WO2024061065A1 - 前导码发送方法、终端及存储介质 - Google Patents

前导码发送方法、终端及存储介质 Download PDF

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Publication number
WO2024061065A1
WO2024061065A1 PCT/CN2023/118441 CN2023118441W WO2024061065A1 WO 2024061065 A1 WO2024061065 A1 WO 2024061065A1 CN 2023118441 W CN2023118441 W CN 2023118441W WO 2024061065 A1 WO2024061065 A1 WO 2024061065A1
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WIPO (PCT)
Prior art keywords
signal
preamble
measurement result
satisfies
sensing
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Ceased
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PCT/CN2023/118441
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English (en)
French (fr)
Inventor
姜大洁
姚健
鲍炜
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Publication of WO2024061065A1 publication Critical patent/WO2024061065A1/zh
Priority to US19/082,129 priority Critical patent/US20250240662A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a preamble sending method, terminal and storage medium.
  • the terminal needs to send a preamble to the network side device during the four-step random access process or the two-step random access process.
  • the preamble is sent to Message 1 (MSG 1) in the four-step random access process.
  • code, or the preamble is sent in message A (MSG A) in the two-step random access process.
  • MSG A message A
  • the terminal sending the preamble may not be able to meet the wireless sensing requirements, resulting in poor sensing performance of the terminal.
  • Embodiments of the present application provide a preamble sending method, a terminal and a storage medium, which can solve the problem of poor perception performance of the terminal.
  • the first aspect provides a preamble sending method, including:
  • the terminal measures the first signal to obtain a target measurement result, where the target measurement result includes: a perceptual measurement result;
  • the terminal sends a preamble based on the target measurement result.
  • a preamble sending device including:
  • a measurement module used to measure the first signal to obtain target measurement results, where the target measurement results include: perception measurement results;
  • a sending module configured to send a preamble based on the target measurement result.
  • a terminal in a third aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the present application is implemented.
  • the embodiment provides the steps of the preamble sending method.
  • a terminal including a processor and a communication interface, wherein the communication interface is used for a measurement module to measure the first signal to obtain a target measurement result, and the target measurement result includes: perception Measurement results; based on the target measurement results, send a preamble.
  • a readable storage medium is provided. Programs or instructions are stored on the readable storage medium. When the programs or instructions are executed by a processor, the steps of the preamble sending method provided by the embodiments of the present application are implemented.
  • a chip in a sixth aspect, includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the preamble provided by the embodiments of the present application. Send method.
  • a computer program/program product is provided, the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the preamble provided by the embodiment of the present application. Code sending method steps.
  • the terminal measures the first signal to obtain a target measurement result, where the target measurement result includes: a perceptual measurement result; and the terminal sends a preamble based on the target measurement result.
  • the terminal sending the preamble can better meet the sensing requirements, thereby improving sensing performance.
  • Figure 1 is a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • FIG2 is a schematic diagram of a scenario of perception measurement provided in an embodiment of the present application.
  • Figure 3 is a flow chart of a preamble sending method provided by an embodiment of the present application.
  • Figure 4 is a schematic diagram of an SNR calculation provided by an embodiment of the present application.
  • Figure 5 is a structural diagram of a preamble sending device provided by an embodiment of the present application.
  • Figure 6 is a structural diagram of a communication device provided by an embodiment of the present application.
  • FIG. 7 is a structural diagram of a terminal provided in an embodiment of the present application.
  • first, second, etc. in the description and claims of this application are used to distinguish similar objects and are not used to describe a specific order or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances so that the embodiments of the present application can be practiced in sequences other than those illustrated or described herein, and that "first" and “second” are distinguished objects It is usually one type, and the number of objects is not limited.
  • the first object can be one or multiple.
  • “and/or” in the description and claims indicates at least one of the connected objects, and the character “/" generally indicates that the related objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-Advanced, LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • system and “network” in the embodiments of this application are often used interchangeably, and the described technology can be used not only for the above-mentioned systems and radio technologies, but also for other systems and radio technologies.
  • NR New Radio
  • the following description describes a New Radio (NR) system for example purposes, and NR terminology is used in much of the following description, but these techniques can also be applied to applications other than NR system applications, such as 6th Generation , 6G) communication system.
  • NR New Radio
  • FIG. 1 shows a block diagram of a wireless communication system to which embodiments of the present application are applicable.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, or a super mobile personal computer.
  • Tablet Personal Computer Tablet Personal Computer
  • laptop computer laptop computer
  • PDA Personal Digital Assistant
  • PDA Personal Digital Assistant
  • UMPC ultra-mobile personal computer
  • UMPC mobile Internet device
  • Mobile Internet Device MID
  • AR augmented reality
  • VR virtual reality
  • robots wearable devices
  • Vehicle user equipment VUE
  • pedestrian terminal Pedestrian User Equipment, PUE
  • roadside unit Road side unit, RSU
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or Furniture, etc.
  • PC personal computers
  • teller machines or self-service machines and other terminal-side devices such as refrigerators, TVs, washing machines or Furniture, etc.
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, Smart bracelets, smart rings, smart necklaces, smart anklets, smart anklets, smart helmets, smart joysticks, etc.), smart wristbands, smart clothing, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11.
  • sidelink sidelink, or translated as secondary link, side link, side link, etc., abbreviated as SL
  • SL sidelink
  • SL transmission can be performed between terminals 11, that is, the terminals 11 can directly transmit on the physical layer.
  • SL transmission between terminals 11 may be broadcast, unicast, multicast or multicast, etc.
  • the terminals for SL transmission can be all online or all offline, or some devices can be online and some offline.
  • the network side equipment 12 may include radio access network equipment and core network equipment, where the radio access network equipment may also be called a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network unit.
  • Radio Access Network Radio Access Network
  • RAN Radio Access Network
  • Wireless access network equipment can include base stations, Wireless Local Area Networks (WLAN) access points or WiFi nodes, etc.
  • the base station can be called Node B, Evolved Node B (eNB), access point, base transceiver station (Base Transceiver Station, BTS), radio base station, radio transceiver, Basic Service Set (BSS), Extended Service Set (ESS), home B-node, home evolved B-node, sending and receiving point (Transmitting Receiving Point, TRP), small base station or some other suitable term in the field, as long as the same technical effect is achieved, the base station is not limited to specific technical terms. It should be noted that in the embodiment of this application, only The base station in the NR system is taken as an example for introduction, and the specific type of base station is not limited.
  • Core network equipment may include but is not limited to at least one of the following: core network nodes, core network functions, mobility management entities (Mobility Management Entity, MME), access mobility management functions (Access and Mobility Management Function, AMF), session management functions (Session Management Function, SMF), use User Plane Function (UPF), Policy Control Function (PCF), Policy and Charging Rules Function (PCRF), Edge Application Server Discovery Function , EASDF), Unified Data Management (UDM), Unified Data Repository (UDR), Home Subscriber Server (HSS), Centralized network configuration (CNC), Network Storage function (Network Repository Function, NRF), network exposure function (NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function) , AF), Network Data Analytics Function (NWDAF), Location Management Function (LMF), etc.
  • MME mobility management entities
  • AMF Access and Mobility Management Function
  • SMF session management functions
  • UPF User Plane Function
  • network-side devices and terminals may have sensing capabilities and can sense the orientation, distance, speed and other information of target objects through the sending and receiving of wireless signals, or detect target objects, events or environments, etc. Tracking, identification, imaging, etc.
  • Communication and perception integration refers to realizing the integrated design of communication and perception functions through spectrum sharing and hardware sharing in the same system.
  • the system transmits information while , can sense information such as orientation, distance, speed, etc., and detect, track, and identify target devices or events.
  • the communication system and the sensing system complement each other to achieve an improvement in overall performance and bring a better service experience.
  • the integration of communication and radar is a typical communication-aware integration (communication-aware fusion) application
  • the integration of communication and radar systems can bring many advantages, such as cost savings, size reduction, power consumption reduction, spectrum efficiency improvement, Reduce mutual interference, etc., thereby improving the overall performance of the system.
  • each sensing link in Figure 2 consists of a sending node and an receiving node.
  • the receiving node in an actual system, different sensing links can be selected according to different sensing requirements.
  • Each sensing link can have one or more sending nodes and receiving nodes, and the actual sensing system can include a variety of different sensing link.
  • the sensing targets in Figure 2 take people and vehicles as examples, and assuming that neither humans nor vehicles carry or install signal receiving/transmitting equipment, the sensing targets in the actual scene will be more abundant.
  • Sensing link 1 The base station spontaneously senses. In this method, the base station sends a sensing signal and obtains the sensing result by receiving the echo of the sensing signal;
  • Sensing link 2 air interface sensing between base stations. In this mode, base station 2 receives the sensing signal sent by base station 1 and obtains the sensing result.
  • Sensing link 3 Uplink air interface sensing. In this mode, the base station receives the sensing signal sent by the terminal and obtains the sensing result.
  • Sensing link 4 Downlink air interface sensing. In this mode, the terminal receives the sensing signal sent by the base station and obtains the sensing result.
  • Perception link 5 Terminal self-transmitting and self-receiving perception. In this mode, the terminal sends a perception signal and obtains the perception result by receiving the echo of the perception signal.
  • Perception link 6 Sidelink perception between terminals. For example, terminal 2 receives a perception signal sent by terminal 1 and obtains a perception result, or terminal 1 receives a perception signal sent by terminal 2 and obtains a perception result.
  • Figure 3 is a flow chart of a preamble sending method provided by an embodiment of the present application. As shown in Figure 3, it includes the following steps, including:
  • Step 301 The terminal measures the first signal to obtain a target measurement result, where the target measurement result includes: a perceptual measurement result.
  • the above-mentioned measurement of the first signal by the terminal may be that the terminal measures one or more first signals, and when measuring multiple first signals, the multiple first signals may include the same or different types of signals, for example : Some first signals are signals sent by network-side devices, some first signals may be first signals sent by other terminals, and some first signals may be signals spontaneously received by the above-mentioned terminals.
  • the terminal measures multiple synchronization signals and physical broadcast channel (Synchronization Signal and PBCH block, SSB) signals, or multiple channel state information reference signals (Channel State Information-Reference Signal, CSI-RS) resources.
  • Synchronization Signal and PBCH block, SSB Physical Broad channel
  • CSI-RS Channel State Information-Reference Signal
  • the above sensing measurement results may also be referred to as link sensing performance.
  • Step 302 The terminal sends a preamble based on the target measurement result.
  • the above terminal may send the preamble based on the target measurement result by sending the preamble when the sensing measurement result satisfies the preset conditions; or the terminal may send the preamble based on the target measurement result by sending the preamble with the target.
  • Preambles that match the measurement results for example: select preambles that match the above target measurement results from the pre-obtained preamble set and send them.
  • the preamble may also be some kind of pilot, some kind of reference signal, etc.
  • the target measurement results also include: communication measurement results.
  • the preamble can be sent based on the sensing measurement results and the communication measurement results, and the preamble can be sent taking comprehensive consideration of communication performance and sensing performance to improve the access performance of the terminal.
  • the sending a preamble code based on the target measurement result includes:
  • the terminal sends a preamble when the target measurement result meets a preset condition.
  • the target measurement result satisfying the preset condition includes: the perceptual measurement result satisfying the first preset condition.
  • the target measurement result satisfying the preset conditions includes at least one of the following:
  • the perceptual measurement result satisfies the first preset condition
  • the communication measurement result satisfies the second preset condition.
  • the above-mentioned first preset condition and second preset condition may be defined in the protocol, or may be configured by the network side device.
  • the above-mentioned target measurement result satisfying the preset condition may be that the sensing measurement results of one or more first signals satisfy the first preset condition; or the above-mentioned measurement result satisfying the preset condition may be that the communication of one or more first signals
  • the measurement result satisfies the second preset condition, or the above measurement result satisfies the preset condition.
  • the communication measurement result of one or more first signals satisfies the second preset condition, and the communication measurement result of one or more first signals satisfies the second preset condition.
  • the result satisfies the second preset condition.
  • the above-mentioned perceptual measurement result satisfying the first preset condition may be that the perceptual measurement result is higher than the preset threshold corresponding to the perceptual measurement result or the perceptual measurement result falls within the preset range corresponding to the perceptual measurement result; the above-mentioned communication measurement result satisfies the second preset condition.
  • the condition may be that the communication measurement result is higher than a preset threshold corresponding to the communication measurement result or the communication measurement result falls within a preset range corresponding to the communication measurement result.
  • the measurement results of some or all of the first signals may satisfy the above preset conditions.
  • the terminal can send the preamble when at least one of the perception measurement results and the communication measurement results meets the preset conditions, so as to avoid the situation where the measurement results do not meet the requirements when the terminal sends the preamble, thereby improving Terminal performance, such as improving perceived performance.
  • a corresponding perceptual measurement result may be determined for each first signal, or one perceptual measurement result may be obtained for multiple first signals, that is, the first signal and the perceptual measurement result It can be a one-to-one relationship or a many-to-one relationship.
  • the multiple signals here may be part or all of the first signals measured in step 301.
  • step 301 measures N first signals.
  • N perceptual measurements can be obtained.
  • M measurement results can be obtained, where M is an integer greater than or equal to 1 and less than N.
  • the first signal and the communication measurement result may have a one-to-one relationship or a many-to-one relationship.
  • the above-mentioned first signal may be a signal that does not contain transmission information.
  • the information signal may be a synchronization signal or a reference signal.
  • the above first signal may include:
  • Synchronization signal and physical broadcast channel Synchronization Signal and physical broadcast channel (Synchronization Signal and PBCH block, SSB) signal, channel state information reference signal (Channel State Information-Reference Signal, CSI-RS), demodulation reference signal (Demodulation Reference Signal, DMRS), channel sounding reference Signal (Sounding Reference Signal, SRS), Positioning Reference Signal (PRS), Phase Tracking Reference Signal (PTRS), etc.;
  • CSI-RS Channel State Information-Reference Signal
  • DMRS demodulation reference signal
  • SRS Sounding Reference Signal
  • PRS Positioning Reference Signal
  • PTRS Phase Tracking Reference Signal
  • the above-mentioned first signal can also be a single-frequency continuous wave (CW), a frequency-modulated continuous wave (Frequency Modulated CW, FMCW) commonly used in radar, and an ultra-wideband Gaussian pulse, etc.;
  • CW single-frequency continuous wave
  • FMCW frequency-modulated continuous wave
  • ultra-wideband Gaussian pulse etc.
  • the above-mentioned first signal can also be a newly designed dedicated signal, such as a signal with good correlation characteristics and low peak-to-average power ratio, or a newly designed synaesthesia integrated signal, which not only carries certain information, but also has relatively high Good perceived performance.
  • the first signal is a signal formed by splicing, combining or superimposing at least one dedicated sensing signal/reference signal and at least one communication signal in the time domain and/or frequency domain.
  • the target measurement result includes the perception measurement result and the communication measurement result:
  • the target measurement result includes: the perception measurement result and the communication measurement result obtained by measuring the same first signal; or
  • the target measurement results include: the perception measurement results obtained by measuring the first signal set, the communication measurement results obtained by measuring the second signal set, the first signal set and the second signal set Each includes a different first signal.
  • the above-mentioned perceptual measurement results and the communication measurement results obtained by measuring the same first signal may be the perceptual measurement results obtained by measuring the perceptual measurement results for one or more first signals, and the perceptual measurement results obtained by measuring the one or more first signals.
  • the communication measurement result is obtained by measuring the communication measurement result of each first signal, that is, each first signal is measured to obtain the corresponding perception measurement result and communication measurement result. In this way, the preamble can be sent when part or all of the perception measurement results and communication measurement results of the first signal meet preset conditions.
  • the above-mentioned perceptual measurement results obtained by measuring the first signal set and the communication measurement results obtained by measuring the second signal set may be that the perceptual measurement results are obtained by measuring part of the first signals, and the perceptual measurement results are obtained by measuring another part of the first signals.
  • Signal measurements yield communication measurement results.
  • the preamble can be sent when part of the perception measurement results of the first signal satisfy the preset condition and part of the communication measurement result of the first signal meets the preset condition.
  • first signal set and the second signal set may include the same or different types of first signals.
  • the method before the terminal measures the first signal to obtain the target measurement result, the method further includes:
  • the terminal receives first indication information, and the first indication information is used to indicate at least one of the following:
  • the above configuration information includes at least one of the following:
  • Waveform type subcarrier interval, guard interval, bandwidth, burst duration, time domain interval, transmit power, signal format, signal direction, time resources, frequency domain resources, quasi co-location (QCL) ) relationship, antenna configuration information.
  • QCL quasi co-location
  • the above waveform types can be Orthogonal frequency division multiplex (OFDM), Single-carrier Frequency-Division Multiple Access (SC-FDMA), Orthogonal Time Frequency Space, OTFS), Frequency Modulated Continuous Wave (FMCW) or pulse signals, etc.;
  • OFDM Orthogonal frequency division multiplex
  • SC-FDMA Single-carrier Frequency-Division Multiple Access
  • OTFS Orthogonal Time Frequency Space
  • FMCW Frequency Modulated Continuous Wave
  • pulse signals etc.
  • the above subcarrier spacing may be the subcarrier spacing of an OFDM system, for example: 30 KHz;
  • the above-mentioned guard interval may be the time interval from the time when the signal is transmitted to the time when the latest echo signal of the signal is received.
  • This parameter is proportional to the maximum sensing distance. For example, it can be calculated by 2d max /c.
  • d max is the maximum sensing distance (belonging to sensing requirements). For example, for spontaneous self-receiving sensing signals, d max represents the sensing signal transmitting and receiving point to the signal emission.
  • the maximum distance between points; in some cases, the OFDM signal cyclic prefix (CP) can play the role of the minimum guard interval.
  • the above bandwidth is inversely proportional to the distance resolution, which can be obtained by c/(2 ⁇ d), where ⁇ d is the distance resolution (perception requirement) and c is the speed of light;
  • the above-mentioned Burst duration can be inversely proportional to the rate resolution (belonging to the perception requirement).
  • This parameter is the time span of the perception signal, which is mainly used to calculate the Doppler frequency offset.
  • This parameter can be calculated by c/(2f c ⁇ v), where ⁇ v is the velocity resolution and f c is the carrier frequency of the perception signal.
  • the above time domain interval can be calculated by c/(2f c v range ), where v range is the maximum rate minus the minimum speed (belonging to the sensing requirements), and this parameter is the time interval between two adjacent sensing signals.
  • the above transmit power can take a value every 2dBm from -20dBm to 23dBm.
  • the above signal format can be SRS, DMRS, PRS, etc., or other predefined signals, as well as related sequence format and other information.
  • the above-mentioned signal direction may be the direction of the first signal or beam information.
  • the above time resource can be the time slot index where the first signal is located or the symbol index of the time slot; among them, time resources are divided into two types, one is a one-time time resource, for example, one symbol sends an omnidirectional sensing signal; the other is a one-time time resource. It is a non-disposable time resource, such as multiple groups of periodic time resources or discontinuous time resources (can include start time and end time). Each group of periodic time resources sends sensing signals in the same direction, and different groups of periods The beam directions on sexual time resources are different;
  • the above-mentioned frequency resources may include the center frequency point, bandwidth, resource block (RB), subcarriers, reference point (Point A), starting bandwidth position, etc. of the first signal.
  • the above-mentioned QCL relationship may be the resource of the first signal and the QCL of the SSB.
  • the first signal includes multiple resources.
  • Source each resource has an SSB QCL
  • the QCL includes Type A, Type B, Type C or Type D.
  • the above-mentioned antenna configuration information may be the antenna configuration information of a device that sends or receives the first signal (for example, a network-side device or a terminal), and may include at least one of the following:
  • the antenna array element ID or antenna port ID used to send and/or receive the first signal
  • the position information of the antenna element used to send and/or receive sensing signals relative to a local reference point on the antenna array for example: Cartesian coordinates (x, y, z) or spherical coordinates can be used express;
  • the position information of the panel used to send and/or receive the sensing signal relative to a local reference point on the antenna array for example, in Cartesian coordinates (x, y, z) or spherical coordinates Indicates the position information of the antenna array elements in the selected panels for sending the sensing signals relative to a unified reference point of the panel (such as the center point of the panel), for example, Cartesian coordinates (x, y, z) or spherical coordinates express);
  • the bitmap information of the antenna array element uses “1" to indicate that the array element is selected for transmitting and/or receiving sensing signals, and uses "0" to indicate that the array element is not selected (the reverse can also be done) ;
  • the bitmap information of the array panel for example: the bitmap uses “1” to indicate that the panel is selected for sending and/or receiving sensing signals, and uses "0" to indicate that the array element is not selected (the reverse can also be done). And the bitmap information of these array elements in the selected panel.
  • the types of the above-mentioned perceptual measurement results may include at least one of the following:
  • sensing signal-to-noise ratio SIGNAL-NOISE RATIO, SNR
  • sensing signal to interference plus noise ratio SINR
  • whether the sensing target exists sensing target individuality Number
  • perceived radar cross section RCS
  • perceived spectrum information perceived delay, perceived distance, perceived Doppler, perceived speed, and perceived angle information.
  • the first preset condition corresponding to the above-mentioned perception measurement result may be a threshold condition corresponding to the perception measurement result, such as: signal component power, perception SNR, perception SINR, number of perception targets, perception RCS, perception spectrum information, perception delay, There are corresponding threshold conditions for perceived distance, perceived Doppler, perceived speed or perceived angle information.
  • the above measurement requirement can be used to instruct the terminal whose perception measurement result obtained by measuring the first signal meets the preset condition to send a preamble. If the above measurement requirement is a perception requirement, the perception requirement can be used to indicate the perception link obtained by measuring the first signal. Terminals whose performance meets the sensing conditions send preambles.
  • the measurement can be performed based on the first indication information and the preamble can be sent, thereby improving the accuracy of the terminal in measuring and sending the preamble.
  • the method before sending the preamble, the method further includes:
  • Preamble transmission parameters are determined based on at least one of the perception measurement results and the communication measurement results, and the communication measurement results are the communication measurement results included in the target measurement results.
  • the preamble transmission parameters may be determined based on the perception measurement results; in the case where the above target measurement results include communication measurement results, In the case of a result, in this embodiment, the preamble transmission parameter may be determined based on at least one of the perception measurement result and the communication measurement result.
  • preamble transmission parameters may include at least one of the following:
  • Time domain resources frequency domain resources, and preamble sequence parameters.
  • the above time domain resource is the time domain resource location where the above preamble is sent
  • the above frequency domain resource is the frequency domain resource location where the above preamble is sent
  • the above preamble sequence parameter may be a preamble sequence format or a preamble sequence index, etc.
  • the above-mentioned preamble transmission parameters include at least one of the following:
  • Preamble transmission parameters corresponding to at least one first signal of a third signal set includes: the perception measurement result satisfies the first preset condition, and the communication measurement result satisfies the second preset condition first signal;
  • Preamble transmission parameters corresponding to the fourth signal set including: at least one first signal of the fifth signal set and at least one first signal of the sixth signal set;
  • the fifth signal set includes: a first signal indicating that the perception measurement result satisfies the first preset condition; and the sixth signal set includes: a first signal indicating that the communication measurement result satisfies the second preset condition.
  • the correspondence or mapping relationship between the first signal and the preamble transmission parameters is defined by the protocol and/or configured by the base station to the terminal.
  • each first signal corresponds to a set of preamble transmission parameters.
  • the preamble transmission parameters corresponding to each first signal include at least one of the following:
  • the sending parameters configured on the network side and the sending parameters defined by the protocol are configured on the network side and the sending parameters defined by the protocol.
  • preamble transmission parameters corresponding to different first signals may be different, or the preamble transmission parameters corresponding to part of the first signals may be the same.
  • the perception measurement result of each first signal in the third signal set satisfies the first preset condition, and the communication measurement result satisfies the second preset condition.
  • the preamble transmission parameters corresponding to at least one first signal in the third signal set may be to select at least one first signal in the third signal set and determine the preamble transmission parameters corresponding to the at least one first signal.
  • the perception measurement result of each first signal in the fifth signal set satisfies the first preset condition
  • the communication measurement result of each first signal in the sixth signal set satisfies the second preset condition.
  • the preamble transmission parameters corresponding to the fourth signal set may include selecting at least one first signal in the fifth signal set, selecting at least one first signal in the sixth signal set, and then determining at least one first signal selected in the fifth signal set.
  • the transmission parameters are the same, that is to say, the finally determined preamble transmission parameters respectively correspond to at least one first signal of the fifth signal set and at least one first signal of the sixth signal set, so that the finally determined preamble transmission parameters are both Corresponding to the first signal whose sensing measurement result satisfies the first preset condition, and corresponds to the first signal whose communication measurement result satisfies the second preset condition, and then Improve preamble sending performance.
  • the above preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set. It can be understood that the above preamble transmission parameters include Two sets of preamble transmission parameters.
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set.
  • the sending preamble includes:
  • a preamble is sent based on a preamble transmission parameter corresponding to at least one first signal of the sixth signal set.
  • the preamble can be sent twice, for example, different preambles can be sent twice.
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the third signal set or preamble transmission parameters corresponding to the fourth signal set
  • the terminal sends a preamble, and the uplink transmit power of the one preamble is determined based on the reference signal received power (RSRP) of the first signal whose communication measurement result satisfies the second preset condition.
  • RSRP reference signal received power
  • Determining the uplink transmit power according to the RSRP may be determining the uplink transmit power according to the calculation formula or mapping relationship between the RSRP and the uplink transmit power as agreed in the protocol.
  • the uplink transmission power of the preamble based on the RSRP of the first signal whose communication measurement results satisfy the second preset condition, so that the uplink transmission power of the preamble and the communication measurement result meet the second preset condition.
  • the RSRP of the first signal matches, thereby improving the transmission reliability of the preamble.
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set.
  • the terminal sends two preambles, where the uplink transmit power of one preamble is determined based on the RSRP of the first signal whose communication measurement result satisfies the second preset condition, and the other preamble The uplink transmit power is determined based on the RSRP of the first signal whose sensing measurement result satisfies the first preset condition.
  • the uplink transmit power of a preamble based on the RSRP of the first signal whose communication measurement results meet the second preset condition, and to determine the RSRP of the first signal that meets the first preset condition based on the perception measurement result.
  • the uplink transmit power of the other preamble is used to realize that the two preambles are sent with different powers, thereby improving the success rate of terminal access.
  • the sending preamble includes:
  • the above-mentioned perceptual measurements may include the following four categories:
  • the first-level measurement quantity includes: received signal/channel response complex result, amplitude/phase, I/Q path and its operation results (operations include addition, subtraction, multiplication and division, matrix addition, subtraction and multiplication, matrix transposition, trigonometric relation operations, square root operations, power operations, etc., as well as threshold detection results, maximum/minimum value extraction results, etc.
  • the operations also include Fast Fourier Transform (FFT)/Inverse Fast Fourier Transform ( Inverse Fast Fourier Transform (IFFT), Discrete Fourier Transform (DFT)/Inverse Discrete Fourier Transform (IDFT), 2D-FFT, 3D-FFT, matched filtering, autocorrelation operation , wavelet transform and digital filtering, etc., as well as the threshold detection results, maximum/minimum value extraction results, etc. of the above operation results);
  • FFT Fast Fourier Transform
  • IFFT Inverse Fast Fourier Transform
  • DFT Discrete Fourier Transform
  • IDFT Inverse Discrete Fourier Transform
  • 2D-FFT Discrete Fourier Transform
  • 3D-FFT matched filtering
  • autocorrelation operation matched filtering
  • wavelet transform and digital filtering etc.
  • the second level of measurement includes: time delay, Doppler, angle, intensity, and their multi-dimensional combination representation;
  • Third-level measurement quantities including: distance, speed, orientation, spatial position, acceleration;
  • the fourth level measurement quantity includes: target existence, trajectory, movement, expression, vital signs, quantity, imaging results, weather, air quality, shape, material, and composition.
  • the above-mentioned perceptual measurement quantity may also include corresponding label information, such as at least one of the following:
  • Sensing business information for example: sensing business ID
  • Sensing node information for example: UE ID, node location, device orientation
  • Sensing link information for example: sensing link sequence number, sending and receiving node identification
  • Measurement quantity description information in the form such as: amplitude, phase, complex number, resource information such as antenna/antenna pair/antenna group, physical resource block (Physical Resource Block, PRB), symbol);
  • Measurement quantity indicator information such as: Signal to Noise Ratio (SNR), perceived SNR.
  • SNR Signal to Noise Ratio
  • the above-mentioned first message includes the sensing measurement result, which may be that in the two-step random access process, the terminal sends a preamble and sends the first message through the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH) of MSG A (message A).
  • PUSCH Physical Uplink Shared Channel
  • the network side device can determine the sensing measurement quantity corresponding to the sensing measurement result, thereby more accurately understanding the sensing link performance of the terminal.
  • the perceptual measurement results include at least one of the following:
  • the signal component power of the first perceived signal may be power information of a signal component associated with a perceived target, for example, power information of a perceived path.
  • the signal component power that is greatly affected by the perceived target in the received first signal may include at least one of the following:
  • the amplitude of the sample point is the power value calculated from the target amplitude;
  • IFFT inverse Fourier transform
  • the power value calculated is based on the amplitude corresponding to the sample point with the largest amplitude in the Fourier transform (FFT) result (Doppler domain) of the time domain channel response of the received first signal as the target amplitude, or the power value calculated based on the maximum amplitude.
  • the amplitude corresponding to each sample point is the power value calculated as the target amplitude; or, the amplitude corresponding to the sample point with the largest amplitude in a specific Doppler range is the power value calculated as the target amplitude, or the power value calculated based on the largest amplitude is The amplitude corresponding to the sample point is the power value calculated from the target amplitude.
  • the power value calculated is based on the two-dimensional Fourier transform result of the channel response of the received first signal, that is, the amplitude corresponding to the sample point with the largest amplitude in the delay-Doppler domain result, as the target amplitude, or the power value calculated based on the maximum amplitude.
  • the amplitude corresponding to each sample point is the power value calculated from the target amplitude; or, the amplitude corresponding to the sample point with the largest amplitude within a specific delay-Doppler range is the power value calculated from the target amplitude, or the power value calculated from the maximum amplitude
  • the amplitude corresponding to the multiple sample points is the power value calculated from the target amplitude.
  • the above-mentioned amplitude may be the maximum or the amplitude exceeds a specific threshold value.
  • the above-mentioned specific threshold value may be indicated by the network side device or calculated by the terminal based on noise and/or interference power.
  • the above-mentioned specific delay/Doppler range is related to the sensing requirements and can be indicated by the network side device or obtained by the terminal according to the sensing requirements.
  • the above-mentioned perceived SNR may be the ratio of the perceived signal component power of the first signal to the noise power
  • the above-mentioned perceived SINR may be the ratio of the perceived signal component power of the first signal to the sum of the powers of noise and interference.
  • the signal component power of the first signal is perceived to be the echo power.
  • the method for obtaining the echo signal power can be at least one of the following options:
  • Method 1 Based on the time delay one-dimensional graph obtained by fast time dimension FFT processing of the echo signal, a constant false alarm rate detector (CFAR) is performed, and the maximum amplitude sample point of the CFAR over-threshold is taken as the target sample point, and its amplitude is taken as the target signal amplitude to calculate the echo signal power, as shown in Figure 4;
  • CFAR constant false alarm rate detector
  • Method 2 Perform CFAR based on the Doppler one-dimensional map obtained by slow-time FFT processing of the echo signal.
  • the sample point with the maximum amplitude of the CFAR crossing the threshold is the target sample point, and its amplitude is the target signal amplitude to calculate the echo.
  • Signal power same as shown in Figure 4;
  • Method 3 The delay-Doppler two-dimensional map obtained by 2D-FFT processing of the echo signal is entered into CFAR, and the sample point with the maximum amplitude of the CFAR crossing the threshold is used as the target sample point, and its amplitude is used as the target signal amplitude for calculation. Echo signal power;
  • Method 4 Perform CFAR based on the delay-Doppler-angle three-dimensional map obtained by 3D-FFT processing of the echo signal. Use the sample point with the maximum amplitude of the CFAR that passes the threshold as the target sample point and its amplitude as the target signal amplitude. Calculate the echo signal power;
  • the method of determining the signal amplitude can also be to use the CFAR threshold-crossing amplitude maximum sampling point and the average of several adjacent threshold-crossing sampling points as the target signal amplitude to calculate the echo signal power.
  • the method for obtaining the above-mentioned perceptual SNR and perceptual SINR may include at least one of the following methods:
  • Method 1 Perform CFAR based on the one-dimensional time delay map obtained by fast time-dimensional FFT processing of the echo signal.
  • the target Signal amplitude and interference/noise signal amplitude calculate SNR/SINR, ⁇ is a constant;
  • Method 2 Perform CFAR based on the Doppler one-dimensional map obtained by slow-time FFT processing of the echo signal.
  • the sample point with the maximum amplitude of the CFAR crossing the threshold is the target sample point, its amplitude is the target signal amplitude, and the one-dimensional sample point is the target sample point.
  • all sample points other than ⁇ n sample points from the position of the target sample point are interference/noise sample points, and their average amplitude is calculated as the interference/noise signal amplitude.
  • the target signal amplitude and the interference/noise signal are calculated.
  • Amplitude calculation SNR/SINR, eta is a constant;
  • Method 3 The delay-Doppler two-dimensional map obtained by 2D-FFT processing of the echo signal is entered into CFAR.
  • the sample point with the maximum amplitude of CFAR passing the threshold is used as the target sample point, and its amplitude is used as the target signal amplitude.
  • all sample points other than ⁇ (fast time dimension) and ⁇ (slow time dimension) sample points from the target sample point are interference/noise sample points, and their average amplitude is calculated as interference/noise sample points.
  • Method 4 Perform CFAR based on the delay-Doppler-angle three-dimensional map obtained by 3D-FFT processing of the echo signal.
  • the sample point with the maximum amplitude of the CFAR crossing the threshold is the target sample point, and its amplitude is the target signal amplitude.
  • All sample points other than ⁇ (fast time dimension), ⁇ (slow time dimension) and ⁇ (angle dimension) sample points from the target sample point are interference/noise sample points, and their average amplitudes are calculated. is the interference/noise signal amplitude.
  • the SNR/SINR is calculated based on the target signal amplitude and the interference/noise signal amplitude, and ⁇ is a constant;
  • Method 5 The method for determining the target signal amplitude.
  • the maximum sample point of CFAR that crosses the threshold as the target sample point, it can also be based on the maximum sample point of CFAR that crosses the threshold and several of its nearest neighbors. The average value of the threshold sample points is used as the target signal amplitude.
  • the method for determining the interference/noise sample points can also be to further screen based on the interference/noise sample points determined above.
  • the screening method is: for the one-dimensional delay diagram, remove several sample points near the delay of 0 , use the remaining interference/noise sample points as noise sample points; or, for the Doppler one-dimensional map, remove several sample points near Doppler 0, and use the remaining interference/noise sample points
  • the points are interference/noise sample points; or, for the delay-Doppler two-dimensional diagram, remove the interference/noise sample points in the strip range composed of several points near the delay 0 and the entire Doppler range.
  • interference/noise sample points use the remaining noise sample points as interference/noise sample points; or, for the delay-Doppler-angle three-dimensional diagram, remove several points attached to the time dimension 0, the entire Doppler range, and the entire angle range.
  • the interference/noise sample points in the slice-like range are formed, and the remaining interference/noise sample points are used as interference/noise sample points.
  • the above-mentioned sensing of whether the target exists may be sensing whether there is a sensing target, or sensing whether there is a target within a preset range of speed/Doppler, or sensing whether there is a target within a preset range of distance/delay.
  • the number of sensing targets mentioned above may be the number of targets within the preset range of sensing speed/Doppler, or the number of targets within the preset range of sensing distance/delay.
  • the above-mentioned preset range may be obtained through sensing demand information.
  • the way to determine whether a target exists may be to determine whether there is a sample point with an amplitude exceeding a specific threshold in the delay/Doppler one-dimensional or two-dimensional map. If there is, the target is considered to be detected; determine The number of existing targets can be: the number of sample points whose amplitude exceeds a specific threshold in the delay/Doppler one-dimensional or two-dimensional map is considered the number of targets.
  • the above-mentioned sensing RCS may be the RCS information of a single sensing target or the RCS information of multiple targets.
  • the above-mentioned perceptual spectrum information may include at least one of the following:
  • Delay power spectrum Doppler power spectrum, delay/distance-Doppler/velocity spectrum, angle power spectrum, delay/distance-angle spectrum, Doppler/velocity-angle spectrum, delay/distance-multiple Puller/velocity-angle spectrum.
  • the above-mentioned sensing delay, sensing distance, sensing Doppler, sensing speed and sensing angle information may be the sensing information of a single sensing target or the sensing information of multiple targets.
  • the transmission of the preamble can be triggered based on the perception measurement, so that the first signal corresponding to the preamble is sent to meet the perception requirements.
  • the communication measurement result is the communication performance measurement result
  • the communication performance can be comprehensively considered.
  • perception performance to select the first signal (for example: SSB), and the target first signal (for example: target SSB) can be found in time to meet the perception requirements.
  • the first preset condition corresponding to the perceptual measurement result includes at least one of the following:
  • the signal component power of the sensed first signal satisfies a first threshold condition
  • the perceived SNR satisfies the second threshold condition
  • the perceived SINR satisfies the third threshold condition
  • the number of perceived targets meets the fourth threshold condition
  • the sensing radar cross-sectional area RCS satisfies the fifth threshold condition
  • the sensing spectrum information satisfies the sixth threshold condition
  • the perceived delay satisfies the seventh threshold condition
  • the sensing distance satisfies the eighth threshold condition
  • the perceived Doppler meets the ninth threshold condition
  • the perception speed satisfies the tenth threshold condition
  • the perceived angle information satisfies the eleventh threshold condition.
  • the first to eleventh threshold conditions are configured by the network side or agreed upon by the protocol, and each threshold condition may include one or more thresholds.
  • the above-mentioned sensing that the signal component power of the first signal satisfies the first threshold condition may be that the signal component power of one first signal satisfies the first threshold condition, or it may be that the signal component power of X first signals satisfies the first threshold condition.
  • Threshold condition X is configured on the network side, X is an integer greater than 1, and the signal component power is calculated based on X first signals.
  • the above perceived SNR satisfying the second threshold condition may be that the perceived SNR of one first signal satisfies the second threshold condition, or it may be that the perceived SNR of X first signals satisfies the second threshold condition, and the perceived SNR is Calculated based on X first signals.
  • the above perceived SINR satisfying the second threshold condition may be that the perceived SINR of one first signal satisfies the third threshold condition, or it may be that the perceived SINR of X first signals satisfies the third threshold condition, and the perceived SINR is Calculated based on X first signals.
  • the number of sensing targets meeting the fourth threshold condition may be that at least Y targets are detected, and Y is specified by the network side or the configuration or protocol.
  • the number of perceived targets that meets the fourth threshold condition may also be achieved by using a bitmap-like method, wherein each bit position of the bitmap represents a certain target, a bit of 1 represents that the target is detected, and a bit of 0 represents that the target is not detected.
  • the bitmap corresponding to the fourth threshold condition is a network-side device configuration or a protocol agreement.
  • the above-mentioned sensing RCS satisfying the fifth threshold condition may be that the RCS information of a single sensing target satisfies the fifth threshold condition, or it may be that the RCS information of multiple targets satisfies the fifth threshold condition.
  • the above-mentioned perception spectrum information, perception delay, perception distance, perception Doppler, perception speed and perception angle information may be the perception information of a single perception target or the perception information of multiple targets satisfying corresponding threshold conditions.
  • the perceived performance evaluation index corresponding to the perceived link performance may be calculated based on the perceived measurement amount.
  • the perceived performance evaluation index may include at least one of the following:
  • Perceptual SNR which is the energy of the perceptual signal reflected by the perceptual object or perceptual area, versus the noise signal in the environment and device energy ratio
  • Perception SINR which is the ratio of the energy of the sensing signal reflected by the sensing object or sensing area to the sum of the energy of the interference signal and noise signal in the environment and equipment;
  • Perception can include some evaluation indicators (such as the sum of the Euclidean Distance between the two sequence sample points, or the regular path distance in Dynamic Time Warping (DTW), or other similarities that can reflect the two sequences Specific indicators, including but not limited to: Longest Common Subsequence (LCSS), Edit Distance on Real Sequences (EDR), Edit Distance with Real Penalty (ERP), Hausdorff Distance, Fréchet Distance, One Way Distance (OWD), Locality In-between Polylines (LIP), etc.).
  • LCSS Longest Common Subsequence
  • EDR Edit Distance on Real Sequences
  • ERP Edit Distance with Real Penalty
  • Hausdorff Distance Fréchet Distance
  • OTD One Way Distance
  • LIP Locality In-between Polylines
  • the communication measurement results include at least one of the following:
  • RSRP received signal strength indicator
  • RSSI Received Signal Strength Indication
  • Precoding matrix indicator Precoding matrix indicator, PMI
  • rank indicator Rank indicator, RI
  • channel quality indicator Choannel quality indicator, CQI
  • signal-to-noise ratio signal to interference plus noise ratio
  • Bit error probability Bit Error Ratio, BER
  • Block Error Rate BLER
  • the communication measurement result may be a communication link measurement result, or may be referred to as communication link performance.
  • the preamble is sent based on the communication link performance.
  • first to eleventh threshold conditions may be that if the sensing measurement results of one or more first signals meet the corresponding threshold conditions, it means that the sensing link performance meets the communication conditions, and thus the preamble is sent.
  • the second preset condition corresponding to the communication measurement result includes at least one of the following:
  • the RSRP meets the twelfth threshold condition
  • the RSSI meets the thirteenth threshold condition
  • the PMI meets the fourteenth threshold condition
  • the RI satisfies the fifteenth threshold condition
  • the CQI meets the sixteenth threshold condition
  • the SNR meets the seventeenth threshold condition
  • the SINR satisfies the eighteenth threshold condition
  • the BER satisfies the nineteenth threshold condition
  • the BLER satisfies the twentieth threshold condition.
  • each threshold condition can include one or more thresholds.
  • the above-mentioned twelfth to twentieth threshold conditions may be communication of one or more first signals. If the measurement results meet the corresponding threshold conditions, it means that the communication link performance meets the communication conditions, and the preamble is sent.
  • the sending preamble includes:
  • MSG A is sent, which MSG A includes the preamble.
  • the preamble can be sent in a four-step random access process or a two-step random access process.
  • This embodiment uses four-step random access as an example (specifically, it can be executed when the downlink sensing requirement arrives), which specifically includes the following steps:
  • Step 1 The base station sends the first indication information to one or more UEs;
  • the first indication information is used to indicate at least one of the following:
  • Sensing requirements can be used to instruct UEs whose sensing link performance obtained by measuring the first signal (such as SSB) meets the sensing conditions to send a preamble to the base station.
  • the above-mentioned first indication information may be L1 signaling carried by the PDCCH (such as MSG0, etc.), SIB signaling such as SIB 1, MAC CE, RRC signaling, paging (Paging), etc.
  • Step 3 The UE determines whether to send a preamble based on whether the sensing link performance measured on the first signal meets the sensing conditions and/or whether the communication link performance meets the communication conditions; specifically:
  • the UE needs to send the preamble
  • the UE does not need to send the preamble.
  • Step 4 If the UE determines to send a preamble, the UE determines the transmission parameters of the preamble (including time domain resources, frequency domain resources and preamble sequence parameters, etc.); the specific parameters may be as follows:
  • Method A for the UE to determine the transmission parameters of the preamble determine a set of target SSBs (a type of first signal) whose sensing link performance meets the sensing conditions and whose communication link performance meets the communication conditions; select one or more target SSB sets from the target SSB set SSB, determine the sending parameters of the preamble corresponding to the one or more SSBs (send a preamble, the preamble corresponds to an SSB in the target SSB set whose sensing link performance meets the sensing conditions and the communication link performance meets the communication conditions); or,
  • Method B for the UE to determine the transmission parameters of the preamble Determine the target SSB set whose sensing link performance meets the sensing conditions Combine; select one or more SSBs (SSB set X) from the target SSB set; determine the target SSB set whose communication link performance meets the communication conditions; select one or more SSBs (SSB set Y) from the target SSB set; determine The sending parameters of the preamble corresponding to SSB set X and SSB set Y; in this case, send the preamble once; or,
  • Method C for the UE to determine the sending parameters of the preamble Determine the target SSB set whose sensing link performance meets the sensing conditions; select one or more SSBs from the target SSB set and determine the sending parameters of preamble 1 corresponding to the one or more SSBs ; Determine the target SSB set whose communication link performance meets the communication conditions; select one or more SSBs from the target SSB set, and determine the sending parameters of preamble 2 corresponding to the one or more SSBs; in this case, send two preambles;
  • the transmission parameters of the preamble corresponding to one or more SSBs are defined by the base station configuration and/or protocol.
  • Step 5 The UE sends one or more preambles to the base station according to the transmission parameters of the one or more preambles determined in the previous step.
  • the uplink power control of the Preamble can determine the uplink power of the Preamble based on the RSRP of the first signal whose communication link performance meets the communication conditions;
  • the uplink power control of the two Preambles can determine the uplink transmit power of Preamble 1 based on the RSRP of the first signal whose communication link performance meets the communication conditions; and the uplink transmit power of Preamble 1 based on the perception link performance that meets the sensing conditions.
  • the RSRP of a signal is used to determine the uplink transmit power of Preamble 2;
  • preambleReceivedTargetPower two preamble received target powers (preambleReceivedTargetPower) can be set for communication and sensing respectively;
  • the UE If the UE does not receive the MSG 2 corresponding to the preamble sent by the UE within the preset window (MSG2 is sent by the base station), the UE resends the preamble.
  • the power of re-transmitting the preamble can be greater than the power of the last time the preamble was sent;
  • the UE when the UE sends MSG 3, it can send the sensing measurement amount of the first signal or the sensing measurement result of the first signal to the base station.
  • This embodiment uses two-step random access as an example (specifically, it can be executed when the downlink sensing requirement arrives), which specifically includes the following steps:
  • Step 1 The base station sends the first indication information to one or more UEs;
  • the first indication information is used to indicate at least one of the following:
  • the sensing requirements can be used to instruct the UE whose sensing link performance obtained by measuring the first signal such as SSB meets the sensing conditions to send a preamble to the base station.
  • the first indication information can be L1 signaling carried by PDCCH (such as MSG0, etc.), SIB signaling such as SIB 1, MAC CE, RRC signaling, Paging, etc.;
  • Step 3 The UE determines whether to send a preamble based on whether the sensing link performance measured on the first signal meets the sensing conditions and/or whether the communication link performance meets the communication conditions; specifically:
  • the UE needs to send the preamble
  • the UE does not need to send the preamble
  • Step 4 If the UE determines to send the preamble, the UE determines the sending parameters of the preamble (including time domain resources, frequency domain resources and preamble sequence parameters, etc.). The details can be as follows:
  • Method A for the UE to determine the transmission parameters of the preamble determine a target SSB (a type of first signal) set whose sensing link performance meets the sensing conditions and whose communication link performance meets the communication conditions; select one or more target SSB sets from the target SSB set SSB, determine the sending parameters of the preamble corresponding to the one or more SSBs (send a preamble, the preamble corresponds to an SSB in the target SSB set whose sensing link performance meets the sensing conditions and the communication link performance meets the communication conditions); or,
  • Method B for the UE to determine the transmission parameters of the preamble determine the target SSB set whose sensing link performance meets the sensing conditions; select one or more SSBs (SSB set X) from the target SSB set; determine the communication link performance that meets the communication conditions Target SSB set; select one or more SSBs (SSB set Y) from the target SSB set; determine the sending parameters of the preamble corresponding to SSB set X and SSB set Y; in this case, send a preamble; or,
  • Method C for the UE to determine the sending parameters of the preamble Determine the target SSB set whose sensing link performance meets the sensing conditions; select one or more SSBs from the target SSB set and determine the sending parameters of preamble 1 corresponding to the one or more SSBs ; Determine the target SSB set whose communication link performance meets the communication conditions; select one or more SSBs from the target SSB set, and determine the sending parameters of preamble 2 corresponding to the one or more SSBs; in this case, send preamble twice;
  • the transmission parameters of the preamble corresponding to one or more SSBs are defined by the base station configuration and/or protocol.
  • Step 5 The UE sends one or more preambles to the base station according to the transmission parameters of the one or more preambles determined in the previous step;
  • the uplink power control of the Preamble can be determined based on the RSRP of the first signal whose communication link performance meets the communication conditions;
  • the uplink power control of the two Preambles determine the uplink power of Preamble 1 based on the RSRP of the first signal whose communication link performance meets the communication conditions; determine the uplink power of Preamble 1 based on the perception link performance of the first signal that meets the sensing conditions.
  • RSRP to determine the uplink power of Preamble 2;
  • two preambleReceivedTargetPower can be set for communication and perception respectively;
  • the PUSCH part of MSGA sent by the UE may carry the perception measurement quantity of the first signal or the perception measurement result of the first signal.
  • Step 6 If the UE does not receive the MSG B corresponding to the preamble sent by the UE within the preset window (MSG is sent by the base station), the UE resends the preamble.
  • Figure 5 is a structural diagram of a preamble sending device provided by an embodiment of the present application. As shown in Figure 5, the preamble sending device 500 includes:
  • the measuring module 501 is configured to measure the first signal to obtain a target measurement result, wherein the target measurement result includes: a perception measurement result;
  • the sending module 502 is configured to send a preamble based on the target measurement result.
  • the target measurement results also include: communication measurement results.
  • the sending module 502 is configured to send a preamble when the target measurement result meets a preset condition.
  • the target measurement result satisfying the preset conditions includes at least one of the following:
  • the perceptual measurement result satisfies the first preset condition
  • the communication measurement result satisfies the second preset condition.
  • the target measurement result includes the perception measurement result and the communication measurement result:
  • the target measurement results include: the perception measurement results and the communication measurement results obtained by measuring the same first signal; or
  • the target measurement results include: the perception measurement results obtained by measuring the first signal set, the communication measurement results obtained by measuring the second signal set, the first signal set and the second signal set Each includes a different first signal.
  • the device also includes:
  • a receiving module configured to receive first indication information, where the first indication information is used to indicate at least one of the following:
  • the configuration information includes at least one of the following:
  • Waveform type subcarrier spacing, guard interval, bandwidth, burst duration, time domain interval, transmit power, signal format, signal direction, time resources, frequency domain resources, quasi-co-site QCL relationship, and antenna configuration information.
  • the device also includes:
  • a determining module configured to determine preamble transmission parameters based on at least one of the perception measurement results and the communication measurement results, where the communication measurement results are the communication measurement results included in the target measurement results.
  • the preamble transmission parameters include at least one of the following:
  • Preamble transmission parameters corresponding to at least one first signal in a third signal set includes: the The sensing measurement result satisfies the first preset condition, and the communication measurement result satisfies the first signal of the second preset condition;
  • Preamble transmission parameters corresponding to the fourth signal set including: at least one first signal of the fifth signal set and at least one first signal of the sixth signal set;
  • the fifth signal set includes: the first signal whose perception measurement result satisfies the first preset condition
  • the sixth signal set includes: the communication measurement result satisfies the second preset condition. The first signal.
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set.
  • the sending preamble includes:
  • a preamble is sent based on a preamble transmission parameter corresponding to at least one first signal of the sixth signal set.
  • the terminal Send a preamble and the uplink transmit power of the one preamble is determined based on the reference signal received power RSRP of the first signal whose communication measurement result satisfies the second preset condition; or
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set
  • the terminal sends two preambles, wherein the uplink transmission power of one preamble is determined based on the RSRP of the first signal whose communication measurement result meets the second preset condition, and the uplink transmission power of the other preamble is determined based on the RSRP of the first signal whose communication measurement result satisfies the second preset condition.
  • the RSRP of the first signal whose sensing measurement result satisfies the first preset condition is determined.
  • the preamble transmission parameters corresponding to each first signal include at least one of the following:
  • the sending parameters configured on the network side and the sending parameters defined by the protocol are configured on the network side and the sending parameters defined by the protocol.
  • the preamble code sending parameter includes at least one of the following:
  • Time domain resources frequency domain resources, and preamble sequence parameters.
  • the sending preamble includes:
  • the perception measurement result includes at least one of the following:
  • the first preset condition corresponding to the perceptual measurement result includes at least one of the following:
  • the signal component power of the sensed first signal satisfies a first threshold condition
  • the perceived SNR satisfies a second threshold condition
  • the perceived SINR satisfies a third threshold condition
  • the number of perceived targets meets the fourth threshold condition
  • the sensing radar cross-sectional area RCS satisfies the fifth threshold condition
  • the sensing spectrum information satisfies the sixth threshold condition
  • the perceived delay satisfies the seventh threshold condition
  • the sensing distance satisfies the eighth threshold condition
  • the perceived Doppler meets the ninth threshold condition
  • the perceived speed meets the tenth threshold condition
  • the perceived angle information satisfies the eleventh threshold condition.
  • the communication measurement results include at least one of the following:
  • RSRP received signal strength indicator RSSI
  • precoding matrix indicator PMI precoding matrix indicator
  • rank indicator RI channel quality indicator
  • CQI signal-to-noise ratio
  • SINR signal to interference plus noise ratio
  • bit error probability BER block error rate BLER
  • the second preset condition corresponding to the communication measurement result includes at least one of the following:
  • the RSRP meets the twelfth threshold condition
  • the RSSI meets the thirteenth threshold condition
  • the PMI meets the fourteenth threshold condition
  • the RI satisfies the fifteenth threshold condition
  • the CQI meets the sixteenth threshold condition
  • the SNR meets the seventeenth threshold condition
  • the SINR satisfies the eighteenth threshold condition
  • the BER satisfies the nineteenth threshold condition
  • the BLER satisfies the twentieth threshold condition.
  • the sending preamble includes:
  • a message MSG A is sent, which MSG A includes the preamble.
  • the above preamble sending device can improve the sensing performance of the terminal.
  • the preamble sending device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or may be a component in the electronic device, such as an integrated circuit or chip.
  • the electronic device may be a network-side device, or may be other devices besides the network-side device.
  • network-side devices may include but are not limited to the types of network-side devices listed in the embodiments of this application.
  • Other devices may be servers, network attached storage (Network Attached Storage, NAS), etc., which are not specifically limited in the embodiments of this application. .
  • the preamble sending device provided by the embodiment of the present application can implement each process implemented by the method embodiment shown in Figure 3 and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • this embodiment of the present application also provides a communication device 600, which includes a processor 601 and a memory 602.
  • the memory 602 stores programs or instructions that can be run on the processor 601, for example.
  • the communication device 600 is a terminal
  • the program or instruction is executed by the processor 601
  • the steps of the above-mentioned preamble sending method embodiment are implemented, and the same technical effect can be achieved. To avoid duplication, they will not be described again here.
  • An embodiment of the present application also provides a terminal, including a processor and a communication interface, wherein the communication interface is used for a measurement module to measure the first signal to obtain a target measurement result, where the target measurement result includes: perception Measurement results; based on the target measurement results, send a preamble.
  • This terminal embodiment corresponds to the above-mentioned terminal-side method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to the first device embodiment, and can achieve the same technical effect.
  • FIG. 7 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 700 includes but is not limited to: radio frequency unit 701, network module 702, audio output unit 703, input unit 704, sensor 705, display unit 706, user input unit 707, interface unit 708, memory 709, processor 710, etc. at least some parts of it.
  • the terminal 700 may also include a power supply (such as a battery) that supplies power to various components.
  • the power supply may be logically connected to the processor 710 through a power management system, thereby managing charging, discharging, and power consumption through the power management system. Management and other functions.
  • the terminal structure shown in FIG. 7 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or some components may be combined or arranged differently, which will not be described again here.
  • the input unit 704 may include a graphics processing unit (Graphics Processing Unit, GPU) 7041 and a microphone 7042.
  • the graphics processing unit 7041 is responsible for the image capture device (GPU) in the video capture mode or the image capture mode. Process the image data of still pictures or videos obtained by cameras (such as cameras).
  • the display unit 706 may include a display panel 7061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 707 includes a touch panel 7071 and at least one of other input devices 7072 .
  • Touch panel 7071 also called touch screen.
  • the touch panel 7071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 7072 may include but are not limited to physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be described again here.
  • the radio frequency unit 701 after receiving the downlink data from the network side device, the radio frequency unit 701 can transmit it to the processing unit 701.
  • the processor 710 performs processing; in addition, the radio frequency unit 701 can send uplink data to the network side device.
  • the radio frequency unit 701 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 709 may be used to store software programs or instructions as well as various data.
  • the memory 709 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, Image playback function, etc.) etc.
  • memory 709 may include volatile memory or non-volatile memory, or memory 709 may include both volatile and non-volatile memory.
  • non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically removable memory. Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory.
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synch link DRAM) , SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM synchronous link dynamic random access memory
  • SLDRAM direct memory bus
  • the processor 710 may include one or more processing units; optionally, the processor 710 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 710.
  • the radio frequency unit 701 is used to measure the first signal to obtain a target measurement result, where the target measurement result includes: a perceptual measurement result; and based on the target measurement result, send a preamble.
  • the target measurement results also include: communication measurement results.
  • sending a preamble based on the target measurement result includes:
  • the terminal sends a preamble when the target measurement result satisfies a preset condition.
  • the target measurement result when the target measurement result also includes a communication measurement result, the target measurement result satisfies a preset condition including at least one of the following:
  • the perception measurement result satisfies a first preset condition
  • the communication measurement result satisfies the second preset condition.
  • the target measurement result includes the perception measurement result and the communication measurement result:
  • the target measurement results include: the perception measurement results and the communication measurement results obtained by measuring the same first signal; or
  • the target measurement results include: the perception measurement results obtained by measuring the first signal set, the communication measurement results obtained by measuring the second signal set, the first signal set and the second signal set Each includes a different first signal.
  • the radio frequency unit 701 is further used to:
  • the terminal receives first indication information, and the first indication information is used to indicate at least one of the following:
  • the configuration information includes at least one of the following:
  • Waveform type subcarrier interval, guard interval, bandwidth, burst duration, time domain interval, transmit power, signal format, signal direction, time resources, frequency domain resources, quasi-co-located QCL relationship, and antenna configuration information.
  • the radio frequency unit 701 before sending the preamble, the radio frequency unit 701 is also used to:
  • a preamble code sending parameter is determined according to at least one of the perception measurement result and the communication measurement result, where the communication measurement result is the communication measurement result included in the target measurement result.
  • the preamble code sending parameter includes at least one of the following:
  • Preamble transmission parameters corresponding to at least one first signal of a third signal set includes: the perception measurement result satisfies the first preset condition, and the communication measurement result satisfies the second preset condition first signal;
  • Preamble transmission parameters corresponding to the fourth signal set including: at least one first signal of the fifth signal set and at least one first signal of the sixth signal set;
  • the fifth signal set includes: the first signal whose perception measurement result satisfies the first preset condition
  • the sixth signal set includes: the communication measurement result satisfies the second preset condition. The first signal.
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set.
  • the sending preamble includes:
  • a preamble is sent based on a preamble transmission parameter corresponding to at least one first signal of the sixth signal set.
  • the terminal Send a preamble and the uplink transmit power of the one preamble is determined based on the reference signal received power RSRP of the first signal whose communication measurement result satisfies the second preset condition; or
  • the preamble transmission parameters include preamble transmission parameters corresponding to at least one first signal of the fifth signal set, and preamble transmission parameters corresponding to at least one first signal of the sixth signal set
  • the terminal sends two preambles, wherein the uplink transmission power of one preamble is determined based on the RSRP of the first signal whose communication measurement result meets the second preset condition, and the uplink transmission power of the other preamble is determined based on the RSRP of the first signal whose communication measurement result satisfies the second preset condition. Perceptual measurement result If the RSRP of the first signal satisfies the first preset condition, it is determined.
  • the preamble transmission parameters corresponding to each first signal include at least one of the following:
  • the sending parameters configured on the network side and the sending parameters defined by the protocol are configured on the network side and the sending parameters defined by the protocol.
  • the preamble transmission parameters include at least one of the following:
  • Time domain resources frequency domain resources, and preamble sequence parameters.
  • the sending preamble includes:
  • the perceptual measurement results include at least one of the following:
  • the first preset condition corresponding to the perceptual measurement result includes at least one of the following:
  • the signal component power of the sensed first signal satisfies a first threshold condition
  • the perceived SNR satisfies the second threshold condition
  • the perceived SINR satisfies the third threshold condition
  • the number of perceived targets meets the fourth threshold condition
  • the sensing radar cross-sectional area RCS satisfies the fifth threshold condition
  • the sensing spectrum information satisfies the sixth threshold condition
  • the perceived delay satisfies the seventh threshold condition
  • the sensing distance satisfies the eighth threshold condition
  • the perceived Doppler meets the ninth threshold condition
  • the perceived speed meets the tenth threshold condition
  • the perceived angle information satisfies the eleventh threshold condition.
  • the communication measurement results include at least one of the following:
  • RSRP received signal strength indicator RSSI
  • precoding matrix indicator PMI precoding matrix indicator
  • rank indicator RI channel quality indicator
  • CQI signal-to-noise ratio
  • SINR signal to interference plus noise ratio
  • bit error probability BER block error rate BLER
  • the second preset condition corresponding to the communication measurement result includes at least one of the following:
  • the RSRP meets the twelfth threshold condition
  • the RSSI satisfies a thirteenth threshold condition
  • the PMI meets the fourteenth threshold condition
  • the RI satisfies the fifteenth threshold condition
  • the CQI meets the sixteenth threshold condition
  • the SNR meets the seventeenth threshold condition
  • the SINR satisfies the eighteenth threshold condition
  • the BER satisfies the nineteenth threshold condition
  • the BLER satisfies the twentieth threshold condition.
  • the sending preamble includes:
  • a message MSG A is sent, which MSG A includes the preamble.
  • the above terminal can improve the perceptual performance of the terminal.
  • Embodiments of the present application also provide a readable storage medium.
  • Programs or instructions are stored on the readable storage medium.
  • the program or instructions are executed by a processor, each process of the above-mentioned preamble sending method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.
  • 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, etc.
  • An embodiment of the present application further provides a chip.
  • the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor.
  • the processor is used to run programs or instructions to implement the above embodiment of the preamble sending method. Each process can achieve the same technical effect. To avoid repetition, we will not go into details here.
  • chips mentioned in the embodiments of this application may also be called system-on-chip, system-on-a-chip, system-on-chip or system-on-chip, etc.
  • Embodiments of the present application further provide a computer program/program product.
  • the computer program/program product is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the preamble sending method.
  • Each process in the example can achieve the same technical effect. To avoid repetition, we will not repeat it here.
  • the methods of the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better. implementation.
  • the technical solution of the present application can be embodied in the form of a computer software product that is essentially or contributes to the existing technology.
  • the computer software product is stored in a storage medium (such as ROM/RAM, disk , CD), including several instructions to cause a terminal (which can be a mobile phone, computer, server, air conditioner, or network device, etc.) to execute the methods described in various embodiments of this application.

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Abstract

本申请公开了一种前导码发送方法、终端及存储介质，属于通信技术领域，本申请实施例的前导码发送方法包括：终端对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；所述终端基于所述目标测量结果，发送前导码。

Description

前导码发送方法、终端及存储介质
相关申请的交叉引用
本申请主张在2022年9月20日在中国提交的中国专利申请No.202211146481.8的优先权，其全部内容通过引用包含于此。
技术领域
本申请属于通信技术领域，具体涉及一种前导码发送方法、终端及存储介质。
背景技术
终端在四步随机接入过程或者两步随机接入过程中需要向网络侧设备发送前导码(preamble)，例如：在四步随机接入过程中的消息1(Message 1，MSG 1)发送前导码，或者在两步随机接入过程中的消息A(MSG A)发送前导码。然而，在实践研究中发现目前终端发送前导码之前只根据通信相关的测量结果发送前导码，从而发送前导码的终端存在无法满足无线感知需求的情况下，导致终端的感知性能较差。
发明内容
本申请实施例提供一种前导码发送方法、终端及存储介质，能够解决终端的感知性能较差的问题。
第一方面，提供了一种前导码发送方法，包括：
终端对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；
所述终端基于所述目标测量结果，发送前导码。
第二方面，提供了一种前导码发送装置，包括：
测量模块，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；
发送模块，用于基于所述目标测量结果，发送前导码。
第三方面，提供了一种终端，该终端包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现本申请实施例提供的前导码发送方法的步骤。
第四方面，提供了一种终端，包括处理器及通信接口，其中，所述通信接口用于测量模块，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；基于所述目标测量结果，发送前导码。
第五方面，提供了一种可读存储介质，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现本申请实施例提供的前导码发送方法的步骤。
第六方面，提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现本申请实施例提供的前导码发送方法。
第七方面，提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现本申请实施例提供的前导码发送方法的步骤。
在本申请实施例中，终端对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；终端基于所述目标测量结果，发送前导码。这样，由于基于感知测量结果发送前导码，使得发送前导码的终端可以更好的满足感知需求，进而提升感知性能。
附图说明
图1是本申请实施例可应用的一种无线通信系统的框图；
图2是本申请实施例提供的一种感知测量的场景示意图；
图3是本申请实施例提供的一种前导码发送方法的流程图；
图4是本申请实施例提供的一种SNR计算的示意图；
图5是本申请实施例提供的一种前导码发送装置的结构图；
图6是本申请实施例提供的一种通信设备的结构图；
图7是本申请实施例提供的一种终端的结构图。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本申请保护的范围。
本申请的说明书和权利要求书中的术语“第一”、“第二”等是用于区别类似的对象，而不用于描述特定的顺序或先后次序。应该理解这样使用的术语在适当情况下可以互换，以便本申请的实施例能够以除了在这里图示或描述的那些以外的顺序实施，且“第一”、“第二”所区别的对象通常为一类，并不限定对象的个数，例如第一对象可以是一个，也可以是多个。此外，说明书以及权利要求中“和/或”表示所连接对象的至少其中之一，字符“/”一般表示前后关联对象是一种“或”的关系。
值得指出的是，本申请实施例所描述的技术不限于长期演进型(Long Term Evolution，LTE)/LTE的演进(LTE-Advanced，LTE-A)系统，还可用于其他无线通信系统，诸如码分多址(Code Division Multiple Access，CDMA)、时分多址(Time Division Multiple Access， TDMA)、频分多址(Frequency Division Multiple Access，FDMA)、正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)、单载波频分多址(Single-carrier Frequency Division Multiple Access，SC-FDMA)和其他系统。本申请实施例中的术语“系统”和“网络”常被可互换地使用，所描述的技术既可用于以上提及的系统和无线电技术，也可用于其他系统和无线电技术。以下描述出于示例目的描述了新空口(New Radio，NR)系统，并且在以下大部分描述中使用NR术语，但是这些技术也可应用于NR系统应用以外的应用，如第6代(6th Generation，6G)通信系统。
图1示出本申请实施例可应用的一种无线通信系统的框图。无线通信系统包括终端11和网络侧设备12。其中，终端11可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)或称为笔记本电脑、个人数字助理(Personal Digital Assistant，PDA)、掌上电脑、上网本、超级移动个人计算机(ultra-mobile personal computer，UMPC)、移动上网装置(Mobile Internet Device，MID)、增强现实(augmented reality，AR)/虚拟现实(virtual reality，VR)设备、机器人、可穿戴式设备(Wearable Device)、车载设备(Vehicle User Equipment，VUE)、行人终端(Pedestrian User Equipment，PUE)、路侧单元(Road side unit，RSU)、智能家居(具有无线通信功能的家居设备，如冰箱、电视、洗衣机或者家具等)、游戏机、个人计算机(personal computer，PC)、柜员机或者自助机等终端侧设备，可穿戴式设备包括：智能手表、智能手环、智能耳机、智能眼镜、智能首饰(智能手镯、智能手链、智能戒指、智能项链、智能脚镯、智能脚链、智能头盔、智能操纵杆等)、智能腕带、智能服装等。需要说明的是，在本申请实施例并不限定终端11的具体类型。
本申请实施例中，终端11之间可以进行旁链路(sidelink，或译为副链路，侧链路，边链路等，简称为SL)传输，即终端11之间直接在物理层上进行数据传输。终端11之间SL传输可以是广播、单播、多播或组播等。且SL传输的终端可以均是在网的，或者均是脱网的，还可以是部分设备在网，部分设备脱网。
网络侧设备12可以包括无线接入网设备和核心网设备，其中，无线接入网设备也可以称为无线接入网(Radio Access Network,RAN)、无线接入网功能或无线接入网单元。无线接入网设备可以包括基站、无线局域网(Wireless Local Area Networks，WLAN)接入点或WiFi节点等，基站可被称为节点B、演进节点B(eNB)、接入点、基收发机站(Base Transceiver Station，BTS)、无线电基站、无线电收发机、基本服务集(Basic Service Set，BSS)、扩展服务集(Extended Service Set，ESS)、家用B节点、家用演进型B节点、发送接收点(Transmitting Receiving Point，TRP)、小基站或所述领域中其他某个合适的术语，只要达到相同的技术效果，所述基站不限于特定技术词汇，需要说明的是，在本申请实施例中仅以NR系统中的基站为例进行介绍，并不限定基站的具体类型。
核心网设备可以包含但不限于如下至少一项：核心网节点、核心网功能、移动管理实体(Mobility Management Entity，MME)、接入移动管理功能(Access and Mobility Management Function，AMF)、会话管理功能(Session Management Function，SMF)、用 户平面功能(User Plane Function，UPF)、策略控制功能(Policy Control Function，PCF)、策略与计费规则功能单元(Policy and Charging Rules Function，PCRF)、边缘应用服务发现功能(Edge Application Server Discovery Function，EASDF)、统一数据管理(Unified Data Management，UDM)，统一数据仓储(Unified Data Repository，UDR)、归属用户服务器(Home Subscriber Server，HSS)、集中式网络配置(Centralized network configuration，CNC)、网络存储功能(Network Repository Function，NRF)，网络开放功能(Network Exposure Function，NEF)、本地NEF(Local NEF，或L-NEF)、绑定支持功能(Binding Support Function，BSF)、应用功能(Application Function，AF)、网络数据分析功能(Network Data Analytics Function，NWDAF)、位置管理功能(Location Management Function，LMF)等。
本申请实施例中，网络侧设备和终端可以具备感知能力，能够通过无线信号的发送和接收，来感知目标物体的方位、距离、速度等信息，或者对目标物体、事件或环境等进行检测、跟踪、识别、成像等。一些感知功能与应用场景如表1所示：
表1
需要说明的是，上述表1所示的感知类别仅是一个举例说明，本申请实施例中对感知测量的类别并不作限定。
另外，本申请实施例可以应用于通信感知一体化场景，其中，通信感知一体化是指在同一系统中通过频谱共享与硬件共享，实现通信和感知功能一体化设计，系统在进行信息传递的同时，能够感知方位、距离、速度等信息，对目标设备或事件进行检测、跟踪、识别，通信系统与感知系统相辅相成，实现整体性能上的提升并带来更好的服务体验。
例如：通信与雷达的一体化属于典型的通信感知一体化(通信感知融合)应用，且通信与雷达系统融合能够带来许多优势，例如节约成本、减小尺寸、降低功耗、提升频谱效率、减小互干扰等，从而提升系统整体性能。
本申请实施例中，根据感知信号发送节点和接收节点的不同，可以包括但不限于图2所示的6种感知链路。需要说明的是，图2中每种感知链路都是以一个发送节点和一个接 收节点进行举例说明，实际系统中，根据不同的感知需求可以选择不同的感知链路，每种感知链路的发送节点和接收节点可以有一个或多个，且实际感知系统可以包括多种不同的感知链路。且图2中的感知目标以人和车作为例子，且假设人和车均没有携带或安装信号收/发设备，实际场景的感知目标将更加丰富。
感知链路1：基站自发自收感知。该方式下基站发送感知信号，并通过接收该感知信号的回波来获得感知结果；
感知链路2：基站间空口感知。该方式下基站2接收基站1发送的感知信号，获得感知结果。
感知链路3：上行空口感知。该方式下基站接收终端发送的感知信号，获得感知结果。
感知链路4：下行空口感知。该方式下终端接收基站发送的感知信号，获得感知结果。
感知链路5：终端自发自收感知。该方式下终端发送感知信号，并通过接收该感知信号的回波来获得感知结果。
感知链路6：终端间Sidelink感知。例如，终端2接收终端1发送的感知信号，获得感知结果，或者终端1接收终端2发送的感知信号，获得感知结果。
下面结合附图，通过一些实施例及其应用场景对本申请实施例提供的一种前导码发送方法、终端及存储介质进行详细地说明。
请参见图3，图3是本申请实施例提供的一种前导码发送方法的流程图，如图3所示，包括以下步骤，包括：
步骤301、终端对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果。
上述终端对第一信号进行测量可以是，终端对一个或者多个第一信号进行测量，且对多个第一信号进行测量时，这多个第一信号可以包括相同或者不同类型的信号，例如：一些第一信号为网络侧设备发送的信号，一些第一信号可以是其他终端发送的第一信号，一些第一信号可以是上述终端自发自收的信号。
例如，终端对多个同步信号和物理广播信道(Synchronization Signal and PBCH block，SSB)信号，或者对多个信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)的资源进行测量。
上述感知测量结果也可以称作链路感知性能。
步骤302、所述终端基于所述目标测量结果，发送前导码。
上述终端基于所述目标测量结果，发送前导码可以是，在感知测量结果满足预设条件的情况下，发送前导码；或者，终端基于所述目标测量结果，发送前导码可以是，发送与目标测量结果匹配的前导码，例如：在预先获取的前导码集中选择与上述目标测量结果匹配的前导码发送。
作为一种可选的实施方式，所述前导码还可以是某种导频，某种参考信号等。
本申请实施例中，通过上述步骤可以实现基于感知测量结果发送前导码，从而使得发 送前导码的终端可以更好的满足感知需求，提升感知性能。
作为一种可选的实施方式，所述目标测量结果还包括：通信测量结果。
这样可以实现基于感知测量结果和通信测量结果发送前导码，可以实现综合考虑通信性能和感知性能来发送前导码，以提升终端的接入性能。
作为一种可选的实施方式，所述基于所述目标测量结果，发送前导码，包括：
所述终端在所述目标测量结果满足预设条件的情况下，发送前导码。
其中，上述目标测量结果满足预设条件包括：所述感知测量结果满足第一预设条件。
其中，在所述目标测量结果还包括通信测量结果的情况下，所述目标测量结果满足预设条件包括如下至少一项：
所述感知测量结果满足第一预设条件；
所述通信测量结果满足第二预设条件。
上述第一预设条件和第二预设条件可以是协议中定义的，或者可以是网络侧设备配置的。
上述目标测量结果满足预设条件可以是，一个或者多个第一信号的感知测量结果满足第一预设条件；或者，上述测量结果满足预设条件可以是，一个或者多个第一信号的通信测量结果满足第二预设条件，或者，上述测量结果满足预设条件可以是，一个或者多个第一信号的通信测量结果满足第二预设条件，且一个或者多个第一信号的通信测量结果满足第二预设条件。
上述感知测量结果满足第一预设条件可以是，感知测量结果高于感知测量结果对应的预设阈值或者感知测量结果属于感知测量结果对应的预设范围内；上述通信测量结果满足第二预设条件可以是，通信测量结果高于通信测量结果对应的预设阈值或者通信测量结果属于通信测量结果对应的预设范围内。
需要说明的是，在终端对多个第一信号进行测量的情况下，可以是部分或者全部第一信号的测量结果满足上述预设条件。
该实施方式中，可以实现终端在感知测量结果和通信测量结果中至少一项满足预设条件的情况下，发送前导码，以避免终端发送前导码时存在测量结果不满足要求的情况，进而提高终端的性能，例如提升感知性能。
需要说明的是，本申请实施例中，针对每个第一信号可以确定一个对应的感知测量结果，或者可以是，针对多个第一信号得到一个感知测量结果，即第一信号和感知测量结果可以是一一对应的关系，也可以是多对一的关系。需要说明的是，这里的多个信号可以是步骤301中测量的第一信号中的部分或者全部第一信号，例如：步骤301测量N个第一信号，在一些实施方式可以得到N个感知测量结果，另一些实施方式中，可以得到M个测量结果，M为大于或者等于1，且小于N的整数。同理，第一信号和通信测量结果可以是一一对应的关系，也可以是多对一的关系。
在一种可选的实施方式中，上述第一信号可以是不包含传输信息的信号，不包含传输 信息的信号可以是同步信号或者参考信号。
例如：上述第一信号可以包括：
同步信号和物理广播信道(Synchronization Signal and PBCH block，SSB)信号、信道状态信息参考信号(Channel State Information-Reference Signal，CSI-RS)、解调参考信号(Demodulation Reference Signal，DMRS)、信道探测参考信号(Sounding Reference Signal，SRS)、定位参考信号(Positioning Reference Signal，PRS)、相位追踪参考信号(Phase Tracking Reference Signal，PTRS)等；
或者，上述第一信号也可以是雷达常用的单频连续波(Continuous Wave，CW)、调频连续波(Frequency Modulated CW，FMCW)，以及超宽带高斯脉冲等；
或者，上述第一信号还可以是新设计的专用信号，如具有良好的相关特性和低峰均功率比的信号，或者新设计的通感一体化信号，该信号既承载一定信息，同时具有较好的感知性能。例如，第一信号为至少一种专用感知信号/参考信号和至少一种通信信号在时域和/或频域上拼接、组合或叠加而成的信号。
作为一种可选的实施方式，在所述目标测量结果包括所述感知测量结果和所述通信测量结果的情况下：
所述目标测量结果包括：针对相同的第一信号进行测量得到的所述感知测量结果和所述通信测量结果；或者
所述目标测量结果包括：针对第一信号集进行测量得到的所述感知测量结果，针对第二信号集进行测量得到的所述通信测量结果，所述第一信号集和所述第二信号集分别包括不同的第一信号。
上述针对相同的第一信号进行测量得到的所述感知测量结果和所述通信测量结果可以是，针对一个或者多个第一信号进行感知测量结果测量得到的感知测量结果，以及针对这一个或者多个第一信号进行通信测量结果测量得到的通信测量结果，即每个第一信号都测量得到对应的感知测量结果和通信测量结果。这样可以实现在部分或者全部第一信号的感知测量结果和通信测量结果满足预设条件的情况下发送前导码。
上述针对第一信号集进行测量得到的所述感知测量结果，针对第二信号集进行测量得到的所述通信测量结果可以是，针对部分第一信号测量得到感知测量结果，而针对另一部分第一信号测量得到通信测量结果。这样可以实现在部分第一信号的感知测量结果满足预设条件，部分第一信号的通信测量结果满足预设条件的情况下发送前导码。
另外，上述第一信号集和所述第二信号集可以包括相同或者不同类型的第一信号。
作为一种可选的实施方式，所述终端对第一信号进行测量，得到目标测量结果之前，所述方法还包括：
所述终端接收第一指示信息，所述第一指示信息用于指示如下至少一项：
所述第一信号的配置信息；
所述感知测量结果的类型；
所述感知测量结果对应的第一预设条件；
测量需求。
其中，上述配置信息包括如下至少一项：
波形类型、子载波间隔、保护间隔、带宽、突发(Burst)持续时间、时域间隔、发送功率、信号格式、信号方向、时间资源、频域资源、准共址(Quasi co-location，QCL)关系、天线配置信息。
上述波形类型可以是正交频分复用(Orthogonal frequency division multiplex，OFDM)、单载波频分多址(Single-carrier Frequency-Division Multiple Access，SC-FDMA)、正交时频空间(Orthogonal Time Frequency Space，OTFS)，调频连续波(Frequency Modulated Continuous Wave，FMCW)或脉冲信号等类型；
上述子载波间隔可以是OFDM系统的子载波间隔，例如：30KHz；
上述保护间隔可以是从信号结束发送时刻到该信号的最迟回波信号被接收的时刻之间的时间间隔。该参数正比于最大感知距离，例如，可以通过2dmax/c计算得到，dmax是最大感知距离(属于感知需求)，如对于自发自收的感知信号，dmax代表感知信号收发点到信号发射点的最大距离；在某些情况下，OFDM信号循环前缀(Cyclic prefix，CP)可以起到最小保护间隔的作用。
上述带宽可以反比于距离分辨率，可以通过c/(2Δd)得到，其中Δd是距离分辨率(属于感知需求)，c是光速；
上述Burst持续时间可以反比于速率分辨率(属于感知需求)，该参数是感知信号的时间跨度，主要为了计算多普勒频偏；该参数可通过c/(2fcΔv)计算得到，其中，Δv是速度分辨率，fc是感知信号的载频。
上述时域间隔可以通过c/(2fcvrange)计算得到，其中，vrange是最大速率减去最小速度(属于感知需求)，该参数是相邻的两个感知信号之间的时间间隔。
上述发送功率可以从-20dBm到23dBm每隔2dBm取一个值。
上述信号格式可以是SRS，DMRS，PRS等，或者其他预定义的信号，以及相关的序列格式等信息。
上述信号方向可以是第一信号的方向或者波束信息。
上述时间资源可以第一信号所在的时隙索引或者时隙的符号索引；其中，时间资源分为两种，一种是一次性的时间资源，例如一个符号发送一个全向的感知信号；一种是非一次性的时间资源，例如多组周期性的时间资源或者不连续的时间资源(可包含开始时间和结束时间)，每一组周期性的时间资源发送同一方向的感知信号，不同组的周期性时间资源上的波束方向不同；
上述频率资源可以包括第一信号的中心频点、带宽、资源块(Resource block，RB)、子载波、参考点(Point A)、起始带宽位置等。
上述QCL关系可以是第一信号的资源与SSB的QCL，例如：第一信号包括多个资 源，每个资源与一个SSB QCL，QCL包括类型(Type)A，Type B，Type C或者Type D。
上述天线配置信息可以是发送或者接收第一信号的设备(例如：网络侧设备或终端)的天线配置信息，可以包括以下至少一项：
用于发送和/或接收第一信号的天线阵元ID或者天线端口ID；
用于发送和/或接收第一信号的天线面板(panel)ID+阵元ID；
用于发送和/或接收感知信号的天线阵元相对天线阵列上某个局部参考点的位置信息，例如：可以用笛卡尔坐标(x，y，z)或者球坐标表示；
用于发送和/或接收感知信号的panel相对天线阵列上某个局部参考点的位置信息，例如：可以用笛卡尔坐标(x，y，z)或者球坐标表示，以及这些被选择panel内的用于发送感知信号的天线阵元相对panel某个统一参考点(例如panel中心点)的位置信息，例如：可以用笛卡尔坐标(x，y，z)或者球坐标表示)；
天线阵元的位图(bitmap)信息，例如：该bitmap使用“1”指示阵元被选择用于发送和/或接收感知信号，使用“0”表示阵元未被选择(也可反过来)；
阵列panel的bitmap信息，例如：该bitmap使用“1”指示panel被选择用于发送和/或接收感知信号，使用“0”表示阵元未被选择(也可以反过来)。以及这些被选择panel内的阵元bitmap信息。
上述感知测量结果的类型可以包括如下至少一项：
感知所述第一信号的信号分量功率、感知信噪比(SIGNAL-NOISE RATIO，SNR)、感知信号与干扰加噪声比(Signal to Interference plus Noise Ratio，SINR)、感知目标是否存在、感知目标个数、感知雷达截面积(Radar Cross Section，RCS)、感知谱信息、感知时延、感知距离、感知多普勒、感知速度、感知角度信息。
上述感知测量结果对应的第一预设条件可以是，感知测量结果对应的门限条件，例如：信号分量功率、感知SNR、感知SINR、感知目标个数、感知RCS、感知谱信息、感知时延、感知距离、感知多普勒、感知速度或感知角度信息等各自对应的门限条件。
上述测量需求可以用于指示测量第一信号得到的感知测量结果满足预设条件的终端发送前导码，如上述测量需求为感知需求，该感知需求可以用于指示测量第一信号得到的感知链路性能满足感知条件的终端发送前导码。
上述实施方式中，由于在上述第一信号进行测量之前，接收到第一指示信息，从而可以基于上述第一指示信息进行测量，以及发送前导码，以提高终端测量和发送前导码的准确率。
作为一种可选的实施方式，发送所述前导码之前，所述方法还包括：
依据所述感知测量结果和通信测量结果中的至少一项，确定前导码发送参数，所述通信测量结果为所述目标测量结果包括的通信测量结果。
需要说明的是，在上述目标测量结果不包括通信测量结果的情况下，该实施方式中可以是，依据所述感知测量结果，确定前导码发送参数；在上述目标测量结果包括通信测量 结果的情况下，该实施方式中可以是，依据感知测量结果和通信测量结果中的至少一项，确定前导码发送参数。
其中，上述前导码发送参数可以包括如下至少一项：
时域资源、频域资源、前导码序列参数。
上述时域资源为发送上述前导码的时域资源位置，上述频域资源为发送上述前导码的频域资源位置，上述前导码序列参数可以是前导码序列格式或者前导码序列索引等。
在一些实施方式中，上述前导码发送参数包括如下至少一项：
第三信号集的至少一个第一信号对应的前导码发送参数，所述第三信号集包括：所述感知测量结果满足第一预设条件，且所述通信测量结果满足第二预设条件的第一信号；
第四信号集对应的前导码发送参数，所述第四信号集包括：第五信号集的至少一个第一信号和第六信号集的至少一个第一信号；
所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数；
其中，所述第五信号集包括：所述感知测量结果满足所述第一预设条件的第一信号，所述第六信号集包括：所述通信测量结果满足所述第二预设条件的第一信号。
其中，第一信号与前导码发送参数的对应关系或映射关系是协议定义的和/或基站配置给终端的。
该实施方式中，每个第一信号都对应一组前导码发送参数，例如：每个第一信号对应的前导码发送参数包括如下至少一项：
网络侧配置的发送参数、协议定义的发送参数。
另外，不同第一信号对应的前导码发送参数可以不同，或者部分第一信号对应的前导码发送参数相同。
上述第三信号集中每个第一信号的感知测量结果满足第一预设条件，且通信测量结果满足第二预设条件。上述第三信号集的至少一个第一信号对应的前导码发送参数可以是，在第三信号集中选择至少一个第一信号，并确定这至少一个第一信号对应的前导码发送参数。
上述第五信号集中每个第一信号的感知测量结果满足第一预设条件，上述第六信号集中每个第一信号的通信测量结果满足第二预设条件。
上述第四信号集对应的前导码发送参数可以是，在第五信号集选择至少一个第一信号，以及在第六信号集中选择至少一个第一信号，再确定第五信号集选择的至少一个第一信号和第六信号集中选择的至少一个第一信号对应的前导码发送参数，其中，第五信号集选择的至少一个第一信号和第六信号集中选择的至少一个第一信号对应的前导码发送参数相同，也就是说，最终确定的前导码发送参数分别与第五信号集的至少一个第一信号和第六信号集的至少一个第一信号对应，以使得最终确定的前导码发送参数既对应感知测量结果满足第一预设条件的第一信号，又对应通信测量结果满足第二预设条件的第一信号，进而 提高前导码发送性能。
上述前导码发送参数包括第五信号集的至少一个第一信号对应的前导码发送参数，以及第六信号集的至少一个第一信号对应的前导码发送参数可以理解为，上述前导码发送参数包括两组前导码发送参数。
在一些实施方式中，在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述发送前导码包括：
基于所述第五信号集的至少一个第一信号对应的前导码发送参数，发送前导码；
基于所述第六信号集的至少一个第一信号对应的前导码发送参数，发送前导码。
该实施方式中，可以实现发送两次前导码，例如发送两次不同的前导码。
在一些实施方式中，在所述前导码发送参数包括所述第三信号集的至少一个第一信号对应的前导码发送参数或者所述第四信号集对应的前导码发送参数的情况下，所述终端发送一个前导码，且所述一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的参考信号接收功率(Reference Signal Received Power，RSRP)确定。
其中，根据RSRP确定上行发射功率可以是按照协议约定的RSRP与上行发射功率之间的计算公式或者映射关系，确定上行发射功率。
该实施方式中，可以实现依据通信测量结果满足第二预设条件的第一信号的RSRP确定前导码的上行发射功率，从而使得前导码的上行发射功率与通信测量结果满足第二预设条件的第一信号的RSRP匹配，进而提高前导码的传输可靠性。
在一些实施方式中，在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述终端发送两个前导码，其中，一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的RSRP确定，另一个前导码的上行发射功率根据所述感知测量结果满足第一预设条件的第一信号的RSRP确定。
该实施方式中，可以实现分别依据通信测量结果满足第二预设条件的第一信号的RSRP确定一个前导码的上行发射功率，依据感知测量结果满足第一预设条件的第一信号的RSRP确定另一个前导码的上行发射功率，以实现两个前导码分别以不同的功率进行发送，从而提高终端接入的成功率。
作为一种可选的实施方式，所述发送前导码包括：
发送第一消息，所述第一消息包括所述前导码，以及还包括如下至少一项：
针对所述第一信号的感知测量量；
所述感知测量结果。
其中，上述感知测量量可以包括以下四类：
第一级测量量(接收信号/原始信道信息)，包括：接收信号/信道响应复数结果，幅度/相位，I路/Q路及其运算结果(运算包括加减乘除、矩阵加减乘、矩阵转置、三角关系运 算、平方根运算和幂次运算等，以及上述运算结果的门限检测结果、最大/最小值提取结果等；运算还包括快速傅里叶变换(Fast Fourier Transform，FFT)/快速傅里叶逆变换(Inverse Fast Fourier Transform，IFFT)、离散傅里叶变换(Discrete Fourier Transform，DFT)/离散傅里叶逆变换(Inverse Discrete Fourier Transform，IDFT)、2D-FFT、3D-FFT、匹配滤波、自相关运算、小波变换和数字滤波等，以及上述运算结果的门限检测结果、最大/最小值提取结果等)；
第二级测量量(基本测量量)，包括：时延、多普勒、角度、强度，及其多维组合表示；
第三级测量量(基本属性/状态)，包括：距离、速度、朝向、空间位置、加速度；
第四级测量量(进阶属性/状态)，包括：目标是否存在、轨迹、动作、表情、生命体征、数量、成像结果、天气、空气质量、形状、材质、成分。
在一些实施方式中，上述感知测量量还可以包括对应的标签信息，如包括如下至少一项：
感知信号标识信息；
感知测量配置标识信息；
感知业务信息(例如：感知业务ID)；
数据订阅ID；
测量量用途(通信、感知、通感)；
时间信息；
感知节点信息(例如：UE ID、节点位置、设备朝向)；
感知链路信息(例如：感知链路序号、收发节点标识)；
测量量说明信息，形式例如：幅度、相位、复数，资源信息例如天线/天线对/天线组、物理资源块(Physical Resource Block，PRB)、符号)；
测量量指标信息，例如：信噪比(Signal to Noise Ratio，SNR)、感知SNR。
上述第一消息包括感知测量结果，可以是在两步随机接入过程中，终端发送前导码，并且通过MSG A(消息A)的物理上行共享信道(Physical Uplink Shared Channel，PUSCH)发送所述第一信号的感知测量结果，或者针对所述第一信号的感知测量量，或者，感知测量结果和感知测量量。
该实施方式中，由于上报感知测量量和感知测量结果，可以让网络侧设备确定是感知测量结果对应的感知测量量，从而更加准确地理解终端的感知链路性能。
作为一种可选的实施方式，所述感知测量结果包括如下至少一项：
感知所述第一信号的信号分量功率；
感知信噪比SNR；
感知信号与干扰加噪声比SINR；
感知目标是否存在：
感知目标个数；
感知雷达截面积RCS；
感知谱信息；
感知时延；
感知距离；
感知多普勒；
感知速度；
感知角度信息。
上述感知第一信号的信号分量功率可以是，感知目标关联信号分量的功率信息，例如：感知径的功率信息。具体可以是，接收第一信号中受感知目标影响较大的信号分量功率，可以包括如下至少一项：
以接收第一信号的频域信道响应中幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值；或以某一个指定子载波(Subcarrier，SC)或物理资源块(Physical Resource Block，PRB)对应的样值点的幅度为目标幅度计算得到的功率值，或以多个指定SC或PRB对应的样值点的幅度为目标幅度计算得到的功率值；
以接收第一信号的频域信道响应的逆傅里叶变换(IFFT)结果(时延域)中幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值；或者，以特定时延范围内幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值；
以接收第一信号的时域信道响应的傅里叶变换(FFT)结果(多普勒域)中幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值；或者，以特定多普勒范围内幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值。
以接收第一信号的信道响应的二维傅里叶变换结果，即时延-多普勒域结果中幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值；或者，以特定时延-多普勒范围内幅度最大的样值点对应的幅度为目标幅度计算得到的功率值，或以幅度最大的多个样值点对应的幅度为目标幅度计算得到的功率值。
需要说明的是，上述幅度最大也可以是或幅度超过特定门限值，上述特定门限值可以是网络侧设备指示的，也可以是终端根据噪声和/或干扰功率计算得到的。上述特定时延/多普勒范围与感知需求相关，可以是网络侧设备指示的，也可以是终端根据感知需求得到的。
上述感知SNR可以是感知所述第一信号的信号分量功率与噪声功率的比值，上述感知SINR可以是感知所述第一信号的信号分量功率与噪声和干扰的功率之和的比值。
以雷达检测为例，感知所述第一信号的信号分量功率为回波功率，回波信号功率的获取方法，可以是以下选项中的至少一项：
方式一、基于回波信号快时间维FFT处理得到的时延一维图进行恒虚警检测(Constant False Alarm Rate Detector，CFAR)，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度来计算回波信号功率，如图4所示；
方式二、基于回波信号慢时间维FFT处理得到的多普勒一维图进行CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度来计算回波信号功率，同图4所示；
方式三、基于回波信号2D-FFT处理得到的时延-多普勒二维图进CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度来计算回波信号功率；
方式四、基于回波信号3D-FFT处理得到的时延-多普勒-角度三维图进行CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度来计算回波信号功率；
其中，信号幅度的确定方法除以上的以CFAR过门限的幅度最大样值点为目标样值点以外，还可以是，以CFAR过门限的幅度最大样值点及其最邻近的若干个过门限样值点的均值作为目标信号幅度来计算回波信号功率。
上述感知SNR和感知SINR的获取方法可以包括如下至少一种方式：
方式一、基于回波信号快时间维FFT处理得到的时延一维图进行CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度，以一维图中距离目标样值点位置±ε个样值点以外的所有样值点为干扰/噪声样值点、并统计其平均干扰/幅度为干扰/噪声信号幅度，如图4所示，最后以目标信号幅度和干扰/噪声信号幅度计算SNR/SINR，ε为常数；
方式二、基于回波信号慢时间维FFT处理得到的多普勒一维图进行CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度，以一维图中距离目标样值点位置±η个样值点以外的所有样值点为干扰/噪声样值点、并统计其平均幅度为干扰/噪声信号幅度，最后以目标信号幅度和干扰/噪声信号幅度计算SNR/SINR，η为常数；
方式三、基于回波信号2D-FFT处理得到的时延-多普勒二维图进CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度，以二维图中距离目标样值点±ε(快时间维)和±η(慢时间维)个样值点以外的所有样值点为干扰/噪声样值点、并统计其平均幅度为干扰/噪声信号幅度，最后以目标信号幅度和干扰/噪声信号幅度计算SNR/SINR；
方式四、基于回波信号3D-FFT处理得到的时延-多普勒-角度三维图进行CFAR，以CFAR过门限的幅度最大样值点为目标样值点、以其幅度为目标信号幅度，以三维图中距 离目标样值点±ε(快时间维)、±η(慢时间维)和±δ(角度维)个样值点以外的所有样值点为干扰/噪声样值点、并统计其平均幅度为干扰/噪声信号幅度，最后以目标信号幅度和干扰/噪声信号幅度计算SNR/SINR，δ为常数；
方式五、目标信号幅度的确定方法除以上的以CFAR过门限的幅度最大样值点为目标样值点以外，还可以是，以CFAR过门限的幅度最大样值点及其最邻近的若干个过门限样值点的均值作为目标信号幅度。
另外，干扰/噪声样值点的确定方法还可以是根据上述确定的干扰/噪声样值点进一步筛选，筛选方法是：对于时延一维图，去除时延为0附近的若干个样值点，以剩下的干扰/噪声样值点作为噪声样值点；或者，对于多普勒一维图，去除多普勒为0附近的若干个样值点，以剩下的干扰/噪声样值点为干扰/噪声样值点；或者，对于时延-多普勒二维图，去除以时延为0附近若干个点、全部多普勒范围构成的条状范围的干扰/噪声样值点，以剩下的噪声样值点作为干扰/噪声样值点；或者，对于时延-多普勒-角度三维图，去除以时间维0附件若干个点、全部多普勒范围和全部角度范围构成的切片状范围的干扰/噪声样值点，以剩下的干扰/噪声样值点作为干扰/噪声样值点。
上述感知目标是否存在可以是，感知是否存在感知目标，或者，感知是否存在速度/多普勒预设范围内的目标，或者感知是否存在距离/时延预设范围内的目标。
上述感知目标个数可以是，感知速度/多普勒预设范围内的目标个数，或者感知距离/时延预设范围内的目标个数。
其中，上述预设范围可以是通过感知需求信息获取的。
在一些实施方式中，判断是否有目标存在的方式可以是，时延/多普勒一维或二维图中是否存在幅度超过特定门限值的样值点，若存在则认为检测目标；判断存在的目标个数可以是，时延/多普勒一维或二维图中幅度超过特定门限值的样值点的个数认为是目标个数。
上述感知RCS可以是，单个感知目标的RCS信息，也可以是多个目标的RCS信息。
上述感知谱信息可以包括如下至少一项：
时延功率谱、多普勒功率谱、时延/距离-多普勒/速度谱、角度功率谱、时延/距离-角度谱、多普勒/速度-角度谱、时延/距离-多普勒/速度-角度谱。
上述感知时延、感知距离、感知多普勒、感知速度和感知角度信息可以是单个感知目标的感知信息，也可以是多个目标的感知信息。
上述实施方式中，可以实现基于感知测量触发前导码的发送，使得发送前导码对应的第一信号满足感知需求，例如：在通信测量结果为通信性能测量结果的情况下，可以实现综合考虑通信性能和感知性能来选择第一信号(例如：SSB)，能及时找到目标第一信号(例如：目标SSB)来满足感知需求。
在一些实施方式中，所述感知测量结果对应的第一预设条件包括如下至少一项：
所述感知所述第一信号的信号分量功率满足第一门限条件；
所述感知SNR满足第二门限条件；
所述感知SINR满足第三门限条件；
感知目标存在：
感知目标个数满足第四门限条件；
所述感知雷达截面积RCS满足第五门限条件；
所述感知谱信息满足第六门限条件；
所述感知时延满足第七门限条件；
所述感知距离满足第八门限条件；
所述感知多普勒满足第九门限条件；
所述感知速度满足第十门限条件；
所述感知角度信息满足第十一门限条件。
其中，上述第一门限条件至第十一门限条件为网络侧配置的，或者协议约定的。且每个门限条件可以包括一个或者多个门限。
上述感知所述第一信号的信号分量功率满足第一门限条件可以是，一个第一信号的信号分量功率满足第一门限条件，或者，可以是，X个第一信号的信号分量功率满足第一门限条件，X是网络侧配置的，X为大于1的整数，该信号分量功率为根据X个第一信号计算得到的。
又例如：上述感知SNR满足第二门限条件可以是，一个第一信号的感知SNR满足第二门限条件，或者，可以是，X个第一信号的感知SNR满足第二门限条件，该感知SNR为根据X个第一信号计算得到的。
又例如：上述感知SINR满足第二门限条件可以是，一个第一信号的感知SINR满足第三门限条件，或者，可以是，X个第一信号的感知SINR满足第三门限条件，该感知SINR为根据X个第一信号计算得到的。
上述感知目标个数满足第四门限条件可以是，至少检测到Y个目标，Y是网络侧或者配置或者协议约定的。
上述感知目标个数满足第四门限条件还可以是，采用类似位图(bitmap)方式，其中bitmap的每比特的位置代表某一个目标，比特为1代表检测到了该目标，为0代表没有检测到该目标，第四门限条件对应的bitmap是网络侧设备配置或者协议约定的。
上述感知RCS满足第五门限条件可以是，是单个感知目标的RCS信息满足第五门限条件，也可以是多个目标的RCS信息满足第五门限条件。
上述感知谱信息、感知时延、感知距离、感知多普勒、感知速度和感知角度信息可以是，是单个感知目标的感知信息或者多个目标的感知信息满足相应门限条件。
另外，本申请实施例中，感知链路性能对应的感知性能评价指标可基于感知测量量计算得到，例如：感知性能评价指标可以包括以下至少一项：
感知SNR，即感知对象或感知区域反射的感知信号能量，与环境和设备中的噪声信号 能量的比值；
感知SINR，即感知对象或感知区域反射的感知信号能量，与环境和设备中的干扰信号和噪声信号的能量的和的比值；
同一种感知测量量多个测量值的统计均值、标准差或方差；
感知测量量/感知结果的预测值与实际测量值偏差，以及所述偏差的统计均值、标准差或方差；
感知可复一些评价指标(如前后两个序列样点间欧式距离(Euclidean Distance)之和，或者动态时间规划(Dynamic Time Warping，DTW)中的规整路径距离，或者其他能够反映两个序列的相似性的指标，包括但不限于：最长公共字符串(Longest Common Subsequence，LCSS)、实序列编辑距离(Edit Distance on Real Sequences，EDR)、实惩罚编辑距离(Edit Distance with Real Penalty，ERP)、豪斯多夫距离(Hausdorff Distance)、弗雷歇距离(Fréchet Distance)、单向距离(One Way Distance，OWD)、多线位置距离(Locality In-between Polylines，LIP)等)。
作为一种可选的实施方式，所述通信测量结果包括如下至少一项：
RSRP、接收信号强度指示(Received Signal Strength Indication，RSSI)、预编码矩阵指示(Precoding matrix indicator，PMI)、秩指示(Rank indicator，RI)、信道质量指示(Channel quality indicator，CQI)、信噪比、信号与干扰加噪声比、比特出错概率(Bit Error Ratio，BER)、误块率(Block Error Rate，BLER)。
该实施方式中，可以实现通信测量结果为通信链路测量结果，或者称作通信链路性能。从而实现基于通信链路性能来发送前导码。
另外，上述第一门限条件至第十一门限条件可以是，一个或者多个第一信号的感知测量结果满足相应门限条件，则表示感知链路性能满足通信条件，从而发送前导码。
在一些实施方式中，上述通信测量结果对应的第二预设条件包括如下至少一项：
所述RSRP满足第十二门限条件；
所述RSSI满足第十三门限条件；
所述PMI满足第十四门限条件；
所述RI满足第十五门限条件；
所述CQI满足第十六门限条件；
所述SNR满足第十七门限条件；
所述SINR满足第十八门限条件；
所述BER满足第十九门限条件；
所述BLER满足第二十门限条件。
其中，上述第十二门限条件至第二十门限条件为网络侧配置的，或者协议约定的。且每个门限条件可以包括一个或者多个门限。
另外，上述第十二门限条件至第二十门限条件可以是，一个或者多个第一信号的通信 测量结果满足相应门限条件，则表示通信链路性能满足通信条件，从而发送前导码。
作为一种可选的实施方式，所述发送前导码包括：
发送MSG1，所述MSG1包括所述前导码；或者
发送MSG A，所述MSG A包括所述前导码。
该实施方式中，可以实现在四步随机接入过程或两步随机接入过程发送前导码。
本申请实施例中，可以实现基于感知测量结果发送前导码，使得发送前导码的终端可以更好的满足感知需求，进而提升感知性能。
下面通过两个实施例对本申请实施例提供的方法进行举例说明：
实施例1：
该实施例以四步随机接入(具体可以是下行感知需求到达时执行)进行举例说明，具体包括如下步骤：
步骤1.基站向一个或多个UE发送第一指示信息；
其中，第一指示信息用于指示如下以下至少一项：
第一信号的配置信息等；
第一信号的感知链路性能；
第一信号的感知条件信息；
感知需求，感知需求可以用来指示测量第一信号(如SSB)得到的感知链路性能满足感知条件的UE向基站发送preamble。
另外，上述第一指示信息可以是PDCCH承载的L1信令(如MSG0等)，SIB信令如SIB 1，MAC CE，RRC信令，寻呼(Paging)等。
步骤2.UE测量基站发送的N(N>＝1)个第一信号。
步骤3.UE根据对所述第一信号测量得到的感知链路性能是否满足感知条件和/或通信链路性能是否满足通信条件，确定是否发送preamble；具体为：
如果一个或多个第一信号的感知链路性能满足感知条件且相同的第一信号的通信链路性能满足通信条件，或者，一个或多个第一信号的感知链路性能满足感知条件且另外的一个或多个第一信号的通信链路性能满足通信条件，则UE需要发送前导码；
否则，UE不需要发送前导码。
步骤4.如果UE确定要发送preamble，UE确定preamble的发送参数(包括时域资源，频域资源和preamble序列参数等)；具体可以如下：
UE确定前导码的发送参数的方法A：确定感知链路性能满足感知条件且通信链路性能满足通信条件的目标SSB(第一信号的一类)集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble的发送参数(发一次preamble，该preamble对应感知链路性能满足感知条件且通信链路性能满足通信条件的目标SSB集合中的一个SSB)；或者，
UE确定前导码的发送参数的方法B：确定感知链路性能满足感知条件的目标SSB集 合；从目标SSB集合中选择一个或多个SSB(SSB集合X)；确定通信链路性能满足通信条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB(SSB集合Y)；确定SSB集合X和SSB集合Y对应的preamble的发送参数；该情况下，发一次preamble；或，
UE确定前导码的发送参数的方法C：确定感知链路性能满足感知条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble 1的发送参数；确定通信链路性能满足通信条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble 2的发送参数；该情况下发送两次preamble；
其中，一个或多个SSB对应的preamble的发送参数(包括时域资源，频域资源和preamble序列参数等)是基站配置和/或协议定义的
步骤5.UE根据上一步确定的一个或多个preamble的发送参数向基站发送一个或多个preamble。
a)如果UE发送一个Preamble，Preamble的上行功控可以根据通信链路性能满足通信条件的第一信号的RSRP来确定Preamble的上行功率；
b)如果UE发送两个Preamble，两个Preamble的上行功控可以根据通信链路性能满足通信条件的第一信号的RSRP来确定Preamble 1的上行发射功率；根据感知链路性能满足感知条件的第一信号的RSRP来确定Preamble 2的上行发射功率；
其中，可以为通信和感知分别设置两个前导码接收目标功率(preambleReceivedTargetPower)；
6.如果UE在预设窗口没有收到UE发送的preamble对应的MSG 2(MSG2是基站发送的)，则UE重新发送preamble。可选的，重新发送preamble的功率可以比上一次发送preamble的功率更大；
7.后续步骤与四步RACH类似；
其中，UE发送MSG 3的时候可以将对第一信号的感知测量量或者对第一信号的感知测量结果发给基站。
实施例2：
该实施例以两步随机接入(具体可以是下行感知需求到达时执行)进行举例说明，具体包括如下步骤：
步骤1.基站向一个或多个UE发送第一指示信息；
第一指示信息用于指示以下至少一项：
第一信号的配置信息等；
第一信号的感知链路性能；
第一信号的感知条件信息；
感知需求，感知需求可以用来指示测量第一信号如SSB得到的感知链路性能满足感知条件的UE向基站发送preamble。
第一指示信息可以是PDCCH承载的L1信令(如MSG0等)，SIB信令如SIB 1，MAC CE，RRC信令，Paging等；
步骤2.UE测量基站发送的N(N>＝1)个第一信号。
步骤3.UE根据对所述第一信号测量得到的感知链路性能是否满足感知条件和/或通信链路性能是否满足通信条件，确定是否发送前导码preamble；具体为：
如果一个或多个第一信号的感知链路性能满足感知条件且相同的第一信号的通信链路性能满足通信条件，或者，一个或多个第一信号的感知链路性能满足感知条件且另外的一个或多个第一信号的通信链路性能满足通信条件，则UE需要发送前导码；
否则，UE不需要发送前导码；
步骤4.如果UE确定要发送前导码preamble，UE确定preamble的发送参数(包括时域资源，频域资源和preamble序列参数等)，具体可以如下：
UE确定前导码的发送参数的方法A：确定感知链路性能满足感知条件且通信链路性能满足通信条件的目标SSB(第一信号的一类)集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble的发送参数(发一次preamble，该preamble对应感知链路性能满足感知条件且通信链路性能满足通信条件的目标SSB集合中的一个SSB)；或者，
UE确定前导码的发送参数的方法B：确定感知链路性能满足感知条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB(SSB集合X)；确定通信链路性能满足通信条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB(SSB集合Y)；确定SSB集合X和SSB集合Y对应的preamble的发送参数；该情况下发一次preamble；或，
UE确定前导码的发送参数的方法C：确定感知链路性能满足感知条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble 1的发送参数；确定通信链路性能满足通信条件的目标SSB集合；从目标SSB集合中选择一个或多个SSB，确定该一个或多个SSB对应的preamble 2的发送参数；该情况下发两次preamble；
其中，一个或多个SSB对应的preamble的发送参数(包括时域资源，频域资源和preamble序列格式等)是基站配置和/或协议定义的。
步骤5.UE根据上一步确定的一个或多个preamble的发送参数向基站发送一个或多个preamble；
如果UE发送一个Preamble，Preamble的上行功控：可以根据通信链路性能满足通信条件的第一信号的RSRP来确定Preamble的上行功率；
如果UE发送两个Preamble，两个Preamble的上行功控：根据通信链路性能满足通信条件的第一信号的RSRP来确定Preamble 1的上行功率；根据感知链路性能满足感知条件的第一信号的RSRP来确定Preamble 2的上行功率；
其中，可以为通信和感知分别设置两个preambleReceivedTargetPower；
另外，UE发送的MSG A的PUSCH部分可携带对第一信号的感知测量量或者对第一信号的感知测量结果。
步骤6.如果UE在预设窗口没有收到UE发送的preamble对应的MSG B(MSG是基站发送的)，则UE重新发送preamble。
请参见图5，图5是本申请实施例提供的一种前导码发送装置的结构图，如图5所示，前导码发送装置500包括：
测量模块501，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；
发送模块502，用于基于所述目标测量结果，发送前导码。
可选的，所述目标测量结果还包括：通信测量结果。
可选的，发送模块502用于在所述目标测量结果满足预设条件的情况下，发送前导码。
可选的，在所述目标测量结果还包括通信测量结果的情况下，所述目标测量结果满足预设条件包括如下至少一项：
所述感知测量结果满足第一预设条件；
所述通信测量结果满足第二预设条件。
可选的，在所述目标测量结果包括所述感知测量结果和所述通信测量结果的情况下：
所述目标测量结果包括：针对相同的第一信号进行测量得到的所述感知测量结果和所述通信测量结果；或者
所述目标测量结果包括：针对第一信号集进行测量得到的所述感知测量结果，针对第二信号集进行测量得到的所述通信测量结果，所述第一信号集和所述第二信号集分别包括不同的第一信号。
可选的，所述装置还包括：
接收模块，用于接收第一指示信息，所述第一指示信息用于指示如下至少一项：
所述第一信号的配置信息；
所述感知测量结果的类型；
所述感知测量结果对应的第一预设条件；
测量需求。
可选的，所述配置信息包括如下至少一项：
波形类型、子载波间隔、保护间隔、带宽、突发Burst持续时间、时域间隔、发送功率、信号格式、信号方向、时间资源、频域资源、准共址QCL关系、天线配置信息。
可选的，所述装置还包括：
确定模块，用于依据所述感知测量结果和通信测量结果中的至少一项，确定前导码发送参数，所述通信测量结果为所述目标测量结果包括的通信测量结果。
可选的，所述前导码发送参数包括如下至少一项：
第三信号集的至少一个第一信号对应的前导码发送参数，所述第三信号集包括：所述 感知测量结果满足第一预设条件，且所述通信测量结果满足第二预设条件的第一信号；
第四信号集对应的前导码发送参数，所述第四信号集包括：第五信号集的至少一个第一信号和第六信号集的至少一个第一信号；
所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数；
其中，所述第五信号集包括：所述感知测量结果满足所述第一预设条件的第一信号，所述第六信号集包括：所述通信测量结果满足所述第二预设条件的第一信号。
可选的，在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述发送前导码包括：
基于所述第五信号集的至少一个第一信号对应的前导码发送参数，发送前导码；
基于所述第六信号集的至少一个第一信号对应的前导码发送参数，发送前导码。
可选的，在所述前导码发送参数包括所述第三信号集的至少一个第一信号对应的前导码发送参数或者所述第四信号集对应的前导码发送参数的情况下，所述终端发送一个前导码，且所述一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的参考信号接收功率RSRP确定；或者
在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述终端发送两个前导码，其中，一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的RSRP确定，另一个前导码的上行发射功率根据所述感知测量结果满足第一预设条件的第一信号的RSRP确定。
可选的，每个第一信号对应的前导码发送参数包括如下至少一项：
网络侧配置的发送参数、协议定义的发送参数。
可选的，所述前导码发送参数包括如下至少一项：
时域资源、频域资源、前导码序列参数。
可选的，所述发送前导码包括：
发送第一消息，所述第一消息包括所述前导码，以及还包括如下至少一项：
针对所述第一信号的感知测量量；
所述感知测量结果。
可选的，所述感知测量结果包括如下至少一项：
感知所述第一信号的信号分量功率；
感知信噪比SNR；
感知信号与干扰加噪声比SINR；
感知目标是否存在：
感知目标个数；
感知雷达截面积RCS；
感知谱信息；
感知时延；
感知距离；
感知多普勒；
感知速度；
感知角度信息。
可选的，所述感知测量结果对应的第一预设条件包括如下至少一项：
所述感知所述第一信号的信号分量功率满足第一门限条件；
所述感知SNR满足第二门限条件；
所述感知SINR满足第三门限条件；
感知目标存在：
感知目标个数满足第四门限条件；
所述感知雷达截面积RCS满足第五门限条件；
所述感知谱信息满足第六门限条件；
所述感知时延满足第七门限条件；
所述感知距离满足第八门限条件；
所述感知多普勒满足第九门限条件；
所述感知速度满足第十门限条件；
所述感知角度信息满足第十一门限条件。
可选的，所述通信测量结果包括如下至少一项：
RSRP、接收信号强度指示RSSI、预编码矩阵指示PMI、秩指示RI、信道质量指示CQI、信噪比SNR、信号与干扰加噪声比SINR、比特出错概率BER、误块率BLER。
可选的，所述通信测量结果对应的第二预设条件包括如下至少一项：
所述RSRP满足第十二门限条件；
所述RSSI满足第十三门限条件；
所述PMI满足第十四门限条件；
所述RI满足第十五门限条件；
所述CQI满足第十六门限条件；
所述SNR满足第十七门限条件；
所述SINR满足第十八门限条件；
所述BER满足第十九门限条件；
所述BLER满足第二十门限条件。
可选的，所述发送前导码包括：
发送消息MSG1，所述MSG1包括所述前导码；或者
发送消息MSG A，所述MSG A包括所述前导码。
上述前导码发送装置可以提高终端的感知性能。
本申请实施例中的前导码发送装置可以是电子设备，例如具有操作系统的电子设备，也可以是电子设备中的部件，例如集成电路或芯片。例如：该电子设备可以是网络侧设备，也可以为除网络侧设备之外的其他设备。示例性的，网络侧设备可以包括但不限于本申请实施例所列举的网络侧设备的类型，其他设备可以为服务器、网络附属存储器(Network Attached Storage，NAS)等，本申请实施例不作具体限定。
本申请实施例提供的前导码发送装置能够实现图3所示的方法实施例实现的各个过程，并达到相同的技术效果，为避免重复，这里不再赘述。
可选的，如图6所示，本申请实施例还提供一种通信设备600，包括处理器601和存储器602，存储器602上存储有可在所述处理器601上运行的程序或指令，例如，该通信设备600为终端时，该程序或指令被处理器601执行时实现上述前导码发送方法实施例的各个步骤，且能达到相同的技术效果，为避免重复，这里不再赘述。
本申请实施例还提供一种终端，包括处理器及通信接口，其中，所述通信接口用于测量模块，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；基于所述目标测量结果，发送前导码。该终端实施例与上述终端侧方法实施例对应，上述方法实施例的各个实施过程和实现方式均可适用于该第一设备实施例中，且能达到相同的技术效果。
具体地，图7为实现本申请实施例的一种终端的硬件结构示意图。
该终端700，包括但不限于：射频单元701、网络模块702、音频输出单元703、输入单元704、传感器705、显示单元706、用户输入单元707、接口单元708、存储器709以及处理器710等中的至少部分部件。
本领域技术人员可以理解，终端700还可以包括给各个部件供电的电源(比如电池)，电源可以通过电源管理系统与处理器710逻辑相连，从而通过电源管理系统实现管理充电、放电、以及功耗管理等功能。图7中示出的终端结构并不构成对终端的限定，终端可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置，在此不再赘述。
应理解的是，本申请实施例中，输入单元704可以包括图形处理单元(Graphics Processing Unit，GPU)7041和麦克风7042，图形处理单元7041对在视频捕获模式或图像捕获模式中由图像捕获装置(如摄像头)获得的静态图片或视频的图像数据进行处理。显示单元706可包括显示面板7061，可以采用液晶显示器、有机发光二极管等形式来配置显示面板7061。用户输入单元707包括触控面板7071以及其他输入设备7072中的至少一种。触控面板7071，也称为触摸屏。触控面板7071可包括触摸检测装置和触摸控制器两个部分。其他输入设备7072可以包括但不限于物理键盘、功能键(比如音量控制按键、开关按键等)、轨迹球、鼠标、操作杆，在此不再赘述。
本申请实施例中，射频单元701接收来自网络侧设备的下行数据后，可以传输给处理 器710进行处理；另外，射频单元701可以向网络侧设备发送上行数据。通常，射频单元701包括但不限于天线、放大器、收发信机、耦合器、低噪声放大器、双工器等。
存储器709可用于存储软件程序或指令以及各种数据。存储器709可主要包括存储程序或指令的第一存储区和存储数据的第二存储区，其中，第一存储区可存储操作系统、至少一个功能所需的应用程序或指令(比如声音播放功能、图像播放功能等)等。此外，存储器709可以包括易失性存储器或非易失性存储器，或者，存储器709可以包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(Read-Only Memory，ROM)、可编程只读存储器(Programmable ROM，PROM)、可擦除可编程只读存储器(Erasable PROM，EPROM)、电可擦除可编程只读存储器(Electrically EPROM，EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory，RAM)，静态随机存取存储器(Static RAM，SRAM)、动态随机存取存储器(Dynamic RAM，DRAM)、同步动态随机存取存储器(Synchronous DRAM，SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM，DDRSDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM，ESDRAM)、同步连接动态随机存取存储器(Synch link DRAM，SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM，DRRAM)。本申请实施例中的存储器709包括但不限于这些和任意其它适合类型的存储器。
处理器710可包括一个或多个处理单元；可选的，处理器710集成应用处理器和调制解调处理器，其中，应用处理器主要处理涉及操作系统、用户界面和应用程序等的操作，调制解调处理器主要处理无线通信信号，如基带处理器。可以理解的是，上述调制解调处理器也可以不集成到处理器710中。
其中，射频单元701，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；基于所述目标测量结果，发送前导码。
可选的，所述目标测量结果还包括：通信测量结果。
可选的，所述基于所述目标测量结果，发送前导码，包括：
所述终端在所述目标测量结果满足预设条件的情况下，发送前导码。
可选的，在所述目标测量结果还包括通信测量结果的情况下，所述目标测量结果满足预设条件包括如下至少一项：
所述感知测量结果满足第一预设条件；
所述通信测量结果满足第二预设条件。
可选的，在所述目标测量结果包括所述感知测量结果和所述通信测量结果的情况下：
所述目标测量结果包括：针对相同的第一信号进行测量得到的所述感知测量结果和所述通信测量结果；或者
所述目标测量结果包括：针对第一信号集进行测量得到的所述感知测量结果，针对第二信号集进行测量得到的所述通信测量结果，所述第一信号集和所述第二信号集分别包括不同的第一信号。
可选的，所述终端对第一信号进行测量，得到目标测量结果之前，射频单元701还用于：
所述终端接收第一指示信息，所述第一指示信息用于指示如下至少一项：
所述第一信号的配置信息；
所述感知测量结果的类型；
所述感知测量结果对应的第一预设条件；
测量需求。
可选的，所述配置信息包括如下至少一项：
波形类型、子载波间隔、保护间隔、带宽、突发Burst持续时间、时域间隔、发送功率、信号格式、信号方向、时间资源、频域资源、准共址QCL关系、天线配置信息。
可选的，发送所述前导码之前，射频单元701还用于：
依据所述感知测量结果和通信测量结果中的至少一项，确定前导码发送参数，所述通信测量结果为所述目标测量结果包括的通信测量结果。
可选的，所述前导码发送参数包括如下至少一项：
第三信号集的至少一个第一信号对应的前导码发送参数，所述第三信号集包括：所述感知测量结果满足第一预设条件，且所述通信测量结果满足第二预设条件的第一信号；
第四信号集对应的前导码发送参数，所述第四信号集包括：第五信号集的至少一个第一信号和第六信号集的至少一个第一信号；
所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数；
其中，所述第五信号集包括：所述感知测量结果满足所述第一预设条件的第一信号，所述第六信号集包括：所述通信测量结果满足所述第二预设条件的第一信号。
可选的，在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述发送前导码包括：
基于所述第五信号集的至少一个第一信号对应的前导码发送参数，发送前导码；
基于所述第六信号集的至少一个第一信号对应的前导码发送参数，发送前导码。
可选的，在所述前导码发送参数包括所述第三信号集的至少一个第一信号对应的前导码发送参数或者所述第四信号集对应的前导码发送参数的情况下，所述终端发送一个前导码，且所述一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的参考信号接收功率RSRP确定；或者
在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述终端发送两个前导码，其中，一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的RSRP确定，另一个前导码的上行发射功率根据所述感知测量结 果满足第一预设条件的第一信号的RSRP确定。
可选的，每个第一信号对应的前导码发送参数包括如下至少一项：
网络侧配置的发送参数、协议定义的发送参数。
可选的，所述前导码发送参数包括如下至少一项：
时域资源、频域资源、前导码序列参数。
可选的，所述发送前导码包括：
发送第一消息，所述第一消息包括所述前导码，以及还包括如下至少一项：
针对所述第一信号的感知测量量；
所述感知测量结果。
可选的，所述感知测量结果包括如下至少一项：
感知所述第一信号的信号分量功率；
感知信噪比SNR；
感知信号与干扰加噪声比SINR；
感知目标是否存在：
感知目标个数；
感知雷达截面积RCS；
感知谱信息；
感知时延；
感知距离；
感知多普勒；
感知速度；
感知角度信息。
可选的，所述感知测量结果对应的第一预设条件包括如下至少一项：
所述感知所述第一信号的信号分量功率满足第一门限条件；
所述感知SNR满足第二门限条件；
所述感知SINR满足第三门限条件；
感知目标存在：
感知目标个数满足第四门限条件；
所述感知雷达截面积RCS满足第五门限条件；
所述感知谱信息满足第六门限条件；
所述感知时延满足第七门限条件；
所述感知距离满足第八门限条件；
所述感知多普勒满足第九门限条件；
所述感知速度满足第十门限条件；
所述感知角度信息满足第十一门限条件。
可选的，所述通信测量结果包括如下至少一项：
RSRP、接收信号强度指示RSSI、预编码矩阵指示PMI、秩指示RI、信道质量指示CQI、信噪比SNR、信号与干扰加噪声比SINR、比特出错概率BER、误块率BLER。
可选的，所述通信测量结果对应的第二预设条件包括如下至少一项：
所述RSRP满足第十二门限条件；
所述RSSI满足第十三门限条件；
所述PMI满足第十四门限条件；
所述RI满足第十五门限条件；
所述CQI满足第十六门限条件；
所述SNR满足第十七门限条件；
所述SINR满足第十八门限条件；
所述BER满足第十九门限条件；
所述BLER满足第二十门限条件。
可选的，所述发送前导码包括：
发送消息MSG1，所述MSG1包括所述前导码；或者
发送消息MSG A，所述MSG A包括所述前导码。
上述终端可以提高终端的感知性能。
本申请实施例还提供一种可读存储介质，所述可读存储介质上存储有程序或指令，该程序或指令被处理器执行时实现上述前导码发送方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
其中，所述处理器为上述实施例中所述的终端中的处理器。所述可读存储介质，包括计算机可读存储介质，如计算机只读存储器ROM、随机存取存储器RAM、磁碟或者光盘等。
本申请实施例另提供了一种芯片，所述芯片包括处理器和通信接口，所述通信接口和所述处理器耦合，所述处理器用于运行程序或指令，实现上述前导码发送方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
应理解，本申请实施例提到的芯片还可以称为系统级芯片，系统芯片，芯片系统或片上系统芯片等。
本申请实施例另提供了一种计算机程序/程序产品，所述计算机程序/程序产品被存储在存储介质中，所述计算机程序/程序产品被至少一个处理器执行以实现上前导码发送方法实施例的各个过程，且能达到相同的技术效果，为避免重复，这里不再赘述。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除 在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。此外，需要指出的是，本申请实施方式中的方法和装置的范围不限按示出或讨论的顺序来执行功能，还可包括根据所涉及的功能按基本同时的方式或按相反的顺序来执行功能，例如，可以按不同于所描述的次序来执行所描述的方法，并且还可以添加、省去、或组合各种步骤。另外，参照某些示例所描述的特征可在其他示例中被组合。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以计算机软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
上面结合附图对本申请的实施例进行了描述，但是本申请并不局限于上述的具体实施方式，上述的具体实施方式仅仅是示意性的，而不是限制性的，本领域的普通技术人员在本申请的启示下，在不脱离本申请宗旨和权利要求所保护的范围情况下，还可做出很多形式，均属于本申请的保护之内。

Claims (22)

  1. 一种前导码发送方法，其特征在于，包括：
    终端对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；
    所述终端基于所述目标测量结果，发送前导码。
  2. 如权利要求1所述的方法，其特征在于，所述目标测量结果还包括：通信测量结果。
  3. 如权利要求1所述的方法，其特征在于，所述基于所述目标测量结果，发送前导码，包括：
    所述终端在所述目标测量结果满足预设条件的情况下，发送前导码。
  4. 如权利要求3所述的方法，其特征在于，在所述目标测量结果还包括通信测量结果的情况下，所述目标测量结果满足预设条件包括如下至少一项：
    所述感知测量结果满足第一预设条件；
    所述通信测量结果满足第二预设条件。
  5. 如权利要求2所述的方法，其特征在于，所述目标测量结果包括：针对相同的第一信号进行测量得到的所述感知测量结果和所述通信测量结果；或者
    所述目标测量结果包括：针对第一信号集进行测量得到的所述感知测量结果，针对第二信号集进行测量得到的所述通信测量结果，所述第一信号集和所述第二信号集分别包括不同的第一信号。
  6. 如权利要求1所述的方法，其特征在于，所述终端对第一信号进行测量，得到目标测量结果之前，所述方法还包括：
    所述终端接收第一指示信息，所述第一指示信息用于指示如下至少一项：
    所述第一信号的配置信息；
    所述感知测量结果的类型；
    所述感知测量结果对应的第一预设条件；
    测量需求。
  7. 如权利要求6所述的方法，其特征在于，所述配置信息包括如下至少一项：
    波形类型、子载波间隔、保护间隔、带宽、突发Burst持续时间、时域间隔、发送功率、信号格式、信号方向、时间资源、频域资源、准共址QCL关系、天线配置信息。
  8. 如权利要求1至7中任一项所述的方法，其特征在于，发送所述前导码之前，所述方法还包括：
    依据所述感知测量结果和通信测量结果中的至少一项，确定前导码发送参数，所述通信测量结果为所述目标测量结果包括的通信测量结果。
  9. 如权利要求8所述的方法，其特征在于，所述前导码发送参数包括如下至少一项：
    第三信号集的至少一个第一信号对应的前导码发送参数，所述第三信号集包括：所述 感知测量结果满足第一预设条件，且所述通信测量结果满足第二预设条件的第一信号；
    第四信号集对应的前导码发送参数，所述第四信号集包括：第五信号集的至少一个第一信号和第六信号集的至少一个第一信号；
    所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数；
    其中，所述第五信号集包括：所述感知测量结果满足所述第一预设条件的第一信号，所述第六信号集包括：所述通信测量结果满足所述第二预设条件的第一信号。
  10. 如权利要求9所述的方法，其特征在于，在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述发送前导码包括：
    基于所述第五信号集的至少一个第一信号对应的前导码发送参数，发送前导码；
    基于所述第六信号集的至少一个第一信号对应的前导码发送参数，发送前导码。
  11. 如权利要求9所述的方法，其特征在于，在所述前导码发送参数包括所述第三信号集的至少一个第一信号对应的前导码发送参数或者所述第四信号集对应的前导码发送参数的情况下，所述终端发送一个前导码，且所述一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的参考信号接收功率RSRP确定；或者
    在所述前导码发送参数包括所述第五信号集的至少一个第一信号对应的前导码发送参数，以及所述第六信号集的至少一个第一信号对应的前导码发送参数的情况下，所述终端发送两个前导码，其中，一个前导码的上行发射功率根据所述通信测量结果满足所述第二预设条件的第一信号的RSRP确定，另一个前导码的上行发射功率根据所述感知测量结果满足第一预设条件的第一信号的RSRP确定。
  12. 如权利要求9所述的方法，其特征在于，每个第一信号对应的前导码发送参数包括如下至少一项：
    网络侧配置的发送参数、协议定义的发送参数。
  13. 如权利要求8所述的方法，其特征在于，所述前导码发送参数包括如下至少一项：
    时域资源、频域资源、前导码序列参数。
  14. 如权利要求1至7中任一项所述的方法，其特征在于，所述发送前导码包括：
    发送第一消息，所述第一消息包括所述前导码，以及还包括如下至少一项：
    针对所述第一信号的感知测量量；
    所述感知测量结果。
  15. 如权利要求1至7中任一项所述的方法，其特征在于，所述感知测量结果包括如下至少一项：
    感知所述第一信号的信号分量功率；
    感知信噪比SNR；
    感知信号与干扰加噪声比SINR；
    感知目标是否存在：
    感知目标个数；
    感知雷达截面积RCS；
    感知谱信息；
    感知时延；
    感知距离；
    感知多普勒；
    感知速度；
    感知角度信息。
  16. 如权利要求15所述的方法，其特征在于，所述感知测量结果对应的第一预设条件包括如下至少一项：
    所述感知所述第一信号的信号分量功率满足第一门限条件；
    所述感知SNR满足第二门限条件；
    所述感知SINR满足第三门限条件；
    感知目标存在：
    感知目标个数满足第四门限条件；
    所述感知雷达截面积RCS满足第五门限条件；
    所述感知谱信息满足第六门限条件；
    所述感知时延满足第七门限条件；
    所述感知距离满足第八门限条件；
    所述感知多普勒满足第九门限条件；
    所述感知速度满足第十门限条件；
    所述感知角度信息满足第十一门限条件。
  17. 如权利要求2所述的方法，其特征在于，所述通信测量结果包括如下至少一项：
    RSRP、接收信号强度指示RSSI、预编码矩阵指示PMI、秩指示RI、信道质量指示CQI、信噪比SNR、信号与干扰加噪声比SINR、比特出错概率BER、误块率BLER。
  18. 如权利要求17所述的方法，其特征在于，所述通信测量结果对应的第二预设条件包括如下至少一项：
    所述RSRP满足第十二门限条件；
    所述RSSI满足第十三门限条件；
    所述PMI满足第十四门限条件；
    所述RI满足第十五门限条件；
    所述CQI满足第十六门限条件；
    所述SNR满足第十七门限条件；
    所述SINR满足第十八门限条件；
    所述BER满足第十九门限条件；
    所述BLER满足第二十门限条件。
  19. 如权利要求1至7中任一项所述的方法，其特征在于，所述发送前导码包括：
    发送消息MSG1，所述MSG1包括所述前导码；或者
    发送消息MSG A，所述MSG A包括所述前导码。
  20. 一种前导码发送装置，其特征在于，包括：
    测量模块，用于对第一信号进行测量，得到目标测量结果，所述目标测量结果包括：感知测量结果；
    发送模块，用于基于所述目标测量结果，发送前导码。
  21. 一种终端，其特征在于，包括处理器和存储器，所述存储器存储可在所述处理器上运行的程序或指令，所述程序或指令被所述处理器执行时实现如权利要求1至19任一项所述的前导码发送方法的步骤。
  22. 一种可读存储介质，其特征在于，所述可读存储介质上存储程序或指令，所述程序或指令被处理器执行时实现如权利要求1至19任一项所述的前导码发送方法的步骤。
PCT/CN2023/118441 2022-09-20 2023-09-13 前导码发送方法、终端及存储介质 Ceased WO2024061065A1 (zh)

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