Signal processing method, device and terminal

Abstract

The invention provides a signal processing method and device and a terminal, and relates to the technical field of communication perception. The method comprises the following steps: the terminal determines a first target receiving power value of a sensing signal; the terminal determines a first sending power value of the sensing signal according to the first target receiving power value; the terminal determines a first wireless resource according to the first sending power value; and the terminal sends and / or receives the sensing signal on the first wireless resource. According to the invention, the problems of high resource consumption and high time delay in current sensing signal transmission can be solved.

Description

Technical Field

[0001] The present application relates to the field of communication perception technology, and in particular to a signal processing method, device and terminal. Background Art

[0002] In the evolution of communication technology, Integrated Sensing and Communication (ISAC) is an important candidate evolution feature. In the perception process, the perception device can actively send a perception signal and perform environmental perception based on the echo signal, or the perception device can perform environmental perception based on the received perception signal or echo signal. Among them, when the perception device transmits the perception signal, it is necessary to consider the transmission power and transmission resources of the signal (here "transmission" includes sending and / or receiving, and the transmission resources include time domain resources and / or frequency domain resources). Theoretically, if the transmission power of the perception signal is larger, the accuracy and accuracy of the perception result can be improved, otherwise the accuracy and accuracy of the perception result will be lower. However, if the transmission power of the perception signal is larger, the interference to other communication devices will be greater, which is not conducive to the coexistence of air interfaces between devices. Taking the terminal as a perception device as an example, when the wireless resources for the terminal to send the perception signal are shared with the network device (such as a base station), the base station allocates the wireless resource locations of all perception signals, which can minimize the mutual interference of signals between devices. However, the application and allocation process of sensing resources requires signaling interaction between base stations and terminals, which results in new wireless resource consumption and increases the latency of sensing services. Summary of the invention

[0003] The present application provides a signal processing method, device and terminal, which can solve the problems of large resource consumption and high latency in current perception signal transmission.

[0004] An embodiment of the present application provides a signal processing method, including:

[0005] The terminal determines a first target received power value of the perception signal;

[0006] Determining, by the terminal, a first transmit power value of the perception signal according to the first target receive power value;

[0007] The terminal determines a first wireless resource according to the first transmit power value;

[0008] The terminal sends and / or receives the perception signal on the first radio resource.

[0009] Optionally, the first target received power value is an expected target power value for receiving a perception signal;

[0010] The first target receiving power value is configured by the network device side or agreed upon by a protocol.

[0011] Optionally, the terminal determines, according to the first target received power value, a first transmit power value of the perception signal, including:

[0012] The terminal determines the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to frequency domain resources occupied by the perception signal;

[0013] or,

[0014] The terminal determines the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of a first path;

[0015] The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

[0016] Optionally, the path loss value of the first path is less than or equal to a preset path loss value;

[0017] The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, a radar cross section (RCS), and a transmission frequency band of the sensing signal.

[0018] Optionally, the terminal determines, according to the first transmit power value, a first radio resource, including:

[0019] The terminal determines a second target received power value of the perception signal;

[0020] The terminal determines a second transmit power value of the perception signal according to the two target receive power values;

[0021] The terminal determines a first wireless resource according to a magnitude relationship between the first transmit power value and the second transmit power value.

[0022] Optionally, the second target received power value is a power threshold value at which the perceived signal generates interference;

[0023] The second target receiving power value is configured by the network device side or agreed upon by a protocol.

[0024] Optionally, the terminal determines, according to the second target received power value, a second transmit power value of the perception signal, including:

[0025] The terminal determines the second transmit power value according to the second target receive power value and a third set, where the third set at least includes: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0026] or,

[0027] The terminal determines the second transmit power value according to the second target receive power value and a fourth set, where the fourth set at least includes: a path loss value of the second path, the first parameter value, and a first gain value;

[0028] or,

[0029] The terminal determines the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path;

[0030] Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by the second signal receiving end and a beam direction difference between a signal received by the terminal and a signal received by the terminal.

[0031] Optionally, the path loss value of the second path is determined by a first reference signal;

[0032] The first reference signal includes at least one of the following:

[0033] Reference signals configured for sensing services;

[0034] A reference signal used to determine the transmit power of the Physical Uplink Control Channel (PUCCH);

[0035] A reference signal used to determine the transmit power of the Physical Uplink Shared Channel (PUSCH);

[0036] A synchronization signal block used to obtain the Master Information Block (MIB).

[0037] Optionally, the first gain value is determined by the following formula:

[0038]

[0039] Among them, g(θ d ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, Gm is the reference gain value, θ d The difference in beam direction between the signal sent by the terminal and the perceived signal received by the terminal is determined by the terminal.

[0040] Optionally, the first parameter value is determined by the number of resource blocks (Resource block, RB) occupied by the perception signal in the frequency domain;

[0041] or,

[0042] The first parameter value is determined by the number of resource elements (REs) occupied by the perception signal in the frequency domain.

[0043] Optionally, the first parameter value is determined by the number of RBs occupied by the perception signal in the frequency domain, including:

[0044] The first parameter value is determined by the following formula:

[0045]

[0046] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

[0047] Optionally, the first parameter value is determined by the number of REs occupied by the perception signal in the frequency domain, including:

[0048] The first parameter value is determined by the following formula:

[0049]

[0050] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

[0051] Optionally, the terminal determines the first radio resource according to a magnitude relationship between the first transmit power value and the second transmit power value, including:

[0052] The terminal determines a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value;

[0053] The terminal determines the first wireless resource according to the wireless resource acquisition method.

[0054] Optionally, the terminal determines the radio resource acquisition mode according to a magnitude relationship between the first transmit power value and the second transmit power value, including:

[0055] When the first transmit power value is greater than or equal to the second transmit power value, the terminal determines that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource;

[0056] and / or,

[0057] In a case where the first transmit power value is less than the second transmit power value, the terminal determines the wireless resource acquisition method as the second acquisition method; wherein the second acquisition method is that the terminal determines the first wireless resource by itself.

[0058] Optionally, the terminal sending the perception signal on the first radio resource includes:

[0059] The terminal sends a perception signal using the first transmit power value or the second transmit power value on a first radio resource;

[0060] The terminal receives an echo signal after the sensing signal is reflected;

[0061] The terminal adjusts the first transmit power value or the second transmit power value according to the receive power value of the echo signal;

[0062] The terminal sends a perception signal on the first wireless resource using the adjusted first transmission power value or the adjusted second transmission power value.

[0063] Optionally, the terminal adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal includes:

[0064] When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the terminal adjusts the first transmission power value or the second transmission power value according to the first step.

[0065] Optionally, the first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

[0066] The embodiment of the present application also provides a signal processing device, including a memory, a transceiver, and a processor;

[0067] The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer program in the memory and perform the following operations:

[0068] Determining a first target received power value of the perception signal;

[0069] Determining a first transmit power value of the perception signal according to the first target receive power value;

[0070] determining a first wireless resource according to the first transmit power value;

[0071] The perception signal is sent and / or received on the first radio resource.

[0072] Optionally, the first target received power value is an expected target power value for receiving a perception signal;

[0073] The first target receiving power value is configured by the network device side or agreed upon by a protocol.

[0074] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0075] Determine the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0076] or,

[0077] Determine the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of the first path;

[0078] The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

[0079] Optionally, the path loss value of the first path is less than or equal to a preset path loss value;

[0080] The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, the RCS, and the transmission frequency band of the sensing signal.

[0081] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0082] Determining a second target received power value of the perception signal;

[0083] Determining a second transmit power value of the perception signal according to the two target receive power values;

[0084] A first wireless resource is determined according to a magnitude relationship between the first transmit power value and the second transmit power value.

[0085] Optionally, the second target received power value is a power threshold value at which the perceived signal generates interference;

[0086] The second target receiving power value is configured by the network device side or agreed upon by a protocol.

[0087] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0088] Determine the second transmit power value according to the second target receive power value and a third set, where the third set includes at least: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0089] or,

[0090] Determine the second transmit power value according to the second target receive power value and a fourth set, wherein the fourth set includes at least: a path loss value of the second path, the first parameter value, and a first gain value;

[0091] or,

[0092] Determine the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path;

[0093] Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by a receiving network device and a received perception signal.

[0094] Optionally, the path loss value of the second path is determined by a first reference signal;

[0095] The first reference signal includes at least one of the following:

[0096] Reference signals configured for sensing services;

[0097] A reference signal used to determine the PUCCH transmit power;

[0098] A reference signal used to determine PUSCH transmit power;

[0099] Used to obtain the synchronization signal block of the MIB.

[0100] Optionally, the first gain value is determined by the following formula:

[0101]

[0102] Among them, g(θ d ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, G m is the reference gain value, θd It is the difference in beam direction between the signal sent by the receiving network device and the received sensing signal.

[0103] Optionally, the first parameter value is determined by the number of RBs occupied by the perception signal in the frequency domain;

[0104] or,

[0105] The first parameter value is determined by the number of REs occupied by the perception signal in the frequency domain.

[0106] Optionally, the first parameter value is determined by the number of RBs occupied by the perception signal in the frequency domain, including:

[0107] The first parameter value is determined by the following formula:

[0108]

[0109] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

[0110] Optionally, the first parameter value is determined by the number of REs occupied by the perception signal in the frequency domain, including:

[0111] The first parameter value is determined by the following formula:

[0112]

[0113] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

[0114] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0115] Determining a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value;

[0116] The first wireless resource is determined according to the wireless resource acquisition method.

[0117] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0118] When the first transmit power value is greater than or equal to the second transmit power value, determining that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource;

[0119] and / or,

[0120] In the case where the first transmission power value is less than the second transmission power value, the wireless resource acquisition method is determined to be the second acquisition method; wherein the second acquisition method is to determine the first wireless resource by itself.

[0121] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0122] Sending a perception signal at the first transmit power value or the second transmit power value on a first radio resource;

[0123] Receiving an echo signal after the sensing signal is reflected;

[0124] adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal;

[0125] The perception signal is sent on the first wireless resource with the adjusted first transmission power value or the adjusted second transmission power value.

[0126] Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

[0127] When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the first transmission power value or the second transmission power value is adjusted according to the first step.

[0128] Optionally, the first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

[0129] An embodiment of the present application provides a terminal, including:

[0130] A first processing unit, configured to determine a first target received power value of a perception signal;

[0131] A second processing unit, configured to determine a first transmit power value of the perception signal according to the first target receive power value;

[0132] A third processing unit, configured to determine a first wireless resource according to the first transmit power value;

[0133] A transceiver unit is used to send and / or receive the perception signal on the first wireless resource.

[0134] An embodiment of the present application provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the steps of the signal processing method as described above.

[0135] The beneficial effects of the above technical solution of the present application are:

[0136] In an embodiment of the present application, the terminal determines a first sending power value for sending the perception signal based on a first target receiving power value of the received perception signal, and determines a first wireless resource for sending and / or receiving the perception signal based on the first sending power value, so as to send and / or receive the perception signal on the first wireless resource. This can reduce the signaling overhead of allocating the sending and / or receiving resources of the perception signal by the network device, and reduce the transmission delay of the perception signal, thereby solving the problems of high resource consumption and high delay in the current transmission of the perception signal. BRIEF DESCRIPTION OF THE DRAWINGS

[0137] Figure 1a A schematic diagram showing single-station sensing based on a base station;

[0138] Figure 1b A schematic diagram showing terminal-based single-station sensing;

[0139] Figure 1c A schematic diagram showing terminal-to-terminal dual-station sensing;

[0140] Figure 1d A schematic diagram showing base station to base station dual station sensing;

[0141] Figure 1e A schematic diagram showing dual-station perception from a terminal to a base station;

[0142] Figure 1f A schematic diagram showing dual-station perception from a base station to a terminal;

[0143] Figure 1g Schematic diagram representing interactive perception;

[0144] Figure 2 A schematic diagram showing a terminal determining the power of receiving and sending a perception signal in a single-station perception mode;

[0145] Figure 3 A flowchart showing a signal processing method according to an embodiment of the present application;

[0146] Figure 4 A schematic diagram showing a beam direction in which a terminal receives a signal sent by a second signal receiving end and a beam direction in which a terminal receives a perception signal according to an embodiment of the present application;

[0147] Figure 5aA schematic diagram showing that the power of a sensing signal reaching a network device in an embodiment of the present application is higher than a certain threshold value;

[0148] Figure 5b A schematic diagram showing that the power of a sensing signal reaching a network device according to an embodiment of the present application is lower than a certain threshold value;

[0149] Figure 6 A flowchart showing a terminal sending a perception signal on a first wireless resource according to an embodiment of the present application;

[0150] Figure 7 A block diagram showing a signal processing device according to an embodiment of the present application;

[0151] Figure 8 A block diagram showing a terminal according to an embodiment of the present application. DETAILED DESCRIPTION

[0152] In order to make the technical problems, technical solutions and advantages to be solved by the application clearer, the following will be described in detail in conjunction with the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help fully understand the embodiments of the application. Therefore, it should be clear to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, for clarity and brevity, the description of known functions and structures has been omitted.

[0153] It should be understood that the references to "one embodiment" or "an embodiment" throughout the specification mean that the specific features, structures, or characteristics associated with the embodiment are included in at least one embodiment of the present application. Therefore, the references to "in one embodiment" or "in an embodiment" appearing throughout the specification do not necessarily refer to the same embodiment. In addition, these specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0154] In the various embodiments of the present application, it should be understood that the size of the serial numbers of the following processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

[0155] Additionally, the terms "system" and "network" are often used interchangeably herein.

[0156] The technical solution provided in the embodiment of the present application can be applicable to a variety of systems. For example, the applicable system can be a global system of mobile communication (GSM) system, a code division multiple access (CDMA) system, a wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, a long term evolution (LTE) system, a LTE frequency division duplex (FDD) system, a LTE time division duplex (TDD) system, an advanced long term evolution (LTE-A) system, a universal mobile telecommunication system (UMTS), a world-wide interoperability for microwave access (WiMAX) system, a 5G new radio (NR) system, etc. These various systems include terminal equipment and network equipment. The system may also include a core network part, such as an evolved packet system (EPS), a 5G system (5GS), a 6G system, etc.

[0157] Network devices and terminal devices can each use one or more antennas for multiple-input multiple-output (MIMO) transmission. MIMO transmission can be single-user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO). Depending on the form and number of antenna combinations, MIMO transmission can be 2D-MIMO, 3D-MIMO, FD-MIMO or massive-MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.

[0158] In the embodiments of the present application, the term "and / or" describes the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B may represent: A exists alone, A and B exist at the same time, and B exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship.

[0159] In the embodiments of the present application, the term "plurality" refers to two or more than two, and other quantifiers are similar.

[0160] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0161] The following is an explanation of the related technologies involved in this application:

[0162] 1. Basic concepts of ISAC

[0163] The basic idea of ​​ISAC is to introduce the function of wireless perception in wireless mobile communications. Wireless perception refers to the perception of environmental information through wireless signals. Environmental information includes but is not limited to: the distribution, size, quantity, temperature of environmental objects, human actions and behaviors, and even human breathing frequency, heart rate, etc. The principle of wireless perception is to transmit wireless signals to the environment that needs to be perceived, and at the same time collect wireless signals reflected, scattered or multi-path transmitted by the environment at the receiving end. Since the collected wireless signals are involved in the environment, that is, the collected wireless signals carry environmental information, after receiving the wireless signals reflected, scattered or multi-path transmitted by the environment, after corresponding signal processing, the environmental characteristics can be obtained, so that the perceived environmental information can be reconstructed, such as identifying people and objects in the environment, detecting temperature, detecting human actions, and even breathing frequency, heart rate, etc.

[0164] Wireless sensing is usually divided into: single-station sensing (monostatic) and dual-station sensing. Among them, single-station sensing refers to the base station or terminal actively sending a sensing signal, and the sensing signal is reflected by the sensed object and then received by the base station or terminal. For example, single-station sensing can include single-station sensing based on the base station (such as Figure 1a As shown in ), terminal-based single-station perception (as shown in Figure 1b As shown). Dual-station sensing refers to that a base station or a terminal actively sends a sensing signal, and the sensing signal is received by the other terminal or base station through a wireless channel. For example, dual-station sensing may include terminal-to-terminal dual-station sensing (i.e., UE-UE dual-station sensing, such as Figure 1c As shown in the figure), base station to base station dual-station sensing (i.e. gNB-gNB dual-station sensing, as shown in the figure), Figure 1d As shown), dual-station perception from terminal to base station (i.e., dual-station perception from UE to gNB, as shown Figure 1e As shown in the figure), dual-station perception from base station to terminal (i.e., dual-station perception from gNB to UE, as ... Figure 1fIn addition, wireless sensing may also include interactive sensing, for example, a terminal or a base station actively sends a sensing signal, and the sensing signal is received by the base station or the terminal without passing through the sensing object, such as Figure 1g shown.

[0165] 2. Wireless sensing accuracy

[0166] Wireless sensing positioning accuracy is usually described by the root mean square error (σ) of distance, speed and angle measurements. Positioning accuracy depends on the wireless sensing waveform and antenna parameters (such as signal time width, bandwidth and beam width) on the one hand, and on the signal-to-noise ratio of the echo signal on the other hand. The calculation formula is shown in Table 1:

[0167] Table 1

[0168]

[0169] Where E is the energy of the signal, N 0 is the noise power per unit bandwidth, c is the speed of light, and SNR is the signal-to-noise ratio: SNR = E / N 0 , τ is the signal duration (uncompressed pulse width): τ = MT r .

[0170] It can be seen from Table 1 above that for the accuracy of wireless sensing, the variables that the sensing device can control are: signal bandwidth and transmission power (ie, signal-to-noise ratio). The larger the transmission signal bandwidth and the greater the transmission power, the higher the wireless sensing accuracy.

[0171] 3. Perceive the signal transmission power and transmission resources

[0172] In the radar perception system, the transmission spectrum is dedicated, and the perception signal is sent by a large base station or an aircraft. It is not sensitive to the power consumption of the transmitted signal. At the same time, it is believed that the perception service has a relatively small demand for wireless resources (that is, it is believed that there are sufficient wireless resources), so there is no limit on the transmission power (such as transmitting at maximum power), and there is no need for a wireless resource allocation process.

[0173] In order to meet the requirements of the perception service quality index and reduce interference to other devices, it is necessary to determine the "appropriate" power P_T of sending the perception signal. For example, when the device sending the perception signal is a terminal and the perception mode is a single-station mode, see Figure 2 Regarding the transmit power P_T of the perception signal: a larger transmit power P_T can increase the value of the received power P_R, thereby improving the precision and accuracy of the perception signal, but a larger transmit power P_T will cause interference to other devices and also reduce the working time of the terminal. Therefore, it is necessary to determine the "appropriate" transmit power P_T.

[0174] In addition, regarding the resource location (including time domain and frequency domain) for sending perception signals: if all perception signals are allocated by network devices, although mutual interference between signals of devices can be avoided to the greatest extent, signaling consumption is also caused in the resource application and allocation process, while increasing the latency of perception services; and when the terminal is in an idle state, the terminal needs to enter a connected state through a random access channel (RACH) process before it can interact with the network device to apply for allocation of wireless resources.

[0175] The embodiments of the present application provide a signal processing method, device and terminal to solve the problem of high resource consumption and high latency in current perception signal transmission. The method and device (or terminal) are based on the same application concept. Since the principles of the method and device (or terminal) for solving the problem are similar, the implementation of the method and device (or terminal) can refer to each other, and the repeated parts will not be repeated.

[0176] like Figure 3 As shown, an embodiment of the present application provides a signal processing method, comprising the following steps:

[0177] Step 31: The terminal determines a first target received power value of the perception signal.

[0178] Optionally, the first target received power value is an expected target power value for receiving the perception signal (for example, the first target received power value may be P0 target_UE For example, when a perception signal is sent to other devices (such as other terminals or network devices), and the terminal expects to receive the perception signal, then P0 target_UE That is, it indicates the expected target power value at which the terminal can receive the perception signal; or, after the terminal sends the perception signal, the perception signal undergoes air interface attenuation and / or reflection process, and the terminal expects to receive the perception signal, then P0 target_UE That is, it means that after the terminal sends the perception signal, the terminal can receive the expected target power value of the perception signal after the perception signal is attenuated by the air interface and / or reflected by the object; or, when the terminal sends the perception signal, other devices (such as other terminals or network devices, etc.) expect to receive the perception signal, then P0 target_UE That is, it indicates the expected target power value at which other devices can receive the sensing signal.

[0179] Here, P0 target_UE It can be understood that: for a certain sensing service, from the perspective of the receiving device (such as a terminal or network device, etc.), the power value of the sensing signal is greater than or equal to the P0 target_UEWhen the relevant signal quality can meet the requirements of the perceived service quality, that is, the receiving end device can effectively receive and calculate the perceived signal and output the perceived result that meets the key indicator quality requirements.

[0180] Optionally, the first target received power value is configured or indicated by the network device side, or the first target received power value is agreed upon by a protocol. For example: in the case where the first target received power value is configured or indicated by the network device side, the network device may send a first indication message to the terminal, and the first indication message is used to indicate the first target received power value. For example, the numerical range of the first target received power value configured or indicated by the network device side may be -220dBm to -90dBm. When the network device side does not configure or indicate the first target received power value, the terminal may determine the first target received power value as a default value based on the protocol agreement, such as setting the default value to -110dBm, etc. The embodiments of the present application are not limited to this.

[0181] Step 32: The terminal determines a first transmit power value of the perception signal according to the first target receive power value.

[0182] For example, the terminal may consider the attenuation of the perception signal during transmission, compensate the first target receiving power value, and obtain the first transmitting power value of the perception signal. The attenuation of the perception signal during transmission includes but is not limited to at least one of the following: a path loss value of the perception signal from the signal transmitting end to the expected receiving end, a first parameter value related to the frequency domain resources occupied by the perception signal, and other power-related parameter values, etc., and the embodiments of the present application are not limited thereto.

[0183] Optionally, the first transmit power value may be understood as: when the power of the receiving end device receiving the perception signal is greater than or equal to the first target receive power value, the transmit power value required when sending the perception signal (for example, the first transmit power value may be PT ToUE denoted by ). Or the first transmission power value can also be understood as the actual power value of sending the perception signal. For example: when a perception signal is sent to other devices (such as other terminals or network devices, etc.), if the terminal expects to receive the perception signal, then PT ToUE Indicates the transmission power that other devices need to meet when sending perception signals to ensure that the power of the terminal receiving the perception signal is greater than or equal to P0 target_UE Or, after the terminal sends a perception signal, the perception signal undergoes air interface attenuation and / or reflection, and the terminal expects to receive the perception signal, then PT ToUEThat is, it indicates the transmission power that the terminal needs to meet when sending the perception signal, so that after the perception signal is attenuated by the air interface and / or reflected by the object, the power of the perception signal received by the terminal is greater than or equal to P0. target_UE or, when the terminal sends a perception signal, if other devices (such as other terminals or network devices, etc.) expect to receive the perception signal, then PT ToUE That is, it indicates the transmission power that the terminal needs to meet when sending the perception signal to ensure that the power of other devices receiving the perception signal is greater than or equal to P0. target_UE .

[0184] Step 33: The terminal determines a first wireless resource according to the first transmit power value.

[0185] For example, the terminal may determine the first wireless resource according to the relationship between the first transmit power value and the reference power value. ToUE When it is greater than or equal to the reference power value, it means that the sent sensing signal has a relatively large interference on other devices. At this time, the network device side can allocate the sending and / or receiving resources of the sensing signal to reduce the interference on other devices. ToUE When it is less than the reference power value, it means that the sent perception signal has little interference to other devices. At this time, the terminal can determine the transmission and / or reception resources of the perception signal by itself to reduce signaling overhead and reduce the transmission delay of the perception signal. The other devices here can refer to network devices (such as gNB or perception server, etc.) or other terminals.

[0186] Step 34: The terminal sends and / or receives the perception signal on the first wireless resource.

[0187] In the above scheme, the terminal determines the first sending power value for sending the perception signal based on the first target receiving power value of the received perception signal, and determines the first wireless resource for sending and / or receiving the perception signal based on the first sending power value, so as to send and / or receive the perception signal on the first wireless resource. This can reduce the signaling overhead of the sending and / or receiving resources for the perception signal allocated by the network device, and reduce the transmission delay of the perception signal, thereby solving the problems of high resource consumption and high delay in the current transmission of the perception signal.

[0188] Optionally, the terminal determines, according to the first target received power value, a first transmit power value of the perception signal, including but not limited to one of the following methods:

[0189] Method 1: The terminal determines the first transmit power value based on the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path, and a first parameter value related to frequency domain resources occupied by the perception signal.

[0190] It should be noted that the terminal can determine the first transmit power value according to the first target receive power value and the first set; wherein the first set may include the path loss value of the first path, the first parameter value related to the frequency domain resources occupied by the perception signal, or may also include other power-related parameter values, etc. That is, the terminal can determine the first transmit power value according to the first target receive power value, the path loss value of the first path, and the first parameter value; or the terminal can also determine the first transmit power value according to the first target receive power value, the path loss value of the first path, the first parameter value, and other power-related parameter values, and the embodiments of the present application are not limited thereto.

[0191] For example, taking the example that the terminal determines the first transmit power value according to the first target receive power value, the path loss value of the first path, and the first parameter value, the specific method for determining the first transmit power value is as follows: determining the first transmit power value according to the sum of the first target receive power value, the path loss value of the first path, and the first parameter value, such as the following formula:

[0192] PT ToUE =P0 target_UE +f(RB hum )+PL ue-ue

[0193] Among them, PL ue-ue is the path loss value of the first path, f(RB hum ) is the first parameter value, where f(RB hum ) can also be understood as the function value of the function related to the frequency domain resources occupied by the perception signal.

[0194] Method 2: The terminal determines the first transmit power value according to the first target receive power value and a second set, where the second set at least includes: a path loss value of the first path.

[0195] It should be noted that the terminal can determine the first transmit power value according to the first target receive power value and the second set; wherein the second set may include the path loss value of the first path, or may also include other power-related parameter values. That is, the terminal can determine the first transmit power value according to the first target receive power value and the path loss value of the first path; or the terminal can also determine the first transmit power value according to the first target receive power value, the path loss value of the first path, and other power-related parameter values, etc., and the embodiments of the present application are not limited thereto.

[0196] For example, taking the example that the terminal determines the first transmit power value according to the first target receive power value and the path loss value of the first path, the specific method for determining the first transmit power value is as follows: determining the first transmit power value according to the sum of the first target receive power value and the path loss value of the first path, such as the following formula:

[0197] PT ToUE =P0 target_UE +PL ue-ue

[0198] Among them, PL ue-ue is the path loss value of the first path.

[0199] Optionally, the first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal. For example: when a perception signal is sent to other devices, and the terminal expects to receive the perception signal (that is, the other device is a signal transmitting end, and the terminal is a first signal receiving end), the first path is the path that the perception signal passes through from the other device to the terminal; or, after the terminal sends a perception signal, the perception signal passes through an air interface attenuation and reflection process, and the terminal expects to receive the perception signal (that is, the terminal is both the signal transmitting end and the first signal receiving end), the first path is the path that the perception signal passes through from the terminal to the terminal after passing through a reflecting object; or, when the terminal sends a perception signal, and other devices expect to receive the perception signal (that is, the terminal is the signal transmitting end, and the other devices are the first signal receiving end), the first path is the path that the perception signal passes through from the terminal to the other device.

[0200] Optionally, the path loss value of the first path is less than or equal to a preset path loss value; wherein the preset path loss value is determined at least by the farthest perception distance supported by the perception service, RCS, and the transmission frequency band of the perception signal. In other words, the preset path loss value can be determined by the farthest perception distance supported by the perception service, RCS, and the transmission frequency band of the perception signal, or by the farthest perception distance supported by the perception service, RCS, and the transmission frequency band of the perception signal, and other path loss related parameters, etc., and the embodiments of the present application are not limited thereto.

[0201] For example, taking the case where the preset path loss value is determined by the farthest sensing distance supported by the sensing service, the RCS, and the transmission frequency band of the sensing signal, the preset path loss value may be specifically determined by the following formula:

[0202] PL max =PL(L)+PL(β*L)+-10lg(RCS)

[0203] Among them, PL max is the preset path loss value, PL() is the path loss calculation formula related to distance, for example: PL(L) is the path loss value at distance L, PL(L)=32,4+17.3Log 10 (L)+20Log 10 (f c ), f c is the carrier frequency of the sent sensing signal; PL(β*L) is the path loss value of the distance β*L, and β*L is the path length of the reflected echo.

[0204] For example, when the path loss value of the first path is less than or equal to the preset path loss value, the path loss value of the first path can be determined based on the measured path loss value of the first path and the preset path loss value. For example, the path loss value of the first path is determined by the following formula:

[0205] PL ue-ue =min(αPL ue-SS ,PL max )

[0206] Among them, PL ue-ue is the path loss value of the first path; PL ue-SS The measured path loss value, for example: the terminal cannot obtain the PL ue-SS If the relevant perception signal has not been sent, the PL ue-SS Set to infinity; PL max is a preset path loss value, and α is a weighting factor. For example, the weighting factor may be indicated by a network device side, or determined based on a perceived service. The embodiments of the present application are not limited thereto.

[0207] Optionally, the terminal determines, according to the first transmit power value, a first radio resource, including:

[0208] The terminal determines a second target received power value of the perception signal;

[0209] The terminal determines a second transmit power value of the perception signal according to the two target receive power values;

[0210] The terminal determines a first wireless resource according to a magnitude relationship between the first transmit power value and the second transmit power value.

[0211] Optionally, the second target received power value is a power threshold value for sensing interference generated by the signal (for example, the second target received power value may be P0 target_gNB For example: the P0 target_gNBThat is, the power value of the perception signal sent by the terminal, after the air interface attenuation and / or reflection process, received by the network device. Here, since the network device is not the expected receiving end of the perception signal, that is, when the perception signal is received by the network device, it will interfere with the network device. In other words, the P0 target_gNB It can be understood as the interference level caused to network equipment (such as service base stations, etc.) when the terminal sends a perception signal.

[0212] Optionally, the second target received power value is configured or indicated by the network device side, or the second target received power value is agreed upon by a protocol. For example: in the case where the second target received power value is configured or indicated by the network device side, the network device may send second indication information to the terminal, and the second indication information is used to indicate the second target received power value. For example, the second target received power value configured or indicated by the network device may be an absolute value (for example, the value range of the second target received power value may be -220dBm to -90dBm), or the second target received power value configured or indicated by the network device may be a power threshold value for sensing interference generated by the signal and a target power value P0 for communication. target_C The difference between them is also called offset (for example: P0 target_gNB =P0 target_C -offset; where P0 target_C It can be the target power value indicated in the communication system in the prior art. When the network device side does not configure the second target receiving power value, the terminal can determine the second target receiving power value as a default value based on the protocol agreement, such as the default value is set to -120dBm, etc., and the embodiments of the present application are not limited thereto.

[0213] Optionally, the second transmission power value may be understood as: when the receiving end device receives the perception signal, the transmission power value of the perception signal when it is sent (for example, the second transmission power value may be in the form of PT TogNB Or the second transmission power value can also be understood as a reference power value for sending the perception signal, that is, when sending the perception signal, it is satisfied to avoid interference to other devices (here, other devices are non-expected receiving devices of the perception signal).

[0214] Optionally, the terminal determines, according to the second target received power value, a second transmit power value of the perception signal, including but not limited to one of the following methods:

[0215] Method 1: The terminal determines the second transmit power value based on the second target receive power value and a third set, and the third set includes at least: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal.

[0216] It should be noted that the terminal can determine the second transmit power value according to the second target receive power value and the third set; wherein the third set may include the path loss value of the second path, the first parameter value related to the frequency domain resources occupied by the perception signal, or may also include other power-related parameter values, etc. That is, the terminal can determine the second transmit power value according to the second target receive power value, the path loss value of the second path, and the first parameter value; or the terminal can also determine the second transmit power value according to the second target receive power value, the path loss value of the second path, the first parameter value, and other power-related parameter values, etc., and the embodiments of the present application are not limited thereto.

[0217] For example, taking the example that the terminal determines the second transmit power value according to the second target receive power value, the path loss value of the second path, and the first parameter value, the specific method for determining the second transmit power value is as follows: determining the second transmit power value according to the second target receive power value, the path loss value of the second path, and the sum of the first parameter values, such as the following formula:

[0218] PT TogNB =P0 target_gNB +f(RB hum )+PL ue-gNB

[0219] Among them, PL ue-gNB is the path loss value of the second path, f(RB hum ) is the first parameter value, where f(RB hum ) can also be understood as the function value of the function related to the frequency domain resources occupied by the perception signal.

[0220] Method 2: The terminal determines the second transmit power value according to the second target receive power value and a fourth set, wherein the fourth set includes at least: a path loss value of the second path, the first parameter value, and a first gain value.

[0221] It should be noted that the terminal can determine the second transmit power value according to the second target receive power value and the fourth set; wherein the fourth set may include the path loss value of the second path, the first parameter value related to the frequency domain resources occupied by the perception signal, the first gain value, or may also include other power-related parameter values, etc. That is, the terminal can determine the second transmit power value according to the second target receive power value, the path loss value of the second path, the first parameter value, and the first gain value; or the terminal can also determine the second transmit power value according to the second target receive power value, the path loss value of the second path, the first parameter value, the first gain value, and other power-related parameter values, and the embodiments of the present application are not limited thereto.

[0222] For example, taking the example that the terminal determines the second transmit power value according to the second target receive power value, the path loss value of the second path, the first parameter value, and the first gain value, the specific method for determining the second transmit power value is as follows: determining the second transmit power value according to the sum of the second target receive power value, the path loss value of the second path, the first parameter value, and the first gain value, as shown in the following formula:

[0223] PT TogNB =P0 target_gNB +f(RB hum )+PL ue-gNB +g(θ d )

[0224] Among them, PL ue-gNB is the path loss value of the second path, g(θ d ) is the first gain value, f(RB hum ) is the first parameter value, where f(RB hum ) can also be understood as the function value of the function related to the frequency domain resources occupied by the perception signal.

[0225] Mode three: The terminal determines the second transmit power value according to the second target receive power value and a fifth set, and the fifth set includes at least: a path loss value of the second path.

[0226] It should be noted that the terminal can determine the second transmit power value according to the second target receive power value and the fifth set; wherein the fifth set may include the path loss value of the second path, or may also include other power-related parameter values, etc. That is, the terminal can determine the second transmit power value according to the second target receive power value and the path loss value of the second path; or the terminal can also determine the second transmit power value according to the second target receive power value, the path loss value of the second path, and other power-related parameter values, etc., and the embodiments of the present application are not limited thereto.

[0227] For example, taking the example that the terminal determines the second transmit power value according to the second target receive power value and the path loss value of the second path, the specific method for determining the second transmit power value is as follows: determining the second transmit power value according to the sum of the second target receive power value and the path loss value of the second path, such as the following formula:

[0228] PT TogNB =P0 target_gNB +PL ue-gNB

[0229] Among them, PL ue-gNB is the path loss value of the second path.

[0230] Optionally, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal, or the second signal receiving end can also be understood as an undesired receiving end of the perception signal. For example: when a perception signal is sent to a terminal, and the perception signal is received by a network device after air interface attenuation and / or reflection (that is, the terminal is the signal transmitting end, and the network device is the second signal receiving end), the second path is the path that the perception signal passes through from the terminal to the network device.

[0231] Optionally, the path loss value of the second path may be determined by a first reference signal;

[0232] The first reference signal includes at least one of the following:

[0233] Reference signals configured for sensing services;

[0234] A reference signal used to determine the PUCCH transmit power;

[0235] A reference signal used to determine PUSCH transmit power;

[0236] Used to obtain the synchronization signal block of the MIB.

[0237] For example: the terminal can be indexed as q d The reference signal (i.e., the first reference signal, i.e., the one with index number q d The reference signal may be a reference signal configured for the perception service, or when the network device does not specifically configure a reference signal for the perception service, the index number is q d The reference signal may also be a reference signal q used to calculate the PUCCH transmit power. d , or the reference signal q used to calculate the PUSCH transmit power d , or for obtaining a synchronization signal block of the MIB, etc.). For example, the terminal may obtain the index number q indicated by the network device. d The difference between the transmission power of the reference signal and the reception power of the reference signal is determined as the path loss value of the second path, and the unit of the path loss value of the second path is dB.

[0238] Optionally, the first gain value is a gain value of a beam direction difference between a signal sent by the terminal receiving the second signal and a beam direction difference between a signal received by the terminal and a perceived signal received by the terminal. For example, the first gain value is less than or equal to a reference gain value, which may be indicated by a network device or determined based on a beam gain, etc., and the embodiments of the present application are not limited thereto.

[0239] For example, if Figure 4As shown, the terminal can receive the second signal receiving end according to the terminal (Note: Figure 4 The beam direction difference between the signal sent by the network device and the signal received by the terminal is used to calculate a gain value. Considering that the unit of the gain value is dB, it is necessary to perform an equivalent conversion on the beam direction difference when calculating the gain value, for example, according to Equivalently converted into the gain value corresponding to the above beam direction difference, the first gain value can be determined by the following formula:

[0240]

[0241] Among them, g(θ d ) is the first gain value.

[0242] θ d is the beam direction difference between the signal sent by the receiving end of the second signal received by the terminal and the perceived signal received by the terminal. Here θ d =θ ue-ue -θ gNB-ue , where θ ue-ue That is, the beam direction of the terminal receiving the sensing signal, θ gNB-ue That is, the beam direction of the signal sent by the second signal receiving end is received by the terminal. d = 0, indicating that the two beams have the same direction, θ d =π means the two beams are in opposite directions. ue-ue and θ gNB-ue The terminal can determine it by itself according to the beam direction of the signal sent by the receiving network device and the received perception signal.

[0243] θ XdB is the angle value corresponding to the gain attenuation of XdB, and X is a constant value (for example, as an example, X is 3, of course, X can also be set to other values, etc., and the embodiment of the present application is not limited to this). Here θ XdB Or X can be configured or indicated by the network device side; or, θ XdB Or X is set according to beam gain, etc., and the embodiments of the present application are not limited thereto.

[0244] G m is the reference gain value. Here G m It can also be indicated by the network device side or determined according to the beam gain, for example, setting G m =20dB, but the embodiments of the present application are not limited thereto.

[0245] It should be noted that: the above description θ d, is essentially the difference between the optimal beam direction of the transmitted beam (i.e., the direction with the largest gain) and the directional angle of the sensing signal to the second signal receiving end (such as a network device) when the terminal sends a directional sensing signal beam. Considering the reciprocity of the spatial channel, θ in the embodiment of the present application is d It is described by the directional difference between the two receiving beams.

[0246] Optionally, when determining the first transmit power value and / or determining the second transmit power value, the first parameter value used may be determined in the following manner:

[0247] The first parameter value is determined by the number of RBs occupied by the perception signal in the frequency domain;

[0248] or,

[0249] The first parameter value is determined by the number of REs occupied by the perception signal in the frequency domain.

[0250] For example: the first reference value can be determined according to a function related to the number of RBs in the frequency domain occupied by the perception signal (for example, the function takes the number of RBs as a variable, and the value of the function is the first parameter value), or the first reference value can be determined according to a function related to the number of REs in the frequency domain occupied by the perception signal (for example, the function takes the number of REs as a variable, and the value of the function is the first parameter value), etc. The embodiments of the present application are not limited to this.

[0251] Optionally, the first parameter value is determined by the number of RBs occupied by the perception signal in the frequency domain, including:

[0252] The first parameter value is determined by the following formula:

[0253]

[0254] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

[0255] For example, when resource allocation is performed in units of RB in the frequency domain of the perception signal, the above formula can be used: The first parameter value is determined. The unit of the first parameter value is decibel milliwatt (dBm). For scheduling flexibility, the function f(RB hum ) times a factor a d , the factor a d It can be determined based on the perceived service, or can be configured or indicated by the network device side, or can be determined by the terminal itself based on the perceived service quality requirements, etc., and the embodiments of the present application are not limited thereto.

[0256] Optionally, the first parameter value is determined by the number of REs occupied by the perception signal in the frequency domain, including:

[0257] The first parameter value is determined by the following formula:

[0258]

[0259] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

[0260] For example, when resource allocation is performed in units of RE in the frequency domain of the perception signal, the above formula can be used: Determine the first reference value. 12 REs form one RB. The unit of the first parameter value is decibel milliwatt (dBm). For scheduling flexibility, the function f(RB hum ) times a factor a d , the factor a d It can be determined based on the perceived service, or can be configured or indicated by the network device side, or can be determined by the terminal itself based on the perceived service quality requirements, etc., and the embodiments of the present application are not limited thereto.

[0261] Optionally, as an implementation manner: the terminal determines the first radio resource according to a magnitude relationship between the first transmit power value and the second transmit power value, including:

[0262] When the first transmit power value is greater than or equal to the second transmit power value, the terminal determines the wireless resource indicated by the network device side as the first wireless resource; for example, the network device side indicates a specific wireless resource as the first wireless resource.

[0263] and / or,

[0264] When the first transmission power value is less than the second transmission power value, the terminal determines the first wireless resource by itself; for example, the terminal determines the first wireless resource by itself from a plurality of wireless resources configured or indicated by a network device side.

[0265] Optionally, as another implementation manner: the terminal determines the first radio resource according to a magnitude relationship between the first transmit power value and the second transmit power value, including:

[0266] The terminal determines a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value;

[0267] The terminal determines the first wireless resource according to the wireless resource acquisition method.

[0268] For example, the resource acquisition method may include but is not limited to at least one of the following:

[0269] The first acquisition method is that the network device side indicates the first wireless resource; for example, the network device side indicates that a specific wireless resource is the first wireless resource.

[0270] The second acquisition method is that the terminal determines the first wireless resource by itself; for example, the terminal determines the first wireless resource by itself from multiple wireless resources configured or indicated by the network device side.

[0271] Optionally, the terminal determines the first radio resource according to a magnitude relationship between the first transmit power value and the second transmit power value, including:

[0272] When the first transmit power value is greater than or equal to the second transmit power value, the terminal determines that the wireless resource acquisition method is the first acquisition method; wherein the first acquisition method is the network device side indicating the first wireless resource; for example: the network device side indicates a specific wireless resource as the first wireless resource.

[0273] and / or,

[0274] When the first transmission power value is less than the second transmission power value, the terminal determines the wireless resource acquisition method as the second acquisition method; wherein the second acquisition method is that the terminal determines the first wireless resource by itself; for example: the terminal determines the first wireless resource by itself from multiple wireless resources configured or indicated by the network device side.

[0275] The first acquisition mode (Mode-1) may also be referred to as a determination mode of limited uplink resources. Figure 5a As shown, the power of the sensing signal sent by the terminal or other device when it reaches the network device is higher than a certain threshold value (such as greater than or equal to P0 target_gNB ), if the terminal determines the wireless resource for sending the perception signal by itself, it may cause greater interference to the uplink reception of the network device. In order to reduce this interference, the terminal can use Mode-1 to determine the first wireless resource for sending and / or receiving the perception signal, that is, the network device side indicates a specific wireless resource (for example, when the specific wireless resource is allocated to the terminal for sending the perception signal on the network device side, it is no longer allocated to other terminals, so as to avoid interference with the uplink reception of the network device) as the first wireless resource. At this time, the terminal only sends the perception signal on the wireless resource specified by the network device side.

[0276] The second acquisition mode (Mode-2) can also be called the free uplink resource determination mode. For example, Figure 5b As shown, the power of the sensing signal sent by the terminal or other device when it reaches the network device is lower than a certain threshold value (such as less than P0 target_gNB ), at this time, the interference level of the perception signal sent by the terminal to the base station is low, that is, the interference to the uplink reception of the network device is small. At this time, the terminal can use Mode-2 to determine the first wireless resource for sending and / or receiving the perception signal, that is, the terminal can select wireless resources by itself in the resource set or resource pool of the perception signal configured or indicated by the network device. For example, the terminal can select any wireless resource in the resource set or resource pool to send and / or receive the perception signal without the network device specifying the wireless resource process.

[0277] It should be noted that in the embodiments of the present application, when the first wireless resource is determined according to the magnitude relationship between the first transmission power value and the second transmission power value; or, when the wireless resource acquisition method is determined according to the magnitude relationship between the first transmission power value and the second transmission power value: the first transmission power value may adopt the above-mentioned method 1 or method 2 for determining the first transmission power value, and the second transmission power value may adopt the above-mentioned method 1, method 2 or method 3 for determining the second transmission power value. Optionally, considering that the same first parameter value is involved in the method 2 for determining the first transmission power value and the method 3 for determining the second transmission power value, the first wireless resource or the wireless resource acquisition method may be determined by adopting the magnitude relationship between the first transmission power value and the second transmission power value, and the embodiments of the present application are not limited thereto.

[0278] Optionally, the terminal sending the perception signal on the first radio resource includes:

[0279] The terminal sends a perception signal using the first transmit power value or the second transmit power value on a first radio resource;

[0280] The terminal receives an echo signal after the sensing signal is reflected;

[0281] The terminal adjusts the first transmit power value or the second transmit power value according to the receive power value of the echo signal;

[0282] The terminal sends a perception signal on the first wireless resource using the adjusted first transmission power value or the adjusted second transmission power value.

[0283] Specifically, when the terminal is performing a perception service (for example, when a perception object is detected and tracked), when the terminal sends the perception signal on the first wireless resource, the transmit power PT of the sent perception signal may be set according to the actually detected reflection signal (or echo signal). ToUE For example, the terminal starts to send the perception signal from the initial transmission power P_T; wherein the initial transmission power P_T is the first transmission power value or the second transmission power value. Further, the terminal receives the reflection signal (or echo signal) of the perception signal, and calculates the receiving power value P_R according to the reflection signal (or echo signal). The terminal gradually increases or decreases the transmission power P_T of the perception signal according to P_R until P_R and P_T are equal. target_UE The difference meets certain conditions (such as P_R and P0 target_UE The difference between them is within a first numerical range of delta1 to delta2, where delta1 and delta2 can be configured or indicated by the network device side).

[0284] Optionally, the manner in which the terminal determines whether to send the perception signal at the first transmit power value or the second transmit power value on the first radio resource includes:

[0285] The terminal determines to send a perception signal at the first transmit power value on the first radio resource;

[0286] or,

[0287] The terminal determines to send a perception signal at the second transmit power value on the first radio resource;

[0288] or,

[0289] The terminal determines to send a perception signal at a smaller value between the first transmit power value and the second transmit power value on the first radio resource;

[0290] or,

[0291] The terminal determines to send a perception signal on the first radio resource using a larger one of the first transmit power value and the second transmit power value.

[0292] Optionally, the terminal adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal includes:

[0293] When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the terminal adjusts the first transmission power value or the second transmission power value according to the first step.

[0294] For example, the first numerical range is delta1 to delta2. Optionally, the first numerical range is configured or indicated by the network device side, such as delta1 and delta2 are configured or indicated by the network device side.

[0295] Optionally, the first step length is the maximum value and / or the minimum value in the first value range. For example: when the difference between the received power value of the echo signal and the first target received power value is greater than delta1, the transmit power P_T can be gradually reduced according to the first step length of delta1; and / or, when the difference between the received power value of the echo signal and the first target received power value is less than delta2, the transmit power P_T can be gradually increased according to the first step length of delta2.

[0296] like Figure 6 As shown, the process of the terminal sending the perception signal on the first wireless resource is as follows:

[0297] Set the initial transmission power P_T = P_init; where P_init can be the first transmission power value PT calculated by the above formula ToUE , or the second transmission power value PT TogNB ;

[0298] The terminal starts sending signals from the power value P_init;

[0299] The terminal receives the reflected signal of the sensing signal, calculates the received power P_R based on the received reflected signal, and determines whether P_R>P0_target_UE+delta1

[0300] If yes, the transmission power is redetermined according to P_T=P_T-delta1, and the perception signal is continued to be sent according to the redetermined transmission power P_T;

[0301] If not, continue to determine whether P_R <P0_target_UE-delta2;

[0302] If yes, the transmission power is redetermined according to P_T=P_T+delta2, and the perception signal is continued to be sent according to the redetermined transmission power P_T;

[0303] If no, the process ends.

[0304] In an embodiment of the present application, the terminal can determine the "appropriate" perception signal transmission power, and the terminal can determine the first wireless resource for sending and / or receiving the perception signal based on the transmission power, so that the terminal can ensure the service quality of the perception signal in terms of transmission power and resource selection, while also reducing the amount of information interaction between the terminal and the network device, and can also facilitate rapid determination of perception resources and save power consumption.

[0305] The network device involved in the embodiments of the present application may be a base station or a perception server. For example, the base station may include multiple cells that provide services for the terminal. Depending on the specific application scenario, the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names. The network device may be used to interchange received air frames with Internet Protocol (IP) packets, and serve as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network. The network device may also coordinate the attribute management of the air interface. For example, the network device involved in the embodiments of the present application may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (Global System for Mobile communications, GSM) or Code Division Multiple Access (Code Division Multiple Access, CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolutionary network device (evolutional Node B, eNB or e-NodeB) in the long-term evolution (long term evolution, LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a home evolved Node B (Home evolved Node B, HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., which is not limited in the embodiments of the present application. In some network structures, the network device may include a centralized unit (CU) node and a distributed unit (DU) node, and the centralized unit and the distributed unit may also be arranged geographically separately.

[0306] The terminal involved in the embodiment of the present application may be a device that provides voice and / or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem. In different systems, the name of the terminal device may also be different. For example, in a 5G system, the terminal device may be called a user equipment (UE). A wireless terminal device can communicate with one or more core networks (CN) via a radio access network (RAN). The wireless terminal device may be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device. For example, it may be a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device that exchanges language and / or data with a wireless access network. For example, personal communication service (PCS) phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDAs) and other devices. The wireless terminal device may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, an access point, a remote terminal device, an access terminal device, a user terminal device, a user agent, and a user device, but is not limited in the embodiments of the present application.

[0307] The above embodiments introduce the signal processing method of the present application. The following embodiments will further illustrate the corresponding device and terminal in conjunction with the accompanying drawings.

[0308] like Figure 7 As shown, an embodiment of the present application provides a terminal, including a memory 71, a transceiver 72, and a processor 73; wherein the memory 71 is used to store a computer program; the transceiver 72 is used to send and receive data under the control of the processor 73; the transceiver 72 is used to receive and send data under the control of the processor 73; the processor 73 is used to read the computer program in the memory 71 and perform the following operations:

[0309] Determining a first target received power value of the perception signal;

[0310] Determining a first transmit power value of the perception signal according to the first target receive power value;

[0311] determining a first wireless resource according to the first transmit power value;

[0312] The perception signal is sent and / or received on the first radio resource.

[0313] Optionally, the first target received power value is an expected target power value for receiving a perception signal;

[0314] The first target receiving power value is configured by the network device side or agreed upon by a protocol.

[0315] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0316] Determine the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0317] or,

[0318] Determine the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of the first path;

[0319] The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

[0320] Optionally, the path loss value of the first path is less than or equal to a preset path loss value;

[0321] The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, the radar cross-sectional area RCS, and the transmission frequency band of the sensing signal.

[0322] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0323] Determining a second target received power value of the perception signal;

[0324] Determining a second transmit power value of the perception signal according to the two target receive power values;

[0325] A first wireless resource is determined according to a magnitude relationship between the first transmit power value and the second transmit power value.

[0326] Optionally, the second target received power value is a power threshold value at which the perceived signal generates interference;

[0327] The second target receiving power value is configured by the network device side or agreed upon by a protocol.

[0328] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0329] Determine the second transmit power value according to the second target receive power value and a third set, where the third set includes at least: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0330] or,

[0331] Determine the second transmit power value according to the second target receive power value and a fourth set, wherein the fourth set includes at least: a path loss value of the second path, the first parameter value, and a first gain value;

[0332] or,

[0333] Determine the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path;

[0334] Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by a receiving network device and a received perception signal.

[0335] Optionally, the path loss value of the second path is determined by a first reference signal;

[0336] The first reference signal includes at least one of the following:

[0337] Reference signals configured for sensing services;

[0338] A reference signal used to determine the transmit power of the physical uplink control channel PUCCH;

[0339] A reference signal used to determine the transmit power of the physical uplink shared channel PUSCH;

[0340] A synchronization signal block used to obtain the master information block MIB.

[0341] Optionally, the first gain value is determined by the following formula:

[0342]

[0343] Among them, g(θd ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, G m is the reference gain value, θ d It is the difference in beam direction between the signal sent by the receiving network device and the received sensing signal.

[0344] Optionally, the first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain;

[0345] or,

[0346] The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain.

[0347] Optionally, the first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain, including:

[0348] The first parameter value is determined by the following formula:

[0349]

[0350] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

[0351] Optionally, the first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain, including:

[0352] The first parameter value is determined by the following formula:

[0353]

[0354] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

[0355] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0356] Determining a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value;

[0357] The first wireless resource is determined according to the wireless resource acquisition method.

[0358] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0359] When the first transmit power value is greater than or equal to the second transmit power value, determining that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource;

[0360] and / or,

[0361] In the case where the first transmission power value is less than the second transmission power value, the wireless resource acquisition method is determined to be the second acquisition method; wherein the second acquisition method is to determine the first wireless resource by itself.

[0362] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0363] Sending a perception signal at the first transmit power value or the second transmit power value on a first radio resource;

[0364] Receiving an echo signal after the sensing signal is reflected;

[0365] adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal;

[0366] The perception signal is sent on the first wireless resource with the adjusted first transmission power value or the adjusted second transmission power value.

[0367] Optionally, the processor 73 is configured to read the computer program in the memory 71 and perform the following operations:

[0368] When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the first transmission power value or the second transmission power value is adjusted according to the first step.

[0369] Optionally, the first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

[0370] Among them, Figure 7In the embodiment, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 73 and various circuits of memory represented by memory 71 are linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and are therefore not further described herein. The bus interface provides an interface. The transceiver 72 may be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, including wireless channels, wired channels, optical cables, and other transmission media. For different user devices, the user interface 74 may also be an interface capable of externally and internally connecting required devices, and the connected devices include but are not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.

[0371] The processor 73 is responsible for managing the bus architecture and general processing, and the memory 71 can store data used by the processor 73 when performing operations.

[0372] Optionally, the processor 73 may be a CPU (central processing unit), an ASIC (Application Specific Integrated Circuit), an FPGA (Field-Programmable Gate Array) or a CPLD (Complex Programmable Logic Device), and the processor may also adopt a multi-core architecture.

[0373] The processor calls the computer program stored in the memory to execute any of the methods provided in the embodiments of the present application according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

[0374] It should be noted here that the above-mentioned device provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned signal processing method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those in the method embodiment will not be described in detail here.

[0375] like Figure 8 As shown, the embodiment of the present application further provides a terminal 800, including:

[0376] The first processing unit 810 is configured to determine a first target received power value of the perception signal;

[0377] A second processing unit 820 is configured to determine a first transmit power value of the perception signal according to the first target receive power value;

[0378] A third processing unit 830 is configured to determine a first wireless resource according to the first transmit power value;

[0379] The transceiver unit 840 is configured to send and / or receive the perception signal on the first wireless resource.

[0380] Optionally, the first target received power value is an expected target power value for receiving a perception signal;

[0381] The first target receiving power value is configured by the network device side or agreed upon by a protocol.

[0382] Optionally, the second processing unit 820 is further configured to:

[0383] Determine the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0384] or,

[0385] Determine the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of the first path;

[0386] The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

[0387] Optionally, the path loss value of the first path is less than or equal to a preset path loss value;

[0388] The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, the radar cross-sectional area RCS, and the transmission frequency band of the sensing signal.

[0389] Optionally, the third processing unit 830 is further configured to:

[0390] Determining a second target received power value of the perception signal;

[0391] Determining a second transmit power value of the perception signal according to the two target receive power values;

[0392] A first wireless resource is determined according to a magnitude relationship between the first transmit power value and the second transmit power value.

[0393] Optionally, the second target received power value is a power threshold value at which the perceived signal generates interference;

[0394] The second target receiving power value is configured by the network device side or agreed upon by a protocol.

[0395] Optionally, the third processing unit 830 is further configured to:

[0396] Determine the second transmit power value according to the second target receive power value and a third set, where the third set includes at least: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal;

[0397] or,

[0398] Determine the second transmit power value according to the second target receive power value and a fourth set, wherein the fourth set includes at least: a path loss value of the second path, the first parameter value, and a first gain value;

[0399] or,

[0400] Determine the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path;

[0401] Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by the second signal receiving end and a beam direction difference between a signal received by the terminal and a signal received by the terminal.

[0402] Optionally, the path loss value of the second path is determined by a first reference signal;

[0403] The first reference signal includes at least one of the following:

[0404] Reference signals configured for sensing services;

[0405] A reference signal used to determine the transmit power of the physical uplink control channel PUCCH;

[0406] A reference signal used to determine the transmit power of the physical uplink shared channel PUSCH;

[0407] A synchronization signal block used to obtain the master information block MIB.

[0408] Optionally, the first gain value is determined by the following formula:

[0409]

[0410] Among them, g(θ d ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, G m is the reference gain value, θ dThe difference in beam direction between the signal sent by the terminal and the perceived signal received by the terminal is determined by the terminal.

[0411] Optionally, the first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain;

[0412] or,

[0413] The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain.

[0414] Optionally, the first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain, including:

[0415] The first parameter value is determined by the following formula:

[0416]

[0417] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

[0418] Optionally, the first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain, including:

[0419] The first parameter value is determined by the following formula:

[0420]

[0421] Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

[0422] Optionally, the third processing unit 830 is further configured to:

[0423] Determining a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value;

[0424] The first wireless resource is determined according to the wireless resource acquisition method.

[0425] Optionally, the third processing unit 830 is further configured to:

[0426] When the first transmit power value is greater than or equal to the second transmit power value, determining that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource;

[0427] and / or,

[0428] In the case where the first transmission power value is less than the second transmission power value, the wireless resource acquisition method is determined to be the second acquisition method; wherein the second acquisition method is that the terminal determines the first wireless resource by itself.

[0429] Optionally, the transceiver unit 840 is further configured to:

[0430] Sending a perception signal at the first transmit power value or the second transmit power value on a first radio resource;

[0431] Receiving an echo signal after the sensing signal is reflected;

[0432] adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal;

[0433] The perception signal is sent on the first wireless resource with the adjusted first transmission power value or the adjusted second transmission power value.

[0434] Optionally, the transceiver unit 840 is further configured to:

[0435] When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the first transmission power value or the second transmission power value is adjusted according to the first step.

[0436] Optionally, the first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

[0437] It should be noted that the division of units in the embodiments of the present application is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present application may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0438] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0439] It should be noted here that the above-mentioned terminal provided in the embodiment of the present application can implement all the method steps implemented in the above-mentioned signal processing method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

[0440] An embodiment of the present application also provides a processor-readable storage medium, which stores a computer program. The computer program is used to enable the processor to execute the steps of the above-mentioned signal processing method and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as those of the method embodiment will not be described in detail here.

[0441] The processor-readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disks, hard disks, magnetic tapes, magneto-optical disks (MO), etc.), optical storage (such as CD, DVD, BD, HVD, etc.), and semiconductor storage (such as ROM, EPROM, EEPROM, non-volatile memory (NANDFLASH), solid-state drive (SSD)), etc.

[0442] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) that contain computer-usable program code.

[0443] The present application is described with reference to the flowchart and / or block diagram of the method, device (system) and computer program product according to the embodiment of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, and the combination of the process and / or box in the flowchart and / or block diagram can be implemented by computer executable instructions. These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the function specified in one process or multiple processes in the flowchart and / or one box or multiple boxes in the block diagram.

[0444] These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0445] These processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and / or one or more boxes in the block diagram.

[0446] In addition, it should be noted that in the device and method of the present application, it is obvious that each component or each step can be decomposed and / or recombined. These decompositions and / or recombinations should be regarded as equivalent schemes of the present application. In addition, the steps of performing the above-mentioned series of processes can be naturally performed in chronological order according to the order of description, but it is not necessary to perform in chronological order, and some steps can be performed in parallel or independently of each other. For those of ordinary skill in the art, it is possible to understand that all or any steps or components of the method and device of the present application can be implemented in any computing device (including processors, storage media, etc.) or a network of computing devices with hardware, firmware, software or a combination thereof, which can be realized by those of ordinary skill in the art using their basic programming skills after reading the description of the present application.

[0447] Obviously, those skilled in the art can make various changes and modifications to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is also intended to include these modifications and variations.

Claims

1. A signal processing method, characterized in that: include: The terminal determines a first target received power value of the perception signal; Determining, by the terminal, a first transmit power value of the perception signal according to the first target receive power value; The terminal determines a first wireless resource according to the first transmit power value; The terminal sends and / or receives the perception signal on the first radio resource.

2. The signal processing method according to claim 1, characterized in that: The first target received power value is an expected target power value for receiving the perception signal; The first target receiving power value is configured by the network device side or agreed upon by a protocol.

3. The signal processing method according to claim 1 or 2, characterized in that: The terminal determines, according to the first target received power value, a first transmit power value of the perception signal, including: The terminal determines the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to frequency domain resources occupied by the perception signal; or, The terminal determines the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of a first path; The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

4. The signal processing method according to claim 3, characterized in that: The path loss value of the first path is less than or equal to a preset path loss value; The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, the radar cross-sectional area RCS, and the transmission frequency band of the sensing signal.

5. The signal processing method according to claim 1, characterized in that: The terminal determines, according to the first transmit power value, a first radio resource, including: The terminal determines a second target received power value of the perception signal; The terminal determines a second transmit power value of the perception signal according to the two target receive power values; The terminal determines a first wireless resource according to a magnitude relationship between the first transmit power value and the second transmit power value.

6. The signal processing method according to claim 5, characterized in that: The second target received power value is a power threshold value at which the perceived signal generates interference; The second target receiving power value is configured by the network device side or agreed upon by a protocol.

7. The signal processing method according to claim 5 or 6, characterized in that: The terminal determines, according to the second target received power value, a second transmit power value of the perception signal, including: The terminal determines the second transmit power value according to the second target receive power value and a third set, where the third set at least includes: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal; or, The terminal determines the second transmit power value according to the second target receive power value and a fourth set, where the fourth set at least includes: a path loss value of the second path, the first parameter value, and a first gain value; or, The terminal determines the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path; Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by the second signal receiving end and a beam direction difference between a signal received by the terminal and a signal received by the terminal.

8. The signal processing method according to claim 7, characterized in that: The path loss value of the second path is determined by the first reference signal; The first reference signal includes at least one of the following: Reference signals configured for sensing services; A reference signal used to determine the transmit power of the physical uplink control channel PUCCH; A reference signal used to determine the transmit power of the physical uplink shared channel PUSCH; A synchronization signal block used to obtain the master information block MIB.

9. The signal processing method according to claim 7, characterized in that: The first gain value is determined by the following formula: Among them, g(θ d ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, G m is the reference gain value, θ d The difference in beam direction between the signal sent by the second signal receiving end and the perceived signal received by the terminal is determined by the terminal.

10. The signal processing method according to claim 3 or 7, characterized in that: The first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain; or, The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain.

11. The signal processing method according to claim 10, characterized in that: The first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain, including: The first parameter value is determined by the following formula: Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

12. The signal processing method according to claim 10, characterized in that: The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain, including: The first parameter value is determined by the following formula: Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

13. The signal processing method according to claim 5, characterized in that: The terminal determines a first wireless resource according to a magnitude relationship between the first transmit power value and the second transmit power value, including: The terminal determines a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value; The terminal determines the first wireless resource according to the wireless resource acquisition method.

14. The signal processing method according to claim 13, characterized in that: The terminal determines, according to a magnitude relationship between the first transmit power value and the second transmit power value, a wireless resource acquisition method, including: When the first transmit power value is greater than or equal to the second transmit power value, the terminal determines that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource; and / or, In a case where the first transmit power value is less than the second transmit power value, the terminal determines the wireless resource acquisition method as the second acquisition method; wherein the second acquisition method is that the terminal determines the first wireless resource by itself.

15. The signal processing method according to claim 5, characterized in that: The terminal sending the perception signal on the first radio resource includes: The terminal sends a perception signal using the first transmit power value or the second transmit power value on a first radio resource; The terminal receives an echo signal after the sensing signal is reflected; The terminal adjusts the first transmit power value or the second transmit power value according to the receive power value of the echo signal; The terminal sends a perception signal on the first wireless resource using the adjusted first transmission power value or the adjusted second transmission power value.

16. The signal processing method according to claim 15, characterized in that: The terminal adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal includes: When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the terminal adjusts the first transmission power value or the second transmission power value according to the first step.

17. The signal processing method according to claim 16, characterized in that: The first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

18. A signal processing device, characterized in that: Including memory, transceiver, processor; The memory is used to store computer programs; the transceiver is used to send and receive data under the control of the processor; the processor is used to read the computer program in the memory and perform the following operations: Determining a first target received power value of the perception signal; Determining a first transmit power value of the perception signal according to the first target receive power value; determining a first wireless resource according to the first transmit power value; The perception signal is sent and / or received on the first radio resource.

19. The signal processing device according to claim 18, characterized in that: The first target received power value is an expected target power value for receiving the perception signal; The first target receiving power value is configured by the network device side or agreed upon by a protocol.

20. The signal processing device according to claim 18 or 19, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: Determine the first transmit power value according to the first target receive power value and a first set, where the first set includes at least: a path loss value of a first path and a first parameter value related to the frequency domain resources occupied by the perception signal; or, Determine the first transmit power value according to the first target receive power value and a second set, wherein the second set includes at least: a path loss value of the first path; The first path is a path from a signal transmitting end to a first signal receiving end, and the first signal receiving end is an expected receiving end of the perception signal.

21. The signal processing device according to claim 20, characterized in that: The path loss value of the first path is less than or equal to a preset path loss value; The preset path loss value is determined by at least the farthest sensing distance supported by the sensing service, the radar cross-sectional area RCS, and the transmission frequency band of the sensing signal.

22. The signal processing device according to claim 18, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: Determining a second target received power value of the perception signal; Determining a second transmit power value of the perception signal according to the two target receive power values; A first wireless resource is determined according to a magnitude relationship between the first transmit power value and the second transmit power value.

23. The signal processing device according to claim 22, characterized in that: The second target received power value is a power threshold value at which the perceived signal generates interference; The second target receiving power value is configured by the network device side or agreed upon by a protocol.

24. The signal processing device according to claim 22 or 23, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: Determine the second transmit power value according to the second target receive power value and a third set, where the third set includes at least: a path loss value of the second path and a first parameter value related to the frequency domain resources occupied by the perception signal; or, Determine the second transmit power value according to the second target receive power value and a fourth set, wherein the fourth set includes at least: a path loss value of the second path, the first parameter value, and a first gain value; or, Determine the second transmit power value according to the second target receive power value and a fifth set, wherein the fifth set includes at least: a path loss value of the second path; Among them, the second path is a path from a signal transmitting end to a second signal receiving end, and the second signal receiving end is a receiving end interfered by the perception signal; the first gain value is a gain value of a beam direction difference between a signal sent by a receiving network device and a received perception signal.

25. The signal processing device according to claim 24, characterized in that: The path loss value of the second path is determined by the first reference signal; The first reference signal includes at least one of the following: Reference signals configured for sensing services; A reference signal used to determine the transmit power of the physical uplink control channel PUCCH; A reference signal used to determine the transmit power of the physical uplink shared channel PUSCH; A synchronization signal block used to obtain the master information block MIB.

26. The signal processing device according to claim 24, characterized in that: The first gain value is determined by the following formula: Among them, g(θ d ) is the first gain value, θ XdB is the angle value corresponding to the gain attenuation XdB, G m is the reference gain value, θ d It is the difference in beam direction between the signal sent by the receiving network device and the received sensing signal.

27. The signal processing device according to claim 20 or 24, characterized in that: The first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain; or, The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain.

28. The signal processing device according to claim 27, characterized in that: The first parameter value is determined by the number of resource blocks RBs occupied by the perception signal in the frequency domain, including: The first parameter value is determined by the following formula: Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of RBs occupied by the perception signal in the frequency domain.

29. The signal processing device according to claim 27, characterized in that: The first parameter value is determined by the number of resource units RE occupied by the perception signal in the frequency domain, including: The first parameter value is determined by the following formula: Among them, f(RB hum ) is the first parameter value, μ is the subcarrier spacing configuration parameter, is the number of REs occupied by the perception signal in the frequency domain.

30. The signal processing device according to claim 22, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: Determining a wireless resource acquisition method according to a magnitude relationship between the first transmit power value and the second transmit power value; The first wireless resource is determined according to the wireless resource acquisition method.

31. The signal processing device according to claim 30, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: When the first transmit power value is greater than or equal to the second transmit power value, determining that the wireless resource acquisition method is a first acquisition method; wherein the first acquisition method is that the network device side indicates the first wireless resource; and / or, In the case where the first transmission power value is less than the second transmission power value, the wireless resource acquisition method is determined to be the second acquisition method; wherein the second acquisition method is to determine the first wireless resource by itself.

32. The signal processing device according to claim 22, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: Sending a perception signal at the first transmit power value or the second transmit power value on a first radio resource; Receiving an echo signal after the sensing signal is reflected; adjusting the first transmit power value or the second transmit power value according to the receive power value of the echo signal; The perception signal is sent on the first wireless resource with the adjusted first transmission power value or the adjusted second transmission power value.

33. The signal processing device according to claim 32, characterized in that: The processor is configured to read the computer program in the memory and perform the following operations: When the difference between the reception power value of the echo signal and the first target reception power value is within a first numerical range, the first transmission power value or the second transmission power value is adjusted according to the first step.

34. The signal processing device according to claim 33, characterized in that: The first numerical range is configured by the network device side; the first step length is the maximum value or the minimum value in the first numerical range.

35. A terminal, characterized in that: include: A first processing unit, configured to determine a first target received power value of a perception signal; A second processing unit, configured to determine a first transmit power value of the perception signal according to the first target receive power value; A third processing unit, configured to determine a first wireless resource according to the first transmit power value; A transceiver unit is used to send and / or receive the perception signal on the first wireless resource.

36. A processor-readable storage medium, characterized in that: The processor-readable storage medium stores a computer program, and the computer program is used to cause the processor to execute the steps of the signal processing method according to any one of claims 1 to 17.

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