WO2024061302A1 - Procédé de détection de signal, procédé d'envoi de signal, et terminal et dispositif côté réseau - Google Patents

Procédé de détection de signal, procédé d'envoi de signal, et terminal et dispositif côté réseau Download PDF

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Publication number
WO2024061302A1
WO2024061302A1 PCT/CN2023/120259 CN2023120259W WO2024061302A1 WO 2024061302 A1 WO2024061302 A1 WO 2024061302A1 CN 2023120259 W CN2023120259 W CN 2023120259W WO 2024061302 A1 WO2024061302 A1 WO 2024061302A1
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Prior art keywords
signal
data
domain
data field
information
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PCT/CN2023/120259
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English (en)
Chinese (zh)
Inventor
应祚龙
李东儒
曲鑫
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维沃移动通信有限公司
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Publication of WO2024061302A1 publication Critical patent/WO2024061302A1/fr

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    • 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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

Definitions

  • This application belongs to the field of communication technology, and specifically relates to a signal detection and transmission method, terminal and network side equipment.
  • LP-WUR low power wake-up receiver
  • NR New Radio
  • LP-WUS Low power wake-up signal
  • a typical LP-WUS consists of two parts: preamble and data domain.
  • LP-WUR can determine the decision threshold of the comparator through the preamble of LP-WUS, so that the data in LP-WUS can be decided.
  • LP-WUS In order to further reduce the load of LP-WUS, in some new LP-WUS design structures, LP-WUS only contains the data domain. Under this signal structure, there is no preamble to determine the decision threshold, and the terminal will not be able to pass LP-WUR to the The signal sent by the network side device is judged, which results in low accuracy of signal detection and may easily lead to signal detection failure.
  • Embodiments of the present application provide a signal detection and transmission method, a terminal, and a network-side device, which can solve the problem of low accuracy of the terminal detecting signals sent by the network-side device through LP-WUR.
  • a signal detection method including: a terminal receiving a first signal, the first signal including a first data domain and a second data domain, the first data domain being associated with the second data domain , the data in the first data field is a repetition of part of the data in the second data field.
  • a signal detection method including: a terminal receiving a second signal; the terminal detecting a third signal based on first information related to the second signal; wherein the second signal is a beacon signal or SSB, the third signal is a low-power wake-up signal.
  • a signal sending method including: a network side device sends a first signal, the first signal includes a first data field and a second data field, the first data field and the second data field are Domain association, the data in the first data domain is a repetition of part of the data in the second data domain.
  • a signal sending method including: a network side device sending a second signal, the second signal being used by a terminal to detect a third signal based on first information related to the second signal; wherein, The second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • a signal detection device including: a receiving module, used to receive a first signal, the first signal including a first data field and a second data field, the first data field is associated with the second data field, and the data in the first data field is a repetition of part of the data in the second data field.
  • a signal detection device including: a receiving module for receiving a second signal; a detection module for detecting a third signal based on first information related to the second signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • a signal sending device including: a sending module for sending a first signal, where the first signal includes a first data field and a second data field, and the first data field and the third data field are Two data fields are associated, and the data in the first data field is a repetition of part of the data in the second data field.
  • a signal sending device including: a sending module configured to send a second signal, the second signal being used by a terminal to detect a third signal based on first information related to the second signal; wherein, The second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • a terminal in a ninth aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are executed by the processor, the following implementations are implemented: The steps of the method described in the first aspect or the second aspect.
  • a terminal including a processor and a communication interface, wherein the communication interface is used to receive a first signal, the first signal includes a first data field and a second data field, and the first The data domain is associated with the second data domain, and the data in the first data domain is a repetition of part of the data in the second data domain; or, the communication interface is used to receive a second signal; according to the The first information related to the second signal detects a third signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • a network side device in an eleventh aspect, includes a processor and a memory.
  • the memory stores programs or instructions that can be run on the processor.
  • the program or instructions are used by the processor. When executed, the steps of the method described in the third aspect or the fourth aspect are implemented.
  • a network side device including a processor and a communication interface, wherein the communication interface is used to send a first signal, and the first signal includes a first data domain and a second data domain, so The first data domain is associated with the second data domain, and the data in the first data domain is a repetition of part of the data in the second data domain; or, the communication interface is used to send a second signal , the second signal is used by the terminal to detect a third signal based on the first information related to the second signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal .
  • a signal detection/transmission system including: a terminal and a network side device.
  • the terminal can be used to perform the steps of the method described in the first aspect or the second aspect, and the network side device can be used In performing the steps of the method described in the third aspect or the fourth aspect.
  • 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 implementation is as described in any one of the first to fourth aspects. steps of the method.
  • a chip in a fifteenth 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 first to fourth aspects. The steps of the method according to any one of the aspects.
  • 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 first aspect to the third aspect.
  • the terminal receives a first signal, the first signal includes a first data field and a second data field, the first data field is associated with the second data field, and the data of the first data field is the third data field.
  • the repetition of part of the data in the second data field ensures the accuracy or correctness of the terminal's detection of the first signal.
  • the terminal receives the beacon signal or SSB, detects the low-power wake-up signal according to the first information related to the beacon signal or SSB, and when the low-power wake-up signal does not include a preamble, the terminal is guaranteed to The accuracy or correctness of low-power wake-up signal detection.
  • Figure 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • Figure 2 is a schematic flow chart of a signal detection method according to an embodiment of the present application.
  • Figure 3 is a schematic flow chart of a signal detection method according to an embodiment of the present application.
  • Figure 4 is a schematic flow chart of a signal sending method according to an embodiment of the present application.
  • Figure 5 is a schematic flow chart of a signal sending method according to an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a WUS signal according to an embodiment of the present application.
  • Figure 7 is a schematic structural diagram of a beacon signal according to an embodiment of the present application.
  • Figure 8 is a schematic diagram of the application of the signal detection method according to the embodiment of the present application.
  • Figure 9 is a schematic structural diagram of a detection device according to an embodiment of the present application.
  • Figure 10 is a schematic structural diagram of a detection device according to an embodiment of the present application.
  • Figure 11 is a schematic structural diagram of a sending device according to an embodiment of the present application.
  • Figure 12 is a schematic structural diagram of a sending device according to an embodiment of the present application.
  • Figure 13 is a schematic structural diagram of a communication device according to an embodiment of the present application.
  • Figure 14 is a schematic structural diagram of a terminal according to an embodiment of the present application.
  • FIG. 15 is a schematic diagram of the structure of a network side device according to 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
  • 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
  • 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 may 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 palmtop 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
  • MID mobile Internet Device
  • AR augmented reality
  • VR virtual reality
  • robots wearable devices
  • WUE Vehicle User Equipment
  • PUE Pedestrian User Equipment
  • smart home home equipment with wireless communication functions, such as refrigerators, TVs, washing machines or furniture, etc.
  • game consoles personal computers (personal computer, PC), teller machine or self-service machine and other terminal-side devices.
  • Wearable devices include: smart watches, smart bracelets, smart headphones, smart glasses, smart jewelry (smart bracelets, smart bracelets, smart rings, smart necklaces, smart anklets) bracelets, smart anklets, etc.), smart wristbands, smart clothing, etc.
  • the network side device 12 may include an access network device or a core network device, where the access network device may also be called a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a wireless device. access network unit. Access network equipment may include base stations, WLAN access points or WiFi nodes, etc.
  • the base stations may 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, transmitting and receiving point (Transmitting Receiving Point, TRP) or some other appropriate terminology in the field.
  • eNB evolved Node B
  • BTS base transceiver station
  • BTS Basic Service Set
  • ESS Extended Service Set
  • home B-node home evolved B-node
  • transmitting and receiving Point Transmitting Receiving Point
  • this embodiment of the present application provides a signal detection method 200, which can be executed by a terminal.
  • the method can be executed by software or hardware installed on the terminal.
  • the method includes the following steps.
  • the terminal receives a first signal, the first signal includes a first data field and a second data field, the first data field is associated with the second data field, and the data of the first data field is the Duplication of part of the data in the second data field.
  • the first data field is associated with the second data field, and the data in the first data field is a repetition of part of the data in the second data field.
  • the terminal can perform the processing of the third data field based on the first data field.
  • the second data domain is used for detection, etc.
  • the first signal is a low-power wake-up signal (Wake Up Signal, WUS).
  • WUS structure in the related art is preamble+data domain, and the WUS in this embodiment may only have a data domain without a preamble.
  • This embodiment redesigns the structure of the WUS to include a first data domain and a second data domain, the first data domain is associated with the second data domain, and the data in the first data domain is a repetition of part of the data in the second data domain.
  • the terminal can detect the second data domain based on the first data domain, thereby ensuring the accuracy or correctness of the terminal's detection of the WUS signal.
  • the first signal may be a beacon signal that does not include a preamble (beacon without preamble).
  • This embodiment redesigns the structure of the beacon signal to include a first data field and a second Data domain, the first data domain is associated with the second data domain, and the data in the first data domain is a repetition of part of the data in the second data domain.
  • the terminal can detect the second data field based on the first data field, ensuring the accuracy or correctness of the terminal's detection of the beacon signal.
  • the terminal receives a first signal
  • the first signal includes a first data field and a second data field
  • the first data field is associated with the second data field
  • the data of the first data field is The repetition of part of the data in the second data field ensures the accuracy or correctness of the terminal's detection of the first signal.
  • the terminal can obtain a decision threshold by detecting the data in the first data field, and another decision threshold by detecting the data in the second data field, and then the two decision thresholds are combined to detect the data in the second data field.
  • the terminal can obtain a decision threshold by detecting the data in the first data field, and another decision threshold by detecting the data in the second data field, and then the two decision thresholds are combined to detect the data in the second data field.
  • the terminal can obtain a decision threshold by detecting the data in the first data field, and another decision threshold by detecting the data in the second data field, and then the two decision thresholds are combined to detect the data in the second data field.
  • the association of the first data domain with the second data domain includes: the terminal assists detection of the second data domain based on detection of the first data domain.
  • the terminal can obtain the comparison based on the first data field
  • the decision threshold of the device is then used to detect the second data domain, which is beneficial to improving the accuracy of the decision of the data domain of the first signal.
  • the first signal as an OOK signal sequence (including a sequence of multiple 0s and 1s) as an example
  • the decision threshold can be obtained based on the data received in the first data domain. Based on the above decision threshold, Detect the data in the second data field, that is, detect whether the bit sent by the sending end is 0 or 1.
  • the data in the first data field may be multiple repetitions of part of the data in the second data field.
  • the length of the first data field is 2 bits
  • the data in the first data field is the first bit of the second data field. 2 repetitions of bits of data.
  • the length of the first data field is 4 bits
  • the data in the first data field is two repetitions of the first 2 bits of data in the second data field, or the data in the first data field is the second data field. 4 repetitions of the first bit of data.
  • the number of bits contained in the repeated data is greater than or equal to 1, and may also be less than or equal to the number of bits of the preamble in the related art. Generally, the more the number of bits contained in the repeated data, the more accurate the decision threshold obtained.
  • the length of the first data field may be smaller than the number of bits of the preamble of the WUS signal in the related art, which is beneficial to reducing the load of the first signal.
  • association relationship between the first data domain and the second data domain may be configured by the network side device or predefined by the protocol.
  • the first data domain and the second data domain have at least one of the following correlation relationships: detection correlation and usage correlation.
  • the detection association includes: the terminal assists the detection of the second data field according to the detection of the first data field.
  • the usage correlation includes: the first data is used for at least one of the following of the second data: time-frequency offset correction, automatic gain control (Automatic Gain Control, AGC) adjustment, analog-to-digital converter (Analog-to- Digital Converter, ADC) adjustment, decision threshold adjustment.
  • AGC Automatic Gain Control
  • ADC Analog-to- Digital Converter
  • the first data domain and the second data domain have a detection association relationship
  • S202 may further include the following steps: the terminal detects the second data domain based on the first data domain.
  • the first data field and the second data field have a usage association relationship
  • S202 may also include the following steps: the terminal performs at least one of the following on the second data field based on the first data field: time-frequency offset correction, AGC adjustment, ADC adjustment, and decision threshold adjustment.
  • the first data domain and the second data domain may also have at least one of the following correlations: time domain location correlation, frequency domain location correlation; wherein the time domain location correlation includes: The time domain position of the first data domain is before the time domain position of the second data domain, and the time domain position of the first data domain is adjacent to the time domain position of the second data domain; the The frequency domain position association includes: the frequency domain position of the first data domain is the same as the frequency domain position of the second data domain or there is a first frequency difference. That is, in this embodiment, the time domain position relationship between the first data domain and the second data domain satisfies: the time domain position of the first data domain is before the time domain position of the second data domain.
  • the frequency domain position of the first data domain is the same as the frequency domain position of the second data domain or there is a first frequency difference.
  • the length of the first data field is a first length, and the first length consists of one or more specific values.
  • the first length consists of one or more specific values a1, a2,...,an from a specific set.
  • the first length may be configured by the network side device or predefined.
  • the first length is related to the second length of the second data field. For example, there is a fixed proportional relationship or a fixed difference between the first length and the second length of the second data field.
  • the second length is N1 times the first length, N1 is a positive number, or the second length is N2 symbols longer than the first length, and N2 is a positive integer.
  • the data in the first data domain is: a repetition of the data of the first time unit set in the second data domain; or, the data in the first data domain is: the data in the second data domain Repetition of data in a second set of time units; wherein the first set of time units includes one or more continuous time units; and the second set of time units includes a plurality of discrete time units.
  • the network side device may copy the first time unit set in the second data domain to the starting position of the first data domain. Further, the plurality of second time unit sets in the second data domain are copied to the starting position of the first data domain. It should be noted that the above-mentioned copying means that the content of the first data unit is the copy of the content of the first n time units of the second data unit.
  • the number of time units included in the first time unit set is configured by the network side device or predefined by the protocol.
  • the number of time units included in the second time unit set is configured by the network side device or predefined by the protocol.
  • the units of the time units mentioned above can be symbols, slots, seconds, microseconds, milliseconds, frames, half-frames, etc.
  • the symbols may be Orthogonal Frequency Division Multiplexing (OFDM) symbols, they may also be Amplitude Shift Keying (ASK) symbols, or they may be binary on/off keying (On -Off Keying, OOK) symbol.
  • OFDM Orthogonal Frequency Division Multiplexing
  • ASK Amplitude Shift Keying
  • OOK binary on/off keying
  • this embodiment of the present application provides another signal detection method 300, which can be executed by a terminal.
  • the method can be executed by software or hardware installed on the terminal.
  • the method includes the following steps.
  • S302 The terminal receives the second signal.
  • the terminal detects a third signal according to the first information related to the second signal; wherein the second signal is a beacon signal or a synchronization signal block (Synchronization Signal Block, SSB), and the third signal is Low power wake-up signal.
  • the second signal is a beacon signal or a synchronization signal block (Synchronization Signal Block, SSB)
  • the third signal is Low power wake-up signal.
  • the first information may be a decision threshold of the LP-WUR comparator.
  • the low-power wake-up signal as an OOK signal sequence (including multiple sequences of 0s and 1s) as an example, when the terminal's LP-WUR receives the low-power wake-up signal, it can detect whether the bits sent by the sender are based on the above decision threshold. 0 or 1.
  • the first information may be carried by the second signal, or the terminal may indirectly obtain the first information based on the second signal.
  • the first information is related to the type of the second signal.
  • the first information obtained is information A; when the terminal receives the second signal of the second type, The first information obtained is information B; and so on.
  • the low-power wake-up signal in this embodiment may only exist in the data domain and not include the preamble.
  • the terminal receives a beacon signal or SSB and detects a low-power wake-up signal based on the first information related to the beacon signal or SSB.
  • the low-power wake-up signal does not include a preamble, This ensures the accuracy or correctness of the terminal's detection of low-power wake-up signals.
  • this embodiment can also use the low-power wake-up signal to detect a beacon signal.
  • the beacon signal may only have a data field and does not include a preamble. code.
  • the first information satisfies at least one of the following: 1) the first information is carried by the data field of the second signal; 2) the first information is carried by the preamble of the second signal ;3)
  • the first information is related to the type of the second signal. For example, there is a mapping relationship between the first information and the type of the second signal.
  • the second signal is a beacon signal; wherein the data field of the beacon signal indicates the first information; or the preamble of the beacon signal is associated with the first information.
  • the data field of the beacon signal may directly indicate the first information, or the preamble of the beacon signal may be associated with the first information.
  • the second signal is SSB; wherein the terminal receiving the second signal includes: when the terminal is in a low power consumption wake-up state, the terminal receives SSB; the terminal receives the SSB according to the second signal Detecting the third signal based on the relevant first information includes: when the terminal is in a low-power sleep state, the terminal detects the third signal based on the first information related to the second signal.
  • the terminal receives SSB through the main receiver in the low-power wake-up state, and detects the third signal through LP-WUR in the low-power sleep state.
  • the terminal mentioned in various embodiments of this application may include a main receiver (or main module) and a low-power wake-up receiver (LP-WUR).
  • the low-power wake-up state of the terminal may be: The main module is in working status and LP-WUR is in sleeping status.
  • the low-power sleep state of the terminal can be: the main module is in sleep state and LP-WUR is in working state.
  • the second signal is a beacon signal; wherein the terminal receiving the second signal includes: when the terminal is in a low-power sleep state, the terminal receives SSB; the terminal receives the SSB according to the first Detecting the third signal based on the first information related to the two signals includes: when the terminal is in a low-power sleep state, the terminal detects the third signal based on the first information related to the second signal.
  • the terminal receives the beacon signal through LP-WUR in the low-power sleep state, and also detects the third signal through LP-WUR in the low-power sleep state.
  • the interval between the second signal and the third signal is less than the first correlation duration T.
  • the interval between the time domain starting positions of the second signal and the third signal is less than the first correlation time. Duration T.
  • the information of the first correlation duration T may be pre-configured or pre-defined through network signaling.
  • the first correlation duration T is correlated with the channel coherence duration.
  • the second signal is a beacon signal
  • the channel remains constant during the first correlation duration T and the fading characteristics of the signals are similar. Therefore, the decision threshold of the beacon signal can be used to make a decision on the data of the low-power wake-up signal.
  • the unit of the first correlation duration T may be: slot, symbol, millisecond (ms), subframe, half-frame, frame, etc.
  • the terminal detecting the third signal according to the first information related to the second signal includes: the terminal After the first information is parsed successfully, the first information is used to detect the third signal; or, after the terminal fails to receive the second signal and/or the first information parses fails, the terminal uses historical time The obtained first information detects the third signal.
  • the first information obtained at the historical moment includes: first information related to the second signal received N times before, where N is a positive integer.
  • the signal detection method according to the embodiment of the present application is described in detail above with reference to FIG. 2 .
  • the signal sending method according to the embodiment of the present application will be described in detail below with reference to FIG. 4 . It can be understood that the interaction between the network side device and the terminal described from the network side device is the same as or corresponding to the description on the terminal side in the method shown in Figure 2. To avoid duplication, the relevant description is appropriately omitted.
  • FIG 4 is a schematic flowchart of the implementation of the signal sending method according to the embodiment of the present application, which can be applied to network-side devices. As shown in Figure 4, the method 400 includes the following steps.
  • the network side device sends a first signal.
  • the first signal includes a first data field and a second data field.
  • the first data field is associated with the second data field.
  • the data of the first data field is The repetition of part of the data in the second data field.
  • the network side device sends a first signal.
  • the first signal includes a first data field and a second data field.
  • the first data field is associated with the second data field.
  • the first data field is The data is a repetition of part of the data in the second data domain, which is beneficial to ensuring the accuracy or correctness of the terminal's detection of the first signal.
  • the data in the first data domain is: a repetition of the data of the first time unit set in the second data domain; or, the data in the first data domain is: the Repetition of data of a second set of time units in the second data domain; wherein the first set of time units includes one or more continuous time units; and the second set of time units includes a plurality of discrete time units.
  • the first data domain and the second data domain have an association relationship with at least one of the following: detection association and usage association; wherein the detection association includes: the terminal determines the The detection of a data domain assists the detection of the second data domain; the usage association includes: the first data is used for at least one of the following of the second data: time-frequency offset correction, AGC adjustment, ADC adjustment , decision threshold adjustment.
  • the first data domain and the second data domain have at least one of the following correlations: time domain location correlation, frequency domain location correlation; wherein the time domain location correlation includes: : The time domain position of the first data domain is before the time domain position of the second data domain, and the time domain position of the first data domain is adjacent to the time domain position of the second data domain; so
  • the frequency domain position association includes: the frequency domain position of the first data domain is the same as the frequency domain position of the second data domain or there is a first frequency difference.
  • the signal detection method according to the embodiment of the present application is described in detail above with reference to FIG. 3 .
  • the signal sending method according to the embodiment of the present application will be described in detail below with reference to FIG. 5 . It can be understood that the interaction between the network side device and the terminal described from the network side device is the same as or corresponding to the description on the terminal side in the method shown in Figure 3. To avoid duplication, the relevant description is appropriately omitted.
  • Figure 5 is a schematic flow chart of the signal sending method according to the embodiment of the present application, which can be applied to network-side devices. As shown in the picture As shown in 5, the method 500 includes the following steps.
  • the network side device sends a second signal, and the second signal is used by the terminal to detect a third signal according to first information related to the second signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • the network side device sends a beacon signal or SSB for the terminal to detect a low-power wake-up signal based on the first information related to the beacon signal or SSB.
  • the low-power wake-up signal does not include In the case of preamble, it is helpful to ensure the accuracy or correctness of low-power wake-up signal detection by the terminal.
  • the first information satisfies at least one of the following: 1) the first information is carried by the data field of the second signal; 2) the first information is carried by the second signal The preamble of the signal carries; 3) the first information is related to the type of the second signal.
  • the interval between the second signal and the third signal is smaller than the first correlation time length T.
  • the receiving end detects the second data field based on the first data field.
  • the WUS signal adopts the OOK modulation method.
  • the first data field is a specific value with a determined length, where an takes a value of 0 or 1, an comes from a specific set, and the specific set is ⁇ 0,1 ⁇ .
  • the specific value length is determined by one of the following methods:
  • the specific value is 10 symbols in length and consists of 0 and 1, then the specific value can be 0101010101.
  • a beacon signal (beacon signal) is sent periodically.
  • the structure contains two parts: a preamble and a data field.
  • the first information is inserted into the data field to indicate the detection of the WUS signal. .
  • the beacon signal does not explicitly indicate the first information through the data field, but binds the first information to the type of the beacon signal in a predefined manner, that is, an implicit indication, and the terminal determines the received
  • the beacon signal can detect the corresponding low-power wake-up signal.
  • the beacon signal is sent according to a fixed period, and the WUS signal period or on-demand send.
  • beacon signal 1 and beacon signal 2 are detected successfully, beacon signal 3 fails to be detected, and WUS signal 1 and WUS signal 2 are sent on demand.
  • WUS signal 1 and WUS signal 2 respectively correspond to two methods for the terminal to demodulate the third signal based on the first information of the second signal.
  • Method 1 After the first information is parsed successfully, the first information is directly used to detect the third signal. Because the beacon signal 1 is successfully demodulated, the first information carried in the beacon signal 1 can be used to directly detect the WUS signal 1 when detecting the WUS signal 1 .
  • Method 2 After the second signal reception fails and/or the first information parsing fails, the third signal is detected using the historical first information. Since the demodulation of beacon signal 3 fails and the first information content cannot be obtained, the first information at the historical moment is used at this time, that is, the detection of WUS signal 2 depends on the first information in beacon signal 2, or the first information of beacon signal 1 and beacon signal 2 are comprehensively considered, and finally WUS signal 2 is jointly detected.
  • the execution subject may be a signal detection/transmission device.
  • the signal detection/transmission method performed by the signal detection/transmission device is used as an example to illustrate the signal detection/transmission device provided by the embodiment of the present application.
  • FIG 9 is a schematic structural diagram of a signal detection device according to an embodiment of the present application. This device may correspond to a terminal in other embodiments. As shown in Figure 9, the device 900 includes the following modules.
  • the receiving module 902 is used to receive a first signal, where the first signal includes a first data field and a second data field, where the first data field is associated with the second data field, and the data in the first data field is a repetition of part of the data in the second data field.
  • the device 900 may also include a processing module connected to the receiving module 902 and the like.
  • the signal detection device receives a first signal.
  • the first signal includes a first data field and a second data field.
  • the first data field is associated with the second data field.
  • the data of the first data field is the The repetition of part of the data in the second data field ensures the accuracy or correctness of the first signal detection.
  • the data of the first data domain is: a repetition of the data of the first time unit set in the second data domain; or, the data of the first data domain is: a repetition of the data of the second time unit set in the second data domain; wherein, the first time unit set includes one or more continuous time units; and the second time unit set includes multiple discrete time units.
  • the receiving module 902 is further configured to: detect the second data domain based on the first data domain; and/or, the receiving module 902 is further configured to: detect the second data domain based on the first data domain.
  • One data domain performs at least one of the following on the second data domain: time-frequency offset correction, AGC adjustment, ADC adjustment, and decision threshold adjustment.
  • the time domain position relationship between the first data domain and the second data domain satisfies: the time domain position of the first data domain is within the time domain position of the second data domain. before, and the time domain position of the first data domain is adjacent to the time domain position of the second data domain; and/or, the frequency domain position relationship between the first data domain and the second data domain satisfies : The frequency domain position of the first data domain is the same as the frequency domain position of the second data domain or there is a first frequency difference.
  • the device 900 can refer to the process of the method 200 corresponding to the embodiment of the present application, and, Each unit/module in the device 900 and the above-mentioned other operations and/or functions are respectively intended to implement the corresponding processes in the method 200 and can achieve the same or equivalent technical effects. For the sake of brevity, they will not be described again here.
  • Fig. 10 is a schematic diagram of the structure of a signal detection device according to an embodiment of the present application, and the device may correspond to a terminal in other embodiments. As shown in Fig. 10, the device 1000 includes the following modules.
  • the receiving module 1002 is used to receive the second signal.
  • the detection module 1004 is configured to detect a third signal according to the first information related to the second signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • the signal detection device receives a beacon signal or SSB, and detects a low-power wake-up signal based on first information related to the beacon signal or SSB.
  • the low-power wake-up signal does not include a preamble code, the accuracy or correctness of the low-power wake-up signal detection is guaranteed.
  • the first information satisfies at least one of the following: 1) the first information is carried by the data field of the second signal; 2) the first information is carried by the second signal The preamble of the signal carries; 3) the first information is related to the type of the second signal.
  • the interval between the second signal and the third signal is less than the first correlation duration T.
  • the detection module 1004 is used to: after the first information is parsed successfully, use the first information to detect the third signal; or, after the second signal reception fails and/or the first information parsing fails, use the first information obtained at a historical moment to detect the third signal.
  • the device 1000 according to the embodiment of the present application can refer to the process corresponding to the method 300 of the embodiment of the present application, and each unit/module in the device 1000 and the above-mentioned other operations and/or functions are respectively to implement the corresponding process in the method 300, And can achieve the same or equivalent technical effects. For the sake of simplicity, they will not be described again here.
  • the signal detection device in the embodiment of the present application can be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device can be a terminal, or it can be other devices other than a terminal.
  • the terminal can include but is not limited to the types of terminal 11 listed above, and other devices can be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • FIG 11 is a schematic structural diagram of a signal sending device according to an embodiment of the present application. This device may correspond to network side equipment in other embodiments. As shown in Figure 11, the device 1100 includes the following modules.
  • Sending module 1102 configured to send a first signal, the first signal includes a first data field and a second data field, the first data field is associated with the second data field, and the data of the first data field It is a repetition of part of the data in the second data field.
  • the device 1100 may also include a processing module connected to the sending module, etc.
  • the signal sending device provided by the embodiment of the present application sends a first signal.
  • the first signal includes a first data field and a second data field.
  • the first data field is associated with the second data field.
  • the data of the first data field is the The repetition of part of the data in the second data field ensures the accuracy or correctness of the terminal's detection of the first signal.
  • the data of the first data domain is: a repetition of the data of the first time unit set in the second data domain; or, the data of the first data domain is: a repetition of the data of the second time unit set in the second data domain; wherein, the first time unit set includes one or more continuous time units; and the second time unit set includes multiple discrete time units.
  • the first data domain and the second data domain have an association relationship with at least one of the following: detection association and usage association; wherein the detection association includes: the terminal determines the The detection of a data domain assists the detection of the second data domain; the usage association includes: the first data is used for at least one of the following of the second data: time-frequency offset correction, AGC adjustment, ADC adjustment , decision threshold adjustment.
  • the first data domain and the second data domain have at least one of the following correlations: time domain location correlation, frequency domain location correlation; wherein the time domain location correlation includes: : The time domain position of the first data domain is before the time domain position of the second data domain, and the time domain position of the first data domain is adjacent to the time domain position of the second data domain; so
  • the frequency domain position association includes: the frequency domain position of the first data domain is the same as the frequency domain position of the second data domain or there is a first frequency difference.
  • the device 1100 according to the embodiment of the present application can refer to the process corresponding to the method 400 of the embodiment of the present application, and each unit/module in the device 1100 and the above-mentioned other operations and/or functions are respectively to implement the corresponding process in the method 400, And can achieve the same or equivalent technical effects. For the sake of simplicity, they will not be described again here.
  • FIG 12 is a schematic structural diagram of a signal sending device according to an embodiment of the present application. This device may correspond to network-side equipment in other embodiments. As shown in Figure 12, the device 1200 includes the following modules.
  • the sending module 1202 is configured to send a second signal, which is used by the terminal to detect a third signal according to the first information related to the second signal; wherein the second signal is a beacon signal or SSB, so The third signal is a low-power wake-up signal.
  • the apparatus 1200 may include a processing module connected to the sending module, etc.
  • the signal sending device provided by the embodiment of the present application sends a beacon signal or SSB for the terminal to detect a low-power wake-up signal based on the first information related to the beacon signal or SSB.
  • the low-power wake-up signal does not include a preamble, Under this condition, the accuracy or correctness of low-power wake-up signal detection by the terminal is guaranteed.
  • the first information satisfies at least one of the following: 1) the first information is carried by the data field of the second signal; 2) the first information is carried by the second signal The preamble of the signal carries; 3) the first information is related to the type of the second signal.
  • the interval between the second signal and the third signal is less than the first correlation duration T.
  • the device 1200 can refer to the process corresponding to the method 500 of the embodiment of the present application, and each unit/module and the above-mentioned other operations and/or functions in the device 1200 are respectively intended to implement the corresponding process in the method 500. And can achieve the same or equivalent technical effects. For the sake of simplicity, they will not be described again here.
  • the signal detection/transmission device provided by the embodiments of the present application can implement each process implemented by the method embodiments of Figures 2 to 5, and achieve the same technical effect. To avoid duplication, the details will not be described here.
  • an embodiment of the present application further provides a communication device 1300, including a processor 1301 and a memory 1302, wherein the memory 1302 stores a program or instruction that can be run on the processor 1301.
  • the communication device 1300 is a terminal
  • the program or instruction is executed by the processor 1301 to implement the various steps of the above-mentioned signal detection method embodiment, and can achieve the same technical effect.
  • the communication device 1300 is a network side device
  • the program or instruction is executed by the processor 1301 to implement the various steps of the above-mentioned signal sending method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a terminal, including a processor and a communication interface.
  • the communication interface is used to receive a first signal.
  • the first signal includes a first data field and a second data field.
  • the first data field is related to the first data field.
  • the second data domain is associated, and the data in the first data domain is a repetition of part of the data in the second data domain; or the communication interface is used to receive a second signal; according to the second signal
  • the relevant first information detects a third signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • 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 this terminal embodiment, and can achieve the same technical effect.
  • FIG. 14 is a schematic diagram of the hardware structure of a terminal according to an embodiment of the present application.
  • the terminal 1400 includes but is not limited to: a radio frequency unit 1401, a network module 1402, an audio output unit 1403, an input unit 1404, a sensor 1405, a display unit 1406, a user input unit 1407, an interface unit 1408, a memory 1409 and at least some of the components of the processor 1410.
  • the terminal 1400 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 1410 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 Figure 14 does not constitute a limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or may combine certain components, or arrange different components, which will not be described again here.
  • the input unit 1404 may include a graphics processing unit (Graphics Processing Unit, GPU) 14041 and a microphone 14042.
  • the GPU 14041 is used for recording data generated by an image capture device (such as a camera) in the video capture mode or the image capture mode. ) to process the image data of still pictures or videos obtained.
  • the display unit 1406 may include a display panel 14061, which may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like.
  • the user input unit 1407 includes a touch panel 14071 and at least one of other input devices 14072. Touch panel 14071, also known as touch screen.
  • the touch panel 14071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 14072 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 1401 after receiving downlink data from the network side device, the radio frequency unit 1401 can transmit it to the processor 1410 for processing; in addition, the radio frequency unit 1401 can send uplink data to the network side device.
  • the radio frequency unit 1401 includes, but is not limited to, an antenna, amplifier, transceiver, coupler, low noise amplifier, duplexer, etc.
  • Memory 1409 may be used to store software programs or instructions as well as various data.
  • the memory 1409 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 1409 may include volatile memory or nonvolatile memory, or memory 1409 may include volatile Both volatile and non-volatile memory.
  • the 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 1410 may include one or more processing units; optionally, the processor 1410 integrates an application processor and a modem processor, where the application processor mainly handles operations related to the operating system, user interface, application programs, etc., Modem processors mainly process wireless communication signals, such as baseband processors. It can be understood that the above modem processor may not be integrated into the processor 1410.
  • the radio frequency unit 1401 may be used to receive a first signal, the first signal includes a first data domain and a second data domain, the first data domain is associated with the second data domain, the first data The data in the domain is a repetition of part of the data in the second data domain; or, the communication interface is used to receive a second signal; detect a third signal according to the first information related to the second signal; wherein, The second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • the terminal receives a first signal
  • the first signal includes a first data field and a second data field
  • the first data field is associated with the second data field
  • the data of the first data field is the The repetition of part of the data in the second data field ensures the accuracy or correctness of the terminal's detection of the first signal.
  • the terminal receives a beacon signal or SSB and detects a low-power wake-up signal based on the first information related to the beacon signal or SSB.
  • the low-power wake-up signal does not include a preamble, it is guaranteed The accuracy or correctness of the terminal's detection of low-power wake-up signals.
  • the terminal 1400 provided in the embodiment of the present application can also implement the various processes of the above-mentioned signal detection method embodiment and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a network side device, including a processor and a communication interface.
  • the communication interface is used to send a first signal.
  • the first signal includes a first data domain and a second data domain.
  • the first data domain Associated with the second data domain, the data in the first data domain is a repetition of part of the data in the second data domain; or, the communication interface is used to send a second signal, and the second
  • the signal is used by the terminal to detect a third signal based on the first information related to the second signal; wherein the second signal is a beacon signal or SSB, and the third signal is a low-power wake-up signal.
  • This network-side device embodiment corresponds to the above-mentioned network-side device method embodiment.
  • Each implementation process and implementation manner of the above-mentioned method embodiment can be applied to this network-side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1500 It includes: antenna 151, radio frequency device 152, baseband device 153, processor 154 and memory 155.
  • the antenna 151 is connected to the radio frequency device 152 .
  • the radio frequency device 152 receives information through the antenna 151 and sends the received information to the baseband device 153 for processing.
  • the baseband device 153 processes the information to be sent and sends it to the radio frequency device 152.
  • the radio frequency device 152 processes the received information and then sends it out through the antenna 151.
  • the method performed by the network side device in the above embodiment can be implemented in the baseband device 153, which includes a baseband processor.
  • the baseband device 153 may include, for example, at least one baseband board on which multiple chips are disposed, as shown in FIG. Program to perform the network device operations shown in the above method embodiments.
  • the network side device may also include a network interface 156, which is, for example, a common public radio interface (CPRI).
  • a network interface 156 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1500 in the embodiment of the present application also includes: instructions or programs stored in the memory 155 and executable on the processor 154.
  • the processor 154 calls the instructions or programs in the memory 155 to execute Figure 11 or Figure 12
  • the execution methods of each module are shown and achieve the same technical effect. To avoid repetition, they will not be described in detail here.
  • 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 signal detection/transmission method embodiment is implemented, and can To achieve the same technical effect, to avoid repetition, we will not repeat them here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes computer readable storage media, such as computer read-only memory ROM, random access memory RAM, magnetic disk or optical disk, 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 signal detection/sending method.
  • Each process in the example can achieve the same technical effect. To avoid repetition, it will not be described again 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 above signal detection/transmission method.
  • Each process of the embodiment can achieve the same technical effect, so to avoid repetition, it will not be described again here.
  • Embodiments of the present application also provide a signal detection/transmission system, including: a terminal and a network side device.
  • the terminal can be used to perform the steps of the signal detection method as described above.
  • the network side device can be used to perform the steps of the signal detection method as described above. The steps of the signaling method.
  • 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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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
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Abstract

Les modes de réalisation de la présente demande se rapportent au domaine technique des communications. Sont divulgués un procédé de détection de signal, un procédé d'envoi de signal, et un terminal et un dispositif côté réseau. Le procédé de détection de signal dans les modes de réalisation de la présente demande comprend les étapes suivantes : un terminal reçoit un premier signal, le premier signal comprenant un premier domaine de données et un second domaine de données, dans lequel le premier domaine de données est associé au second domaine de données, et des données dans le premier domaine de données sont une duplication d'une partie de données dans le second domaine de données ; ou bien le terminal reçoit un deuxième signal ; et le terminal détecte un troisième signal d'après des premières informations relatives au deuxième signal, dans lequel le deuxième signal est un signal de balise ou un SSB, et le troisième signal est un signal de réveil de faible puissance.
PCT/CN2023/120259 2022-09-23 2023-09-21 Procédé de détection de signal, procédé d'envoi de signal, et terminal et dispositif côté réseau WO2024061302A1 (fr)

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CN202211170974.5 2022-09-23

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CN110831125A (zh) * 2018-08-10 2020-02-21 华为技术有限公司 发送和接收寻呼消息的方法以及通信装置
CN112243287A (zh) * 2019-07-19 2021-01-19 华为技术有限公司 一种唤醒信号wus检测方法及装置
CN114980283A (zh) * 2021-02-22 2022-08-30 维沃移动通信有限公司 状态的切换方法及装置、信标信号的发送及装置

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US20190289549A1 (en) * 2016-10-23 2019-09-19 Lg Electronics Inc. Method for transmitting and receiving wake-up signal in wireless lan system and apparatus therefor
CN110831125A (zh) * 2018-08-10 2020-02-21 华为技术有限公司 发送和接收寻呼消息的方法以及通信装置
CN112243287A (zh) * 2019-07-19 2021-01-19 华为技术有限公司 一种唤醒信号wus检测方法及装置
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