM networks (sometimes called PCS-1900), CDMA networks, 3G networks, FDMA, TDMA, PDC, TACS, AMPS, etc.

[0107] (3) Orthogonal Frequency Division Multiplexing (OFDM): A communication system divides a wide-frequency carrier into multiple orthogonal subcarriers with smaller bandwidths and uses these orthogonal subcarriers to transmit and receive signals. An OFDM symbol is composed of a set of subcarriers carrying a modulated signal superimposed on each other.

[0108] (4) Sounding reference signal (SRS): A signal used by base stations or network elements to estimate the uplink channel and perform downlink beamforming.

[0109] To facilitate understanding, the following example illustrates current wireless sensing communication methods.

[0110] For example, Figure 1 is one of the example diagrams of a wireless sensing scenario. As shown in Figure 1, in a sensing system based on a cellular network architecture, a terminal device (such as UE1) in the network can sense its surrounding environment (such as the environment in building 1) or scattering objects through self-transmission and self-reception, and then send the results of its sensing to the base station or the network element in the core network responsible for collecting sensing information. On this basis, the terminal device can additionally report its location information when reporting sensing information. After receiving this information, the base station or the network element in the core network can classify terminal devices with similar locations as devices in the same environment, and then fuse the sensing information of these devices to obtain more accurate scattering object information or environmental information.

[0111] However, terminal devices may obtain location information with significant errors due to weak signals. For example, Figure 2 is one example of a wireless sensing scenario. As shown in Figure 2, when the terminal device is indoors, the GPS signal is weak, and there is usually no line of sight (LoS) path between the indoor terminal device and the base station. Therefore, the positioning results obtained by the indoor terminal often have significant errors. When the base station or core network performs sensing result fusion based on the incorrect positioning results, it may incorrectly fuse sensing information from different environments, potentially reducing the accuracy of scatterer and environmental information estimation. For example, in Figure 2, the positioning results obtained by UE2 and / or UE1 have significant errors, causing the base station or core network to fuse UE2's sensing results for house 2 and UE1's sensing results for house 1 based on the incorrect positioning results, treating it as the same house, thus reducing the accuracy of scatterer and environmental information estimation.

[0112] Based on the above analysis, this application provides a communication method to solve the aforementioned problems. When a first terminal device reports sensing information to a network device, it also reports first information and / or second information. The first information indicates whether a line-of-sight (LoS) path exists between the first and second terminal devices, and the sensing information is associated with the first information. The second information indicates the area identifier of the region where the first terminal device is located, and the sensing information is associated with the second information. In this way, the network device can ensure, based on the first information, that the fused sensing information originates from terminal devices in the same region that share a LoS path and / or the same area identifier. This allows for accurate fusion of sensing information from the same environment, avoiding erroneous fusion of sensing information from different environments due to errors in the terminal device's location information, thereby improving the accuracy of the sensing information. Especially in indoor scenarios, this method avoids sensing information fusion errors caused by large positional errors of the terminal devices, significantly improving the accuracy of the sensing information.

[0113] Before describing the technical solutions of the embodiments of this application, the application platform of the communication method of the embodiments of this application will first be described with reference to the accompanying drawings. The embodiments of this application can be applied to cellular network communication systems, such as 5G or NR systems, wireless local area network (WLAN) systems, satellite communication systems, or future communication systems, such as 6th generation (6G) mobile communication systems, or converged systems of multiple cellular networks. The technical solutions provided by this application can also be applied to cellular network communication systems such as device-to-device (D2D) communication, vehicle-to-everything (V2X) communication, machine-to-machine (M2M) communication, machine-type communication (MTC), and the Internet of Things (IoT).

[0114] In a cellular network, one network element can send signals to or receive signals from another network element. These signals can include information, signaling, or data. The term "network element" can also be replaced by an entity, network entity, device, communication device, communication module, node, communication node, etc. This disclosure uses a network element as an example. For instance, a cellular network can include at least one terminal device and at least one network device. The network device can send downlink signals to the terminal device, and / or the terminal device can send uplink signals to the network device. It is understood that the terminal device in this disclosure can be replaced by a first network element, and the network device can be replaced by a second network element, both performing the corresponding communication methods described in this disclosure.

[0115] In the embodiments of this application, the terminal device may also be referred to as user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or user apparatus.

[0116] Terminal devices can be devices that provide voice / data, such as handheld devices with wireless connectivity, in-vehicle devices, etc. Currently, examples of terminal devices include: mobile phones, tablets, laptops, PDAs, mobile internet devices (MIDs), wearable devices, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to a wireless modem, wearable devices, terminal devices in 5G networks, or future public land mobile communication networks. Terminal devices in a network (PLMN), etc., are not limited to this in the embodiments of this application.

[0117] By way of example and not limitation, in this embodiment, the terminal device can also be a wearable device. Wearable devices, also known as wearable smart devices, are a general term for devices that utilize wearable technology to intelligently design and develop everyday wearables, such as glasses, gloves, watches, clothing, and shoes. Wearable devices are portable devices that are worn directly on the body or integrated into the user's clothing or accessories. Wearable devices are not merely hardware devices, but also achieve powerful functions through software support, data interaction, and cloud interaction. Broadly speaking, wearable smart devices include those that are feature-rich, large in size, and can achieve complete or partial functions without relying on a smartphone, such as smartwatches or smart glasses, as well as those that focus on a specific type of application function and require the use of other devices such as smartphones, such as various smart bracelets and smart jewelry for vital sign monitoring.

[0118] In this embodiment, the device for implementing the functions of the terminal device can be the terminal device itself, or it can be any device capable of supporting the terminal device in implementing those functions, such as a chip system. This device can be installed in or used in conjunction with the terminal device. In this embodiment, the chip system can be composed of chips or may include chips and other discrete components. This embodiment only uses the terminal device as an example to illustrate the device for implementing the functions of the terminal device, and does not constitute a limitation on the solution of this embodiment.

[0119] The network device in this application embodiment can be a device for communicating with terminal devices. This network device can also be called an access network device or a radio access network device. For example, the network device can be a base station or a core network element. The core network element, for example, is a network element responsible for collecting sensing information, and its name can be, for example, a sensing function (SF). In this application embodiment, the network device can refer to a radio access network (RAN) node (or device) that connects the terminal device to the wireless network. A base station can broadly encompass, or be replaced by, various names including: NodeB, evolved NodeB (eNB), next-generation NodeB (gNB), relay station, access point, transmitting and receiving point (TRP), transmitting point (TP), master station, auxiliary station, motor slide retainer (MSR) node, home base station, network controller, access node, wireless node, access point (AP), transmission node, transceiver node, baseband unit (BBU), remote radio unit (RRU), active antenna unit (AAU), remote radio head (RRH), central unit (CU), distributed unit (DU), radio unit (RU), positioning node, etc. A base station can be a macro base station, micro base station, relay node, donor node, or similar entities, or combinations thereof. A base station can also refer to a communication module, modem, or chip installed within the aforementioned equipment or apparatus. A base station can also be a mobile switching center, equipment performing base station functions in D2D, V2X, and M2M communications, network-side equipment in 6G networks, and equipment performing base station functions in future communication systems. A base station can support networks using the same or different access technologies. Optionally, a RAN node can also be a server, wearable device, vehicle, or in-vehicle equipment. For example, the access network equipment in vehicle-to-everything (V2X) technology can be a roadside unit (RSU). The embodiments of this application do not limit the specific technologies or equipment forms used in the network equipment.

[0120] In this embodiment, the apparatus for implementing the functions of a network device can be a network device itself; it can also be an apparatus capable of supporting the network device in implementing those functions, such as a chip system, hardware circuit, software module, or a hardware circuit plus a software module. This apparatus can be installed in the network device or used in conjunction with the network device. In this embodiment, the example of a network device being used to implement the functions of a network device is provided only and does not constitute a limitation on the solutions described in this embodiment.

[0121] Network devices and / or terminal devices can be deployed on land, including indoors or outdoors, handheld or vehicle-mounted; they can also be deployed on water; and they can also be deployed in the air on airplanes, balloons, and satellites. This application does not limit the scenario in which the network devices and terminal devices are located. Furthermore, terminal devices and network devices can be hardware devices, or software functions running on dedicated hardware or general-purpose hardware, such as virtualization functions instantiated on a platform (e.g., a cloud platform), or entities that include dedicated or general-purpose hardware devices and software functions. This application does not limit the specific form of the terminal devices and network devices.

[0122] For example, Figure 3 is an example architecture diagram of a communication system provided in an embodiment of this application. As shown in Figure 3, the communication system may include network devices such as gNB or base stations and terminal devices such as UE1 to UE4. In this communication system, the base station can send downlink data to terminal devices UE1 to UE4, and terminal devices UE1 to UE4 can also send uplink data to the base station.

[0123] It should be noted that Figure 3 is a simplified schematic diagram for ease of understanding. For example, the communication system may also include other devices, such as wireless relay devices and / or wireless backhaul devices, which are not shown in Figure 3. In practical applications, the communication system may include multiple network devices or multiple terminal devices. This application does not limit the specific number of network devices and terminal devices included in the communication system.

[0124] The communication method provided in the embodiments of this application will be described in detail below with reference to Figures 4 to 11.

[0125] For example, Figure 4 is one of the flowcharts illustrating a communication method provided in an embodiment of this application. As shown in Figure 4, the communication method may include:

[0126] S401, the first terminal device sends a first reference signal and obtains sensing information based on the first reference signal.

[0127] The first terminal device can scatter a first reference signal to its surroundings or send a first reference signal to its environment. The sensing information obtained based on the first reference signal can be called the first sensing information, which is information about the scattering objects or environment surrounding the first terminal device. That is, the first terminal device obtains sensing information based on the first reference signal through a self-transmitting and self-receiving method.

[0128] For example, the first sensing information includes point cloud information, where the point cloud includes at least one point, and the information of each point includes at least one of the following: the distance of the point from the first terminal device, the angle relative to the first terminal device, the intensity of the reflected signal, the phase change of the reflected signal, etc. For example, the first sensing information may include information about at least one reflection path determined by the first device based on a reference signal. The information of each reflection path includes: the time delay corresponding to the reflection path, the angle between the signal corresponding to the reflection path and the first terminal device, the signal intensity corresponding to the reflection path, the signal phase change corresponding to the reflection path, etc. For example, the first sensing information may include information about a specific target identified by the terminal device. For instance, the first terminal device can cluster multiple point clouds into a single target and then obtain information such as the size, shape, and location of the target. The embodiments of this application describe the specific form of the first sensing information.

[0129] The second terminal device also acquires sensing information so that the network device can fuse sensing information from different terminal devices. The method by which the second terminal device acquires sensing information is similar to that of the first terminal device, the difference being that the terminal device is adaptively adjusted from the first terminal device to the second terminal device: the network device sends configuration information of the second reference signal resource to the second terminal device; the second terminal device sends the second reference signal and obtains the sensing information based on the second reference signal. For the common parts, please refer to the existing description of the first terminal device acquiring sensing information, which will not be repeated here.

[0130] For example, Figure 5 is one of the flowcharts illustrating a communication method provided in an embodiment of this application. As shown in Figure 5, the above-mentioned S401 may specifically include:

[0131] S4011, the network device sends the configuration information of the first reference signal resource to the first terminal device.

[0132] Specifically, the configuration information of the first reference signal resource may include its time-domain location, frequency-domain location, the sequence used, the scrambling code, and the associated beam. The sequence used refers to the sequence of the reference signal when it is transmitted on a subcarrier using OFDM symbols.

[0133] For example, the first reference signal resource can be a periodic reference signal resource or an aperiodic reference signal resource. When the first reference signal resource is a periodic reference signal resource, the time-domain position information in the configuration information of the first reference signal resource can include information on the period length and information on the period offset.

[0134] For example, the beam information associated with the first reference signal resource is used by the first terminal device to determine the beam used when transmitting the first reference signal. For example, the beam information can be indicated by historical beams, such as by a specific uplink or downlink reference signal resource historically used by the terminal device. In this case, the beam used by the first terminal device when transmitting the first reference signal can be the same as or similar to the beam used when transmitting or receiving that uplink or downlink reference signal resource. For example, similarity could mean that the difference between the historical beam and the beam used when transmitting the first reference signal is less than a difference threshold. Alternatively, the beam information can be indicated by an angle value. In this case, the first terminal device can determine the direction the beam should face when transmitting the signal based on this angle, thereby determining the beam used when transmitting the first reference signal.

[0135] S4012, the first terminal device transmits and receives the first reference signal automatically according to the configuration information of the first reference signal resource.

[0136] For example, the first terminal device transmits a first reference signal on the first reference signal resource according to the configuration information of the first reference signal resource, senses the surrounding environment or scattering objects, and obtains first sensing information. The first reference signal may be, for example, an SRS (Self-Reference Signal).

[0137] S4013, the first terminal device obtains sensing information based on the received first reference signal.

[0138] S402, the first terminal device obtains first information, which is used to indicate whether there is a line of sight between the first terminal device and the second terminal device, and the perception information is associated with the first information.

[0139] Specifically, the association between the perceived information and the first information includes whether a line-of-sight path exists between the first terminal device and the second terminal device when the perceived information is obtained. For example, if a line-of-sight path exists between the second terminal device and the first terminal device, the second terminal device is also located in the first area; for example, both the first and second terminal devices are in bedroom A. If no line-of-sight path exists between the second terminal device and the first terminal device, the second terminal device is located in a second area different from the first area. The first and second areas belong to different environments; for example, the first terminal device is in classroom A, and the second terminal device is in classroom B.

[0140] Referring again to Figure 5, the above S402 may specifically include:

[0141] S4021, the network device sends the configuration information of the second reference signal resource to the first terminal device.

[0142] For example, the configuration information of the second reference signal resource may include the time-domain location, frequency-domain location, sequence used, scrambling code, and associated beam information of the second reference signal resource. Refer to the specific details and explanation of the configuration information of the first reference signal resource in S4011 above; these will not be repeated here. Furthermore, the second reference signal resource is used by the second terminal device to transmit a second reference signal. The second reference signal is used by the second terminal device to acquire sensing information, also known as second sensing information. The second sensing information is information about scattering bodies or the environment surrounding the second terminal device.

[0143] S4022, the first terminal device receives the second reference signal according to the configuration information of the second reference signal resource, and obtains the first information according to the second reference signal.

[0144] For example, the first terminal device receives a second reference signal on the second reference signal resource according to the configuration information of the second reference signal resource, and determines whether there is a Loss of Path (LoS) between itself and the second terminal device based on the received reference signal.

[0145] In one possible approach, the first terminal device stores a first neural network, the input of which is a measurement result of a reference signal, and the output of which is whether the measurement result contains a Loss-of-Stake (LoS) path, or the probability that it contains a LoS path.

[0146] In this embodiment of the application, the second reference signal is used for sensing by the second terminal device. In this way, compared with sending a reference signal specifically for obtaining the first information, the convenience and resources can be improved by reusing the reference signal.

[0147] Optionally, the network device may send configuration information of the third reference signal resource to the first terminal device and the second terminal device; the second terminal device sends the third reference signal according to the configuration information of the third reference signal resource; the first terminal device receives the third reference signal according to the configuration information of the third reference signal resource, and obtains the first information according to the third reference signal.

[0148] In one example, the third reference signal resource can be an SRS resource or a sidelink (SL) reference signal resource. A sidelink can generally be understood as a link between terminal devices. In this way, the second terminal device can send the third reference signal to the first terminal device through the sidelink, and the first terminal device can receive the third reference signal through the sidelink.

[0149] In this embodiment of the application, the third reference signal can be transmitted through the side link between the first terminal device and the second terminal device, thereby facilitating the first terminal device's reception of the third reference signal.

[0150] Optionally, the interval between the time when the first terminal device receives the second reference signal and the time when the first terminal device sends the first reference signal is less than or equal to a preset threshold.

[0151] For example, Figure 6 is a schematic diagram comparing the second reference signal received by the first terminal device and the first reference signal sent by the first terminal device according to an embodiment of this application. As shown in Figure 6, the interval between the time when the first terminal device receives the second reference signal and the time when the first terminal device sends the first reference signal is less than or equal to a preset threshold. In other words, the time when the first terminal device receives the second reference signal and the time when the first terminal device sends the first reference signal can belong to the same time window, for example, the time window is 3 seconds, or the first terminal device can receive the second reference signal closest to the first terminal device. In one example, the second reference signal received by the first terminal device and the first reference signal of the first terminal device can both be periodic signals, and the periods of these two signals can be different. The first terminal device can determine a sensing information in each period corresponding to the first reference signal. For each sensing information, the first terminal device can determine whether there is a Loss of Space (LoS) path between itself and the second terminal device based on the second sensing signal that is closer to the corresponding first sensing signal.

[0152] In this embodiment of the application, by ensuring that the time interval between the first terminal device receiving the second reference signal and the time the first terminal device sending the first reference signal is less than or equal to a preset threshold, it can be guaranteed that the difference between the positions of the first terminal device and the second terminal device when the first terminal device identifies the line of sight is small, and the difference between the positions of the two terminal devices when the second terminal device performs environmental perception. In other words, the relative position between the second terminal device and the first terminal device does not change significantly, thereby ensuring the accuracy of the line of sight determination result.

[0153] Optionally, the communication method shown in Figure 5 may further include:

[0154] S404, the first terminal device obtains first location information, which is used to indicate the relative position between the first terminal device and the second terminal device when the first terminal device obtains the sensing information.

[0155] Accordingly, the first terminal device reports its first location information to the network device.

[0156] For example, the first terminal device can perform relative positioning with the second terminal device through a side link, obtain the position information of the second terminal device relative to the first terminal device, and report it to the network device. In this way, the network device can combine the first position information to perform a more comprehensive fusion of the perceived information.

[0157] In this embodiment of the application, the first terminal device also reports the relative position between the first terminal device and the second terminal device. This allows the network device to more comprehensively fuse perceived information based on the relative position, further improving the accuracy of the perceived information. For example, based on the relative position, the specific distance between objects perceived by the first terminal device and objects perceived by the second terminal device can be determined.

[0158] It is understandable that multiple other terminal devices may exist around the first terminal device. Any one of these other terminal devices can be considered a second terminal device, and the same processing procedure as the first terminal device can be performed. Specifically, the first terminal device can determine the first information between itself and each of the multiple other terminal devices, that is, determine whether a Loss of Space (LoS) path exists between itself and each of these terminal devices and report it. In an optional example, the first terminal device can determine and report the relative position between itself and each of these terminal devices. The specific determination method can be found in the existing descriptions regarding the second terminal device above, and will not be repeated here.

[0159] S403, the first terminal device reports sensing information and first information to the network device.

[0160] Specifically, the first type of terminal device can report sensing information and first information simultaneously, or it can report sensing information and first information sequentially. This application embodiment does not limit this and can report according to application requirements.

[0161] Optionally, the first information may include: the identifier of the second terminal device and / or the identifier of the second reference signal resource.

[0162] For example, the identifier of the second terminal device and / or the identifier of the second reference signal resource may be carried in the configuration information of the second reference signal resource.

[0163] For example, the information reported by the first terminal device may take the form of: sensing information, whether a Loss-of-Stake (LoS) path exists between the first and second terminal devices, and one or more of the following identifiers: the identifier of the second terminal device, the identifier of the second reference signal resource, and the identifier of the third reference signal resource. Alternatively, the first terminal device may report the identifiers of related devices or reference signal resources with which it has a LoS path. For instance, when a LoS path exists between the second and first terminal devices, the reported information may be first sensing information and one or more of the following identifiers: the identifier of the second terminal device and the identifier of the reference signal resource, where the identifier of the reference resource may include the identifier of the second or third reference signal resource. When no LoS ​​path exists between the second and first terminal devices, the reported information may be first sensing information.

[0164] It should be understood that multiple other terminal devices may exist around the first terminal device. Any one of these other terminal devices can be considered a second terminal device and perform the same processing procedure as the second terminal device. In this case, the information reported by the first terminal device may also include the identifier of each of the other terminal devices (and / or the identifier of the reference signal resource corresponding to each other device) and first information regarding whether a Loss-of-Stake (LoS) path exists between the first terminal device and any other terminal device. Furthermore, when a LoS path exists between any other terminal device and the first terminal device, the reported information may be in the form of first sensing information and one or more of the following identifiers: the identifier of the other terminal device with which a LoS path exists and / or the identifier of the corresponding reference signal resource when a LoS path exists between the other terminal device and the first terminal device. The identifier of the reference resource may include the identifier of a second reference signal resource or the identifier of a third reference signal resource. When no LoS ​​path exists between any other terminal device and the first terminal device, the reported information may be in the form of first sensing information.

[0165] In this embodiment of the application, the first information may include the identifier of the second terminal device and / or the identifier of the second reference signal resource. This ensures that the first information corresponds to the second terminal device. Subsequently, the first information indicating the first terminal device and the perception information of the second terminal device with the LoS path can be fused to avoid the problem of not being able to distinguish different first information in scenarios where the first terminal device has multiple peer devices, thereby further improving the accuracy of information processing.

[0166] Similar to the first terminal device, the second terminal device also reports sensing information, allowing the network device to fuse sensing information from different terminal devices to obtain more accurate and comprehensive environmental information: the second terminal device reports its sensing information to the network device. Additionally, the second terminal device can also report first information regarding the existence of a LoS path between itself, the first terminal device, and other terminal devices in its surrounding environment. In other words, in specific applications, the first terminal device can be any terminal device that reports sensing information. This terminal device can obtain first information about its relationships with other terminal devices through the methods provided in this application embodiment and report both the sensing information and the first information.

[0167] Understandably, in scenarios where network devices integrate sensing information from multiple terminal devices to obtain more accurate and comprehensive environmental information, one or more of these terminal devices can acquire and report the first information. The terminal device can acquire the first information in a manner similar to that of the first terminal device, the difference being that the actions performed by the first terminal device and the network device for acquiring the first information are adapted to suit the second terminal device. For example, in the example of Figure 5, the second terminal device also receives configuration information of the first reference signal resource sent by the network device.

[0168] Optionally, after the network device receives the sensing information and the first information, the communication method provided in this application embodiment may further include:

[0169] The network device fuses the sensing information of the first terminal device and the sensing information of the second terminal device based on the first information.

[0170] For example, if the first information indicates that there is a line-of-sight path between the first terminal device and the second terminal device, it means that the first terminal device and the second terminal device are in the same environment, and the perception information of the first terminal device and the perception information of the second terminal device can be fused. If the first information indicates that there is no line-of-sight path between the first terminal device and the second terminal device, it means that the first terminal device and the second terminal device are in different environments, and the perception information of the first terminal device and the perception information of the second terminal device are not fused.

[0171] It is understandable that the sensing information of the first terminal device is the sensing information uploaded by the first terminal device, and the sensing information of the second terminal device is the sensing information uploaded by the second terminal device.

[0172] Optionally, when there is no LoS ​​path between the first terminal device and any other terminal device, the network device may not perform perception information fusion.

[0173] For example, Figure 7 is one of the flowcharts illustrating a communication method provided in an embodiment of this application. As shown in Figure 7, the communication method may include:

[0174] S701, the first terminal device sends a first reference signal and obtains sensing information based on the first reference signal;

[0175] The specific implementation of S701 in this embodiment is the same as that of S401 in the embodiment of Figure 4 above. Please refer to the description already provided in the embodiment of Figure 4, which will not be repeated here.

[0176] For example, Figure 8a is a schematic flowchart of a communication method provided in an embodiment of this application. As shown in Figure 8a, the communication method shown in Figure 7 above may further include:

[0177] S7011, the first terminal device reports the group identifier to the network device.

[0178] The group identifier is used to indicate the group to which the first terminal device belongs. For example, the group to which the first terminal device belongs can be divided according to the family, class, office, building, etc., to which the first terminal device belongs. A group can include one or more terminal devices. The first terminal device can subscribe to sensing services through the operator's network or applications that provide sensing services. For example, Figure 9 is an example diagram of the first signal reception scenario provided in an embodiment of this application. As shown in Figure 9, the group identifier can be the identifier of the family to which the first terminal device belongs: group G1.

[0179] Optionally, if the first terminal device subscribes to the sensing service, it may receive a group identifier from the second network device.

[0180] The second network device can be, for example, a server for the sensing service subscribed to by the first terminal device, a base station in the operator's network, or a group identifier issued by a network device such as a unified data management (UDM) network element. In other words, the second network device can be used to implement the functions of sensing service subscription and group identifier issuance.

[0181] For example, a first terminal device subscribes to a first sensing service in a first network. The first network can be, for example, an operator network or a network providing the sensing service. After subscribing to the sensing service, the first terminal device and its associated devices can be assigned a group identifier, such as a Group ID. For instance, if Zhang subscribes to a sensing service, multiple mobile phones belonging to Zhang and multiple mobile phones belonging to Zhang's family members can be assigned the same Group ID. In this embodiment, the first terminal device can be understood as one of Zhang's mobile phones; however, in this scenario, multiple other mobile phones can also perform the relevant steps in this embodiment.

[0182] For example, the first terminal device can report the received group identifier to a first network device or a third network device. The first network device can be used to send configuration information of the first reference signal resource, and the third network device can be used to determine the first configuration information and send the first configuration information to the first terminal device. That is, the first network device is used to implement the function of reference signal resource configuration and the function of sensing information fusion, while the third network device is used to implement functions related to artificial intelligence services, such as determining the first configuration information. In one example, the functions implemented by the first, second, and third network devices can be implemented by a single network device; in this case, the first terminal device does not need to report the group identifier. In one example, the first, second, and third network devices can be network elements in the same network or different networks.

[0183] In this embodiment, the first terminal device receives the group identifier of its current region and sends it to a network device, such as a first network device or a third network device. In this way, even without obtaining the correspondence between the regions and region identifiers contained in different groups, the network device can ensure that the subsequently determined first configuration information accurately indicates the region identifiers of the regions contained in different groups based on the group identifiers reported by the first terminal device. This avoids the inability to distinguish regions with the same region identifier but different groups, and facilitates further improvement in accuracy during subsequent sensing information fusion.

[0184] Optionally, the group identifier is associated with one or more regions, which are the regions where the first terminal device may be located.

[0185] For example, a group identifier can be associated with one or more areas, meaning the group identifier can indicate these areas. For instance, offices within a company can belong to a group and be associated with that group's group identifier. If the first terminal device is an employee's device within that company, then the company's offices represent the potential areas where the first terminal device is located. Referring again to Figure 9, the group identifier G1 is associated with areas room1 to room9, and the first terminal device may enter any of these areas. In other words, when subscribing to a service, the first network can also obtain information about multiple room IDs associated with the group ID. For example, if Xiao Zhang's house is divided into multiple rooms or areas, Xiao Zhang can provide this information to the operations team when subscribing to the service. Subsequently, during the sensing process, the sensing information of multiple terminal devices located in the same area can be fused.

[0186] Based on this, the second network device described in the optional embodiment of S7011 above can also be used to implement the function of storing user data. For example, it can store Group ID information associated with all mobile phones in Xiao Zhang's family, and may also include Group IDs associated with other families, and may also store multiple room IDs associated with Xiao Zhang's family. Optionally, the second network device can send the group identifier to the first network device, which is the network device shown in Figures 7 and 8a. In this way, even if the first terminal device does not report the group identifier, the network device can accurately distinguish different groups using the same area identifier, such as different families, based on the information sent by the second network device, thereby further improving the accuracy of the perceived information.

[0187] In this embodiment of the application, the potential location of the first terminal device is distinguished by a group identifier associated with one or more regions. In this way, for scenarios where the region identifiers are the same but in different groups, the accuracy of the second information can be ensured by combining the group identifiers.

[0188] S702, the first terminal device obtains second information, which is used to indicate the area identifier of the first area. The first terminal device is located in the first area. The perception information and the second information are associated: when the perception information is obtained, the first terminal device is located in the first area.

[0189] Referring again to Figure 8a, in an optional implementation, S702 may specifically include:

[0190] S7021, the first terminal device receives the first signal.

[0191] The first signal is the signal in the area where the first terminal device is located. For example, the first signal can be a synchronization signal (SS), a physical broadcast channel (PBCH) block (SSB), a tracking reference signal, or other reference signals. The first terminal device can receive the first signal once at a certain time to determine the second information. For instance, Figure 9 is an example diagram of a first signal reception scenario provided by an embodiment of this application. As shown in Figure 9, during the movement of the first terminal device along movement route L1 or movement route L2, it can receive the first signal at any reception time, such as Tn.

[0192] In an optional implementation, prior to S7021 above, the communication method in the embodiment shown in FIG8a of this application may further include:

[0193] S7023, the network device sends third and fourth information to the first terminal device.

[0194] The third information indicates the type and / or identifier of the first signal, and the fourth information indicates one or more feature types. The signal characteristics of the first signal are the characteristics of the one or more feature types indicated by the fourth information. For example, the identifier of the first signal may be information such as the ID, index, cell identifier, or type of reference signal of the first signal; that is, there may be multiple first signals. The feature types indicated by the fourth information may include, for example, path loss between the first signal and the corresponding base station, signal strength corresponding to the first signal, delay spread, angle spread, multi-path information, power delay spectrum, and / or channel frequency response.

[0195] S7022, the first terminal device determines the second information based on the signal characteristics of the first signal and the first configuration information.

[0196] For example, the first terminal device can receive one or more first signals indicated by third information, and measure the features of the feature type indicated by fourth information on the received first signals, that is, measure multiple quantities (e.g., processed quantities), which are subsequently referred to as signal features. The first configuration information can reflect the mapping relationship between the signal features of the first signal and the area identifier. In this way, the first terminal device can determine the second information based on the signal features of the first signal and the first configuration information.

[0197] Optionally, the first configuration information may include: information about multiple classes, wherein the information about each class includes one or more of the following: the center point of the class in the first feature space, the first feature space being the space where the signal features of the first signal are located, the shape of the class in the first feature space, or the region identifier associated with the class.

[0198] For example, Figure 10 is an example diagram illustrating the relationship between the signal subspaces corresponding to each category and the regions in the physical space provided in the embodiments of this application. As shown in Figure 10, in the feature space of the first signal, each category in the classification results corresponds to a subspace, which can also be called a signal subspace. The signal subspace and the physical subspace, i.e., the region, in the physical space where the first terminal device is located are highly matched. That is to say, when multiple terminal devices are located in the same physical subspace, for example, the same region, the features of the first signal they measure are usually very similar and located in the same signal subspace. That is, it can be considered that the features of the first signal they measure can belong to the same class corresponding to the same signal subspace. In addition, the feature space of the first signal can be in the form shown in Figure 10, or it can be in the form of a three-dimensional space, or it can be a higher-dimensional space. The embodiments of this application do not limit this, and the specific settings can be made according to the application requirements.

[0199] Based on the above principles, the signal characteristics of the first signal currently measured by the first terminal device can be used to determine which signal subspace the current signal characteristic belongs to. Therefore, each signal subspace can correspond to a physical subspace, and each class corresponds to a physical subspace. This allows the first terminal device to further determine which physical subspace, or region, it is currently located in. For ease of understanding and logical layout, the method for determining the physical subspace based on the signal subspace class will be explained in detail in subsequent embodiments.

[0200] For example, the shape of each class can be a hypersphere or a normalized hypersphere, in which case the shape information of the class can be indicated by the radius of the hypersphere.

[0201] In this embodiment, within the space where the signal features of the first signal reside, i.e., the first feature space, each class can correspond to a signal subspace, and each signal subspace is highly correlated with the area where the first terminal device is located. Based on this, the center point and / or shape of the class can determine a signal subspace, for example, reflecting the center point and shape of the subspace where the signal features of the first signal belonging to that class reside in the first feature space. Each class can be associated with a region identifier, thus reflecting the mapping relationship between the signal features of the first signal and the region identifier. Therefore, when the first configuration information includes the above information for multiple classes, it can be ensured that the first configuration information can be used to determine the second information.

[0202] Optionally, the first configuration information may also include a distance metric function in the first feature space.

[0203] For example, still referring to Figure 9, the distance metric function in the first feature space can be used to determine the distance between the signal features of the first signal measured by the first terminal device and the center point of each class in the first feature space, thereby determining whether the signal features of the current first signal are located in a certain class, or determining which class the signal features of the current first signal are closest to, thereby determining which class the signal features of the first signal belong to.

[0204] In this embodiment, a distance metric function in the first feature space can be used to determine the distance between the signal features of the first signal measured by the first terminal device and the center points of each class in the first feature space. Therefore, the distance determined by this distance metric function can be used to determine the class to which the signal features of the first signal belong. Thus, when the first configuration information also includes this distance metric function, the accuracy of determining the class to which the signal features of the first signal belong can be improved, thereby further improving the accuracy of determining the second information based on the first configuration information.

[0205] Optionally, the first configuration information may include: a first neural network model, the input of which is the signal characteristics of the first signal, and the output of which is the region identifier of the first region.

[0206] In this embodiment of the application, the first configuration information includes a first neural network model, so that the first terminal device can obtain the region identifier of the first region by inputting the signal characteristics of the first signal into the first neural network model, without the need for additional comparison or other operations, which improves convenience.

[0207] In one implementation, the first configuration information may be pre-stored in the first terminal device, or it may be sent to the first terminal device by the second network device when the first terminal device subscribes to the sensing service.

[0208] In another alternative example, prior to S7022 above, the communication method in the embodiment shown in FIG8a of this application may further include:

[0209] S7024, the network device sends the first configuration information to the first terminal device.

[0210] For example, the first terminal device can receive first configuration information sent by the network device. The network device can be a base station or core network element in the cellular network where the first terminal device is located. The core network element is, for example, a network element that can be responsible for collecting sensing information. Its name can be, for example, a sensing function (SF), or a network element that can process sensing information, such as a network element with AI capabilities.

[0211] In this embodiment, the first signal is a signal in the environment where the first terminal device is located, and the first configuration information can reflect the mapping relationship between the signal characteristics of the first signal and the area identifier. Based on this, the first terminal device can determine the second information according to the signal characteristics of the first signal and the first configuration information.

[0212] The specific method by which network devices determine the first configuration information is explained below with reference to Figures 8b to 11.

[0213] For example, Figure 8b is a schematic flowchart of a communication method provided in an embodiment of this application. As shown in Figure 8b, before S702 of the embodiment of Figure 7 and before S7024 of the embodiment of Figure 8a, the communication method provided in this application may further include:

[0214] S801, the second terminal device receives the first signal at a first moment, determines the first feature, and receives the first signal at a second moment, determines the second feature;

[0215] The specific method by which the second terminal device receives the first signal is similar to the method by which the first terminal device receives the first signal. For example, prior to the second terminal device S801 described above, the communication method may optionally include:

[0216] S804, the network device sends third and fourth information to the second terminal device.

[0217] The difference lies in the specific terminal device adaptation adjustment to a second terminal device in this embodiment. For the same parts, please refer to the relevant existing description in the embodiment of Figure 8a above, which will not be repeated here. The first feature is the signal feature of the first signal received by the second terminal device at the first moment, and the second feature is the signal feature of the first signal received by the second terminal device at the second moment. The specific description and determination method of the first feature and the second feature are similar to the signal feature of the first signal used by the first terminal device in the embodiment of Figure 8a above. For the same parts, please refer to the existing description of the signal feature of the first signal in the embodiment of Figure 8a above, which will not be repeated here.

[0218] The difference lies in that the first and second features originate from the first signals received by the second terminal device at the first and second moments, respectively. For example, referring to Figure 9, the second terminal device can continuously receive and measure signals over time, thus obtaining multiple signal features, namely the first and second features. For instance, the second terminal device continuously receives and measures the first signal along mobile route L1 or L2, obtaining signal features 1, 2, 3, etc., arranged sequentially in time. In one example, each signal feature can be associated with a time (e.g., Tn) and location information; for example, measuring the time and location corresponding to the signal. Each signal feature obtained by the second terminal device can be in the form of a list of {cell identifier, reference signal identifier, signal features of type 1, signal features of type 2, ..., signal features of type m}, where m is the number of specific signal feature types; or, the multiple signal features obtained by the second terminal device can be in the form of a separate list for each specific signal feature, with multiple lists corresponding to multiple signal features. This application embodiment does not limit the specific form of the signal features and can set them according to application requirements.

[0219] S802, the second terminal device reports the first feature and the second feature to the network device, and whether the first feature and the second feature are related.

[0220] The first feature and the second feature are associated to indicate that the time difference between the first time and the second time is less than or equal to a first time threshold, and / or the distance difference between the position of the first terminal device at the first time and the position at the second time is less than or equal to a first distance threshold.

[0221] Based on this, if the time difference between two signal features is less than a first time threshold, and / or the distance difference between the locations corresponding to two signal features is less than a first distance threshold, then the two signal features are considered to be connected. In principle, if the time or distance between two measurements of the first signal by the second terminal device is close, then the second terminal device is also located in the same or adjacent areas in the physical world. Thus, by reporting each signal feature and whether they are associated to the network device, the second terminal device can ensure that the network device can determine the area where the first terminal device is located and its corresponding area identifier, thereby obtaining the first configuration information.

[0222] For example, each signal feature is also associated with a timestamp, which may be, for example, a first moment or a second moment. For example, each signal feature includes an identifier for that signal feature, and is also associated with an identifier for another signal feature to indicate whether that signal feature is associated with other signal features. For example, if signal feature 1 is associated with signal feature identifier 10, it means that signal feature 1 is connected to signal features 2 to 10, i.e., associated, based on a first distance threshold and / or a first time threshold.

[0223] In practical applications, the form in which each signal feature is associated with other signal features, that is, whether the first feature and the second feature are associated, can be varied. For example, the form of association could be signal feature 1 and a timestamp, indicating that signal feature 1 has no associated other signal features; or, the form of association could be a signal feature identifier, signal feature 1 and the signal feature identifier associated with signal feature 1, etc. This application does not limit the form of association between the first feature and the second feature; it can be set according to application requirements.

[0224] Optionally, before the second terminal device reports to the network device whether the first feature and the second feature are associated, the communication method may further include:

[0225] S803, the network device sends an indication of a first time threshold and / or an indication of a first distance threshold to the second terminal device.

[0226] For example, the indication information for the first time threshold may be a message containing the first time threshold itself, a formula or data that can be used to calculate the first time threshold, etc. Similarly, the indication information for the first distance threshold may be a message containing the first time threshold itself, a formula or data that can be used to calculate the first time threshold, etc.

[0227] In this embodiment, the second terminal device can receive indication information of a first time threshold and / or a first distance threshold before reporting the first feature and the second feature, and before determining whether the first feature and the second feature are associated. This ensures that the second terminal device can promptly determine whether the first feature and the second feature are associated. Furthermore, this facilitates timely updates to the first time threshold and / or the first distance threshold used by the second terminal device.

[0228] Optionally, still referring to Figure 8b, before the network device determines the first configuration information, the communication method may further include:

[0229] S805, the second terminal device reports the regional connectivity relationship to the network device.

[0230] The regional connectivity relationship includes connectivity and / or non-connectivity between the second and third regions. Connectivity between the second and third regions is used to indicate that it is possible to directly enter the third region from the second region. The second and third regions are the potential regions where the second terminal device is located.

[0231] For example, the potential location of the second terminal device is the area that the second terminal device may enter. The second area and the third area are different rooms in the house where the second terminal device is located. In this case, the connectivity between the areas can be, for example, a floor plan of the house or information indicating which rooms in the house are connected and / or not connected.

[0232] For example, still referring to Figure 10, the first area connectivity information includes the identification of multiple areas, such as room1 to room9, and the connectivity between multiple areas. For example, in the floor plan shown in Figure 10, different rooms and corridors that can be directly accessed or pushed open by a door are connected (such as room1 and room6), while areas that are blocked by walls and cannot be directly accessed are not connected (such as room1 and room9).

[0233] For example, Figure 11 is an example diagram of regional connectivity and signal subspace connectivity provided in an embodiment of this application. As shown in Figure 11, regional connectivity can be, for example, information that can indicate which rooms in a house are connected and / or not connected: regional connectivity UR1.

[0234] In this embodiment, the regional connectivity relationship reported by the second terminal device can reflect which regions in the different regions where the second terminal device may be located are connected and / or not connected, and the connected regions are in the same environment. Based on this, the network device can compare the correlation between the regional connectivity relationship and the first feature and the second feature, and match the signal subspace corresponding to the class to which the first feature and the second feature belong with the regions in the regional connectivity relationship, thereby determining the mapping relationship between the signal features of the first signal and the region identifier.

[0235] S806, the network device determines the first configuration information based on the first feature and the second feature, and information on whether the first feature and the second feature are associated.

[0236] For example, a network device can cluster the signal features based on a large amount of received signal feature data of the first signal (including the aforementioned first and second features) to obtain the signal subspaces corresponding to each class. Specific clustering algorithms can be K-means, kernel clustering, hierarchical clustering, clustering through neural networks, etc., and this application embodiment does not impose any limitations.

[0237] For example, network devices can determine the connectivity between corresponding signal subspaces and between different regions based on the connectivity relationships between them. The connectivity relationships between signal subspaces can be determined by the connectivity relationships between signal features. For instance, according to the clustering method described above, if a first feature belongs to class T1, a second feature belongs to class T2, and the information reported by the second terminal device indicates that the first feature and the second feature are associated, then it can be determined that class T1 and class T2 are connected. In one example, according to the clustering method described above, if a first feature belongs to class T1, a second feature belongs to class T2, and the information reported by the second terminal device indicates that the first feature and the second feature are associated, and a first quantity or a first proportion of signal features in class T1 are associated with a second quantity or a second proportion of signal features in class T2, then it can be determined that class T1 and class T2 are connected. The first quantity and the second quantity can be the same or different; that is, when at least a certain quantity or a certain proportion of signal features in one class are associated with signal features in another class, it can be determined that the two classes are connected.

[0238] Ideally, the connectivity between corresponding signal subspaces should be highly matched with the connectivity between regions, i.e., the regional connectivity reported by the first terminal. For example, if room1 and room2 are connected, and most of the features of the first signal measured by the second terminal device in region room1 are in class T1, and most of the features of the first signal measured by the second terminal device in region room2 are in class T2, then at least some features of the first signal measured by the second terminal device in region room1 should be correlated with at least some features of the first signal measured by the second terminal device in region room2. For any mapping relationship between a signal subspace and regions, the degree of matching between the two connectivity relationships under this mapping relationship can be calculated to determine the mapping relationship with the highest degree of matching. For example, suppose class T1 is mapped to room 1 and class T2 is mapped to room 9. Based on the correlation of different signal characteristics reported by the second terminal device, it can be determined that class T1 and class T2 are connected, while room 1 and room 9 are not connected. Clearly, this mapping relationship does not match the connectivity between signal subspaces and the connectivity between regions; that is, this mapping relationship is unreasonable or incorrect. In other words, the mapping relationship with the highest degree of matching is reasonable or correct and can be used to determine region identification.

[0239] For example, still referring to Figure 10 or Figure 11, classes T1 and T2 are interconnected between signal subspace 1 and signal subspace 2. Therefore, the regions of the physical space corresponding to signal subspace 1 should be interconnected, i.e., associated, with the regions of the physical space corresponding to signal subspace 2. It can be inferred that class T1 corresponding to a signal subspace may be associated with room1, and class T2 corresponding to a signal subspace may be associated with room2; or class T1 corresponding to a signal subspace may be associated with room1, and class T2 corresponding to a signal subspace may be associated with room6; or class T1 corresponding to a signal subspace may be associated with room6, and class T2 corresponding to a signal subspace may be associated with room8… Simultaneously, it can also be inferred that… Possible scenarios include: a signal subspace corresponding to class T1 associated with room1 and a signal subspace corresponding to class T2 associated with room3; or a signal subspace corresponding to class T1 associated with room1 and a signal subspace corresponding to class T2 associated with room7; or a signal subspace corresponding to class T1 associated with room6 and a signal subspace corresponding to class T2 associated with room9... In this way, the network device can complete the matching of the signal subspace and the area in the physical space based on the matching of the connectivity relationships in the two spaces: based on the signal characteristics of the first signal, it can determine which signal subspace the signal characteristic is located in, thereby matching the connectivity relationships to determine which area in the physical space the signal characteristic is located in, and thus determining the area identifier. For example, in Figure 11, the network device can determine the connectivity relationship UR21 based on the information of whether the signal features in classes T1 to T3 are associated: classes T1 and T2 are associated. It can calculate the matching degree between the regional connectivity relationship HR1 and the connectivity relationship UR21, and determine that for classes T1 and T2, the matching degree between the connectivity relationship UR11 and the connectivity relationship UR21 is the highest. Thus, it can determine the mapping relationship between the signal subspaces corresponding to classes T1 and T2 and the regions indicated by the regional connectivity relationship UR1.

[0240] It should be noted that clustering based on signal feature data and the calculation of the mapping relationship between each class and each region can be iterative. For example, the clustering results can be readjusted based on the degree of matching of the connectivity between the two spaces in the mapping relationship, and then the connectivity of the signal subspaces can be re-determined based on the adjusted clustering results. Finally, the mapping relationship between the two spaces can be recalculated based on the re-determined connectivity of the signal subspaces.

[0241] In this embodiment of the application, the network device matches the connectivity relationship corresponding to the classification result of the signal features and the connectivity relationship of the regions based on the principle that the signal subspaces corresponding to each category of the classification result of the signal features in the feature space of the first signal are highly matched with the regions of the physical space where the first terminal device is located. This results in first configuration information that can indicate the mapping relationship between the signal features of the first signal and the region identifier of the first region.

[0242] In a specific application, the second terminal device in the embodiment of Figure 8b can be a different terminal device from the first terminal device. In this case, the communication method may further include:

[0243] S807, Second terminal device reporting group identifier.

[0244] The group identifier reported by the second terminal device is similar to S7011 in the embodiment of Figure 8a above. The difference is that the device adaptability reported in S807 is adjusted to the second terminal device. For the same parts, please refer to the description in S7011 of the embodiment of Figure 8a above, which will not be repeated here. When the second terminal device and the first terminal device belong to the same group, that is, the group identifier is the same, the information on the first feature and the second feature reported by the second terminal device, as well as whether the first feature and the second feature are related, can reflect the situation of the area where the first terminal device is located. Therefore, the first configuration information determined by the network device based on this information is applicable to the first terminal device to determine the second information. For example, the second terminal device and the first terminal device are both terminal devices in Xiao Zhang's home. In this regard, the network device can combine the group identifier to ensure that the first configuration information sent to the first terminal device can be used by the first terminal device to determine the second information.

[0245] In another example, the second terminal device in the embodiment of FIG8b above can be the first terminal device itself. That is, the first terminal device can obtain the first configuration information by executing the communication method provided in the embodiment of FIG8b before determining the second information. It is understood that the network device, based on the information reported by the second terminal device, determines the first configuration information and can send it to any terminal device belonging to the same group as the second terminal device to determine the second information. The terminal devices in the same group may potentially be located in, or enter, one or more areas.

[0246] Optionally, after receiving the first configuration information, the second terminal device may also perform the following actions: receiving the first signal at a first moment, determining the first feature, receiving the first signal at a second moment, determining the second feature, and reporting the relevant information.

[0247] In this way, the first and second features reported by the second terminal device, and whether the first and second features are related, can be used by the network device to update the first configuration information and send it to the second terminal device and / or other terminal devices belonging to the same group as the second terminal device.

[0248] In this embodiment of the application, after receiving the first configuration information, the second terminal device can also report the first feature and the second feature, as well as whether the first feature and the second feature are related, which can ensure that the network device updates the first configuration information accordingly, thereby improving the accuracy of the second information and further improving the accuracy of the perceived information.

[0249] Referring again to Figure 7, when the first terminal device receives the second information, the communication method may include:

[0250] S703, the first terminal device reports sensing information and second information to the network device.

[0251] The specific implementation of S703 in this embodiment is similar to S403 in the embodiment of Figure 4 above. The difference is that the information reported by S703 is associated with the perception information as the second information. For the same part, please refer to the existing description in the embodiment of Figure 4, which will not be repeated here.

[0252] For example, the form in which the first terminal device reports the sensing information and the second information may include: reporting the first sensing information and the room ID, or reporting the first sensing information, the group ID, and the room ID. Accordingly, the network device may receive the sensing information and the room ID corresponding to each terminal device, as well as the group ID from the terminal device or other network devices (such as the second network device), thereby fusing sensing information with the same group ID and room ID.

[0253] In addition, the second terminal device can acquire and report the second information to the network device in a similar manner to the first terminal device. The difference is that when the first terminal device acquires and reports the second information, the first terminal device in this method is adapted to the second terminal device. For example, the second information acquired by the second terminal is used to indicate the area identifier of the second area, and the second terminal device is located in the second area.

[0254] It is understandable that when the second terminal device and the first terminal device are in the same environment, the second area and the first area are the same. That is, if the area identifier of the first area and the area identifier of the second area are the same, the first terminal device and the second terminal device are in the same area; if the area identifiers of the first area and the second area are different, the first terminal device and the second terminal device are in different areas, that is, different environments.

[0255] Optionally, after receiving the sensing information and the second information, the network device can also fuse the sensing information of the first terminal device and the sensing information of the second terminal device based on the second information.

[0256] For example, the second information uploaded by the first terminal device indicates the identifier of the area where the first terminal device is located, and the second information uploaded by the second terminal device indicates the identifier of the area where the second terminal device is located. If the area identifiers, or the second information, are the same, it indicates that the first terminal device and the second terminal device are located in the same area, that is, in the same environment, and the perception information of the first terminal device and the second terminal device can be fused. If the area identifiers, or the second information, are different, it indicates that the first terminal device and the second terminal device are located in the same area, that is, in different environments, and the perception information of the first terminal device and the second terminal device are not fused. It can be understood that the perception information of the first terminal device is the perception information uploaded by the first terminal device, and the perception information of the second terminal device is the perception information uploaded by the second terminal device.

[0257] Optionally, prior to S702, the first terminal device can determine whether it is located in the target area. If it is located in the target area, it further determines which room ID it is currently associated with. For example, Zhang's mobile phone determines whether it is currently located in Zhang's home. If it is in Zhang's home, it further determines which room or area it is located in to determine the corresponding room ID, i.e., it executes S702.

[0258] In one implementation, the first terminal device, such as Zhang's mobile phone, can achieve room-level positioning via Wi-Fi to obtain the second information. For example, it can determine whether the mobile phone is currently at home and in which room of the home by using Wi-Fi-related signal fingerprint information.

[0259] Understandably, in this embodiment, all the mobile phones in Xiao Zhang's house can participate in the establishment of the radio frequency fingerprint database, and the terminal devices in the same group have the same division of the house into areas and the same numbering for each area. For example, all the mobile phones believe that the house is divided into areas such as living room, bedroom, bathroom, bedroom and kitchen, and the areas recorded by each mobile phone are the same as the identifiers of each area. For example, Xiao Zhang's house, that is, all the mobile phones in the same group, record that the living room corresponds to room ID 0, the bedroom corresponds to room ID 1, etc.

[0260] Optionally, if the first information indicates that there is no line-of-sight path between the first terminal device and the second terminal device, the first terminal device can execute S702 to obtain the second information by executing S402. For example, referring to Figure 9, both the first terminal device and the second terminal device are in room 7, but there is no line-of-sight path between them due to the wardrobe blocking their view. In this case, the second information can ensure that the network device determines that the two are in the same area, thereby fusing the perception information reported by the first terminal device and the second terminal device respectively.

[0261] It is understood that the information reported by the first terminal device to the network device in this embodiment may include: sensing information and second information, or sensing information, second information and first information.

[0262] For example, FIG12 is one of the example diagrams of the frame structure of a communication device provided in an embodiment of this application. As shown in FIG12, the communication device 1200 may include:

[0263] Transmitting module 1201 is used to transmit a first reference signal;

[0264] The sensing module 1202 is used to obtain sensing information based on the first reference signal;

[0265] Information acquisition module 1203 is used to acquire first information, which is used to indicate whether there is a line-of-sight path between the first terminal device and the second terminal device;

[0266] The reporting module 1204 is used to report sensing information and first information. The sensing information and first information are associated, and the association between the sensing information and first information includes: whether there is a line-of-sight path between the first terminal device and the second terminal device when the sensing information is obtained.

[0267] In one example, in the communication device shown in Figure 12, the information acquisition module 1203 is used to acquire second information, which is used to indicate the area identifier of the first area, and the first terminal device is located in the first area; the reporting module 1204 is used to report sensing information and second information, which are associated with each other. The association between the sensing information and the second information includes: when the sensing information is obtained, the first terminal device is located in the first area.

[0268] It is understood that the communication device shown in Figure 12 above is an example. In specific applications, the device can be a terminal device, or a device, module, circuit, or chip configured in a terminal device, or a device that can be used in conjunction with a terminal device. In one design, the module in the communication device can be a hardware circuit, software, or a combination of hardware circuit and software.

[0269] For example, FIG13 is one of the example diagrams of the frame structure of a communication device provided in an embodiment of this application. As shown in FIG13, the communication device 1300 may include:

[0270] The receiving module 1301 is used to receive sensing information and first information, and the sensing information and first information are associated; wherein, the sensing information is used to indicate the sensing result of the terminal device on the surrounding environment, and the first information is used to indicate whether there is a line-of-sight path between the first terminal device and the second terminal device, and the association between the sensing information and the first information includes: whether there is a line-of-sight path between the first terminal device and the second terminal device when the sensing information is obtained.

[0271] In one example, in the communication device shown in FIG13, the receiving module 1301 is used to receive sensing information and second information, the sensing information and the second information being associated; wherein, the second information is used to indicate the area identifier of the first area, the first terminal device is located in the first area, and the association of the sensing information and the second information includes: when the sensing information is obtained, the first terminal device is located in the first area.

[0272] It is understood that the communication device shown in Figure 13 above is an example. In specific applications, the device can be a network device, or a device, module, circuit, or chip configured in a network device, or a device that can be used in conjunction with a network device. In one design, the module in the device can be a hardware circuit, software, or a combination of hardware circuit and software.

[0273] For example, FIG14 is one of the example diagrams of the framework structure of a communication device provided in an embodiment of this application. As shown in FIG14, the communication device 1400 includes a processing unit 1410 and a transceiver unit 1420. The communication device 1400 is used to implement the functions of the terminal device or network device in the above method embodiments.

[0274] When the communication device 1400 is used to implement the functions of the terminal device in the method embodiment: the transceiver unit 1420 is used to perform the functions of the sending module 1201 and the reporting module 1204 in FIG12, as well as the functions related to signal transmission and reception in the sensing module 1202 and the information acquisition module 1203, or to perform the functions of the information receiving module 1301 in FIG13.

[0275] For example, FIG15 is one of the example diagrams of the framework structure of a communication device provided in an embodiment of this application. As shown in FIG15, the communication device 1500 includes a processor 1510 and an interface circuit 1520. The processor 1510 and the interface circuit 1520 are coupled to each other. It is understood that the interface circuit 1520 can be a transceiver or an input / output interface. Optionally, the communication device 1500 may further include a memory 1530 for storing instructions executed by the processor 1510, or storing input data required by the processor 1510 to execute instructions, or storing data generated after the processor 1510 executes instructions.

[0276] When the communication device 1500 is used to implement the functions of the terminal device or network device in the above method embodiment, the processor 1510 is used to implement the functions of the processing unit 1410 in FIG14, and the interface circuit 1520 is used to implement the functions of the transceiver unit 1420 in FIG14.

[0277] It is understood that Figures 14 and 15 are schematic diagrams of possible communication devices provided in the embodiments of this application. These communication devices can be used to implement the functions of terminals or base stations in the above method embodiments, and thus can also achieve the beneficial effects of the above method embodiments.

[0278] Furthermore, the frameworks shown in Figures 3 and 12 to 15 of this application, in order to realize the functions of the communication methods described in the embodiments of this application, include hardware and / or software modules corresponding to the execution of each function. In conjunction with the algorithm steps of the various examples described in the embodiments disclosed herein, this application can be implemented in hardware or a combination of hardware and computer software. Whether a function is executed in a manner that drives hardware or computer software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application in conjunction with the embodiments, but such implementation should not be considered beyond the scope of this application.

[0279] This embodiment also provides a computer storage medium storing computer instructions. When the computer instructions are executed on an electronic device, the electronic device performs the aforementioned method steps to implement the communication method in the above embodiment.

[0280] This embodiment also provides a computer program product that, when run on a computer, causes the computer to perform the aforementioned steps to implement the communication method described in the above embodiment.

[0281] In this embodiment, the electronic device, computer storage medium, computer program product or chip are all used to execute the corresponding method provided above. Therefore, the beneficial effects that can be achieved can be referred to the beneficial effects of the corresponding method provided above, and will not be repeated here.

[0282] Any content in the various embodiments of this application, as well as any content in the same embodiment, can be freely combined. Any combination of the above content is within the scope of this application.

[0283] Those skilled in the art will recognize that the functions described in the embodiments of this application in one or more of the above examples can be implemented using hardware, software, firmware, or any combination thereof. When implemented using software, these functions can be stored in a computer-readable medium or transmitted as one or more instructions or code on a computer-readable medium. Computer-readable media include computer storage media and communication media, wherein communication media include any medium that facilitates the transfer of a computer program from one place to another. Storage media can be any available medium that can be accessed by a general-purpose or special-purpose computer.

[0284] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A communication method, characterized in that, Applied to a first terminal device, the method includes: Send the first reference signal; Based on the first reference signal, the perceived information is obtained; Obtain first information, which is used to indicate whether there is a line-of-sight path between the first terminal device and the second terminal device; The reported sensing information and the first information are associated, and the association between the sensing information and the first information includes: when the sensing information is obtained, whether there is a line-of-sight path between the first terminal device and the second terminal device.

2. The method according to claim 1, characterized in that, The acquisition of the first information includes: Receive the second reference signal sent by the second terminal device; The first information is obtained based on the second reference signal.

3. The method according to claim 2, characterized in that, The second reference signal is used for sensing by the second terminal device, or the second reference signal is transmitted through a side link between the first terminal device and the second terminal device.

4. The method according to claim 2 or 3, characterized in that, The first information includes: the identifier of the second terminal device and / or the identifier of the second reference signal resource.

5. The method according to any one of claims 2 to 4, characterized in that, The interval between the time when the first terminal device receives the second reference signal and the time when the first terminal device sends the first reference signal is less than or equal to a preset threshold.

6. The method according to any one of claims 1 to 5, characterized in that, The method further includes: The first location information is reported, which is used to indicate the relative position between the first terminal device and the second terminal device when the first terminal device obtains the sensing information.

7. A communication method, characterized in that, Applied to a first terminal device, the method includes: Send the first reference signal; Based on the first reference signal, the perceived information is obtained; Obtain second information, which is used to indicate the area identifier of the first area, and the first terminal device is located in the first area; The sensing information and the second information are reported, and the sensing information and the second information are associated. The association of the sensing information and the second information includes: when the sensing information is obtained, the first terminal device is located in the first area.

8. The method according to claim 7, characterized in that, The acquisition of the second information includes: Receive the first signal; Receive first configuration information, and determine the second information based on the signal characteristics of the first signal and the first configuration information.

9. The method according to claim 8, characterized in that, The first configuration information includes information about multiple classes. The information of each class includes one or more of the following: the center point of the class in a first feature space, where the first feature space is the space where the signal features of the first signal are located; the shape of the class in the first feature space; or the region identifier associated with the class.

10. The method according to claim 9, characterized in that, The first configuration information also includes a distance metric function in the first feature space.

11. The method according to claim 8, characterized in that, The first configuration information includes a first neural network model, the input of which is the signal characteristics of the first signal, and the output of which is the region identifier of the first region.

12. The method according to any one of claims 8 to 11, characterized in that, The method further includes: Receive the first signal at a first moment, determine the first feature, and receive the first signal at a second moment to determine the second feature; The report includes the first feature and the second feature, as well as whether the first feature and the second feature are associated. The association of the first feature and the second feature is used to indicate that the time difference between the first time and the second time is less than or equal to a first time threshold, and / or the distance difference between the position of the first terminal device at the first time and the position at the second time is less than or equal to a first distance threshold.

13. The method according to claim 12, characterized in that, Before reporting the first feature and the second feature, and whether the first feature and the second feature are associated, the method further includes: Receive indication information of the first time threshold and / or indication information of the first distance threshold.

14. The method according to any one of claims 8 to 13, characterized in that, The method further includes: The regional connectivity relationship is reported, which includes connectivity and / or non-connectivity between the second region and the third region. The connectivity between the second region and the third region is used to indicate that it is possible to directly enter the third region from the second region. The second region and the third region are the regions where the first terminal device is potentially located.

15. The method according to any one of claims 8 to 14, characterized in that, Before receiving the first signal, the method further includes: Receive third information and fourth information, wherein the third information is used to indicate the type and / or identifier of the first signal, and the fourth information is used to indicate one or more feature types, wherein the signal characteristics of the first signal are the characteristics of one or more feature types indicated by the fourth information.

16. The method according to any one of claims 8 to 15, characterized in that, The method further includes: Receive group identifier, the group identifier being used to indicate the group to which the first terminal device belongs; Report the group identifier.

17. The method according to claim 16, characterized in that, The group identifier is associated with one or more regions, which are the regions where the first terminal device may be located.

18. A communication method, characterized in that, Applied to network devices, the method includes: Receive sensing information and first information, wherein the sensing information is associated with the first information; Wherein, the perception information is used to indicate the perception result of the terminal device on the surrounding environment, the first information is used to indicate whether there is a line-of-sight path between the first terminal device and the second terminal device, and the perception information and the first information are associated with each other including: whether there is a line-of-sight path between the first terminal device and the second terminal device when the perception information is obtained.

19. The method according to claim 18, characterized in that, After receiving the sensed information and the first information, the method further includes: Based on the first information, the sensing information of the first terminal device and the sensing information of the second terminal device are fused.

20. The method according to claim 18 or 19, characterized in that, The first information includes: the identifier of the second terminal device and / or the identifier of the second reference signal resource.

21. The method according to any one of claims 18 to 20, characterized in that, The method further includes: Receive first location information, which is used to indicate the relative position between the first terminal device and the second terminal device when the first terminal device obtains the sensing information.

22. A communication method, characterized in that, Applied to network devices, the method includes: Receive sensing information and second information, wherein the sensing information and the second information are associated; Wherein, the second information is used to indicate the area identifier of the first area, the first terminal device is located in the first area, and the perception information and the second information are associated with each other including: when the perception information is obtained, the first terminal device is located in the first area.

23. The method according to claim 22, characterized in that, After receiving the sensed information and the second information, the method further includes: Based on the second information, the sensing information of the first terminal device and the sensing information of the second terminal device are fused.

24. The method according to claim 22 or 23, characterized in that, Before receiving the sensed information and the second information, the method further includes: Send first configuration information, which is used by the first terminal device to determine the second information based on the signal characteristics of the first signal and the first configuration information.

25. The method according to claim 24, characterized in that, The first configuration information includes: information about multiple classes, wherein the information about each class includes one or more of the following: the center point of the class in a first feature space, the first feature space being the space where the features of the first signal are located, the shape of the class in the first feature space, or the region identifier associated with the class.

26. The method according to claim 25, characterized in that, The first configuration information also includes a distance metric function in the first feature space.

27. The method according to claim 24, characterized in that, The first configuration information includes: a first neural network model, the input of which is the signal characteristics of the first signal, and the output of which is the region identifier of the first region.

28. The method according to any one of claims 24 to 27, characterized in that, The method further includes: Receive a first feature and a second feature, as well as information on whether the first feature and the second feature are associated; Wherein, the first feature is the signal feature of the first signal received by the first terminal device at a first time, the second feature is the signal feature of the first signal received by the first terminal device at a second time, and the first feature and the second feature are associated to indicate that: the time difference between the first time and the second time is less than or equal to a first time threshold, and / or the distance difference between the position of the first terminal device at the first time and the position at the second time is less than or equal to a first distance threshold.

29. The method according to claim 28, characterized in that, Before receiving the first feature and the second feature, and the information on whether the first feature and the second feature are associated, the method further includes: Send indication information for the first time threshold and / or indication information for the first distance threshold.

30. The method according to claim 24, characterized in that, Before sending the first configuration information, the method further includes: The system receives regional connectivity relationships, which include connectivity and / or non-connectivity between a second region and a third region. Connectivity between the second region and the third region indicates that direct access from the second region to the third region is possible. The second region and the third region are potential locations of the first terminal device.

31. The method according to any one of claims 22 to 30, characterized in that, Before receiving the sensed information and the second information, the method further includes: Send a third message and a fourth message, wherein the third message is used to indicate the type and / or identifier of the first signal, and the fourth message is used to indicate one or more feature types, wherein the signal characteristics of the first signal are the characteristics of one or more feature types indicated by the fourth message.

32. The method according to any one of claims 23 to 31, characterized in that, Before fusing the sensing information of the first terminal device and the sensing information of the second terminal device based on the second information, the method further includes: Receive group identifier, the group identifier being used to indicate the group to which the first terminal device belongs.

33. The method according to claim 32, characterized in that, The group identifier is associated with one or more regions, which are the regions where the first terminal device may be located.

34. A communication system, characterized in that, The system includes a first terminal device and a network device; The first terminal device is configured to send a first reference signal; obtain sensing information based on the first reference signal; and acquire first information, wherein the first information is used to indicate whether there is a line-of-sight path between the first terminal device and the second terminal device. The sensing information and the first information are reported, and the sensing information and the first information are associated. The association between the sensing information and the first information includes: when the sensing information is obtained, whether there is a line-of-sight path between the first terminal device and the second terminal device. The network device is used to receive the sensing information and the first information.

35. A communication system, characterized in that, The system includes a first terminal device and a network device; The first terminal device is configured to send a first reference signal; obtain sensing information based on the first reference signal; and acquire second information, the second information being used to indicate a region identifier of a first region, wherein the first terminal device is located in the first region. Reporting the perceived information and the second information, wherein the perceived information and the second information are associated, and the association between the perceived information and the second information includes: when the perceived information is obtained, the first terminal device is located in the first area; The network device is used to receive the sensing information and the second information.

36. A communication device, characterized in that, It includes units or modules for performing the method as described in any one of claims 1-33.

37. A communication device, characterized in that, include: Processor and storage media; The processor is connected to the storage medium; The storage medium is used to store one or more programs; When the one or more programs are executed by the one or more processors, the one or more processors implement the method as described in any one of claims 1 to 33.

38. A communication device comprising a processor for processing data and / or information such that the method of any one of claims 1 to 33 is implemented.

39. A computer-readable storage medium, characterized in that, The method includes instructions, characterized in that, when the instructions are executed by a processor, the method described in any one of claims 1 to 33 is implemented.

40. A chip, characterized in that, It includes one or more processors; when said processors execute programs or instructions, the method described in any one of claims 1 to 33 is implemented.

41. A computer program product, characterized in that, It includes computer program code or instructions that, when executed, cause the method described in any one of claims 1 to 33 to be implemented.

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