Information transmission method and apparatus, and communication device

Abstract

The application discloses an information transmission method, device and communication equipment, and belongs to the technical field of communication. The information transmission method of the application comprises the following steps: a first device sends capability information to a second device, wherein the capability information is used for indicating that the first device comprises at least one receiving unit set, and each receiving unit set comprises at least two receiving antennas or at least two receiving channels; the first device acquires a first message sent by the second device; and the first device sends a second message in response to the first message, wherein the second message comprises first results or second results of at least two target receiving units, the first results are obtained by measuring a first signal, the second results are obtained by performing target operation on the first results corresponding to the at least two target receiving units, and the at least two target receiving units are determined according to the at least one receiving unit set; the target operation is division operation or conjugate multiplication operation.

Description

Technical Field

[0001] This application belongs to the field of communication technology, specifically relating to an information transmission method, apparatus, and communication equipment. Background Technology

[0002] For base stations or terminal devices with multiple distributed antennas, panels, or transmission and receiving points (TRPs), due to the non-ideal characteristics of hardware such as crystal oscillators or frequency multipliers, the amplitude or phase of the signals received by multiple receiving antennas or channels of the base station or terminal device may fluctuate randomly. This results in significant differences in the Channel State Information (CSI) corresponding to multiple receiving antennas or channels, leading to inaccurate sensing results recovered based on CSI. Therefore, determining which two receiving antennas' CSIs to use for accurate sensing result recovery is a problem that needs to be solved. Summary of the Invention

[0003] This application provides an information transmission method, apparatus, and communication device that can solve the problem of accurately recovering sensing results based on the CSI of which two receiving antennas for a device with multiple receiving antennas.

[0004] Firstly, an information transmission method is provided, including:

[0005] The first device sends capability information to the second device, the capability information being used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels;

[0006] The first device acquires the first message sent by the second device;

[0007] In response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units; the target operation being a division operation or a conjugate multiplication operation; the first signal including at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0008] Secondly, an information transmission method is provided, including:

[0009] The second device acquires capability information sent by the first device, the capability information being used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels;

[0010] The second device sends a first message to the first device based on the capability information. The first message instructs the first device to send a first result from at least two target receiving units or to send a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal. The second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0011] Thirdly, an information transmission device is provided, applied to the first device, comprising:

[0012] A first transceiver module is used to send capability information to a second device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels.

[0013] The first acquisition module is used to acquire the first message sent by the second device;

[0014] The second transceiver module is configured to send a second message in response to the first message. The second message includes a first result or a second result from at least two target receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0015] Fourthly, an information transmission device is provided, applied to a second device, comprising:

[0016] The second acquisition module is used to acquire capability information sent by the first device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels.

[0017] The third transceiver module is configured to send a first message to the first device based on the capability information. The first message instructs the first device to send a first result from at least two target receiving units or to send a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0018] Fifthly, a terminal is provided, the terminal including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first or second aspect.

[0019] In a sixth aspect, a terminal is provided, including a processor and a communication interface, wherein the communication interface is used to send capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; acquiring a first message sent by the second device; and in response to the first message, sending a second message, the second message including a first result or a second result of at least two target receiving units, wherein the first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal;

[0020] Alternatively, the communication interface is used to acquire capability information sent by the first device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; according to the capability information, a first message is sent to the first device, the first message indicating that the first device sends a first result of at least two target receiving units or sends a second result, the at least two target receiving units being determined based on the at least one set of receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0021] In a seventh aspect, a network-side device is provided, the network-side device including a processor and a memory, the memory storing a program or instructions executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the method as described in the first or second aspect.

[0022] Eighthly, a network-side device is provided, including a processor and a communication interface, wherein the communication interface is used to send capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; acquiring a first message sent by the second device; and in response to the first message, sending a second message, the second message including a first result or a second result of at least two target receiving units, wherein the first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal;

[0023] Alternatively, the communication interface is used to acquire capability information sent by the first device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; according to the capability information, a first message is sent to the first device, the first message indicating that the first device sends a first result of at least two target receiving units or sends a second result, the at least two target receiving units being determined based on the at least one set of receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0024] Ninth aspect, an information transmission system is provided, comprising: a first device and a second device, wherein the first device is configured to perform the steps of the method as described in the first aspect, and the second device is configured to perform the steps of the method as described in the second aspect.

[0025] In a tenth aspect, a readable storage medium is provided, on which a program or instructions are stored, which, when executed by a processor, implement the steps of the method described in the first aspect, or implement the steps of the method described in the second aspect.

[0026] Eleventhly, a chip is provided, the chip including a processor and a communication interface, the communication interface being coupled to the processor, the processor being used to run programs or instructions to implement the method as described in the first aspect, or to implement the method as described in the second aspect.

[0027] In a twelfth aspect, a computer program / program product is provided, which is stored in a storage medium and is executed by at least one processor to implement the steps of the method as described in the first aspect, or to implement the steps of the method as described in the second aspect.

[0028] In this embodiment, a first device sends capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units; the first device acquires a first message sent by the second device; in response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first results corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first result or second result of at least two target receiving units in this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results. Attached Figure Description

[0029] Figure 1 This diagram illustrates the structure of a communication system to which embodiments of this application can be applied.

[0030] Figure 2 One of the flowcharts illustrating the information transmission method according to an embodiment of this application;

[0031] Figure 3 This diagram illustrates the SNR calculation for a one-dimensional graph.

[0032] Figure 4 A second flowchart illustrating the information transmission method according to an embodiment of this application;

[0033] Figure 5 One of the schematic diagrams of the information transmission device according to an embodiment of this application;

[0034] Figure 6 A second schematic diagram of the module of the information transmission device according to an embodiment of this application;

[0035] Figure 7 A structural block diagram illustrating a communication device according to an embodiment of this application;

[0036] Figure 8 A structural block diagram illustrating the terminal in an embodiment of this application;

[0037] Figure 9 This is one of the structural block diagrams of the network-side device according to an embodiment of this application;

[0038] Figure 10 This is a second structural block diagram illustrating an embodiment of the network-side device of this application. Detailed Implementation

[0039] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0040] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such terms can be used interchangeably where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first" and "second" are generally of the same class, not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0041] It is worth noting that the technologies described in this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but can also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), Single-carrier Frequency Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in this application are often used interchangeably, and the described technologies can be used with the systems and radio technologies mentioned above, as well as with other systems and radio technologies. The following description describes New Radio (NR) systems for illustrative purposes, and NR terminology is used in most of the following description; however, these technologies can also be applied to applications beyond NR systems, such as 6th generation (6G) radio systems. th Generation 6G communication system.

[0042] Figure 1This diagram illustrates a block diagram of a wireless communication system applicable to embodiments of this application. The wireless communication system includes a terminal 11 and a network-side device 12. Terminal 11 can be a mobile phone, tablet computer, laptop computer, personal digital assistant (PDA), handheld computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), augmented reality (AR) / virtual reality (VR) device, robot, wearable device, vehicle-mounted device (VUE), pedestrian terminal (PUE), smart home (home devices with wireless communication capabilities, such as refrigerators, televisions, washing machines, or furniture), game console, personal computer (PC), ATM, or self-service machine, etc. Wearable devices include: smartwatches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart chains, smart rings, smart necklaces, smart anklets, smart anklets, etc.), smart wristbands, smart clothing, etc. It should be noted that the specific type of terminal 11 is not limited in this embodiment. Network-side equipment 12 may include access network equipment or core network equipment. Access network equipment 12 may also be referred to as radio access network equipment, radio access network (RAN), radio access network function, or radio access network unit. Access network equipment 12 may include base stations, WLAN access points, or WiFi nodes, etc. Base stations may be referred to as Node B, evolved Node B (eNB), access point, base transceiver station (BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B node, home evolved B node, Transmitting Receiving Point (TRP), or any other suitable term in the field, as long as the same technical effect is achieved. The base station is not limited to specific technical terms. It should be noted that in this application embodiment, only a base station in an NR system is used as an example for description, and the specific type of base station is not limited.Core network equipment may include, but is not limited to, at least one of the following: core network node, core network function, Mobility Management Entity (MME), Access and Mobility Management Function (AMF), Session Management Function (SMF), User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function (EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Repository Function (NRF), Network Exposure Function (NEF), Local NEF (or L-NEF), Binding Support Function (BSF), and Application Function. Function (AF), etc. It should be noted that the embodiments of this application only use the core network equipment in the NR system as an example for introduction, and do not limit the specific type of core network equipment.

[0043] To enable those skilled in the art to better understand the embodiments of this application, the following description is provided.

[0044] Future mobile communication systems, such as B5G or 6G systems, will possess sensing capabilities in addition to communication capabilities. Sensing capabilities refer to the ability of one or more devices to sense the location, distance, and speed of target objects through the transmission and reception of wireless signals, or to detect, track, identify, and image target objects, events, or environments. With the deployment of small base stations with high-frequency, high-bandwidth capabilities such as millimeter waves and terahertz waves in 6G networks, the resolution of sensing will be significantly improved compared to centimeter waves, enabling 6G networks to provide more refined sensing services. Typical sensing functions and application scenarios are shown in Table 1.

[0045] Table 1

[0046]

[0047] Communication and sensing integration (referred to as communication and sensing integration) refers to the integrated design of communication and sensing functions within the same system through spectrum sharing and hardware sharing. While transmitting information, the system can sense information such as location, distance, and speed, and detect, track, and identify target objects or events. The communication system and the sensing system complement each other, thereby improving overall performance and bringing a better service experience.

[0048] The integration of communication and radar is a typical application of communication-sensing fusion. In the past, radar systems and communication systems were strictly separated due to different research objects and focuses, and in most scenarios, the two systems were studied separately. In fact, radar and communication systems are both typical methods of information transmission, acquisition, processing, and exchange, and they share many similarities in terms of working principles, system architecture, and frequency bands. The design of integrated communication and radar is highly feasible, mainly in the following aspects: First, both communication and sensing systems are based on electromagnetic wave theory, using the transmission and reception of electromagnetic waves to complete information acquisition and transmission; second, both communication and sensing systems have structures such as antennas, transmitters, receivers, and signal processors, resulting in significant overlap in hardware resources; with technological advancements, their operating frequency bands also increasingly overlap; furthermore, they share similarities in key technologies such as signal modulation and reception detection, and waveform design. The integration of communication and radar systems can bring many advantages, such as cost savings, size reduction, power consumption reduction, improved spectral efficiency, and reduced mutual interference, thereby improving the overall system performance.

[0049] Based on the different transmitting and receiving nodes of the sensing signal, there are six types of sensing links. It should be noted that the following description of each sensing link uses one transmitting node and one receiving node as an example. In actual systems, different sensing links can be selected according to different sensing requirements. Each sensing link can have one or more transmitting and receiving nodes, and an actual sensing system can include a variety of different sensing links.

[0050] 1) Base station self-transmitting and self-receiving sensing (base station echo sensing). In this method, the base station sends sensing signals and obtains sensing results by receiving the echoes of these signals.

[0051] 2) Inter-base station air interface sensing. At this time, base station 2 receives the sensing signal sent by base station 1 and obtains the sensing result.

[0052] 3) Uplink air interface sensing. At this time, the base station receives the sensing signal sent by the UE and obtains the sensing result.

[0053] 4) Downlink air interface sensing. At this time, the UE receives the sensing signal sent by the base station and obtains the sensing result.

[0054] 5) Terminal self-transmitting and self-receiving sensing (terminal echo sensing). In this case, the UE sends a sensing signal and obtains the sensing result by receiving the echo of the sensing signal.

[0055] 6) Sidelink sensing between terminals. For example, UE 2 receives the sensing signal sent by UE 1 and obtains the sensing result.

[0056] It should be noted that the above sensing methods all use one sensing signal transmitting node and one sensing signal receiving node as examples. In actual systems, one or more different sensing methods can be selected according to different sensing use cases and sensing requirements, and each sensing method can have one or more transmitting and receiving nodes. The sensing targets can be people and vehicles, and it is assumed that neither people nor vehicles carry or have signal transceiver equipment installed. The sensing targets in actual scenarios will be much more diverse.

[0057] The first and second devices in this application embodiment fall into the following five categories:

[0058] Scenario A: The first device is a terminal, and the second device is a base station;

[0059] Scenario B: The first device is a base station, and the second device is another base station;

[0060] Scenario C: The first device is a base station, and the second device is a core network element;

[0061] Scenario D: The first device is a terminal, and the second device is another terminal;

[0062] Case E: The first device is a terminal, and the second device is a core network element.

[0063] The information transmission method provided in this application will be described in detail below with reference to the accompanying drawings and through some embodiments and application scenarios.

[0064] like Figure 2 As shown in the figure, this application provides an information transmission method, including:

[0065] Step 201: The first device sends capability information to the second device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels.

[0066] Optionally, the above-mentioned set of receiving units is divided based on the consistency of the receiving channel in the inductive integration. For example, antenna 1 and antenna 2 form one set, and antenna 3 and antenna 4 form another set. Among them, antenna 1 and antenna 2 correspond to transceiver A, and antenna 3 and antenna 4 correspond to transceiver B.

[0067] Step 202: The first device obtains the first message sent by the second device.

[0068] Step 203: In response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring the first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units; the target operation being a division operation or a conjugate multiplication operation; the first signal including at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0069] Optionally, the at least two target receiving units are receiving units in the same set of receiving units.

[0070] Optionally, the target operation can also be an operation other than multiplication or conjugate multiplication;

[0071] Optionally, after receiving the first message, the first device measures the first signal to obtain the first result from at least two target receiving units. Optionally, the first signal is sent by the second device or by a third device other than the second device.

[0072] Optionally, the first signal is a sensing signal. The first device can support sensing services by receiving the first signal. For example, by receiving the sensing signal, it can obtain a sensing measurement result or a sensing result, which is a measurement result corresponding to the first measurement and / or the second measurement described below. The sensing measurement includes the first measurement and / or the second measurement described below.

[0073] The aforementioned first signal can be a signal that does not contain transmitted information, such as existing LTE / NR synchronization and reference signals, including synchronization signals and physical broadcast channel (PBCH block, SSB) signals, channel state information-reference signals (CSI-RS), demodulation reference signals (DMRS), sounding reference signals (SRS), positioning reference signals (PRS), phase tracking reference signals (PTRS), etc.; it can also be a dedicated signal commonly used by radar, such as continuous wave (CW), frequency modulated continuous wave (FMCW), and ultra-wideband Gaussian pulse, etc.; it can also be a newly designed dedicated signal with good correlation characteristics and low peak-to-average power ratio, or a newly designed integrated sensing signal that carries certain information and has good sensing performance. For example, the newly designed dedicated signal is formed by splicing / combining / superimposing at least one dedicated sensing signal / reference signal and at least one communication signal in the time domain and / or frequency domain.

[0074] Optionally, the first result is associated with a first measurement.

[0075] Optionally, the first measurement quantity (which may also be described as a first-level measurement quantity) in the embodiments of this application includes at least one of the following:

[0076] The result of the frequency domain channel response, that is, the result of the frequency domain channel response of the received object, can be obtained by channel estimation. In general, the result of the frequency domain channel response is in complex form.

[0077] The amplitude of the frequency domain channel response, that is, the amplitude of the frequency domain channel response of the receiving object;

[0078] The phase of the frequency domain channel response, that is, the phase of the frequency domain channel response of the received object;

[0079] The I-channel data of the frequency domain channel response, i.e., the I-channel data of the frequency domain channel response of the received object;

[0080] The Q-channel data of the frequency domain channel response, i.e., the Q-channel data of the frequency domain channel response of the received object;

[0081] The result of the operation on the I-channel data and the Q-channel data is the result of the operation on the I-channel data and the Q-channel data of the frequency domain channel response of the receiving object.

[0082] The aforementioned receiving objects include received signals or receiving channels.

[0083] Optionally, the aforementioned operations may include addition, subtraction, multiplication, division, matrix addition, subtraction, multiplication, matrix transpose, trigonometric operations, square root operations, and exponentiation operations, as well as threshold detection results and maximum / minimum value extraction results of the above operations; the operations may also include Fast Fourier Transform (FFT) / Inverse Fast Fourier Transform (IFFT), Discrete Fourier Transform (DFT) / Inverse Discrete Fourier Transform (IDFT), 2D-FFT, 3D-FFT, matched filtering, autocorrelation operations, wavelet transform, and digital filtering, as well as threshold detection results and maximum / minimum value extraction results of the above operations.

[0084] For example, the result of the operation on I-channel data and Q-channel data can be determined by I×cos(theta)+Q×sin(theta), where theta is a certain angle value, I represents I-channel data, and Q represents Q-channel data.

[0085] Optionally, the second result is obtained by dividing or multiplying the two first results. For example, it could be the frequency domain channel response (e.g., one or more subcarriers, RE, PRB, BWP, carrier, etc.) of a frequency resource (e.g., one or more subcarriers, RE, PRB, BWP, carrier, etc.) of a receiving antenna / receiving antenna port / receiving channel obtained over a period of time (e.g., 100 seconds) with a sampling period (e.g., 20ms sampling period); the frequency domain channel response estimated by the receiving device for the received time domain signal using the least squares method or LMMSE method; or the information on the time-varying amplitude and phase of the frequency domain channel response of one subcarrier of two receiving antennas obtained from actual CSI-RS testing of the 5G system. Then, the frequency domain channel response (e.g., one or more subcarriers, RE, PRB, BWP, carrier, etc.) of the two receiving antennas / receiving antenna ports / receiving channels is divided or multiplied by its conjugate.

[0086] In this embodiment, a first device sends capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units; the first device acquires a first message sent by the second device; in response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first results corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first result or second result of at least two target receiving units in this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0087] Optionally, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics, for example, at least two receiving antennas in one set of receiving units are both +45 degree polarized, and at least two receiving antennas in another set of receiving units are both -45 degree polarized; or, at least two receiving antennas in each set of receiving units have the same feeder length, for example, at least two receiving antennas in one set of receiving units have a feeder length of less than 1 cm, and at least two receiving antennas in another set of receiving units have a feeder length of 1 cm to 1.5 cm.

[0088] In this embodiment, the first device sends capability information to the second device. This capability information represents multiple receiving antennas or receiving channels (receiving unit sets) corresponding to the same transceiver or analog-to-digital converter (ADC), or it represents multiple receiving antennas (receiving unit sets) with consistent polarization characteristics or feeder lengths. Therefore, obtaining a first or second result based on two receiving units within the aforementioned receiving unit set can eliminate random amplitude or phase variations in CSI. Since the first measurement results of at least two receiving antennas or at least two receiving channels within the same receiving unit set exhibit consistent patterns of random amplitude or phase variations in CSI, the influence of random amplitude or phase variations in CSI can be offset by performing division or conjugate multiplication on the first measurement results of two receiving antennas or two receiving channels within the same receiving unit set.

[0089] Optionally, the method in this application embodiment further includes:

[0090] The first device acquires at least one of the parameters of the first signal and the first measurement quantity;

[0091] Wherein, the first result is associated with the first measurement quantity, that is, the first measurement quantity is the measurement quantity that the first device needs to measure based on the first signal.

[0092] Optionally, in this embodiment of the application, the first device may obtain at least one of the parameters and the first measurement quantity of the first signal through the aforementioned first message, or it may obtain at least one of the parameters and the first measurement quantity of the first signal through other messages. Optionally, the parameters (or parameter configuration information) of the first signal include at least one of the following:

[0093] The first item: waveform type, such as Orthogonal Frequency Division Multiplexing (OFDM), Single-carrier Frequency-Division Multiple Access (SC-FDMA), Orthogonal Time-Frequency Space (OTFS), Frequency Modulated Continuous Wave (FMCW), pulse signal, etc.

[0094] Second item: Subcarrier spacing: For example, the subcarrier spacing of an OFDM system is 30KHz;

[0095] Third item: Guard interval: The time interval from the end of signal transmission to the moment the latest echo signal of that signal is received; this parameter is proportional to the maximum sensing distance; for example, it can be expressed as 2d. max / c is calculated to obtain d max It refers to the maximum sensing distance (related to sensing requirements), for example, for a self-generated and self-received target signal, d max It represents the maximum distance from the target signal transceiver point to the signal transmitter point; in some cases, the OFDM signal cyclic prefix CP can serve as the minimum guard interval.

[0096] Fourth item: Bandwidth: This parameter is inversely proportional to the distance resolution and can be obtained by c / (2Δd), where Δd is the distance resolution (related to perception requirements); and c is the speed of light.

[0097] Fifth item: Burst duration: This parameter is inversely proportional to the rate resolution (related to sensing requirements). This parameter represents the time span of the target signal and is mainly used to calculate the Doppler frequency offset; this parameter can be obtained by c / (2f c Δv) is calculated; where Δv is the velocity resolution; f c It is the carrier frequency of the target signal;

[0098] Item 6: Time Domain Interval: This parameter can be obtained by c / (2f c v range ) is calculated; where, v range It is the maximum speed minus the minimum speed (related to sensing requirements); this parameter is the time interval between two adjacent target signals;

[0099] Item 7: Transmitted signal power, for example, taking a value every 2dBm from -20dBm to 23dBm;

[0100] Item 8: Signal format, such as Sounding Reference Signal (SRS), Demodulation Reference Signal (DMRS), Positioning Reference Signal (PRS), or other predefined signals, as well as related sequence format information;

[0101] Item 9: Signal direction; for example, the direction of the target signal or beam information;

[0102] Item 10: Time resources, such as the time slot index or symbol index of the time slot where the target signal is located; among them, time resources are divided into two types: one is one-time time resources, such as one symbol transmitting an omnidirectional target signal; the other is non-one-time time resources, such as multiple sets of periodic time resources or discontinuous time resources (which may include start and end times), each set of periodic time resources transmitting the target signal in the same direction, and the beam direction on different sets of periodic time resources is different;

[0103] Item 11: Frequency resources, including the center frequency of the target signal, bandwidth, RB or subcarrier, Point A, starting bandwidth location, etc.

[0104] Item 12: Quasi-co-location (QCL) relationship, for example, the target signal includes multiple resources, each resource is associated with an SSB QCL, and the QCL includes Type A, B, C or D;

[0105] Item 13: Antenna configuration information of sensing nodes (base stations or UEs);

[0106] Optionally, the antenna configuration information of the sensing node (base station or UE) includes at least one of the following:

[0107] Antenna element ID or antenna port ID used to transmit and / or receive target signals;

[0108] Panel ID + Element ID used to send and / or receive target signals;

[0109] The position information of the antenna elements relative to a local reference point on the antenna array used to transmit and / or receive target signals (can be in Cartesian coordinates (x, y, z) or spherical coordinates). express);

[0110] The panel used to transmit and / or receive target signals has position information relative to a local reference point on the antenna array (which can be in Cartesian coordinates (x, y, z) or spherical coordinates). (represented), and the position information of the antenna elements within these selected panels used to transmit target signals relative to a unified reference point of the panel (e.g., the center point of the panel) (which can be expressed in Cartesian coordinates (x, y, z) or spherical coordinates). express);

[0111] Item 14: Antenna element bitmap information. For example: this bitmap uses "1" to indicate that the element is selected for transmitting and / or receiving target signals, and "0" to indicate that the element is not selected (or vice versa);

[0112] Item 15: Bitmap information for the array panel. For example, this bitmap uses "1" to indicate that the panel is selected for sending and / or receiving target signals, and "0" to indicate that the array element is not selected (or vice versa). It also includes the bitmap information of the array elements within these selected panels;

[0113] Item 16: Threshold information, which is a threshold value used to determine whether the obtained sensing measurement value of any one of the source node, the first device, and the candidate node satisfies the first condition. The threshold value may be different for different candidate nodes and / or candidate tags; for any candidate node and / or candidate tag, there may be more than one sensing measurement value and its corresponding threshold value; the first condition is: the candidate node / candidate tag corresponding to the obtained sensing measurement value can be used as the target node / target tag.

[0114] Optionally, before the first device sends the second message, the method further includes:

[0115] The first results corresponding to the two target receiving units are subjected to target arithmetic processing to obtain a first processing result, and the first processing result is used as the second result.

[0116] And / or, perform target operation processing on the first result corresponding to any two target receiving units among the N target receiving units to obtain at least two second processing results; select the second processing result that satisfies the first condition from the at least two second processing results as the second result, where N≥3 and N is a positive integer.

[0117] Optionally, the first condition includes: the perception performance corresponding to the second processing result meets a preset condition.

[0118] In this embodiment of the application, the second processing result whose perception performance meets the preset conditions is selected from at least two second processing result pools as the second result, which can make the perception result obtained based on the second result more accurate or meet the perception requirements.

[0119] Optionally, the sensing performance includes at least one of the following:

[0120] A101, Power value of the signal component associated with the perceived target;

[0121] For example, it could be the power value of the sensing path.

[0122] It should be noted that the power value of the signal component associated with the sensing target is the power of the signal component in the received first signal that is significantly affected by the sensing target, and can be at least one of the following:

[0123] A1011. The power value calculated using the amplitude corresponding to the sample point with the largest amplitude in the frequency domain channel response of the received first signal as the target amplitude, or the power value calculated using the amplitudes corresponding to multiple sample points with the largest amplitude as the target amplitude; or the power value calculated using the amplitude of the sample point corresponding to a certain specified subcarrier or physical resource block (PRB) as the target amplitude, or the power value calculated using the amplitudes of the sample points corresponding to multiple specified subcarriers or PRBs as the target amplitude.

[0124] A1012. The power value calculated using the amplitude corresponding to the sample point with the largest amplitude in the inverse Fourier transform (IFFT) result (time delay domain) of the frequency domain channel response of the received first signal as the target amplitude, or the power value calculated using the amplitudes corresponding to multiple sample points with the largest amplitude as the target amplitude.

[0125] Alternatively, the power value can be calculated using the amplitude corresponding to the sample point with the largest amplitude within a specific time delay range as the target amplitude, or the power value can be calculated using the amplitudes corresponding to multiple sample points with the largest amplitudes as the target amplitude.

[0126] A1013. The power value calculated using the amplitude corresponding to the sample point with the largest amplitude in the Fourier transform (FFT) result (Doppler domain) of the time-domain channel response of the received first signal as the target amplitude, or the power value calculated using the amplitudes corresponding to multiple sample points with the largest amplitude as the target amplitude.

[0127] Alternatively, the power value can be calculated using the amplitude corresponding to the sample point with the largest amplitude within a specific Doppler range as the target amplitude, or the power value can be calculated using the amplitudes corresponding to multiple sample points with the largest amplitudes as the target amplitude.

[0128] A1014. The power value is calculated using the two-dimensional Fourier transform result of the channel response of the received first signal, i.e., the amplitude corresponding to the sample point with the largest amplitude in the delay-Doppler domain result as the target amplitude, or the power value is calculated using the amplitudes corresponding to multiple sample points with the largest amplitude as the target amplitude.

[0129] Alternatively, the power value can be calculated using the amplitude corresponding to the sample point with the largest amplitude within a specific time delay-Doppler range as the target amplitude, or the power value can be calculated using the amplitudes corresponding to multiple sample points with the largest amplitudes as the target amplitude.

[0130] It should be noted that the maximum amplitude can also be an amplitude exceeding a specific threshold value. The specific threshold value can be indicated by the network-side device or calculated by the terminal based on noise and / or interference power.

[0131] The specific delay / Doppler range is related to the sensing requirements and can be indicated by the network-side equipment or obtained by the terminal based on the sensing requirements.

[0132] Taking radar detection as an example, the power value of the signal component associated with the sensed target is the echo power, and the method for obtaining the echo signal power can be at least one of the following options:

[0133] B11. A constant false alarm rate (CFAR) detection method is used based on the one-dimensional time delay map obtained from fast time-dimensional FFT processing of the echo signal. The sample point with the largest amplitude exceeding the CFAR threshold is taken as the target sample point, and its amplitude is taken as the target signal amplitude. Figure 3 As shown;

[0134] B12. CFAR is performed on the Doppler one-dimensional map obtained from slow-time FFT processing of the echo signal. The sample point with the largest amplitude exceeding the CFAR threshold is taken as the target sample point, and its amplitude is taken as the target signal amplitude. Figure 3 As shown;

[0135] B13. Based on the time delay-Doppler two-dimensional map obtained by 2D-FFT processing of the echo signal, CFAR is performed, with the maximum amplitude sample point of CFAR exceeding the threshold as the target sample point and its amplitude as the target signal amplitude.

[0136] B14. Perform CFAR based on the time delay-Doppler-angle three-dimensional map obtained from the 3D-FFT processing of the echo signal, and take the sample point with the maximum amplitude of CFAR crossing the threshold as the target sample point and its amplitude as the target signal amplitude.

[0137] It should be noted that, in addition to using the maximum amplitude sample point of CFAR crossing the threshold as the target sample point, the target signal amplitude can also be determined by using the average of the maximum amplitude sample point of CFAR crossing the threshold and its nearest several threshold-crossing sample points as the target signal amplitude.

[0138] A102, Perceived Signal-to-Noise Ratio (SNR);

[0139] For example, the perceived SNR could be the ratio of the power of the signal component associated with the perceived target to the noise power.

[0140] A103, Sensing signal to interference plus noise ratio (SINR);

[0141] For example, the perceived SINR could be the ratio of the power of the signal component associated with the perceived target to the sum of the power of noise and interference.

[0142] Specifically, the method for obtaining the SNR / SINR can be:

[0143] B21. Based on the one-dimensional time delay map obtained by fast time dimension FFT processing of echo signal, constant false alarm rate (CFAR) is performed. The sample point with the largest amplitude of CFAR exceeding the threshold is taken as the target sample point, and its amplitude is taken as the target signal amplitude. All sample points in the one-dimensional map other than ±ε sample points away from the target sample point are taken as interference / noise sample points, and their average interference / amplitude is calculated as the interference / noise signal amplitude. Finally, SNR / SINR is calculated based on the target signal amplitude and the interference / noise signal amplitude.

[0144] B22. CFAR is performed on the Doppler one-dimensional map obtained by slow-time FFT processing of the echo signal. The sample point with the largest amplitude that crosses the threshold in CFAR is taken as the target sample point, and its amplitude is taken as the target signal amplitude. All sample points in the one-dimensional map other than ±η sample points away from the target sample point are taken as interference / noise sample points, and their average amplitude is calculated as the interference / noise signal amplitude. Finally, SNR / SINR is calculated based on the target signal amplitude and the interference / noise signal amplitude.

[0145] B23. Based on the time-delay-Doppler two-dimensional map obtained by 2D-FFT processing of the echo signal, perform CFAR. Take the sample point with the largest amplitude that crosses the threshold in CFAR as the target sample point and its amplitude as the target signal amplitude. Take all sample points in the two-dimensional map that are ±ε (fast time dimension) and ±η (slow time dimension) sample points away from the target sample point as interference / noise sample points and calculate their average amplitude as the interference / noise signal amplitude. Finally, calculate SNR / SINR based on the target signal amplitude and the interference / noise signal amplitude.

[0146] B24. Based on the time delay-Doppler-angle three-dimensional map obtained by 3D-FFT processing of echo signal, perform CFAR. Take the sample point with the largest amplitude that crosses the threshold in CFAR as the target sample point and its amplitude as the target signal amplitude. Take all sample points in the three-dimensional map that are outside the target sample point by ±ε (fast time dimension), ±η (slow time dimension), and ±δ (angle dimension) sample points as interference / noise sample points and calculate their average amplitude as the interference / noise signal amplitude. Finally, calculate SNR / SINR based on the target signal amplitude and the interference / noise signal amplitude.

[0147] It should be noted that, in addition to using the maximum amplitude sample point of CFAR crossing the threshold as the target sample point, the target signal amplitude can also be determined by using the average of the maximum amplitude sample point of CFAR crossing the threshold and its nearest several threshold-crossing sample points as the target signal amplitude.

[0148] It should be noted that the determination of interference / noise sample points can also be based on further screening of the interference / noise sample points determined above. The screening method is as follows: For a one-dimensional time delay map, remove several sample points near the time delay of 0, and use the remaining interference / noise sample points as noise sample points; for a one-dimensional Doppler map, remove several sample points near the Doppler value of 0, and use the remaining interference / noise sample points as interference / noise sample points; for a two-dimensional time delay-Doppler map, remove the interference / noise sample points in the strip-shaped range formed by several points near the time delay of 0 and the entire Doppler range, and use the remaining noise sample points as interference / noise sample points; for a three-dimensional time delay-Doppler-angle map, remove the interference / noise sample points in the slice-shaped range formed by several points near the time dimension of 0, the entire Doppler range, and the entire angle range, and use the remaining interference / noise sample points as interference / noise sample points.

[0149] A104. Perceiving whether the target exists;

[0150] It may include at least one of the following:

[0151] Does the target exist within the speed or Doppler preset range?

[0152] Does a target exist within a preset distance or time delay range?

[0153] A105. The number of targets whose existence is perceived;

[0154] It may include at least one of the following:

[0155] The number of targets that can be sensed within the velocity or Doppler preset range;

[0156] The number of targets that exist within a preset distance or time delay range.

[0157] It should be noted that A104 and A105 mentioned above can be notified to the terminal by other devices (e.g., other terminals, access network devices or core network devices) according to sensing requirements.

[0158] It should be noted that the method for determining whether a sensing target exists can be as follows: for example, whether there are sample points in the time delay / Doppler one-dimensional or two-dimensional image with amplitudes exceeding a certain threshold value. If they exist, the sensing target is considered to have been detected. The number of sample points in the time delay / Doppler one-dimensional or two-dimensional image with amplitudes exceeding a certain threshold value is considered to be the number of sensing targets.

[0159] A106, Radar Cross Section (RCS) information of the perceived target;

[0160] It should be noted that the RCS information can be the RCS information of a single sensing target or the RCS information of multiple sensing targets.

[0161] A107. Perceive the spectral information of the target;

[0162] It should be noted that the spectral information may include at least one of the following: time delay power spectrum, Doppler power spectrum, time delay / distance-Doppler / velocity spectrum, angular power spectrum, time delay / distance-angle spectrum, Doppler / velocity-angle spectrum, and time delay / distance-Doppler / velocity-angle spectrum.

[0163] A108. The time delay of at least one perceived target;

[0164] A109, the distance to at least one perceived target;

[0165] A110, Doppler of at least one sensing target;

[0166] A111, the velocity of at least one perceived target;

[0167] A112, At least one angle information of the perceived target.

[0168] Optionally, the sensing performance satisfies at least one of the following preset conditions:

[0169] The power value of the signal component associated with the sensed target satisfies a first threshold or the power value of the signal component associated with the sensed target is at its maximum; for example, the power value of the signal component associated with the sensed target corresponding to the result of division or conjugate multiplication (or other operation results) of the first sensed measurement results on two receiving antennas / receiving channels satisfies the first threshold.

[0170] The perceived SNR meets the second threshold or the perceived SNR is at its maximum.

[0171] The perceived SINR meets the third threshold or the perceived SINR is at its maximum.

[0172] At least Y sensing targets were detected;

[0173] Based on the bitmap corresponding to the detected target and the preset bitmap configured by the network-side device. Figure 1 To;

[0174] The radar cross-section (RCS) of the sensed target satisfies the second condition or the RCS is maximized; for example, the radar cross-section (RCS) of the sensed target satisfies the second condition, optionally, the second condition is that the RCS reaches X square meters, where X is a positive real number.

[0175] The spectral information of the perceived target satisfies the third condition; for example, the spectral information of the perceived target satisfies the third condition: for example, the range-rate spectrum of the perceived target satisfies the third condition, in which case the third condition is that the perceived target can be distinguished on the range-rate spectrum (the amplitude of a point or region in the range-rate spectrum reaches a preset value or the maximum amplitude); or, the time delay-Doppler spectrum of the perceived target satisfies the third condition, in which case the third condition is that the perceived target can be distinguished on the time delay-Doppler spectrum (the amplitude of a point or region in the time delay-Doppler spectrum reaches a preset value or the maximum amplitude).

[0176] The first parameter of the perceived target satisfies the fourth condition, and the first parameter includes at least one of the following: time delay, distance, Doppler, velocity, and angle information; for example, the time delay of the perceived target satisfies the fourth condition (e.g., the time delay satisfies an interval value); for another example, the distance of the perceived target satisfies the fourth condition (e.g., the distance satisfies an interval value); for another example, the Doppler of the perceived target satisfies the fourth condition (e.g., the Doppler satisfies an interval value); for another example, the velocity of the perceived target satisfies the fourth condition (e.g., the velocity satisfies an interval value); for another example, the angle information of the perceived target satisfies the fourth condition (e.g., the angle information satisfies an interval value).

[0177] Where Y is a positive integer.

[0178] Optionally, the first device sends capability information to the second device, including:

[0179] The first device receives a third message sent by the second device, the third message being used to instruct the first device to report the capability information;

[0180] The first device sends the capability information based on the third message.

[0181] In this embodiment of the application, the aforementioned third message may specifically be a capability query indication signaling. The second device sends the capability query indication signaling to the first device, and the first device sends the aforementioned capability information to the second device according to the capability query indication signaling.

[0182] Optionally, the second message further includes at least one of the following:

[0183] A third result corresponding to the second measurement quantity is obtained based on the second result;

[0184] The tag information corresponding to the first result.

[0185] The tag information corresponding to the second result;

[0186] The tag information corresponding to the third result.

[0187] Here, the first device sends the tag information corresponding to the first result, second result, or third result to the second device, so that the second device can know the tag information corresponding to the first result, second result, or third result.

[0188] Optionally, the second measurement includes at least one of the following:

[0189] The time delay of target perception;

[0190] Doppler for sensing targets;

[0191] Perceive the angle information of the target;

[0192] The strength of the perceived signal;

[0193] Perceive the distance to the target;

[0194] Perceive the speed of the target;

[0195] Perceive the orientation of the target;

[0196] Perceive the spatial location of the target;

[0197] Sensing the acceleration of the target;

[0198] To detect whether the target exists;

[0199] Perceive at least one of the following: the target's trajectory, movement, facial expression, vital signs, number, and imaging results;

[0200] Weather information;

[0201] Air quality;

[0202] Perceive at least one of the target's shape, material, and composition.

[0203] In this embodiment of the application, the second measurement quantity can be classified as follows:

[0204] The second-level measurement quantity includes at least one of the following: the time delay of the sensed target, the Doppler effect of the sensed target, the angle of the sensed target, and the intensity of the sensed signal; this second-level measurement quantity can be regarded as the basic measurement quantity.

[0205] The third-level measurement quantity includes at least one of the following: the distance of the perceived target, the velocity of the perceived target, the orientation of the perceived target, the spatial position of the perceived target, and the acceleration of the perceived target; the third-level measurement quantity can be regarded as the basic attribute / state of the perceived target.

[0206] The fourth level of measurement (advanced attributes / states) includes: the presence of the perceived target, the trajectory of the perceived target, its actions, expressions, vital signs, quantity, imaging results, weather, air quality, shape, material, and composition.

[0207] Optionally, the label information includes at least one of the following:

[0208] Sensing signal identification information;

[0209] Sensing measurement configuration identification information;

[0210] Perceive business information (e.g., perceive business ID);

[0211] Data subscription ID information;

[0212] Measurement information for applications such as communication, sensing, or synesthesia;

[0213] Time information;

[0214] Sensing node information, such as UE ID, node location, and device orientation;

[0215] Sensing link information, such as sensing link sequence number, transceiver node identifier, or, for example, identifier of receiving antenna or receiving channel. If it is a sensing measurement of a single receiving antenna or receiving channel, the identifier is the identifier of that receiving antenna or receiving channel; if it is the result of division or conjugate multiplication of two receiving antennas or receiving channels, the identifier is the identifier of both receiving antennas or receiving channels, as well as the identifier of the division or conjugate multiplication.

[0216] Measurement description information, such as amplitude value, phase value, and complex value combining amplitude and phase; resource type, such as time-domain measurement results and frequency-domain resource measurement results;

[0217] Measurement metrics, such as SNR and perceived SNR.

[0218] In one embodiment of this application, the information transmission method specifically includes the following steps:

[0219] Step 1: The first device receives the third message sent by the second device, which is a capability information query instruction.

[0220] Step 1 is optional.

[0221] Step 2: The first device sends the aforementioned capability information to the second device.

[0222] This capability information represents a set of receiving units that share the same transceiver or analog-to-digital converter, or it represents a set of receiving antennas with consistent polarization characteristics or consistent feeder lengths.

[0223] Step 3: The first device obtains the first message sent by the second device based on the capability information.

[0224] The first message includes at least one of the following:

[0225] Parameters of the first signal;

[0226] The first measurement quantity is a sensing measurement quantity that the first device needs to measure based on the first signal;

[0227] The first instruction information is used to instruct the first device to obtain a first result or a second result based on channel consistency.

[0228] It should be noted that the order of steps 1 and 3 above can be interchanged.

[0229] Step 41: After receiving the first message, the first device measures the first signal, obtains the first result corresponding to the first measurement quantity on at least two target receiving units, and sends the first result through the second message; or, Step 42: After receiving the first message, the first device measures the first signal, obtains the first result corresponding to the first measurement quantity on at least two target receiving units, performs division or conjugate multiplication on the first result corresponding to the at least two target receiving units to obtain the second result, and then sends the second result through the second message, wherein the at least two target receiving units are determined according to the at least one set of receiving units.

[0230] In this embodiment, a first device sends capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units; the first device acquires a first message sent by the second device; in response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first results corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first result or second result of at least two target receiving units in this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0231] like Figure 4 As shown in the embodiments of this application, an information transmission method is also provided, including:

[0232] Step 401: The second device obtains capability information sent by the first device, the capability information being used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels;

[0233] Step 402: The second device sends a first message to the first device according to the capability information. The first message instructs the first device to send a first result from at least two target receiving units or to send a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal. The second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0234] Optionally, the at least two target receiving units are receiving units in the same set of receiving units.

[0235] In this embodiment, a second device acquires capability information sent by a first device. Based on this capability information, the second device sends a first message to the first device. This first message instructs the first device to send either a first result from at least two target receiving units or a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first results corresponding to the at least two target receiving units. The receiving units in the aforementioned set can be understood as receiving units corresponding to the same capability. Based on the first or second result of at least two target receiving units within this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0236] Optionally, the method in this application embodiment further includes:

[0237] The second device acquires a second message sent by the first device, the second message including a second result or the first result.

[0238] Optionally, after the second device obtains the second message sent by the first device, the method further includes:

[0239] The first result corresponding to the at least two target receiving units is subjected to target operation processing to obtain the second result.

[0240] Here, after the second device obtains the first result corresponding to at least two target receiving units, it performs target operation processing on the first result corresponding to at least two target receiving units to obtain the second result, so that the second device can obtain the perception result based on the second result, or send the second result to other devices (third devices) so that other devices can obtain the perception result based on the second device.

[0241] Optionally, the method further includes:

[0242] The second device obtains the perception result based on the second result.

[0243] Optionally, after the second device obtains the second message sent by the first device, the method further includes:

[0244] The second message is sent to the third device.

[0245] Here, a second message is sent to a third device so that the third device can obtain the perception result based on the second message.

[0246] Optionally, the second device obtains a sensing result based on the second result, including:

[0247] Based on the second result, obtain the channel frequency domain response corresponding to at least two target receiving units;

[0248] The breathing frequency is obtained based on the channel frequency domain response.

[0249] In this embodiment, the channel frequency domain response H on two target receiving units (such as receiving antennas) will produce a mirror component (i.e., symmetrical positive and negative frequency domains) after conjugate multiplication, while the quotient will not have this problem. Regarding the symmetry of the positive and negative frequency domains, only one can be reported. This can be randomly selected or determined based on prior information. The prior information can be the target motion direction (the direction information can determine the positive and negative Doppler values), or the sensing type (e.g., respiratory monitoring, in which case only a positive Doppler value needs to be reported). The prior information can be notified by the base station.

[0250] Alternatively, before performing the conjugate multiplication, a preprocessing step can be taken to ensure that the true Doppler value is greater than the mirror image value. This can be done in two ways:

[0251] Add a constant to H that is not conjugate, and subtract a constant from H that is conjugate;

[0252] Amplify the non-conjugate H by multiplying it by a factor greater than 1, and shrink the conjugate H by multiplying it by a factor less than 1.

[0253] Optionally, the method in this application embodiment further includes:

[0254] The second device transmits at least one of the parameters of the first signal and the first measurement quantity;

[0255] The first result is associated with the first measurement.

[0256] In this embodiment, the second device can send at least one of the parameters of the first signal and the first measurement quantity via the first message, or via other messages. In this embodiment, the first device sends capability information to the second device, indicating that the first device includes at least one set of receiving units; the first device receives a first message sent by the second device, indicating that the first device sends a first result from at least two target receiving units or sends a second result, wherein the at least two target receiving units are receiving units in the same set of receiving units; the first device sends a second message, which includes the second result or the first result; the second device obtains a sensing result based on the second message, or the second device sends the second message to other devices (such as a third device) to enable other devices to obtain the sensing result. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first or second result of at least two target receiving units in that receiving unit, random amplitude or phase variations in CSI can be effectively eliminated, thereby enabling the second device to obtain sensing results that other devices can recover with high accuracy.

[0257] The information transmission method provided in this application can be executed by an information transmission device. This application uses an information transmission device executing the information transmission method as an example to illustrate the information transmission device provided in this application.

[0258] like Figure 5 As shown, this application embodiment also provides an information transmission device 500, applied to a first device, comprising:

[0259] The first transceiver module 501 is used to send capability information to the second device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels.

[0260] The first acquisition module 502 is used to acquire the first message sent by the second device;

[0261] The second transceiver module 503 is configured to send a second message in response to the first message. The second message includes a first result or a second result from at least two target receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0262] Optionally, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

[0263] Optionally, the apparatus in this application embodiment further includes:

[0264] The third acquisition module is used to acquire at least one of the parameters of the first signal and the first measurement quantity;

[0265] The first result is associated with the first measurement.

[0266] Optionally, the apparatus in this application embodiment further includes:

[0267] The fourth acquisition module is used to perform target operation processing on the first results corresponding to the two target receiving units before the second transceiver module sends the second message, to obtain a first processing result, and to use the first processing result as the second result; and / or to perform target operation processing on the first results corresponding to any two target receiving units among the N target receiving units, to obtain at least two second processing results; and to select the second processing result that satisfies the first condition from the at least two second processing results as the second result, where N≥3 and N is a positive integer.

[0268] Optionally, the first condition includes: the perception performance corresponding to the second processing result meets a preset condition;

[0269] The sensing performance includes at least one of the following:

[0270] The power value of the signal component associated with the sensed target;

[0271] Sensing signal-to-noise ratio (SNR);

[0272] Sensing signal plus noise ratio (SINR);

[0273] To detect whether the target exists;

[0274] The number of targets that are perceived to exist;

[0275] Radar cross-section (RCS) information of the target;

[0276] Perceive the spectral information of the target;

[0277] The time delay of at least one perceived target;

[0278] The distance to at least one perceived target;

[0279] Doppler of at least one sensing target;

[0280] The speed of at least one perceived target;

[0281] At least one angle information of the perceived target;

[0282] Among them, the perception performance meets at least one of the following preset conditions:

[0283] The power value of the signal component associated with the sensed target satisfies the first threshold or the power value of the signal component associated with the sensed target is at its maximum.

[0284] The perceived SNR meets the second threshold or the perceived SNR is at its maximum.

[0285] The perceived SINR meets the third threshold or the perceived SINR is at its maximum.

[0286] At least Y sensing targets were detected;

[0287] Based on the bitmap corresponding to the detected target and the preset bitmap configured by the network-side device. Figure 1 To;

[0288] The radar cross-section (RCS) of the perceived target satisfies the second condition or is at its maximum.

[0289] The spectral information of the perceived target satisfies the third condition;

[0290] The first parameter of the perceived target satisfies the fourth condition, and the first parameter includes at least one of the following: time delay, distance, Doppler, velocity, and angle information;

[0291] Where Y is a positive integer.

[0292] Optionally, the first transceiver module includes:

[0293] The first receiving submodule is used to obtain a third message sent by the second device, the third message being used to instruct the first device to report the capability information;

[0294] The first sending submodule is used to send the capability information according to the third message.

[0295] Optionally, the second message further includes at least one of the following:

[0296] A third result corresponding to the second measurement quantity is obtained based on the second result;

[0297] The tag information corresponding to the first result.

[0298] The tag information corresponding to the second result;

[0299] The tag information corresponding to the third result.

[0300] Optionally, the second measurement includes at least one of the following:

[0301] The time delay of target perception;

[0302] Doppler for sensing targets;

[0303] Perceive the angle information of the target;

[0304] The strength of the perceived signal;

[0305] Perceive the distance to the target;

[0306] Perceive the speed of the target;

[0307] Perceive the orientation of the target;

[0308] Perceive the spatial location of the target;

[0309] Sensing the acceleration of the target;

[0310] To detect whether the target exists;

[0311] Perceive at least one of the following: the target's trajectory, movement, facial expression, vital signs, number, and imaging results; weather information;

[0312] Air quality;

[0313] Perceive at least one of the target's shape, material, and composition.

[0314] Optionally, the first measurement includes at least one of the following:

[0315] The result of the frequency domain channel response;

[0316] The amplitude of the frequency domain channel response;

[0317] The phase of the frequency domain channel response;

[0318] I-channel data of the frequency domain channel response;

[0319] Q-channel data of the frequency domain channel response;

[0320] The calculation results of the I-channel data and the Q-channel data.

[0321] Optionally, the label information includes at least one of the following:

[0322] Sensing signal identification information;

[0323] Sensing measurement configuration identification information;

[0324] Perceive business information;

[0325] Data subscription ID information;

[0326] Information on the purpose of the measurement;

[0327] Time information;

[0328] Sensing node information;

[0329] Sensing link information;

[0330] Measurement description information;

[0331] Measurement index information.

[0332] Optionally, the parameters of the first signal include at least one of the following:

[0333] Waveform type;

[0334] Subcarrier spacing;

[0335] Protection interval;

[0336] bandwidth;

[0337] Burst duration;

[0338] Time domain interval;

[0339] Transmitted signal power;

[0340] Signal format;

[0341] Signal direction;

[0342] Time resources;

[0343] Frequency resources;

[0344] Quasi-co-addressable QCL relationship;

[0345] Antenna configuration information of sensing nodes.

[0346] In this embodiment, a first device sends capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units; the first device acquires a first message sent by the second device; in response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first results corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first result or second result of at least two target receiving units in this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0347] like Figure 6 As shown, this application embodiment also provides an information transmission device 600, applied to a second device, comprising:

[0348] The second acquisition module 601 is used to acquire capability information sent by the first device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels.

[0349] The third transceiver module 602 is configured to send a first message to the first device according to the capability information. The first message is configured to instruct the first device to send a first result or a second result from at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal. The second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0350] Optionally, the apparatus in this application embodiment further includes:

[0351] The fifth acquisition module is used to acquire a second message sent by the first device, wherein the second message includes a second result or the first result.

[0352] Optionally, the apparatus in this application embodiment further includes:

[0353] The first processing module is used to perform target operation processing on the first result corresponding to the at least two target receiving units after the fifth acquisition module acquires the second message sent by the first device, so as to obtain the second result.

[0354] Optionally, the apparatus in this application embodiment further includes:

[0355] The sixth acquisition module is used to acquire the perception result based on the second result.

[0356] Optionally, the apparatus in this application embodiment further includes:

[0357] The fourth transceiver module is used to send the second message to the third device.

[0358] Optionally, the apparatus in this application embodiment further includes:

[0359] The fifth transceiver module is used to transmit at least one of the parameters of the first signal and the first measurement quantity;

[0360] The first result is associated with the first measurement.

[0361] In this embodiment, a second device acquires capability information sent by a first device. Based on this capability information, the second device sends a first message to the first device. This first message instructs the first device to send either a first result from at least two target receiving units or a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first results corresponding to the at least two target receiving units. The receiving units in the aforementioned set can be understood as receiving units corresponding to the same capability. Based on the first or second result of at least two target receiving units within this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0362] The information transmission device in this application embodiment can be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip. The electronic device can be a terminal, or other devices besides a terminal. For example, the terminal can include, but is not limited to, the type of terminal 11 listed above; other devices can be servers, network attached storage (NAS), etc., and this application embodiment does not specifically limit the type.

[0363] The information transmission device provided in this application embodiment can achieve... Figures 2 to 4 The various processes implemented in the method embodiments achieve the same technical effect, and will not be described again here to avoid repetition.

[0364] Optionally, such as Figure 7As shown, this application embodiment also provides a communication device 700, including a processor 701 and a memory 702. The memory 702 stores a program or instructions that can run on the processor 701. For example, when the communication device 700 is a first device, when the program or instructions are executed by the processor 701, they implement the various steps of the information transmission method embodiment executed by the first device described above, and achieve the same technical effect. When the communication device 700 is a second device, when the program or instructions are executed by the processor 701, they implement the various steps of the information transmission method embodiment executed by the second device described above, and achieve the same technical effect. To avoid repetition, this will not be repeated here.

[0365] This application embodiment also provides a terminal, including a processor and a communication interface. The communication interface is used to send capability information to a second device. The capability information is used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; acquire a first message sent by the second device; and in response to the first message, send a second message. The second message includes a first result or a second result of at least two target receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes a reference signal, a synchronization signal, a data signal, and a dedicated signal. At least one of the signals; or, the communication interface is used to acquire capability information transmitted by the first device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels; according to the capability information, a first message is sent to the first device, the first message indicating that the first device sends a first result of at least two target receiving units or sends a second result, the at least two target receiving units being determined based on the at least one set of receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal. This terminal embodiment corresponds to the above-described first device-side method embodiment, and all implementation processes and methods of the above-described method embodiment can be applied to this terminal embodiment and can achieve the same technical effect. Specifically, Figure 8 A schematic diagram of the hardware structure of a terminal to implement an embodiment of this application.

[0366] The terminal 800 includes, but is not limited to, at least some of the following components: radio frequency unit 801, network module 802, audio output unit 803, input unit 804, sensor 805, display unit 806, user input unit 807, interface unit 808, memory 809, and processor 810.

[0367] Those skilled in the art will understand that the terminal 800 may also include a power supply (such as a battery) for supplying power to various components. The power supply may be logically connected to the processor 810 through a power management system, thereby enabling functions such as managing charging, discharging, and power consumption through the power management system. Figure 8 The terminal structure shown does not constitute a limitation on the terminal. The terminal may include more or fewer components than shown, or combine certain components, or have different component arrangements, which will not be elaborated here.

[0368] It should be understood that, in this embodiment, the input unit 804 may include a graphics processing unit (GPU) 8041 and a microphone 8042. The GPU 8041 processes image data of still images or videos obtained by an image capture device (such as a camera) in video capture mode or image capture mode. The display unit 806 may include a display panel 8061, which may be configured in the form of a liquid crystal display, an organic light-emitting diode, or the like. The user input unit 807 includes at least one of a touch panel 8071 and other input devices 8072. The touch panel 8071 is also called a touch screen. The touch panel 8071 may include a touch detection device and a touch controller. Other input devices 8072 may include, but are not limited to, physical keyboards, function keys (such as volume control buttons, power buttons, etc.), trackballs, mice, and joysticks, which will not be described in detail here.

[0369] In this embodiment, after receiving downlink data from the network-side device, the radio frequency unit 801 can transmit it to the processor 810 for processing; in addition, the radio frequency unit 801 can send uplink data to the network-side device. Typically, the radio frequency unit 801 includes, but is not limited to, antennas, amplifiers, transceivers, couplers, low-noise amplifiers, duplexers, etc.

[0370] The memory 809 can be used to store software programs or instructions, as well as various data. The memory 809 may primarily include a first storage area for storing programs or instructions and a second storage area for storing data. The first storage area may store the operating system, application programs or instructions required for at least one function (such as sound playback, image playback, etc.). Furthermore, the memory 809 may include volatile memory or non-volatile memory, or both. The non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. Volatile memory can be random access memory (RAM), static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (DDRSDRAM), enhanced synchronous dynamic random access memory (ESDRAM), synchronous link dynamic random access memory (SLDRAM), and direct memory bus RAM (DRRAM). The memory 809 in the embodiments of this application includes, but is not limited to, these and any other suitable types of memory.

[0371] Processor 810 may include one or more processing units; optionally, processor 810 integrates an application processor and a modem processor, wherein the application processor mainly handles operations involving the operating system, user interface, and applications, and the modem processor mainly handles wireless communication signals, such as a baseband processor. It is understood that the aforementioned modem processor may also not be integrated into processor 810.

[0372] In one embodiment of this application, a radio frequency unit 801 is configured to send capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; acquire a first message sent by the second device; and in response to the first message, send a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units, the at least two target receiving units being determined based on the at least one set of receiving units; the target operation being a division operation or a conjugate multiplication operation; the first signal including at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0373] Optionally, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

[0374] Optionally, the radio frequency unit 801 is also used for:

[0375] Acquire at least one of the parameters of the first signal and the first measured quantity;

[0376] The first result is associated with the first measurement.

[0377] Optionally, the processor 810 is further configured to perform target operation processing on the first result corresponding to the two target receiving units to obtain a first processing result, and use the first processing result as the second result;

[0378] And / or, perform target operation processing on the first result corresponding to any two target receiving units among the N target receiving units to obtain at least two second processing results; select the second processing result that satisfies the first condition from the at least two second processing results as the second result, where N≥3 and N is a positive integer.

[0379] Optionally, the first condition includes: the perception performance corresponding to the second processing result meets a preset condition;

[0380] The sensing performance includes at least one of the following:

[0381] The power value of the signal component associated with the sensed target;

[0382] Sensing signal-to-noise ratio (SNR);

[0383] Sensing signal plus noise ratio (SINR);

[0384] To detect whether the target exists;

[0385] The number of targets that are perceived to exist;

[0386] Radar cross-section (RCS) information of the target;

[0387] Perceive the spectral information of the target;

[0388] The time delay of at least one perceived target;

[0389] The distance to at least one perceived target;

[0390] Doppler of at least one sensing target;

[0391] The speed of at least one perceived target;

[0392] At least one angle information of the perceived target;

[0393] Among them, the perception performance meets at least one of the following preset conditions:

[0394] The power value of the signal component associated with the sensed target satisfies the first threshold or the power value of the signal component associated with the sensed target is at its maximum.

[0395] The perceived SNR meets the second threshold or the perceived SNR is at its maximum.

[0396] The perceived SINR meets the third threshold or the perceived SINR is at its maximum.

[0397] At least Y sensing targets were detected;

[0398] Based on the bitmap corresponding to the detected target and the preset bitmap configured by the network-side device. Figure 1 To;

[0399] The radar cross-section (RCS) of the perceived target satisfies the second condition or is at its maximum.

[0400] The spectral information of the perceived target satisfies the third condition;

[0401] The first parameter of the perceived target satisfies the fourth condition, and the first parameter includes at least one of the following: time delay, distance, Doppler, velocity, and angle information;

[0402] Where Y is a positive integer.

[0403] Optionally, the radio frequency unit 801 is also used for:

[0404] Obtain a third message sent by the second device, the third message being used to instruct the first device to report the capability information; and send the capability information according to the third message.

[0405] Optionally, the second message further includes at least one of the following:

[0406] A third result corresponding to the second measurement quantity is obtained based on the second result;

[0407] The tag information corresponding to the first result.

[0408] The tag information corresponding to the second result;

[0409] The tag information corresponding to the third result.

[0410] Optionally, the second measurement includes at least one of the following:

[0411] The time delay of target perception;

[0412] Doppler for sensing targets;

[0413] Perceive the angle information of the target;

[0414] The strength of the perceived signal;

[0415] Perceive the distance to the target;

[0416] Perceive the speed of the target;

[0417] Perceive the orientation of the target;

[0418] Perceive the spatial location of the target;

[0419] Sensing the acceleration of the target;

[0420] To detect whether the target exists;

[0421] Perceive at least one of the following: the target's trajectory, movement, facial expression, vital signs, number, and imaging results; weather information;

[0422] Air quality;

[0423] Perceive at least one of the target's shape, material, and composition.

[0424] Optionally, the first measurement includes at least one of the following:

[0425] The result of the frequency domain channel response;

[0426] The amplitude of the frequency domain channel response;

[0427] The phase of the frequency domain channel response;

[0428] I-channel data of the frequency domain channel response;

[0429] Q-channel data of the frequency domain channel response;

[0430] The calculation results of the I-channel data and the Q-channel data.

[0431] Optionally, the label information includes at least one of the following:

[0432] Sensing signal identification information;

[0433] Sensing measurement configuration identification information;

[0434] Perceive business information;

[0435] Data subscription ID information;

[0436] Information on the purpose of the measurement;

[0437] Time information;

[0438] Sensing node information;

[0439] Sensing link information;

[0440] Measurement description information;

[0441] Measurement index information.

[0442] Optionally, the parameters of the first signal include at least one of the following:

[0443] Waveform type;

[0444] Subcarrier spacing;

[0445] Protection interval;

[0446] bandwidth;

[0447] Burst duration;

[0448] Time domain interval;

[0449] Transmitted signal power;

[0450] Signal format;

[0451] Signal direction;

[0452] Time resources;

[0453] Frequency resources;

[0454] Quasi-co-addressable QCL relationship;

[0455] Antenna configuration information of sensing nodes.

[0456] In another embodiment of this application, the radio frequency unit 801 is configured to: acquire capability information transmitted by a first device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; and, based on the capability information, send a first message to the first device, the first message indicating that the first device sends a first result of at least two target receiving units or sends a second result, the at least two target receiving units being determined based on the at least one set of receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units; the target operation being a division operation or a conjugate multiplication operation; the first signal including at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0457] Optionally, the radio frequency unit 801 is also used for:

[0458] Obtain a second message sent by the first device, the second message including a second result or the first result.

[0459] Optionally, the processor 810 is further configured to perform target operation processing on the first result corresponding to the at least two target receiving units to obtain a second result.

[0460] Optionally, the processor 810 is also configured to obtain a perception result based on the second result.

[0461] Optionally, the radio frequency unit 801 is also used for:

[0462] The second message is sent to the third device.

[0463] Optionally, the radio frequency unit 801 is further configured to: transmit at least one of the parameters of the first signal and the first measurement quantity;

[0464] The first result is associated with the first measurement.

[0465] In this embodiment, a first device sends capability information to a second device, the capability information indicating that the first device includes at least one set of receiving units; the first device receives a first message sent by the second device, the first message indicating that the first device sends a first result or a second result from at least two target receiving units, wherein the at least two target receiving units are receiving units in the same set of receiving units; the first device sends a second message, the second message including either the second result or the first result. The receiving units in the aforementioned set of receiving units can be understood as receiving units corresponding to the same capability. Based on the first or second result of at least two target receiving units in this set, random amplitude or phase variations in CSI can be effectively eliminated, thereby accurately recovering the sensing results.

[0466] This application embodiment also provides a network-side device, including a processor and a communication interface. The communication interface is used to send capability information to a second device. The capability information is used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or at least two receiving channels; acquire a first message sent by the second device; and in response to the first message, send a second message. The second message includes a first result or a second result of at least two target receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first result corresponding to the at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes a reference signal, a synchronization signal, a data signal, and... At least one of the following: a dedicated signal; or, the communication interface is used to acquire capability information transmitted by the first device, the capability information indicating that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels; according to the capability information, a first message is sent to the first device, the first message indicating that the first device sends a first result of at least two target receiving units or sends a second result, the at least two target receiving units being determined based on the at least one set of receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first result corresponding to the at least two target receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal.

[0467] This network-side device embodiment corresponds to the first or second device method embodiment described above. All implementation processes and methods of the above method embodiments can be applied to this network-side device embodiment and can achieve the same technical effect.

[0468] Specifically, embodiments of this application also provide a network-side device. For example... Figure 9 As shown, the network-side device 900 includes: an antenna 91, a radio frequency (RF) device 92, a baseband device 93, a processor 94, and a memory 95. The antenna 91 is connected to the RF device 92. In the uplink direction, the RF device 92 receives information through the antenna 91 and transmits the received information to the baseband device 93 for processing. In the downlink direction, the baseband device 93 processes the information to be transmitted and sends it to the RF device 92. The RF device 92 processes the received information and transmits it through the antenna 91.

[0469] The method executed by the first or second device in the above embodiments can be implemented in the baseband device 93, which includes a baseband processor.

[0470] Baseband device 93 may include, for example, at least one baseband board on which multiple chips are disposed, such as Figure 9 As shown, one of the chips is, for example, a baseband processor, which is connected to the memory 95 via a bus interface to call the program in the memory 95 and execute the network device operations shown in the above method embodiment.

[0471] The network-side device may also include a network interface 96, such as a common public radio interface (CPRI).

[0472] Specifically, the network-side device 900 of this embodiment further includes: instructions or programs stored in a memory 95 and executable on a processor 94, wherein the processor 94 calls the instructions or programs in the memory 95 to execute. Figure 5 or Figure 6 The methods executed by each module shown achieve the same technical effect, and to avoid repetition, they will not be described in detail here.

[0473] Specifically, embodiments of this application also provide a network-side device. For example... Figure 10 As shown, the network-side device 1000 includes a processor 1001, a network interface 1002, and a memory 1003. The network interface 1002 is, for example, a common public radio interface (CPRI).

[0474] Specifically, the network-side device 1000 of this embodiment further includes: instructions or programs stored in a memory 1003 and executable on a processor 1001, wherein the processor 1001 calls the instructions or programs in the memory 1003 to execute. Figure 6 The methods executed by each module shown achieve the same technical effect, and to avoid repetition, they will not be described in detail here.

[0475] This application also provides a readable storage medium storing a program or instructions. When the program or instructions are executed by a processor, they implement the various processes of the above-described information transmission method embodiments and achieve the same technical effects. To avoid repetition, they will not be described again here.

[0476] The processor is the processor in the terminal described in the above embodiments. The readable storage medium includes computer-readable storage media, such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0477] This application embodiment also provides a chip, which includes a processor and a communication interface. The communication interface is coupled to the processor. The processor is used to run programs or instructions to implement the various processes of the above-described information transmission method embodiments and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0478] It should be understood that the chip mentioned in the embodiments of this application may also be referred to as a system-on-a-chip, system chip, chip system, or system-on-a-chip, etc.

[0479] This application also provides a computer program / program product, which is stored in a storage medium and executed by at least one processor to implement the various processes of the above-described information transmission method embodiments, and can achieve the same technical effect. To avoid repetition, it will not be described again here.

[0480] This application also provides an information transmission system, including a first device and a second device. The first device can be used to perform the steps of the information transmission method performed by the first device as described above, and the second device can be used to perform the steps of the information transmission method performed by the second device as described above.

[0481] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0482] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a computer software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) and includes several instructions to cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in the various embodiments of this application.

[0483] 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. An information transmission method, characterized in that, include: The first device sends capability information to the second device, the capability information being used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels; The first device acquires the first message sent by the second device; In response to the first message, the first device sends a second message, the second message including a first result or a second result of at least two target receiving units, the first result being obtained by measuring a first signal, and the second result being obtained by performing a target operation on the first results corresponding to at least two target receiving units, wherein the at least two target receiving units are determined based on the at least one set of receiving units; the target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal; Wherein, the at least two target receiving units are receiving units in the same set of receiving units; at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

2. The method according to claim 1, characterized in that, Also includes: The first device acquires at least one of the parameters of the first signal and the first measurement quantity; The first result is associated with the first measurement.

3. The method according to claim 1, characterized in that, Before the first device sends the second message, the method further includes: The first results corresponding to the two target receiving units are subjected to target arithmetic processing to obtain a first processing result, and the first processing result is used as the second result. And / or, perform target operation processing on the first result corresponding to any two target receiving units among the N target receiving units to obtain at least two second processing results; select the second processing result that satisfies the first condition from the at least two second processing results as the second result, where N≥3 and N is a positive integer.

4. The method according to claim 3, characterized in that, The first condition includes: the perception performance corresponding to the second processing result meets the preset conditions; The sensing performance includes at least one of the following: The power value of the signal component associated with the sensed target; Sensing signal-to-noise ratio (SNR); Sensing signal plus noise ratio (SINR); To detect whether the target exists; The number of targets that are perceived to exist; Radar cross-section (RCS) information of the target; Perceive the spectral information of the target; The time delay of at least one perceived target; The distance to at least one perceived target; Doppler of at least one sensing target; The speed of at least one perceived target; At least one angle information of the perceived target; Among them, the perception performance meets at least one of the following preset conditions: The power value of the signal component associated with the sensed target satisfies the first threshold or the power value of the signal component associated with the sensed target is at its maximum. The perceived SNR meets the second threshold or the perceived SNR is at its maximum. The perceived SINR meets the third threshold or the perceived SINR is at its maximum. At least Y sensing targets were detected; Based on the fact that the bit map corresponding to the perceived target determined by the detection is consistent with the preset bit map configured by the network-side device; The radar cross-section (RCS) of the perceived target satisfies the second condition or is at its maximum. The spectral information of the perceived target satisfies the third condition; The first parameter of the perceived target satisfies the fourth condition, and the first parameter includes at least one of the following: time delay, distance, Doppler, velocity, and angle information; Where Y is a positive integer.

5. The method according to claim 1, characterized in that, The first device sends capability information to the second device, including: The first device receives a third message sent by the second device, the third message being used to instruct the first device to report the capability information; The first device sends the capability information based on the third message.

6. The method according to claim 1, characterized in that, The second message also includes at least one of the following: A third result corresponding to the second measurement quantity is obtained based on the second result; The tag information corresponding to the first result; The tag information corresponding to the second result; The tag information corresponding to the third result.

7. The method according to claim 6, characterized in that, The second measurement includes at least one of the following: The time delay of target perception; Doppler for sensing targets; Perceive the angle information of the target; The strength of the perceived signal; Perceive the distance to the target; Perceive the speed of the target; Perceive the orientation of the target; Perceive the spatial location of the target; Sensing the acceleration of the target; To detect whether the target exists; Perceive at least one of the following: the target's trajectory, movement, expression, vital signs, number, and imaging results; Weather information; Air quality; Perceive at least one of the target's shape, material, and composition.

8. The method according to claim 2, characterized in that, The first measurement includes at least one of the following: The result of the frequency domain channel response; The amplitude of the frequency domain channel response; The phase of the frequency domain channel response; I-channel data of the frequency domain channel response; Q-channel data of the frequency domain channel response; The calculation results of the I-channel data and the Q-channel data.

9. The method according to claim 6, characterized in that, The label information includes at least one of the following: Sensing signal identification information; Sensing measurement configuration identification information; Perceive business information; Data subscription ID information; Information on the purpose of the measurement; Time information; Sensing node information; Sensing link information; Measurement description information; Measurement index information.

10. The method according to claim 2, characterized in that, The parameters of the first signal include at least one of the following: Waveform type; Subcarrier spacing; Protection interval; bandwidth; Burst duration; Time domain interval; Transmitted signal power; Signal format; Signal direction; Time resources; Frequency resources; Quasi-co-addressable QCL relationship; Antenna configuration information of sensing nodes.

11. An information transmission method, characterized in that, include: The second device acquires capability information sent by the first device, the capability information being used to indicate that the first device includes at least one set of receiving units, each set of receiving units including at least two receiving antennas or including at least two receiving channels; The second device sends a first message to the first device based on the capability information. The first message is used to instruct the first device to send a first result of at least two target receiving units or to send a second result. The at least two target receiving units are determined based on the at least one set of receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing target operations on the first results corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal; Wherein, the at least two target receiving units are receiving units in the same set of receiving units; at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

12. The method according to claim 11, characterized in that, Also includes: The second device acquires a second message sent by the first device, the second message including a second result or the first result.

13. The method according to claim 12, characterized in that, After the second device receives the second message sent by the first device, the method further includes: The first result corresponding to the at least two target receiving units is subjected to target operation processing to obtain the second result.

14. The method according to claim 12 or 13, characterized in that, The method further includes: The second device obtains the perception result based on the second result.

15. The method according to claim 12, characterized in that, After the second device receives the second message sent by the first device, the method further includes: The second message is sent to the third device.

16. The method according to claim 11, characterized in that, Also includes: The second device transmits at least one of the parameters of the first signal and the first measurement quantity; The first result is associated with the first measurement.

17. An information transmission device, applied to a first device, characterized in that, include: A first transceiver module is used to send capability information to a second device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels. The first acquisition module is used to acquire the first message sent by the second device; The second transceiver module is configured to send a second message in response to the first message. The second message includes a first result or a second result from at least two target receiving units. The first result is obtained by measuring a first signal, and the second result is obtained by performing a target operation on the first results corresponding to the at least two target receiving units. The at least two target receiving units are determined based on the at least one set of receiving units. The target operation is a division operation or a conjugate multiplication operation. The first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal. Wherein, the at least two target receiving units are receiving units in the same set of receiving units; at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

18. An information transmission device, applied to a second device, characterized in that, include: The second acquisition module is used to acquire capability information sent by the first device. The capability information is used to indicate that the first device includes at least one set of receiving units, and each set of receiving units includes at least two receiving antennas or at least two receiving channels. The third transceiver module is used to send a first message to the first device according to the capability information. The first message is used to instruct the first device to send a first result of at least two target receiving units or to send a second result. The at least two target receiving units are determined according to the at least one set of receiving units. The first result is obtained by measuring a first signal. The second result is obtained by performing target operations on the first results corresponding to the at least two target receiving units. The target operation is a division operation or a conjugate multiplication operation; the first signal includes at least one of a reference signal, a synchronization signal, a data signal, and a dedicated signal; Wherein, the at least two target receiving units are receiving units in the same set of receiving units; at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same transceiver; or, at least two receiving antennas or at least two receiving channels in each set of receiving units correspond to the same analog-to-digital converter; or, at least two receiving antennas in each set of receiving units have the same polarization characteristics; or, at least two receiving antennas in each set of receiving units have the same feeder length.

19. A communication device, characterized in that, It includes a processor and a memory, the memory storing a program or instructions that can run on the processor, the program or instructions being executed by the processor to implement the steps of the information transmission method as described in any one of claims 1 to 10, or to implement the steps of the information transmission method as described in any one of claims 11 to 16.

20. A readable storage medium, characterized in that, The readable storage medium stores a program or instructions that, when executed by a processor, implement the steps of the information transmission method as described in any one of claims 1 to 10, or implement the steps of the information transmission method as described in any one of claims 11 to 16.

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