Message transmission method, signal transmission method, and communication equipment

Abstract

The present application discloses a message transmission method, a signal transmission method, an apparatus and a communication device, which belong to the field of communication technology. The method of the embodiment of the present application includes a step of receiving a first message sent from a first device by a second device, the first message is for indicating at least one of a requirement on sensing resolution, a requirement on sensing distance, a requirement on sensing area, a requirement on sensing object, a requirement on sensing error, a requirement on sensing signal quality, and a requirement on sensing time delay.

Description

Technical Field

[0006]

[0001] This application belongs to the field of communication technologies, and particularly relates to a message transmission method, a signal transmission method, an apparatus, and a communication device.

Background Art

[0002] For example, future mobile communication systems such as the Beyond 5G (B5G) system and the 6G (6th Generation) system have sensing capabilities in addition to communication capabilities. One or more devices with sensing capabilities can sense information such as the orientation, distance, and speed of a target object through the transmission and reception of wireless signals, or detect, track, recognize, image, etc. a target object, event, or environment. In the future, as small base stations with wide bandwidth capabilities such as millimeter waves and terahertz are introduced into the 6G network, the sensing resolution will be significantly improved compared to millimeter waves, and the 6G network will be able to provide more precise sensing services.

[0003] The purposes of sensing can be mainly divided into two categories. The first is sensing for assisting communication or improving communication performance. For example, a base station can provide more accurate beamforming towards a device by tracking the movement trajectory of the device. The other is sensing not directly related to communication. For example, a base station monitors weather conditions through wireless signals, and an electronic device recognizes a user's gesture through millimeter-wave wireless sensing, etc.

[0004] Sensing methods can be classified into active sensing, passive sensing, and interactive sensing.

[0005] <s In active sensing, a device senses by using the reflected signal of its own transmitted signal, such as an echo. The transmitter and receiver can be located at the same position and use different antennas, and the device can sense the environmental information around it.

[0006] In passive sensing, the transmitter and receiver are located in different positions, and the receiver senses using the radio signal transmitted from the transmitter. For example, base station A senses environmental information between base station A and base station B by receiving the radio signal from base station B.

[0007] In interactive sensing, the sensing process is completed by agreeing on the entity, time, frequency, and format of electromagnetic wave transmission through the exchange of information between the sensing entity and the target object.

[0008] The air interface design of a B5G or 6G system supports both wireless communication signals and wireless sensing signals, and achieves an integrated design of communication and sensing functions (which can be abbreviated as communication-sensing integration) through signal joint design and / or hardware sharing, enabling information transmission and providing sensing capabilities or services. The benefits of communication-sensing integration include cost reduction, reduced equipment size, reduced equipment power consumption, improved spectral efficiency, reduced mutual interference between communication and sensing, and improved system performance.

[0009] However, in some actual application scenarios, discrepancies in understanding between terminals and base stations regarding the format of the sensing signal, or discrepancies in understanding the sensing requirements, often lead to problems where the sensing signal fails to effectively meet the sensing requirements. [Overview of the Initiative] [Problems that the invention aims to solve]

[0010] The embodiments of this application provide a message transmission method, a signal transmission method, an apparatus, and a communication device that can solve the problem in the prior art where sensing signals cannot effectively satisfy sensing requirements. [Means for solving the problem]

[0011] In the first aspect, The second device includes the step of receiving a first message transmitted from the first device, the first message being: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, The present invention provides a message transmission method that specifies at least one of the requirements regarding sensing time delay.

[0012] In the second aspect, The first device includes the step of sending a first message to the second device, the first message being: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, The present invention provides a message transmission method that specifies at least one of the requirements regarding sensing time delay.

[0013] In the third aspect, The third device receives a second message transmitted from the second device, wherein the second message is for indicating the placement information of the first signal, and the first signal is a sensing signal, or the first signal is a fused sensing and communication signal. The third device provides a signal transmission method, which includes the step of transmitting the first signal based on the arrangement information of the first signal.

[0014] In the fourth aspect, a message transmission device applied to the second device, It includes a first receiving module for receiving a first message transmitted from a first device, and the first message is, Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error Requirements regarding sensing signal quality Provided is a message transmission device for instructing at least one of requirements regarding sensing time delay.

[0015] In a fifth aspect, there is provided a message transmission device applied to a first device, comprising a second transmission module for transmitting a first message to a second device, wherein the first message is for instructing requirements regarding sensing resolution, requirements regarding sensing distance, requirements regarding sensing area, requirements regarding sensing target, requirements regarding sensing error, requirements regarding sensing signal quality, is for instructing at least one of requirements regarding sensing time delay. [[ID=​​​​​​​​​On the seventh side, a communication device is provided, which includes a processor, a memory, and a program or command stored in the memory and executable by the processor. When the program or command is executed by the processor, the steps of the method described in the first side are realized, or when the program or command is executed by the processor, the steps of the method described in the second side are realized, or when the program or command is executed by the processor, the steps of the method described in the third side are realized.

[0018] On the eighth side, a communication device includes a processor and a communication interface. The communication interface is used to receive a first message sent from a first device, or the communication interface is used to send a first message to a second device. The first message is for indicating at least one of the requirements regarding perception resolution, perception distance, perception area, perception object, perception error, perception signal quality, [[ID=!17]] perception time delay. Or, the communication interface is used to receive a second message sent from a second device. The second message is for indicating the arrangement information of a first signal. The first signal is a signal for perception or the first signal is a fusion signal of perception and communication. The processor is used to send the first signal via the communication interface based on the arrangement information of the first signal. A communication device is provided.

[0019] On the ninth side, a readable storage medium is provided, in which a program or command is stored. When the program or command is executed by a processor, the steps of the method described in the first side are realized, or the steps of the method described in the second side are realized, or the steps of the method described in the third side are realized.​

[0020] The present invention provides a chip comprising a processor and a communication interface, wherein the communication interface and the processor are coupled, and the processor is used to execute a program or command and to realize the method described in the first side, or the method described in the second side, or the method described in the third side.

[0021] In the eleventh aspect, the present invention provides a computer program / program product which is stored in a storage medium and executed by at least one processor to realize a step of the method described in the first aspect, or a step of the method described in the second aspect, or a step of the method described in the third aspect. [Effects of the Invention]

[0022] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided. [Brief explanation of the drawing]

[0023] [Figure 1] A block diagram of a wireless communication system to which the embodiments of this application can be applied is shown. [Figure 2] A schematic diagram 1 shows the procedure of the message transmission method provided in the embodiment of this application. [Figure 3] A schematic diagram 2 shows the procedure of the message transmission method provided in the embodiment of this application. [Figure 4] A schematic diagram of the procedure for the signal transmission method provided in the embodiment of this application is shown. [Figure 5] A schematic diagram 1 of the structure of the message transmission device provided in the embodiment of this application is shown. [Figure 6] A schematic diagram 2 of the structure of the message transmission device provided in the embodiment of this application is shown. [Figure 7] A schematic diagram of the structure of the signal transmitting device provided in the embodiment of this application is shown. [Figure 8] A schematic diagram of the structure of the communication device provided in the embodiment of this application is shown. [Figure 9] A schematic diagram of the structure of the terminal provided in the embodiment of this application is shown. [Figure 10] A schematic diagram of the network-side equipment provided in the embodiment of this application is shown. [Modes for carrying out the invention]

[0024] In the following, the technical solutions in the embodiments of this application will be clearly described with reference to the drawings of the embodiments of this application. Naturally, the embodiments described are only a part of the embodiments of this application, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application shall all fall within the scope of protection of this application.

[0025] The terms "first," "second," etc., in the specification and claims of this application are not intended to describe a specific order or sequence, but rather to distinguish similar subjects. It should be understood that these terms may be interchangeable where appropriate so that the embodiments of this application can be carried out in an order other than those illustrated or described herein, and that the subjects distinguished by "first," "second," etc., are generally of one type and do not limit the number of subjects; for example, there may be one or more first subjects. Furthermore, "and / or" in the specification and claims means at least one of the connected subjects, and the symbol " / " generally means that the preceding and following related subjects are in an "or" relationship.

[0026] It should be noted that the technologies described in the embodiments of this application are not limited to Long Term Evolution (LTE) / LTE-Advanced (LTE-A) systems, but are also applicable to other wireless communication systems and other systems, such as Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (OFDMA), and Single-carrier Frequency-Division Multiple Access (SC-FDMA). The terms "system" and "network" in the embodiments of this application are often used interchangeably. The technologies described may be used in the systems and radio technologies mentioned above, as well as in other systems and radio technologies. The following description uses the New Radio (NR) system as an example, and the term NR is used extensively in the following explanation. However, these technologies are applicable to systems other than NR systems, such as the 6th generation (6G) communication system.

[0027] Figure 1 shows a block diagram of a wireless communication system to which the embodiments of this application can be applied. The wireless communication system includes a terminal 11 and network-side equipment 12. The terminal 11 may also be called terminal equipment or user equipment (UE), and may be a mobile phone, tablet personal computer, laptop computer (also called notebook computer), personal digital assistant (PDA), palmtop computer, netbook, ultra-mobile personal computer (UMPC), mobile internet device (MID), wearable device, or vehicle user equipment (VUE), pedestrian terminal (PUE), etc. Wearable devices include smartwatches, wristbands, headphones, glasses, etc. It should be noted that the specific type of terminal 11 is not limited in the embodiments of this application. The network-side equipment 12 may be a base station or a core network. A base station may be called a node B, evolved node B, access point, base transceiver station (BTS), radio base station, radio transceiver, basic service set (BSS), extended service set (ESS), B node, evolved B node (eNB), home B node, home evolved B node, WLAN access point, WiFi node, transmitting / receiving point (TRP), or any other appropriate term in the art, and is not limited to any particular technical term as long as it can achieve similar technical effects. It should be noted that, although the embodiments of this application use a base station in an NR system as an example, the specific type of base station is not limited.

[0028] In the following, with reference to the drawings, the message transmission method, signal transmission method, apparatus, and communication equipment provided in the embodiments of this application will be described in detail by several embodiments and their application scenarios.

[0029] The application scenarios relating to the embodiments of this application include at least the following Scene 1 and Scene 2.

[0030] Scene 1 Terminal devices transmit millimeter-wave sensing signals and then receive echoes of these sensing signals, which are used for purposes such as detecting user gestures or scanning the contours of objects within a black box. Different sensing purposes or requirements require different signal formats. Terminals know their own sensing purpose and the format of the sensing signal corresponding to that purpose. However, the millimeter-wave band used for sensing is a licensed band, and unified management of base stations is necessary to avoid mutual interference between sensing signals and communication signals, or between sensing signals themselves.

[0031] Scene 2 A terminal requests the transmission of a specific sensing signal from a base station, and the terminal receives this signal and uses it to detect weather conditions, building conditions, or pedestrian flow between the base station and the terminal. Different sensing purposes or requirements have different signal formats, and the base station can determine what format of sensing signal to transmit to meet the terminal's specific sensing purpose or requirements after obtaining the terminal's specific sensing purpose or requirements.

[0032] As shown in Figure 2, an embodiment of the present application provides a message transmission method, which includes the following step 201.

[0033] In step 201, the second device receives the first message transmitted from the first device, and the first message is: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0034] In the embodiments of this application, the first device is a device that has sensing requirements, and the first device may be a base station, terminal, sidelink device, sensing server, etc. The second device is a control device for the first signal, such as a Location Management Function (LMF) computing unit, and the second device may be a base station, terminal, sidelink device, sensing server, etc.

[0035] It should be explained that the second device may be an independently installed device, or it may be a unit attached to another device. For example, the second device may be installed in the first device or in the third device.

[0036] The sensing signals referred to in the embodiments of this application may also be called sensing signals or fused sensing and communication signals. Communication equipment senses information such as the orientation, distance, and speed of a target object by transmitting and receiving sensing signals, or detects, tracks, recognizes, and images target objects, events, or environments.

[0037] In at least one selectable embodiment of this application, the requirements for sensing resolution include at least one of distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, atmospheric pressure resolution, and humidity resolution. The requirements for sensing resolution also include resolution related to air quality, etc. For example, the requirement for distance resolution is 1 meter, or the requirement for velocity resolution is 1 km / h, the requirement for angular resolution is 2 degrees, the requirement for imaging resolution is 5 cm × 5 cm, the requirement for temperature resolution is 1°C, etc.

[0038] In at least one selectable embodiment of this application, the requirement relating to the sensing distance includes at least one of a maximum sensing distance and a sensing distance interval.

[0039] In at least one selectable embodiment of this application, the requirements for the quality of the sensing signal include at least one of the received signal strength, signal-to-noise ratio, signal-to-interference-to-noise ratio, signal-to-clutter ratio, sidelobe characteristics of the signal, and peak-to-average power ratio (PAPR). For example, the received signal strength of the sensing signal is greater than -80 dBm, or the signal-to-noise ratio or signal-to-interference-to-noise ratio requirements are greater than 5 dB, or the signal-to-clutter ratio or signal-to-clutter-to-noise ratio requirements are 10 dB. Alternatively, for example, the sidelobe signal strength of the sensing signal is 10 dB lower than the mainlobe signal strength. The requirements for the quality of the sensing signal may also be the magnitude of the transmitted power of the sensing signal, for example, the first device can obtain the transmit power requirement of the sensing signal based on the estimated path loss between the second device and the first device, and the received signal strength requirement of the sensing signal.

[0040] For example, the first device reports the PAPR requirements for the sensing signal to the second device. If the PAPR requirements are lenient, the second device can provide the first device with a first signal based on orthogonal frequency division multiplexing (OFDM). If the PAPR requirements are strict, the second device can provide the first device with a sensing signal based on single-carrier frequency-division multiple access (SC-FDMA) or a first signal based on frequency-modulated continuous wave (FMCW).

[0041] In at least one selectable embodiment of this application, the requirements relating to the sensing object include weather conditions (temperature or humidity, etc.), traffic monitoring objects such as vehicles, congestion density, environmental conditions, terrain, building conditions, or human gestures, movements, etc.

[0042] In at least one selectable embodiment of this application, the requirements relating to the sensing region include a specific region in traffic monitoring, reconstruction of a specific region related to a 3D building scene using sensing signals, and so on.

[0043] In at least one selectable embodiment of this application, the requirement relating to the sensing time delay is: The transmission time or transmission time window for the sensing signal, It includes at least one of the following: a feedback time or feedback time window for a measured quantity associated with a sensing signal.

[0044] For example, a time window in which the first device or the third device transmits a first signal after the first device transmits a first message, or a time window in which the first device or the third device transmits a first signal after the second device receives a first message, or a time window in which the first device receives sensing information feedback after transmitting a first message.

[0045] It should be noted that in at least one embodiment of this application, the instructions of the first message may be transmitted through one first message or through multiple first messages, and are not specifically limited thereto.

[0046] Furthermore, it should be explained that in the embodiments of this application, the first message may directly indicate the requirements relating to sensing, or it may indirectly indicate the requirements relating to sensing by indicating the type of sensing, where the requirements relating to sensing are different for different types of sensing.

[0047] For example, the first message directly specifies the requirements for detection. The contents of the first message are shown in Table 1.

[0048] [Table 1] [Table 1-1] [Table 2] [Table 1-2]

[0049] For example, the first message indicates the sensing type, and the sensing type is associated with the requirements for sensing. Table 2 shows a scenario in which a base station transmits the first signal, and Table 3 shows a scenario in which a terminal transmits the first signal.

[0050] [Table 3] [Table 2]

[0051] [Table 4] [Table 3-1] [Table 5] [Table 3-2]

[0052] As one selectable embodiment of this application, the method is: The second device further includes the step of determining the placement information of the first signal, wherein the first signal is a sensing signal or the first signal is a fused sensing and communication signal. In other words, the second device determines the placement information of the first signal based on the instructions of the first message.

[0053] As another optional embodiment of this application, the method is: The second device further includes the step of transmitting a second message to the first and / or third device so that the first or third device transmits the first signal based on the arrangement information of the first signal, the second message is for indicating the arrangement information of the first signal. Here, the first signal is either a sensing signal or a fused signal of sensing and communication.

[0054] In the embodiments of this application, the third device may be a first signal transmitting device or a first signal receiving device, and may specifically be a base station, terminal, sidelink device, or sensing server, and is not specifically limited herein.

[0055] It should be noted that the first message referred to in the embodiments of this application may also instruct a first device to transmit a first signal, or a third device to transmit a first signal, and the second device transmits the arrangement information of the first signal to the corresponding device in response to the instructions of the first message.

[0056] Here, the placement information for the first signal is for indicating at least one of the following: the waveform of the first signal, the subcarrier interval of the first signal, the guard interval of the first signal, the bandwidth of the first signal, the duration of the first signal, the time-domain interval of the first signal, the transmitted signal power of the first signal, the signal format of the first signal, the signal direction of the first signal, the time resources of the first signal, and the frequency-domain resources of the first signal.

[0057] Regarding the waveform of the first signal, for example, the second device determines, based on the instructions of the first message, whether the first signal is OFDM, SC-FDMA, Orthogonal Time Frequency Space (OTFS), FMCW, a pulse signal, or any other type of signal.

[0058] The subcarrier spacing of the first signal is, for example, the minimum subcarrier spacing, the maximum subcarrier spacing, or the range of subcarrier spacings. Here, the minimum subcarrier spacing of an OFDM system is generally set to be significantly larger than the maximum Doppler frequency offset. Therefore, the minimum subcarrier spacing of an OFDM system can be calculated from 10Vmax*fc / c, where Vmax is the maximum moving velocity, fc is the carrier frequency, and c is the speed of light.

[0059] The guard interval of the first signal is, for example, the maximum guard interval, the minimum guard interval, or the range of guard intervals, which is the time interval from the time when the transmission of the signal ends to the time when the latest echo signal of the signal is received, and this parameter is proportional to the maximum sensing distance. For example, it can be calculated by 2dmax / c, where dmax is the maximum sensing distance, and for example, in the case of spontaneously transmitted and received sensing signals, dmax represents the maximum distance from the sensing signal transmission / reception point to the signal transmission point, and in some cases the cyclic prefix (CP) of the OFDM signal can serve as the minimum guard interval.

[0060] The bandwidth of the first signal is, for example, the maximum bandwidth, minimum bandwidth, or bandwidth range. This parameter is inversely proportional to the distance resolution and can be obtained by c / 2 / delta_d, where delta_d is the distance resolution and c is the speed of light.

[0061] Regarding the duration of the first signal, the parameter is the time span of the first signal, for example, the minimum duration, the maximum duration, or the duration range. This parameter is inversely proportional to the rate resolution. This parameter is the time span of the sensing signal and is primarily used to calculate the Doppler frequency offset. This parameter can be calculated by c / 2 / delta_v / fc, where delta_v is the velocity resolution, fc is the carrier frequency, and c is the speed of light.

[0062] The parameter for the time-domain interval of the first signal is the time interval between two adjacent first signals, for example, the maximum time-domain interval, the minimum time-domain interval, or the range of the time interval. This parameter can be calculated by c / 2 / fc / v_range, where v_range is the maximum rate minus the minimum velocity, fc is the carrier frequency, and c is the speed of light.

[0063] The transmission power of the first signal can take values ​​in 2 dBm increments from -20 dBm to 23 dBm, for example, and the second device can determine the transmission power based on the maximum sensing distance parameter indicated by the first message.

[0064] The signal format of the first signal is, for example, a channel sounding reference signal (SRS), a demodulation reference signal (DMRS), a positioning reference signal (PRS), or other predefined signals and related sequence format information.

[0065] The signal direction of the first signal is, for example, the magnitude of the offset angle of the direction of the first signal, with the line connecting the first and second devices as the reference angle (for example, used to control possible interference of the first signal with adjacent cells).

[0066] The time resource of the first signal is, for example, the time slot index or the symbol index of the time slot in which the first signal is located. Here, the time resources are divided into two types: one is a one-time time resource, for example, one symbol transmits one omnidirectional first signal; the other is a non-one-time time resource, for example, multiple groups of periodic or discontinuous time resources (which may include a start time and an end time), where each group of periodic time resources transmits the first signal in the same direction, but the beam directions on different groups of periodic time resources are different.

[0067] The frequency domain resources of the first signal include the center frequency point, bandwidth, resource block RB, or subcarriers of the first signal.

[0068] In at least one selectable embodiment of this application, the second message can be transmitted via at least one of the following: Layer 1 signaling, Media Access Control Element (MAC CE), Radio Resource Control (RRC) signaling, System Information Block (SIB) signaling, and Master Information Block (MIB) signaling.

[0069] In at least one selectable embodiment of this application, if the second device cannot obtain placement information that satisfies the sensing requirement based on the instructions of the first message, the second device may reject the sensing requirement of the first device and notify the first device of the rejection message.

[0070] In at least one selectable embodiment of this application, the second message is: The arrangement information of the first signal, Or, Includes an index number associated with the placement information of the first signal.

[0071] In other words, all or part of the placement information of the first signal may be co-encoded, and therefore the second message only needs to include the index number associated with the placement information of the first signal, as shown in Table 4.

[0072] [Table 6] [Table 4]

[0073] Furthermore, after the second device transmits the placement information of the first signal to the first device and / or the third device, the method proceeds as follows: The first device further includes the step of detecting a first signal or an echo of the first signal and obtaining a measurement quantity relating to the sensing, wherein the measurement quantity relating to the sensing is channel matrix, Channel status information, Power of each path in a multipath channel, Time delay of each path in a multipath channel, The angle of each path in a multipath channel, Information on the reflection point, Target radar scattering cross-section information, Doppler spread, Doppler frequency shift, Phase difference between antennas, It includes at least one of the time delay differences between antennas.

[0074] Here, the measured quantity includes the measured quantity based on each antenna and / or the measured quantity based on each sensing resource.

[0075] Furthermore, the method described above is The first device further includes the step of determining sensing result information relating to the sensing requirements of the first device based on a measured quantity relating to sensing.

[0076] Alternatively, the method further includes the steps of: the first device transmitting a measurement quantity related to sensing to the fourth device; the fourth device determining sensing result information relating to the sensing requirements of the first device based on the measurement quantity related to sensing; and transmitting the sensing result information relating to the sensing requirements of the first device to the first device.

[0077] It should be explained that the fourth device is a receiver / processing device for feedback information of the first signal, such as a computing unit for the position management function LMF, and that the fourth device may be a base station, terminal, sidelink device, sensing server, etc., and is not specifically limited here. It should also be explained that the fourth device may be an independently installed device or a unit attached to other devices, for example, the fourth device may be installed in the first device, the second device, or the third device.

[0078] For example, the sensing result information relating to the sensing requirements of the first device includes at least one of the following: information such as the orientation, distance, and speed of the target object, or the result of detecting, tracking, recognizing, imaging, etc., a target object, event, or environment.

[0079] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0080] As shown in Figure 3, embodiments of the present application further provide a message transmission method, the message transmission method comprising the following step 301.

[0081] In step 301, the first device sends a first message to the second device, and the first message is: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0082] In at least one selectable embodiment of this application, the requirements for sensing resolution include at least one of distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, atmospheric pressure resolution, and humidity resolution. The requirements for sensing resolution also include resolution related to air quality, etc. For example, the requirement for distance resolution is 1 meter, or the requirement for velocity resolution is 1 km / h, the requirement for angular resolution is 2 degrees, the requirement for imaging resolution is 5 cm × 5 cm, the requirement for temperature resolution is 1°C, etc.

[0083] In at least one selectable embodiment of this application, the requirement relating to the sensing distance includes at least one of a maximum sensing distance and a sensing distance interval.

[0084] In at least one selectable embodiment of this application, the requirements for the sensing signal quality include at least one of the received signal strength of the sensing signal, the signal-to-noise ratio, the signal-to-interference noise ratio, the signal-to-clutter ratio, the sidelobe characteristics of the signal, and the peak-to-average power ratio PAPR. For example, the received signal strength of the sensing signal is greater than -80 dBm, or the signal-to-noise ratio or signal-to-interference noise ratio requirements are greater than 5 dB, or the signal-to-clutter ratio or signal-to-clutter noise ratio requirements are 10 dB. Alternatively, for example, the sidelobe signal strength of the sensing signal is 10 dB lower than the mainlobe signal strength. The requirements for the sensing signal quality may also be the magnitude of the transmitted power of the sensing signal, for example, the first device can obtain the transmit power requirement of the sensing signal based on the estimated path loss between the second device and the first device, and the received signal strength requirement of the sensing signal.

[0085] For example, the first device reports the PAPR requirements for the sensing signal to the second device. If the PAPR requirements are lenient, the second device can provide the first device with a first signal based on orthogonal frequency division multiplexing (OFDM). If the PAPR requirements are strict, the second device can provide the first device with a sensing signal based on single-carrier frequency-division multiple access (SC-FDMA) or a first signal based on frequency-modulated continuous wave (FMCW).

[0086] In at least one selectable embodiment of this application, the requirements relating to the sensing object include weather conditions (temperature or humidity, etc.), traffic monitoring objects such as vehicles, congestion density, environmental conditions, terrain, building conditions, or human gestures, movements, etc.

[0087] In at least one selectable embodiment of this application, the requirements relating to the sensing region include a specific region in traffic monitoring, reconstruction of a specific region related to a 3D building scene using sensing signals, and so on.

[0088] In at least one selectable embodiment of this application, the requirement relating to the sensing time delay is: The transmission time or transmission time window for the sensing signal, It includes at least one of the following: a feedback time or feedback time window for a measured quantity associated with a sensing signal.

[0089] For example, a time window in which the first device or the third device transmits a first signal after the first device transmits a first message, or a time window in which the first device or the third device transmits a first signal after the second device receives a first message, or a time window in which the first device receives sensing information feedback after transmitting a first message.

[0090] It should be noted that in at least one embodiment of this application, the instructions of the first message may be transmitted through one first message or through multiple first messages.

[0091] Furthermore, it should be explained that in the embodiments of this application, the first message may directly indicate the requirements relating to sensing, or it may indirectly indicate the requirements relating to sensing by indicating the type of sensing, where the requirements relating to sensing are different for different types of sensing.

[0092] As one selectable embodiment of this application, the method is: The first device receives a second message transmitted from the second device, wherein the second message is for indicating the placement information of the first signal, and the first signal is a sensing signal, or the first signal is a fused sensing and communication signal. The first device further includes the step of transmitting the first signal based on the arrangement information of the first signal.

[0093] Alternatively, the above method is The first device further includes the step of receiving a first signal transmitted by a third device based on the arrangement information of the first signal, wherein the arrangement information of the first signal is transmitted by the second device to the third device via a second message, and the first signal is a sensing signal or the first signal is a fused sensing and communication signal.

[0094] It should be noted that the first message referred to in the embodiments of this application may also instruct a first device to transmit a first signal, or a third device to transmit a first signal, and the second device transmits the arrangement information of the first signal to the corresponding device in response to the instructions of the first message.

[0095] Here, the placement information for the first signal is for indicating at least one of the following: the waveform of the first signal, the subcarrier interval of the first signal, the guard interval of the first signal, the bandwidth of the first signal, the duration of the first signal, the time-domain interval of the first signal, the transmitted signal power of the first signal, the signal format of the first signal, the signal direction of the first signal, the time resources of the first signal, and the frequency-domain resources of the first signal.

[0096] Regarding the waveform of the first signal, for example, the second device determines, based on the instructions of the first message, whether the first signal is OFDM, SC-FDMA, Orthogonal Time Frequency Space (OTFS), FMCW, a pulse signal, or any other type of signal.

[0097] The subcarrier spacing of the first signal is, for example, the minimum subcarrier spacing, the maximum subcarrier spacing, or the range of subcarrier spacings. Here, the minimum subcarrier spacing of an OFDM system is generally set to be significantly larger than the maximum Doppler frequency offset. Therefore, the minimum subcarrier spacing of an OFDM system can be calculated from 10Vmax*fc / c, where Vmax is the maximum moving velocity, fc is the carrier frequency, and c is the speed of light.

[0098] The guard interval of the first signal is, for example, the maximum guard interval, the minimum guard interval, or the range of guard intervals, which is the time interval from the time when the transmission of the signal ends to the time when the latest echo signal of the signal is received, and this parameter is proportional to the maximum sensing distance. For example, it can be calculated by 2dmax / c, where dmax is the maximum sensing distance, and for example, in the case of spontaneously transmitted and received sensing signals, dmax represents the maximum distance from the sensing signal transmission / reception point to the signal transmission point, and in some cases the cyclic prefix CP of the OFDM signal can serve as the minimum guard interval.

[0099] The bandwidth of the first signal is, for example, the maximum bandwidth, minimum bandwidth, or bandwidth range. This parameter is inversely proportional to the distance resolution and can be obtained by c / 2 / delta_d, where delta_d is the distance resolution and c is the speed of light.

[0100] Regarding the duration of the first signal, the parameter is the time span of the first signal, for example, the minimum duration, the maximum duration, or the duration range. This parameter is inversely proportional to the rate resolution. This parameter is the time span of the sensing signal and is primarily used to calculate the Doppler frequency offset. This parameter can be calculated by c / 2 / delta_v / fc, where delta_v is the velocity resolution, fc is the carrier frequency, and c is the speed of light.

[0101] The parameter for the time-domain interval of the first signal is the time interval between two adjacent first signals, for example, the maximum time-domain interval, the minimum time-domain interval, or the range of the time interval. This parameter can be calculated by c / 2 / fc / v_range, where v_range is the maximum rate minus the minimum velocity, fc is the carrier frequency, and c is the speed of light.

[0102] The transmission power of the first signal can take values ​​in 2 dBm increments from -20 dBm to 23 dBm, for example, and the second device can determine the transmission power based on the maximum sensing distance parameter indicated by the first message.

[0103] The signal format of the first signal is, for example, a channel sounding reference signal (SRS), a demodulation reference signal (DMRS), a positioning reference signal (PRS), or other predefined signals and related sequence format information.

[0104] The signal direction of the first signal is, for example, the magnitude of the offset angle of the direction of the first signal, with the line connecting the first and second devices as the reference angle (for example, used to control possible interference of the first signal with adjacent cells).

[0105] The time resource of the first signal is, for example, the time slot index or the symbol index of the time slot in which the first signal is located. Here, the time resources are divided into two types: one is a one-time time resource, for example, one symbol transmits one omnidirectional first signal; the other is a non-one-time time resource, for example, multiple groups of periodic or discontinuous time resources (which may include a start time and an end time), where each group of periodic time resources transmits the first signal in the same direction, but the beam directions on different groups of periodic time resources are different.

[0106] The frequency domain resources of the first signal include the center frequency point, bandwidth, resource block RB, or subcarriers of the first signal.

[0107] In at least one selectable embodiment of this application, the second message can be transmitted via at least one of the following: Layer 1 signaling, Media Access Control Element (MAC CE), Radio Resource Control (RRC) signaling, System Information Block (SIB) signaling, and Master Information Block (MIB) signaling.

[0108] In at least one selectable embodiment of this application, if the second device cannot obtain placement information that satisfies the sensing requirement based on the instructions of the first message, the second device may reject the sensing requirement of the first device and notify the first device of the rejection message.

[0109] In at least one selectable embodiment of this application, the second message is: The arrangement information of the first signal, Or, This includes an index number associated with the placement information of the first signal. In other words, all or part of the options of the placement information of the first signal may be co-encoded, and therefore the second message only needs to include the index number associated with the placement information of the first signal.

[0110] Furthermore, in at least one embodiment of this application, the method is The first device further includes the step of detecting a first signal or an echo of the first signal and obtaining a measurement quantity relating to the sensing, wherein the measurement quantity relating to the sensing is channel matrix, Channel status information, Power of each path in a multipath channel, Time delay of each path in a multipath channel, The angle of each path in a multipath channel, Information on the reflection point, Target radar scattering cross-section information, Doppler spread, Doppler frequency shift, Phase difference between antennas, It includes at least one of the time delay differences between antennas.

[0111] Here, the measured quantity includes the measured quantity based on each antenna and / or the measured quantity based on each sensing resource.

[0112] Furthermore, the method described above is The first device further includes the step of determining sensing result information relating to the sensing requirements of the first device based on a measured quantity relating to sensing.

[0113] Alternatively, the above method is The first device transmits a measurement related to sensing to the fourth device so that the fourth device determines sensing result information relating to the sensing requirements of the first device based on the measurement related to sensing. The first device further includes the step of receiving sensing result information relating to the sensing requirements of the first device transmitted from the fourth device.

[0114] For example, the sensing result information relating to the sensing requirements of the first device includes at least one of the following: information such as the orientation, distance, and speed of the target object, or the result of detecting, tracking, recognizing, imaging, etc., a target object, event, or environment.

[0115] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0116] As shown in Figure 4, embodiments of the present application further provide a signal transmission method which includes the following steps 401 and 402.

[0117] In step 401, the third device receives a second message transmitted from the second device, the second message being for indicating placement information of the first signal, the first signal being a sensing signal, or the first signal being a fused sensing and communication signal.

[0118] In step 402, the third device transmits the first signal based on the arrangement information of the first signal.

[0119] What needs to be explained is that the second message is a second message that the second device sends after receiving the first message sent from the first device, and the first message is, Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0120] In the embodiments of this application, the first device is a device that has sensing requirements, and the first device may be a base station, terminal, sidelink device, sensing server, etc. The second device is a control device for the first signal, such as a computing unit for a position management function LMF, and the second device may be a base station, terminal, sidelink device, sensing server, etc.

[0121] It should be explained that the second device may be an independently installed device, or it may be a unit attached to another device. For example, the second device may be installed in the first device or in the third device.

[0122] In at least one embodiment of the present application, the arrangement information of the first signal is for indicating at least one of the waveform of the first signal, the subcarrier interval of the first signal, the guard interval of the first signal, the bandwidth of the first signal, the duration of the first signal, the time-domain interval of the first signal, the transmit signal power of the first signal, the signal format of the first signal, the signal direction of the first signal, the time resources of the first signal, and the frequency-domain resources of the first signal.

[0123] Regarding the waveform of the first signal, for example, the second device determines, based on the instructions of the first message, whether the first signal is OFDM, SC-FDMA, Orthogonal Time Frequency Space (OTFS), FMCW, a pulse signal, or any other type of signal.

[0124] The subcarrier spacing of the first signal is, for example, the minimum subcarrier spacing, the maximum subcarrier spacing, or the range of subcarrier spacings. Here, the minimum subcarrier spacing of an OFDM system is generally set to be significantly larger than the maximum Doppler frequency offset. Therefore, the minimum subcarrier spacing of an OFDM system can be calculated from 10Vmax*fc / c, where Vmax is the maximum moving velocity, fc is the carrier frequency, and c is the speed of light.

[0125] The guard interval of the first signal is, for example, the maximum guard interval, the minimum guard interval, or the range of guard intervals, which is the time interval from the time when the transmission of the signal ends to the time when the latest echo signal of the signal is received, and this parameter is proportional to the maximum sensing distance. For example, it can be calculated by 2dmax / c, where dmax is the maximum sensing distance, and for example, in the case of spontaneously transmitted and received sensing signals, dmax represents the maximum distance from the sensing signal transmission / reception point to the signal transmission point, and in some cases the cyclic prefix CP of the OFDM signal can serve as the minimum guard interval.

[0126] The bandwidth of the first signal is, for example, the maximum bandwidth, minimum bandwidth, or bandwidth range. This parameter is inversely proportional to the distance resolution and can be obtained by c / 2 / delta_d, where delta_d is the distance resolution and c is the speed of light.

[0127] Regarding the duration of the first signal, the parameter is the time span of the first signal, for example, the minimum duration, the maximum duration, or the duration range. This parameter is inversely proportional to the rate resolution. This parameter is the time span of the sensing signal and is primarily used to calculate the Doppler frequency offset. This parameter can be calculated by c / 2 / delta_v / fc, where delta_v is the velocity resolution, fc is the carrier frequency, and c is the speed of light.

[0128] The parameter for the time-domain interval of the first signal is the time interval between two adjacent first signals, for example, the maximum time-domain interval, the minimum time-domain interval, or the range of the time interval. This parameter can be calculated by c / 2 / fc / v_range, where v_range is the maximum rate minus the minimum velocity, fc is the carrier frequency, and c is the speed of light.

[0129] The transmission power of the first signal can take values ​​in 2 dBm increments from -20 dBm to 23 dBm, for example, and the second device can determine the transmission power based on the maximum sensing distance parameter indicated by the first message.

[0130] The signal format of the first signal is, for example, a channel sounding reference signal (SRS), a demodulation reference signal (DMRS), a positioning reference signal (PRS), or other predefined signals and related sequence format information.

[0131] The signal direction of the first signal is, for example, the magnitude of the offset angle of the direction of the first signal, with the line connecting the first and second devices as the reference angle (for example, used to control possible interference of the first signal with adjacent cells).

[0132] The time resource of the first signal is, for example, the time slot index or the symbol index of the time slot in which the first signal is located. Here, the time resources are divided into two types: one is a one-time time resource, for example, one symbol transmits one omnidirectional first signal; the other is a non-one-time time resource, for example, multiple groups of periodic or discontinuous time resources (which may include a start time and an end time), where each group of periodic time resources transmits the first signal in the same direction, but the beam directions on different groups of periodic time resources are different.

[0133] The frequency domain resources of the first signal include the center frequency point, bandwidth, resource block RB, or subcarriers of the first signal.

[0134] In at least one selectable embodiment of this application, the second message is: The arrangement information of the first signal, Or, Includes an index number associated with the placement information of the first signal.

[0135] In other words, all or part of the arrangement information of the first signal may be co-encoded, and therefore the second message only needs to include the index number associated with the arrangement information of the first signal.

[0136] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0137] It should be noted that the implementer of the method provided in the embodiments of this application may be an apparatus, or a control module within the apparatus for performing the method. In the embodiments of this application, the apparatus provided in the embodiments of this application will be described as an example in which the apparatus performs the method.

[0138] As shown in Figure 5, the embodiment of this application further provides a message transmission device 500 applied to a second device, the message transmission device 500 is The system includes a first receiving module 501 for receiving a first message transmitted from a first device, and the first message is: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0139] As one possible embodiment, the requirements for sensing resolution include at least one of distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, barometric pressure resolution, and humidity resolution.

[0140] As one possible embodiment, the requirements relating to the sensing distance include at least one of the maximum sensing distance and the sensing distance interval.

[0141] As one possible embodiment, the requirements relating to the quality of the sensing signal include at least one of the received signal strength of the sensing signal, signal-to-noise ratio, signal-to-interference-to-noise ratio, signal-to-clutter ratio, signal sidelobe characteristics, and peak-to-average power ratio (PAPR).

[0142] As one possible embodiment, the requirement regarding the sensing time delay is: The transmission time or transmission time window for the sensing signal, It includes at least one of the following: a feedback time or feedback time window for a measured quantity associated with a sensing signal.

[0143] As one selectable embodiment, the apparatus is The system further comprises a first determination module for determining the placement information of a first signal, wherein the first signal is a sensing signal or a fused sensing and communication signal.

[0144] As one selectable embodiment, the apparatus is The system further comprises a first transmitting module for transmitting a second message to the first and / or third device so that the first or third device transmits the first signal based on the arrangement information of the first signal, the second message being for indicating the arrangement information of the first signal. Here, the first signal is either a sensing signal or a fused signal of sensing and communication.

[0145] As one selectable embodiment, the arrangement information of the first signal is: The waveform of the above first signal, The subcarrier interval of the first signal, Guard interval of the aforementioned 1st signal, The bandwidth of the first signal, Duration of the first signal, The time domain interval of the first signal, The transmission signal power of the first signal, Signal format of the above-mentioned first signal, The signal direction of the first signal, The time resources of the first signal, This is for indicating at least one of the frequency domain resources of the first signal.

[0146] As one possible embodiment, the second message is: The arrangement information of the first signal, Or, Includes an index number associated with the placement information of the first signal.

[0147] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0148] What needs to be explained is that the message transmission device provided in the embodiments of this application is a device capable of performing the above message transmission method, and all embodiments of the above message transmission method can be applied to this device and achieve similar or comparable technical effects.

[0149] As shown in Figure 6, the embodiment of this application further provides a message transmission device 600 applied to the first device, the device is The system includes a second transmission module 601 for transmitting a first message to a second device, and the first message is: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0150] As one possible embodiment, the requirements for sensing resolution include at least one of distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, barometric pressure resolution, and humidity resolution.

[0151] As one possible embodiment, the requirements relating to the sensing distance include at least one of the maximum sensing distance and the sensing distance interval.

[0152] As one possible embodiment, the requirements relating to the quality of the sensing signal include at least one of the received signal strength of the sensing signal, signal-to-noise ratio, signal-to-interference-to-noise ratio, signal-to-clutter ratio, signal sidelobe characteristics, and peak-to-average power ratio (PAPR).

[0153] As one possible embodiment, the requirement regarding the sensing time delay is: The transmission time or transmission time window for the sensing signal, It includes at least one of the following: a feedback time or feedback time window for a measured quantity associated with a sensing signal.

[0154] As one selectable embodiment, the apparatus is A second receiving module for receiving a second message transmitted from the second device, wherein the second message is for indicating the placement information of a first signal, and the first signal is a sensing signal, or the first signal is a fused sensing and communication signal, The system further comprises a third transmission module for transmitting the first signal based on the arrangement information of the first signal.

[0155] As one selectable embodiment, the apparatus is The system further comprises a third receiving module for receiving a first signal transmitted by a third device based on the arrangement information of the first signal, wherein the arrangement information of the first signal is transmitted by the second device to the third device via a second message, and the first signal is either a sensing signal or a fused sensing and communication signal.

[0156] As one selectable embodiment, the arrangement information of the first signal is: The waveform of the above first signal, The subcarrier interval of the first signal, Guard interval of the aforementioned 1st signal, The bandwidth of the first signal, Duration of the first signal, The time domain interval of the first signal, The transmission signal power of the first signal, Signal format of the above-mentioned first signal, The signal direction of the first signal, The time resources of the first signal, This is for indicating at least one of the frequency domain resources of the first signal.

[0157] As one possible embodiment, the second message is: The arrangement information of the first signal, Or, Includes an index number associated with the placement information of the first signal.

[0158] As one selectable embodiment, the apparatus is The system further comprises an acquisition module for detecting a first signal or an echo of the first signal and acquiring a measured quantity related to the sensing, wherein the measured quantity related to the sensing is channel matrix, Channel status information, Power of each path in a multipath channel, Time delay of each path in a multipath channel, The angle of each path in a multipath channel, Information on the reflection point, Target radar scattering cross-section information, Doppler spread, Doppler frequency shift, Phase difference between antennas, It includes at least one of the time delay differences between antennas.

[0159] In one selectable embodiment, the measurement includes a measurement based on each antenna and / or a measurement based on each sensing resource.

[0160] As one selectable embodiment, the apparatus is The system further comprises a second determination module for determining sensing result information relating to the sensing requirements of the first device, based on the measured quantity related to sensing.

[0161] As one selectable embodiment, the apparatus is A measurement quantity transmission module for transmitting a measurement quantity related to sensing to the fourth device, so that the fourth device determines sensing result information regarding the sensing requirements of the first device based on the measurement quantity related to sensing, The system further comprises a result receiving module for receiving sensing result information relating to the sensing requirements of the first device transmitted from the fourth device.

[0162] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0163] What needs to be explained is that the message transmission device provided in the embodiment of this application is a device capable of performing the above message transmission method, and all embodiments of the above message transmission method can be applied to this device and achieve similar or comparable technical effects.

[0164] As shown in Figure 7, the embodiment of this application further provides a signal transmitting device 700 applied to a third device, the signal transmitting device 700 is A fourth receiving module 701 for receiving a second message transmitted from a second device, wherein the second message is for indicating the placement information of a first signal, and the first signal is a sensing signal, or the first signal is a fused sensing and communication signal, The system includes a fourth transmission module 702 for transmitting the first signal based on the arrangement information of the first signal.

[0165] As one selectable embodiment, the arrangement information of the first signal is: The waveform of the above first signal, The subcarrier interval of the first signal, Guard interval of the aforementioned 1st signal, The bandwidth of the first signal, Duration of the first signal, The time domain interval of the first signal, The transmission signal power of the first signal, Signal format of the above-mentioned first signal, The signal direction of the first signal, The time resources of the first signal, This is for indicating at least one of the frequency domain resources of the first signal.

[0166] As one possible embodiment, the second message is: The arrangement information of the first signal, Or, Includes an index number associated with the placement information of the first signal.

[0167] In the embodiment of this application, a first device having sensing requirements transmits these requirements to a second device via a first message. The second device determines the placement information for a first signal based on the received sensing requirements and notifies the first signal transmitting device and / or the first signal receiving device, thereby enabling the first signal transmitting device and the first signal receiving device to transmit the first signal based on the communication from the second device. In the embodiment of this application, determining the placement information for a first signal based on sensing requirements effectively satisfies different sensing requirements of different first devices. Furthermore, by uniformly determining the placement information for a first signal by the second device, the problem of inconsistent rules for signal type and parameters that would arise from other devices determining the first signal is avoided.

[0168] What needs to be explained is that the signal transmitting device provided in the embodiment of this application is a device capable of performing the above-described signal transmitting method, and all embodiments of the above-described signal transmitting method can be applied to this device and achieve similar or comparable technical effects.

[0169] The message transmission device or signal transmission device in the embodiments of this application may be a device, a device equipped with an operating system, or an electronic device, or it may be a component in a terminal, an integrated circuit, or a chip. The device or electronic device may be a portable terminal or a non-portable terminal. For example, a portable terminal may include, but is not limited to, the types of terminals 11 listed above, and a non-portable terminal may be a server, network attached storage (NAS), personal computer (PC), television (TV), ATM or kiosk, etc., and is not specifically limited in the embodiments of this application.

[0170] The message transmission device or signal transmission device provided in the embodiments of this application can implement each process realized in the method embodiments of Figures 1 to 4 and achieve similar technical effects. To avoid redundancy, a detailed explanation is omitted here.

[0171] Selectively, as shown in Figure 8, embodiments of this application further provide a communication device 800 comprising a processor 801, a memory 802, and a program or command stored in the memory 802 and executable by the processor 801, wherein when the program or command is executed by the processor 801, each process of the above-described method embodiment is realized, and similar technical effects can be achieved. To avoid redundancy, a detailed explanation is omitted here.

[0172] Embodiments of this application further provide a communication device which is a first device, a second device, or a third device, comprising a processor and a communication interface, wherein the communication interface is used to receive a first message transmitted from the first device, or is used to transmit a first message to the second device, the first message being for specifying at least one of the following: requirements relating to sensing resolution, sensing distance, sensing area, sensing object, sensing error, sensing signal quality, and sensing time delay, or the communication interface is used to receive a second message transmitted from the second device, the second message being for specifying arrangement information of a first signal, the first signal being a sensing signal, or the first signal being a fused sensing and communication signal, and the processor is used to transmit the first signal via the communication interface based on the arrangement information of the first signal. Embodiments of this communication device correspond to the above-described method embodiments of the communication device, and all implementation processes and embodiments of the above-described method embodiments can be applied to embodiments of this communication device and achieve similar technical effects. When the communication device is a terminal, specifically, Figure 9 is a schematic diagram of the hardware structure of a terminal that realizes the embodiment of this application.

[0173] The terminal 900 includes, but is not limited to, some of the following components: a high-frequency unit 901, a network equipment module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910.

[0174] Those skilled in the art will understand that the terminal 900 may further include a power supply (e.g., a battery) to power each component, and that the power supply is logically connected to the processor 910 by a power management system, and that the power management system can further implement functions such as charge / discharge management and power consumption management. The terminal structure shown in Figure 9 is not limiting to terminals, and the terminal may include more or fewer components than shown, or combinations of some components, or different component arrangements, and a detailed explanation is omitted here.

[0175] In the embodiments of this application, it should be understood that the input unit 904 may include a graphics processing unit (GPU) 9041 and a microphone 9042, which process still images or video image data acquired by an image capture device (e.g., a camera) in video capture mode or image capture mode. The display unit 906 may include a display panel 9061, which can be arranged in the form of a liquid crystal display, organic light-emitting diodes, etc. The user input unit 907 includes a touch panel 9071 and other input devices 9072. The touch panel 9071 is also called a touchscreen. The touch panel 9071 may include two parts: a touch detection device and a touch controller. The other input devices 9072 may include, but are not limited to, a physical keyboard, function buttons (e.g., volume control buttons, switch buttons, etc.), a trackball, a mouse, or an operating lever, and a detailed description is omitted here.

[0176] In the embodiments of this application, the high-frequency unit 901 receives downlink data from network equipment, processes it with the processor 910, and transmits uplink data to network equipment. Typically, the high-frequency unit 901 includes, but is not limited to, an antenna, at least one amplifier, a transmitter / receiver, a coupler, a low-noise amplifier, a duplexer, and the like.

[0177] Memory 909 can be used to store software programs or commands and various data. Memory 909 may mainly include a program or command storage area capable of storing an operating system, applications or commands necessary for at least one function (e.g., audio playback function, image playback function, etc.), and a data storage area. Memory 909 may also include high-speed random access memory and may further include non-volatile memory. Here, non-volatile memory may be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), or rush memory, and may be, for example, at least one disk storage device, flash memory, or other non-volatile solid-state storage device.

[0178] The processor 910 may include one or more processing units. Selectively, the processor 910 may integrate an application processor that primarily processes the operating system, user interface, and applications or commands, and a modem processor, such as a baseband processor, that primarily processes wireless communication. It is understood that the modem processor does not necessarily have to be integrated into the processor 910.

[0179] Here, the high-frequency unit 901 is used to receive a first message transmitted from the first device, and the first message is, Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0180] Alternatively, the high-frequency unit 901 may be used to transmit a first message to a second device, the first message being: Requirements regarding sensing resolution, Requirements regarding detection distance, Requirements regarding the sensing area, Requirements regarding the object to be detected, Requirements regarding sensing error, Requirements regarding the quality of sensing signals, This is to specify at least one of the requirements regarding detection time delay.

[0181] Alternatively, the high-frequency unit 901 may further receive a second message transmitted from a second device, the second message being for indicating the placement information of the first signal, the first signal being a sensing signal, or a fused sensing and communication signal, and used to transmit the first signal based on the placement information of the first signal.

[0182] When the communication device is a network-side device, as shown in Figure 10, the network device 1000 comprises an antenna 101, a high-frequency device 102, and a baseband device 103. The antenna 101 is connected to the high-frequency device 102. In the uplink direction, the high-frequency device 102 receives information via the antenna 101 and transmits the received information to the baseband device 103 for processing. In the downlink direction, the baseband device 103 processes the information to be transmitted and transmits it to the high-frequency device 102, which processes the received information and then transmits it via the antenna 101.

[0183] The above-mentioned bandwidth processing device may be located within the baseband device 103. In the above embodiments, the method performed by the network equipment can be implemented in the baseband device 103, which includes a processor 104 and a memory 105.

[0184] As shown in Figure 10, the baseband device 103 may include, for example, at least one baseband board on which multiple chips are installed, one of which is a processor 104 connected to a memory 105, which calls a program in the memory 105 to perform the operation of the network-side equipment as described in the above embodiment.

[0185] The baseband device 103 may further include a network interface 106 for exchanging information with the high-frequency device 102, the interface being, for example, a common public radio interface (CPRI).

[0186] Specifically, the network-side device of the embodiment of the present invention further comprises commands or programs stored in memory 105 and executable by processor 104, and processor 104 calls the commands or programs in memory 105 and executes the method performed by each module shown in Figure 10, thereby achieving similar technical effects. To avoid redundancy, a detailed explanation is omitted here.

[0187] Embodiments of this application further provide a readable storage medium in which a program or command is stored, and when the program or command is executed by a processor, each process of the above-described message transmission method or signal transmission method embodiment is realized, and similar technical effects can be achieved. To avoid redundancy, a detailed explanation is omitted here.

[0188] Here, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes computer-readable storage media such as computer read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0189] Embodiments of this application further provide a chip. The chip comprises a processor and a communication interface, the communication interface and the processor are coupled, the processor executes a program or command and is used to realize each process of the message transmission method or signal transmission method embodiment described above, and similar technical effects can be achieved. To avoid redundancy, a detailed explanation is omitted here.

[0190] Embodiments of this application further provide a computer program product which is stored in a storage medium and executed by at least one processor to realize each process of the above-described message transmission method or signal transmission method embodiment, thereby achieving similar technical effects. To avoid redundancy, a detailed explanation is omitted here.

[0191] It should be understood that the chips referred to in the embodiments of this application may also be called system-level chips, system chips, chip systems, or system-on-a-chip, etc.

[0192] It should be noted that, in this specification, the terms “including,” “consisting of,” or any other variation thereof are intended to include non-exclusive inclusion, so that a process, method, article, or apparatus containing a set of elements includes not only those elements but also other elements not explicitly stated, or elements specific to such process, method, article, or apparatus. Unless otherwise specified, an element limited by the phrase “including one…” does not preclude the existence of other identical elements in a process, method, article, or apparatus containing that element. It should also be noted that the scope of the methods and apparatus in embodiments of this application is not limited to performing functions in the order illustrated or discussed, but may also include performing functions substantially simultaneously or in reverse order depending on the function, for example, the described method may be performed in a different order than described, and various steps may be added, omitted, or combined. Furthermore, features described by reference to one example may be combined in other examples.

[0193] From the above description of the embodiments, it will be clear to those skilled in the art that the methods of the above embodiments can be implemented in the form of a combination of software and a necessary common hardware platform, although they may, of course, be implemented in hardware, but in many cases the former is a more preferred embodiment. Based on this view, the technical solutions of the present application can be implemented substantially or in part in the form of a computer software product, which is stored in a storage medium (e.g., ROM / RAM, magnetic disk, optical disk) and includes a plurality of commands that cause a terminal (which may be a mobile phone, computer, server, air conditioner, or network equipment, etc.) to execute the methods of each embodiment of the present application.

[0194] Although embodiments of this application have been described above with reference to the drawings, this application is not limited to the above-described specific embodiments. The above-described specific embodiments are merely illustrative and not limiting. Many forms that a person skilled in the art could make based on the suggestions of this application without departing from the spirit of this application and the scope of protection of the claims are all within the scope of protection of this application.

[0195] [Cross-reference of related applications] This application claims priority to Chinese Patent Application No. 202110624807.2, filed in China on 4 June 2021, and all its contents are incorporated herein by reference.

Claims

1. The second device receives a first message transmitted from the first device, wherein the first message is: Parameters related to the resolution of demand sensing, Parameters related to the demand sensing distance, Parameters related to the demand sensing area, Parameters related to what is being perceived as demand, Parameters related to the error in sensing demand, Parameters related to the quality of the demand sensing signal, A step which specifies at least one of the parameters relating to the demand sensing time delay, The first message is a step of further instructing the first device to transmit the first signal, or the third device to transmit the first signal, The second device takes the step of determining the placement information of the first signal based on the instructions of the first message, The second device transmits a second message to the first device or the third device based on the instructions of the first message, so that the first device or the third device transmits the first signal based on the arrangement information of the first signal, the second message being for instructing the arrangement information of the first signal. The first signal is either a sensing signal or a fused signal of sensing and communication. Message transmission method.

2. The parameters relating to the sensing resolution of the aforementioned demand include at least one of the following: distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, barometric pressure resolution, and humidity resolution. Or, The parameter relating to the sensing distance of the demand includes at least one of the maximum sensing distance and the sensing distance interval. Or, The parameters relating to the quality of the demand sensing signal include at least one of the received signal strength of the sensing signal, signal-to-noise ratio, signal-to-interference-to-noise ratio, signal-to-clutter ratio, signal sidelobe characteristics, and peak-to-average power ratio (PAPR). Or, The parameters relating to the demand sensing time delay are: The transmission time or transmission time window for the sensing signal, A feedback time or feedback time window for a measured quantity associated with a sensing signal, including at least one of the following: The message transmission method according to claim 1.

3. The arrangement information of the first signal is The waveform of the first signal, The subcarrier interval of the first signal, The guard interval of the first signal, The bandwidth of the first signal, Duration of the first signal, The time domain interval of the first signal, The transmission signal power of the first signal, Signal format of the first signal, The signal direction of the first signal, The time resources of the first signal, The message transmission method according to claim 1, for indicating at least one of the frequency domain resources of the first signal.

4. The second message is, The arrangement information of the first signal, Or, The message transmission method according to claim 1, comprising an index number associated with the arrangement information of the first signal.

5. The first device transmits a first message to the second device, wherein the first message is: Parameters related to the resolution of demand sensing, Parameters related to the demand sensing distance, Parameters related to the demand sensing area, Parameters related to what is being perceived as demand, Parameters related to the error in sensing demand, Parameters related to the quality of the demand sensing signal, A step which specifies at least one of the parameters relating to the demand sensing time delay, The first message is a step of further instructing the first device to transmit the first signal, or the third device to transmit the first signal, The first device receives a second message transmitted by the second device based on the instructions of the first message, wherein the second message is for indicating the arrangement information of the first signal, the arrangement information of the first signal is determined by the second device based on the instructions of the first message, and the first signal is a sensing signal or a fused sensing and communication signal. A message transmission method comprising the step of transmitting the first signal based on the arrangement information of the first signal to the first device.

6. The parameters relating to the sensing resolution of the aforementioned demand include at least one of the following: distance resolution, velocity resolution, angular resolution, imaging resolution, temperature resolution, barometric pressure resolution, and humidity resolution. Or, The parameter relating to the sensing distance of the demand includes at least one of the maximum sensing distance and the sensing distance interval. Or, The parameters relating to the quality of the demand sensing signal include at least one of the received signal strength of the sensing signal, signal-to-noise ratio, signal-to-interference-to-noise ratio, signal-to-clutter ratio, signal sidelobe characteristics, and peak-to-average power ratio (PAPR). Or, The parameters relating to the demand sensing time delay are: The transmission time or transmission time window for the sensing signal, The message transmission method according to claim 5, comprising at least one of a feedback time or feedback time window for a measured quantity associated with a sensing signal.

7. The message transmission method according to claim 5, further comprising the step of the first device receiving the first signal transmitted by the third device based on the arrangement information of the first signal, the arrangement information of the first signal being transmitted by the second device to the third device via the second message, and the first signal being a sensing signal or the first signal being a fused sensing and communication signal.

8. The arrangement information of the first signal is The waveform of the first signal, The subcarrier interval of the first signal, The guard interval of the first signal, The bandwidth of the first signal, Duration of the first signal, The time domain interval of the first signal, The transmission signal power of the first signal, Signal format of the first signal, The signal direction of the first signal, The time resources of the first signal, The message transmission method according to claim 5, for indicating at least one of the frequency domain resources of the first signal.

9. The second message is, The arrangement information of the first signal, Or, The message transmission method according to claim 5, comprising an index number associated with the arrangement information of the first signal.

10. The first device further includes the step of detecting the first signal or an echo of the first signal and obtaining a measurement quantity related to the sensing, the measurement quantity related to the sensing is channel matrix, Channel status information, Power of each path in a multipath channel, Time delay of each path in a multipath channel, The angle of each path in a multipath channel, Information on the reflection point, Target radar scattering cross-section information, Doppler spread, Doppler frequency shift, Phase difference between antennas, The message transmission method according to claim 5, comprising at least one of the time delay differences between antennas.

11. The message transmission method according to claim 10, wherein the measured quantity includes a measured quantity based on each antenna and / or a measured quantity based on each sensing resource.

12. The first device performs the step of determining sensing result information relating to the sensing requirements of the first device based on the measured quantity relating to sensing. Or, The first device transmits a measurement related to sensing to the fourth device so that the fourth device determines sensing result information relating to the sensing requirements of the first device based on the measurement related to sensing. The message transmission method according to claim 10, further comprising the step of the first device receiving sensing result information relating to the sensing requirements of the first device transmitted from the fourth device.

13. A communication device comprising a processor, memory, and a program or command stored in the memory and executable by the processor, wherein when the program or command is executed by the processor, the steps of the message transmission method described in any one of claims 1 to 4 are realized, or when the program or command is executed by the processor, the steps of the message transmission method described in any one of claims 5 to 12 are realized.

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