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WO2025130258A1 - Procédé et appareil de traitement du signal et support de stockage lisible - Google Patents

Procédé et appareil de traitement du signal et support de stockage lisible Download PDF

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Publication number
WO2025130258A1
WO2025130258A1 PCT/CN2024/123384 CN2024123384W WO2025130258A1 WO 2025130258 A1 WO2025130258 A1 WO 2025130258A1 CN 2024123384 W CN2024123384 W CN 2024123384W WO 2025130258 A1 WO2025130258 A1 WO 2025130258A1
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WO
WIPO (PCT)
Prior art keywords
sequence
information
signal
wake
bit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/123384
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English (en)
Chinese (zh)
Inventor
李瑶敏
王加庆
杨美英
刘苗苗
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Publication of WO2025130258A1 publication Critical patent/WO2025130258A1/fr
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is leader and terminal is follower
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present disclosure relates to the field of communication technology, and in particular to a signal processing method, device and readable storage medium.
  • LP-WUS low power wake-up signal
  • LP-WUR low power wake-up receiver
  • LP-WUR devices have RF or baseband low-power receivers based on On-Off Keying (OOK) signal reception, and also have OFDM low-power receivers based on Orthogonal Frequency Division Multiple (OFDM) signal reception.
  • OOK On-Off Keying
  • OFDM Orthogonal Frequency Division Multiple
  • the embodiments of the present disclosure provide a signal processing method, device, and readable storage medium to reduce signal resource overhead.
  • an embodiment of the present disclosure provides a signal processing method, applied to a terminal, including:
  • the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the different types of waveforms include:
  • ASK Amplitude Shift Key
  • FSK Frequency Shift Key
  • OFDM Orthogonal Frequency Division Multiple Access
  • receiving the first signal comprises:
  • the first signal is received according to the first information, wherein the first information includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to the number of resource elements (RE) or resource blocks (RB) occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, the number M of bits carried by a single OFDM symbol for the first signal or the second sequence, and one or more of the coding and modulation information of the second sequence
  • ceiling represents a rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • the position where the first sequence scrambles the second sequence is consistent with the bit information of the first sequence, the bit information of the second sequence, the wake-up terminal information carried by the second sequence, the wake-up terminal group information carried by the second sequence, and the wake-up indication information carried by the second sequence.
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of a generated sequence of the second sequence, and the bit information of the first sequence.
  • the position where the first sequence scrambles the second sequence comprises one or more of the following:
  • wake-up indication information wake-up terminal information, or wake-up terminal group information carried by the second sequence
  • at least one sequence position carrying the same wake-up indication information, the same wake-up terminal information, or the same wake-up terminal group as the first sequence and having an information bit of 1, or a time domain resource position and/or a frequency domain resource position mapped to the sequence having the information bit of 1;
  • At least one information bit is a sequence position of a1+b1 ⁇ j, or at least one information bit is a time domain resource position and/or a frequency domain resource position mapped to a sequence of a1+b1 ⁇ j;
  • the first sequence is generated based on an OFDM waveform and is used to carry a wake-up signal specific to the first type of receiver;
  • the first sequence is an orthogonal sequence or a random sequence
  • the second sequence is generated according to an ASK signal or an FSK signal; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is generated by coding and modulating a generated sequence; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is a generated sequence.
  • the method further comprises:
  • Acquiring the wake-up indication information according to the first signal includes:
  • one or more of the first sequence, the second sequence, the wake-up terminal information, and the wake-up terminal group information are related to one or more of the following information:
  • Cell ID Cell identifier
  • UE ID User Equipment Identifier
  • PO Paging Occasion
  • PF Paging Frame
  • subgroup index subgroup index
  • Terminal group identifier UE group ID
  • Area ID Area ID
  • an embodiment of the present disclosure provides a signal processing method, which is applied to a network device, including:
  • the first information is used to receive a first signal, the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the different types of waveforms include:
  • ASK waveform Any two of the ASK waveform, FSK waveform, and OFDM waveform.
  • the generation information of the first signal includes one or more of the following:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the length of the first sequence the length of the second sequence, the bandwidth of the first signal, the number of bits of a single OFDM symbol carrying the first signal or the second sequence, and the subcarrier spacing;
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of a generated sequence of the second sequence, and the bit information of the first sequence; or,
  • the different types of waveforms include:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the association relationship includes one or more of the following:
  • the position where the first sequence scrambles the second sequence is related to one or more of the bit information of the first sequence, the bit information of the second sequence, the wake-up terminal information carried by the second sequence, the wake-up terminal group information carried by the second sequence, and the wake-up indication information carried by the second sequence; and/or
  • the generation information of the first signal includes one or more of the following:
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first sequence the length of the second sequence, the bandwidth of the first signal, the number of bits of a single OFDM symbol carrying the first signal or the second sequence, and the subcarrier spacing;
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of a generated sequence of the second sequence, and the bit information of the first sequence; or,
  • the 1-bit first signal is mapped to P continuous or non-continuous REs or RBs, where P is related to one or more of the number of bits of the first signal or the second sequence carried by a single OFDM symbol, the number of points of the least squares LS or discrete Fourier transform DFT of the second sequence, the bandwidth of the first signal and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to one or more of the number of resource units RE or resource blocks RB occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, and the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • ceiling represents the rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • an embodiment of the present disclosure provides a signal processing device, applied to a terminal, including:
  • a first receiving unit configured to receive a first signal
  • the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • an embodiment of the present disclosure provides a signal processing device, applied to a server, comprising:
  • a first sending unit configured to send first information to a terminal
  • the first information is used to receive a first signal, the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • an embodiment of the present disclosure further provides a processor-readable storage medium, on which a computer program is stored.
  • a computer program is stored.
  • the steps in the signal processing method as described above are implemented.
  • the first signal includes a first sequence and a second sequence
  • the first sequence and the second sequence respectively correspond to different types of waveforms and are used to carry wake-up indication information of the same terminal or the same terminal group. Therefore, wake-up indication information of different waveforms can be carried by the first signal, which can reduce signal resource overhead.
  • FIG1 is a flow chart of a signal processing method provided by an embodiment of the present disclosure.
  • FIG2 is a second flowchart of the signal processing method provided by an embodiment of the present disclosure.
  • FIG3 is a schematic diagram of one of the methods for generating a first signal provided in an embodiment of the present disclosure
  • FIG4 is a second schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure
  • FIG5 is a third schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG6 is a fourth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG7 is a fifth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG8 is a sixth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG9 is a seventh schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG10 is an eighth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG11 is a ninth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure.
  • FIG12 is a tenth schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure
  • FIG13 is an eleventh schematic diagram of a method for generating a first signal provided in an embodiment of the present disclosure
  • FIG14 is a structural diagram of a signal processing device provided by an embodiment of the present disclosure.
  • FIG15 is a second structural diagram of a signal processing device provided in an embodiment of the present disclosure.
  • FIG. 17 is a fourth structural diagram of the signal processing device provided in an embodiment of the present disclosure.
  • plurality in the embodiments of the present disclosure refers to two or more than two, and other quantifiers are similar thereto.
  • the method and the device are based on the same application concept. Since the method and the device solve the problem in a similar principle, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • FIG. 1 is a flow chart of a signal processing method provided by an embodiment of the present disclosure, which is applied to a terminal, and includes the following steps as shown in FIG. 1 :
  • Step 101 Receive a first signal.
  • the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, wake-up terminal group information, and the first sequence and the second sequence correspond to different types of waveforms.
  • the first signal may include a second sequence and K (K is an integer and K ⁇ 1) first sequences.
  • different types of waveforms can have different forms according to different specific implementation scenarios.
  • the different types of waveforms include: any two of ASK waveform, FSK waveform, and OFDM waveform.
  • it can be an ASK waveform and an FSK waveform
  • it can be an ASK waveform and an OFDM waveform
  • it can be an FSK waveform and an OFDM waveform
  • the meanings included in the different types of waveforms can also be expanded according to the development of technology.
  • the first sequence is generated based on an OFDM waveform and is used to carry a wake-up signal dedicated to an OFDM receiver;
  • the second sequence is generated based on an ASK waveform or a FSK waveform Generated and used to carry a wake-up signal (eg, ASK signal, FSK signal) dedicated to a baseband or radio frequency receiver.
  • the first sequence is an orthogonal sequence or a random sequence, and the sequence is associated with at least one of Cell ID, UE ID, PO index, PF index, subgroup index, UE group ID, Area ID, and modulation mode.
  • the first sequence is generated based on a base sequence by cyclic shift.
  • the first sequence is generated based on a base sequence by cyclic shifting Y bits, and the value of Y is related to one or more of Cell ID, UE ID, PO index, PF index, subgroup index, UE (group) ID, and Area ID;
  • the base sequence can be a gold sequence, a ZC sequence, an m sequence, or one of other predefined sequences.
  • the first sequence is generated according to a third sequence.
  • the third sequence can be any one of a gold sequence, an m sequence, and a ZC sequence.
  • the initial value cinit of the third sequence is related to one or more of Cell ID, UE ID, PO index, PF index, subgroup index, UE (group) ID, Area ID, time domain resource location, frequency domain resource location information, and configuration information of a network device.
  • the second sequence is generated according to an ASK signal or an FSK signal, or the second sequence is generated by coding and modulating the generated sequence, or the second sequence is the generated sequence. For example, if the generated sequence does not perform any coding and modulation, the generated sequence can be used as the second generated sequence.
  • the terminal may determine the first information and receive the first signal according to the first information, wherein the first information is used to receive the first signal.
  • the first information may be predefined based on a protocol, or may be notified to the terminal by a network device based on at least one of radio resource control (RRC) signaling, system information block (SIB) signaling, downlink data/control signal indication/activation (or deactivation).
  • RRC radio resource control
  • SIB system information block
  • the first information includes one or more of the following:
  • the generation information of the first signal includes one or more of the following:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the waveform information of the second sequence such as OOK-1, OOK-4, OOK-2, etc.
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • the carrier spacing, the length of the first sequence, the number of bits M carried by a single OFDM symbol for the first signal or the second sequence, and one or more of the coded modulation information of the second sequence are related.
  • Ceiling represents the upward rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • the position where the first sequence scrambles the second sequence includes one or more of the following:
  • wake-up indication information wake-up terminal information, or wake-up terminal group information carried by the second sequence
  • at least one sequence position carrying the same wake-up indication information, the same wake-up terminal information, or the same wake-up terminal group as the first sequence and having an information bit of 1, or a time domain resource position and/or a frequency domain resource position mapped to the sequence having the information bit of 1;
  • At least one coded modulated information bit of the second sequence is a sequence of a2+b2 ⁇ j or the information bit is a time domain resource position and/or frequency domain resource position mapped to the sequence of a2+b2 ⁇ j;
  • association can be understood in multiple meanings. For example, it can be understood that there is a certain correspondence between multiple pieces of information, or that one of the information can be determined by other information.
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of the generated sequence of the second sequence, and the bit information of the first sequence.
  • the first signal is generated by one or more of the following methods:
  • a position where the bit information of at least one of the second sequences is 0 is mapped to T 0s, where T is related to one or more of the length of the first sequence, the bandwidth of the first signal, and the subcarrier spacing, and T is an integer greater than or equal to 1;
  • At least one position where the bit information of the second sequence is 1 is mapped to at least one first sequence
  • a1, b1, a2, b2 are arbitrary real numbers.
  • the time-frequency resource mapping information of the first signal includes a time-frequency resource mapping mode of the first signal, wherein the mapping mode includes:
  • the 1-bit first signal is mapped to P continuous or non-continuous REs or RBs, where P is related to one or more of the number of bits M of the first signal or the second sequence carried by a single OFDM symbol, the number of points of the LS or discrete Fourier transform DFT of the second sequence, the bandwidth of the first signal, and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • Phase/amplitude modulation methods Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), Least Square (LS), Discrete Fourier Transform (DFT), and other predefined modulation methods (for example, information 0 is modulated as a1+b1 ⁇ j; information 1 is modulated as a2+b2 ⁇ j).
  • BPSK Binary Phase Shift Keying
  • QPSK Quadrature Phase Shift Keying
  • LS Least Square
  • DFT Discrete Fourier Transform
  • a first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information.
  • the first sequence and the second sequence correspond to different types of waveforms. Therefore, wake-up indication information of different waveforms can be carried by the first signal, which can reduce signal resource overhead.
  • the terminal may further obtain the wake-up indication information according to the first signal. Specifically, the terminal may obtain the first sequence, and obtain the wake-up indication information carried by the first sequence and/or the wake-up indication information carried by the second sequence.
  • the terminal may determine the scrambled position of the first sequence in the second sequence, and obtain the first sequence according to the scrambled position.
  • the manner of determining the scrambled position may refer to the description of the foregoing embodiment.
  • the terminal may also acquire the first sequence by blind detection.
  • one or more of the first sequence, the second sequence, the wake-up terminal information, and the wake-up terminal group information are related to one or more of the following information:
  • Cell ID Cell ID, UE ID, PO index, PF index, subgroup index, terminal group ID, Area ID.
  • FIG. 2 is a flow chart of a signal processing method provided by an embodiment of the present disclosure, which is applied to The network device, as shown in FIG2 , includes the following steps:
  • Step 201 Send first information to a terminal.
  • the first information is used to receive a first signal
  • the first signal includes a first sequence and a second sequence
  • the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, wake-up terminal group information
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the different types of waveforms may have different forms according to different specific implementation scenarios.
  • the different types of waveforms include any two of an ASK waveform, an FSK waveform, and an OFDM waveform.
  • the meanings of the first information and the first signal may refer to the description of the aforementioned method embodiment.
  • the first signal includes a first sequence and a second sequence
  • the first sequence and the second sequence respectively correspond to different types of waveforms and are used to carry wake-up indication information of the same terminal or the same terminal group. Therefore, wake-up indication information of different waveforms can be carried by the first signal, which can reduce signal resource overhead.
  • the specific implementation process of the embodiments of the present disclosure is described below in combination with different embodiments.
  • the first signal is described by taking the LP-WUS signal as an example, and the network device is described by taking the base station as an example.
  • the two waveforms based on the wake-up signal jointly generated by the ASK/FSK waveform and the OFDM waveform, carry the same wake-up indication information based on the time-frequency resource location and/or signal generation information, and are used to wake up at least one LP-WUR.
  • the LP-WUS signal is generated by an OOK-1 signal and K (K ⁇ 1) OFDM symbols.
  • one LP-WUS can simultaneously instruct two subgroups to wake up or sleep.
  • the base station needs to wake up the two subgroups at the same time, generate a 2-bit OOK-1 [1 1] signal, and then use 1/2 rate Manchester encoding to obtain a 4-bit OOK-1 transmission sequence [0 1 0 1], generating a 7-bit OFDM sequence (which can also be Two different OFDM sequences are generated according to the subgroup index.
  • the LP-WUS signal is generated by:
  • the OOK-1 transmission sequence and the OFDM sequence jointly generate the WUS transmission sequence, and then undergo time-frequency resource mapping to obtain the final transmission signal, wherein the rules for the OOK-1 transmission sequence and the OFDM sequence to generate the WUS signal are one or more of the following:
  • a 28-bit LP-WUS transmission sequence can be obtained, which occupies 4 OFDM symbols after time-frequency resource mapping.
  • the OOK receiver determines the OOK-1 transmission bit sequence by detecting the energy of each OFDM symbol.
  • the OFDM receiver determines whether to wake up based on the position of the OFDM reception sequence. For example, the terminal of subgroup #0 wakes up when it receives the OFDM sequence on the second OFDM symbol, otherwise it sleeps. Similarly, the terminal of subgroup #1 wakes up when it receives the OFDM sequence on the fourth OFDM symbol, otherwise it sleeps.
  • the OFDM sequence is scrambled on a specific resource after OOK-1 time-frequency mapping.
  • the scrambling rule of the OFDM sequence is one or more of the following:
  • a joint LP-WUS signal with a time domain duration of 4 OFDM can be obtained.
  • the OOK receiver determines the transmitted bit sequence of OOK-1 by detecting the energy of each OFDM symbol.
  • the OFDM receiver determines whether to wake up based on the position of the OFDM received sequence. For example, the terminal of subgroup #0 wakes up when it receives the OFDM sequence on the second OFDM symbol, otherwise it sleeps. Similarly, the terminal of subgroup #1 wakes up when it receives the OFDM sequence on the fourth OFDM symbol, otherwise it sleeps.
  • a joint LP-WUS signal with a time domain duration of 4 OFDM can be obtained.
  • the OOK receiver determines the transmission bit sequence of OOK-1 by detecting the energy of each OFDM symbol.
  • the OFDM receiver determines whether to wake up based on the position of the OFDM received sequence. For example, the terminal of subgroup #0 wakes up when it receives the OFDM sequence on the second OFDM symbol, otherwise it sleeps. Similarly, the terminal of subgroup #1 continues to sleep if it does not receive the OFDM sequence on the fourth OFDM symbol.
  • ASK/FSK is the exclusive receiving signal of RF or baseband receiver.
  • ASK is based on the signal. Different modulation amplitudes carry different information, including OOK signals (modulation amplitude is only 0 and 1); FSK carries different information based on different carrier frequencies.
  • the LP-WUS signal is generated by an OOK-4 signal and K OFDM symbols.
  • the scrambling position of the OFDM signal in the LP-WUS is related to the bit information of the OOK transmission sequence (the sequence after coding and modulation), the generation sequence of the OOK signal (the sequence before coding and modulation), the OFDM signal bit information, and at least one of the information fields of the second sequence.
  • the specific scrambling position can be at least one of the following:
  • the generation sequence of the OOK signal wakes up the position of a sequence (or a mapped time-frequency resource) in which at least one information bit in the information field is 1;
  • the generation sequence of the OOK signal wakes up the position of the sequence (or mapped time-frequency resource) in the information domain that is the same as the information carried by the OFDM sequence and at least one information bit is 1 after DFT/LS transformation (if there is a truncation operation, then after truncation);
  • the OFDM sequence is mapped to a sequence (or mapped time-frequency resource) position in which at least one information bit associated with the OFDM sequence carrying the wake-up terminal group information index is 1 in the Preamble field of the OOK sequence;
  • the OFDM sequence is mapped in the Preamble domain of the OOK sequence, at a sequence position (or a mapped time-frequency resource) where at least one information bit associated with the OFDM sequence carrying the wake-up terminal group information index is a1+b1 ⁇ j;
  • the position where the transmission sequence bit information of at least one OOK signal is 1 is mapped into at least one OFDM sequence
  • the transmission sequence bit information of at least one OOK signal is mapped to at least one OFDM sequence at a1+b1 ⁇ j position;
  • the generated sequence bit information of at least one OOK signal is 1 (or after DFT/LS transformation, if there is a truncation operation, then after truncation) or the time domain resource position and/or frequency mapped by the sequence
  • the location of the domain resource location is mapped into at least one OFDM sequence
  • the generated sequence bit information of at least one OOK signal is a sequence of a1+b1 ⁇ j (or after DFT/LS transformation, if there is truncation operation, then after truncation) or the time domain resource position and/or frequency domain resource position mapped by the sequence is mapped to at least one (a1+b1 ⁇ j) ⁇ first sequence.
  • the LP-WUS occupies L REs (excluding the guard bandwidth) in the time domain.
  • the LP-WUS signal is generated by one OOK-2 signal and K OFDM signals.
  • LP-WUS occupies 7 REs in the frequency domain
  • a 2-bit OOK-2 signal is carried on an OFDM symbol
  • a 1-bit OOK-2 signal occupies 3 REs (the protection bandwidth between two bits is 1RE)
  • an LP-WUS can instruct two subgroups to wake up or sleep at the same time.
  • the base station needs to wake up the two subgroups at the same time, generate a 2-bit OOK-2 [1 1] signal, and obtain a 4-bit OOK-2 transmission sequence [0 1 0 1] after Manchester encoding with a 1/2 code rate, generating a 3-bit OFDM sequence (it is also possible to generate two different OFDM sequences according to the subgroup index).
  • a 12-bit WUS transmission sequence can be obtained. 6 bits are modulated on an OFDM signal to jointly generate LP-WUS signal information.
  • the LP-WUS signal occupies 2 OFDM symbols in total.
  • the OOK receiver determines the OOK-2 transmission bit sequence by detecting the energy of each 1/2 OFDM symbol.
  • the OFDM receiver determines whether to wake up based on the position of the OFDM reception sequence. For example, the terminal of subgroup#0 wakes up when it receives the OFDM sequence on the first OFDM symbol, otherwise it goes to sleep. Similarly, the terminal of subgroup#1 wakes up when it receives the OFDM sequence on the second OFDM symbol, otherwise it goes to sleep.
  • a joint LP-WUS signal with a time domain duration of 2 OFDM can be obtained.
  • the OOK receiver determines the transmission bit sequence of OOK-2 by detecting the energy of each 1/2 OFDM symbol.
  • the OFDM receiver determines whether to wake up based on the position of the OFDM reception sequence. For example, the terminal of subgroup #0 wakes up when it receives the OFDM sequence on the first OFDM symbol, otherwise it sleeps. Similarly, the terminal of subgroup #1 wakes up when it receives the OFDM sequence on the second OFDM symbol, otherwise it sleeps.
  • LP-WUS occupies 7 REs in the frequency domain
  • a 2-bit OOK-2 signal is carried on an OFDM symbol
  • a 1-bit OOK-2 signal occupies 3 REs (the protection bandwidth between two bits is 1RE)
  • an LP-WUS can simultaneously instruct two subgroups to wake up or sleep.
  • the base station only wakes up subgroup #0 but not subgroup #1, generates a 2-bit OOK-2 [1 0] signal, and obtains a 4-bit OOK-2 transmission sequence [0 1 1 0] after Manchester encoding with a code rate of 1/2, generating a length of 3-bit OFDM sequence.
  • the joint WUS generation method ( Figure 12 and Figure 13) is the same as the method one and method two described in the aforementioned first embodiment; the OOK receiver and OFDM receiver receive signal methods and determine whether to wake up the method are the same as the description of the aforementioned first embodiment.
  • the specific implementation process includes:
  • the base station sends the configuration information of the LP-WUS signal jointly generated based on the OOK signal and the OFDM signal (the aforementioned first configuration information) to at least one terminal for determining the reception information of the LP-WUS signal.
  • the base station sends the LP-WUS signal to wake up at least one LP-WUR according to the transmission requirements of the terminal.
  • the configuration information of the LP-WUS includes, in addition to the LP-WUS configuration information in the second embodiment, the number of OOK signal scrambled OFDM signals.
  • the number of OOK signal scrambled OFDM signals can be determined by at least one of protocol pre-definition, base station configuration, and base station dynamic determination based on the wake-up number of OFDM signal exclusive terminals (groups).
  • the configuration information of the LP-WUS signal may be notified to the terminal based on at least one of protocol pre-definition, RRC signaling, SIB X signaling, downlink data or downlink control signal indication or activation (or deactivation).
  • the terminal obtains configuration information of the LP-WUS signal, determines the receiving time-frequency resource position of the LP-WUS and/or the sequence information generated by the LP-WUS signal, wherein the LP-WUS signal is jointly generated by an OOK signal and an OFDM signal, and the generated information includes information of the OOK signal and information of the OFDM signal.
  • the generation sequence of the OOK signal and the sequence generation method of the OFDM signal can refer to the description of the second embodiment above.
  • the LP-WUS is composed of an OOK signal and at least one OFDM signal.
  • the generation information of the LP-WUS includes at least one of the length of the LP-WUS signal, the specific bit position of the OFDM signal scrambled with the OOK signal, the bit information transmitted by the LP-WUS, the time-frequency resource mapping relationship of the LP-WUS signal, and the number of the OOK signal scrambled with the OFDM signal:
  • the method for determining the signal length of LP-WUS may refer to the description of the aforementioned second embodiment.
  • the method for scrambling the position of the OFDM signal in LP-WUS may refer to the description of the second embodiment mentioned above.
  • the transmission bit information of the LP-WUS and the bit information of the OOK sequence, the generated sequence bit information of the OOK signal, and the bit information of at least one OFDM sequence scrambled by the OOK signal At least one of the following is relevant.
  • the LP-WUS generation rule is one or more of the following:
  • T is related to at least one of the length N2 of the OFDM sequence, the bandwidth of the LP-WUS signal, and the subcarrier spacing;
  • the position where the transmission sequence bit information of at least one OOK signal is 1 is mapped into at least one OFDM sequence
  • the transmission sequence bit information of at least one OOK signal is mapped to at least one OFDM sequence at a2+b2 ⁇ j position;
  • the transmission sequence bit information of at least one OOK signal is mapped to a position a2+b2 ⁇ j into an a2+b2 ⁇ j ⁇ OFDM sequence;
  • At least one OOK signal generation sequence bit information is 0 and is mapped to T 0s, where T is related to at least one of the length N 2 of the OFDM sequence, the bandwidth of the LP-WUS signal, and the subcarrier spacing;
  • the position where the bit information of the generated sequence of at least one OOK signal is 1 is mapped into at least one OFDM sequence
  • the generated sequence bit information of at least one OOK signal is mapped into at least one OFDM sequence at a2+b2 ⁇ j position;
  • LP-WUR determines the type of wake-up signal received exclusively by the device according to the device capability, and is used to receive the wake-up signal to obtain the wake-up indication information.
  • the capabilities of the LP-WUR device include: at least one of a radio frequency receiver based on OOK signal reception (the exclusive receiving signal is an OOK signal), a baseband receiver based on OOK signal reception (the exclusive receiving signal is an OOK signal), and an OFDM receiver (the exclusive receiving signal is an OFDM signal).
  • an LP-WUS signal can also be generated by combining an ASK signal and an FSK signal.
  • both the ASK signal and the FSK signal can be used to generate a first sequence, and then the corresponding other signal is used to generate a second sequence.
  • the method of generating the LP-WUS signal, the scrambling position of the first sequence, and the processing method of the terminal, etc. can all refer to the description of the aforementioned embodiment or according to the aforementioned embodiment. Obtained by adaptive deformation.
  • LP-WUS waveforms are designed according to the needs of OOK receivers and OFDM signal receiver types.
  • the method for generating LP-WUS signals based on the joint generation of OOK signals and OFDM signals can simultaneously carry OFDM receiver wake-up information and OOK receiver wake-up information, thereby reducing the resource overhead caused by the base station independently sending OOK signals and OFDM signals.
  • the wake-up terminal group information is determined based on the OFDM scrambled OOK signal resource position information, which can effectively reduce the number of OFDM sequences.
  • the applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc.
  • GSM global system of mobile communication
  • CDMA code division multiple access
  • WCDMA wideband code division multiple access
  • GPRS general packet radio service
  • LTE long term evolution
  • FDD LTE frequency division duplex
  • TDD LTE time division duplex
  • LTE-A long term evolution advanced
  • UMTS universal mobile telecommunication system
  • WiMAX worldwide interoperability for microwave access
  • NR new radio
  • EPS Evolved Packet System
  • 5GS 5G System
  • the terminal device involved in the embodiments of the present disclosure may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem.
  • the name of the terminal device may also be different.
  • the terminal device may be called a user equipment (UE).
  • UE user equipment
  • a wireless terminal device may communicate with one or more core networks (CN) via a radio access network (RAN).
  • CN core networks
  • RAN radio access network
  • the wireless terminal device may be a mobile terminal device, such as a mobile phone (or a "cellular" phone) and a computer with a mobile terminal device.
  • Wireless terminal equipment may also be referred to as system, subscriber unit, subscriber station, mobile station, mobile station, remote station, access point, remote terminal equipment, access terminal equipment, user terminal equipment, user agent, user device, which is not limited in the embodiments of the present disclosure.
  • the network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services to the terminal.
  • the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names.
  • the network device can be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, wherein the rest of the access network may include an Internet Protocol (IP) communication network.
  • IP Internet Protocol
  • the network device may also coordinate the attribute management of the air interface.
  • the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolved network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a Home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., but is not limited in the embodiments of the present disclosure.
  • network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be geographically separated.
  • Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission.
  • MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO).
  • MIMO transmission can be two-dimensional MIMO.
  • Antenna (2Dimission MIMO, 2D-MIMO), three-dimensional MIMO antenna (3Dimission MIMO, 3D-MIMO), full-dimensional MIMO antenna (Full Dimension, FD-MIMO) or massive MIMO antenna (massive-MIMO) it can also be diversity transmission or precoded transmission or beamforming transmission, etc.
  • the signal processing device is applied to a network device, and includes: a processor 1400 configured to read a program in a memory 1420 and execute the following process:
  • the first information is used to receive a first signal, the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the transceiver 1410 is configured to receive and send data under the control of the processor 1400 .
  • the bus architecture can include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1400 and various circuits of memory represented by memory 1420 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, regulators, and power management circuits together, which are all well known in the art, so they are not further described herein.
  • the bus interface provides an interface.
  • the transceiver 1410 can be a plurality of components, that is, including a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium.
  • the processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 can store data used by the processor 1400 when performing operations.
  • Processor 1400 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD).
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • CPLD complex programmable logic device
  • the processor can also adopt a multi-core architecture.
  • the processor 1400 is responsible for managing the bus architecture and general processing, and the memory 1420 can store data used by the processor 1400 when performing operations.
  • the different types of waveforms include:
  • ASK waveform Any two of the ASK waveform, FSK waveform, and OFDM waveform.
  • the first information includes one or more of the following:
  • the generation information of the first signal includes one or more of the following:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the length of the first sequence the length of the second sequence, the bandwidth of the first signal, the number of bits of a single OFDM symbol carrying the first signal or the second sequence, and the subcarrier spacing;
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of a generated sequence of the second sequence, and the bit information of the first sequence; or,
  • the time-frequency resource mapping information of the first signal includes a time-frequency resource mapping mode of the first signal, wherein the mapping mode includes:
  • the 1-bit first signal is mapped to P continuous or non-continuous REs or RBs, where P is related to one or more of the number of bits of the first signal or the second sequence carried by a single OFDM symbol, the number of points of the least squares LS or discrete Fourier transform DFT of the second sequence, the bandwidth of the first signal and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to one or more of the number of resource units RE or resource blocks RB occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, and the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • ceiling represents the rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • the signal processing device is applied to a terminal, and includes: a processor 1500 configured to read a program in a memory 1520 and execute the following process:
  • the first information is used to receive a first signal, the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the transceiver 1510 is configured to receive and send data under the control of the processor 1500 .
  • the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1500 and various circuits of memory represented by memory 1520 are linked together.
  • the bus architecture can also link various other circuits such as peripherals, regulators, and power management circuits together, which are all well known in the art and are therefore not further described herein.
  • the bus interface provides an interface.
  • the transceiver 1510 can be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium.
  • the user interface 1530 can also be an interface that can be connected to external or internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.
  • the processor 1500 is responsible for managing the bus architecture and general processing, and the memory 1520 can store data used by the processor 1500 when performing operations.
  • the processor calls the computer program stored in the memory to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions.
  • the processor and the memory can also be arranged physically separately.
  • the different types of waveforms include:
  • ASK waveform Any two of the ASK waveform, FSK waveform, and OFDM waveform.
  • the processor 1500 is further configured to read the program and execute the following steps:
  • the first signal is received according to the first information, wherein the first information includes one or more of the following:
  • the generation information of the first signal includes one or more of the following:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to the number of resource units RE or resource blocks RB occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, the number of bits of the first signal or the second sequence carried by a single OFDM symbol, and one or more of the coding and modulation information of the second sequence
  • ceiling represents the rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • the position where the first sequence scrambles the second sequence is related to one or more of the bit information of the first sequence, the bit information of the second sequence, the wake-up terminal information carried by the second sequence, the wake-up terminal group information carried by the second sequence, and the wake-up indication information carried by the second sequence; and/or
  • the transmission bit information of the first signal is related to one or more of the bit information of the second sequence, the bit information of a generated sequence of the second sequence, and the bit information of the first sequence.
  • the position where the first sequence scrambles the second sequence comprises one or more of the following:
  • At least one information bit is a sequence position of a1+b1 ⁇ j, or the at least one information bit is a time domain resource position and/or a frequency domain resource position mapped to a sequence of a1+b1 ⁇ j;
  • wake-up indication information wake-up terminal information, or wake-up terminal group information carried by the second sequence
  • at least one sequence position carrying the same wake-up indication information, the same wake-up terminal information, or the same wake-up terminal group as the first sequence and having information bits a1+b1 ⁇ j, or a time domain resource position and/or a frequency domain resource position mapped to a sequence having information bits a1+b1 ⁇ j;
  • At least one coded modulated information bit of the second sequence is a sequence position of a2+b2 ⁇ j, or the information bit is a time domain resource position and/or a frequency domain resource position mapped to the sequence of a2+b2 ⁇ j;
  • a1, b1, a2, b2 are arbitrary real numbers.
  • the first signal is generated by one or more of the following methods:
  • a position where the bit information of at least one of the second sequences is 0 is mapped to T 0s, where T is related to one or more of the length of the first sequence, the bandwidth of the first signal, and the subcarrier spacing, and T is an integer greater than or equal to 1;
  • At least one position where the bit information of the second sequence is 1 is mapped to at least one first sequence
  • At least one position of the bit information of the second sequence is a1+b1 ⁇ j or a2+b2 ⁇ j, which is mapped to the product of at least one a1+b1 ⁇ j and the first sequence or mapped to the product of at least one a2+b2 ⁇ j and the first sequence;
  • a1, b1, a2, b2 are arbitrary real numbers.
  • the time-frequency resource mapping information of the first signal includes a time-frequency resource mapping mode of the first signal, wherein the mapping mode includes:
  • the first signal of 1 bit is mapped to P consecutive or non-consecutive REs or RBs, where P is proportional to the number of bits of the first signal or the second sequence carried by a single OFDM symbol, the number of bits of the second sequence carried by a single OFDM symbol, and the number of bits of the second sequence carried by a single OFDM symbol. It is related to one or more of the number of least squares LS or discrete Fourier transform DFT points, the bandwidth of the first signal and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • the first sequence is generated based on an OFDM waveform and is used to carry a wake-up signal specific to the first type of receiver;
  • the second sequence is generated based on an ASK waveform or an FSK waveform and is used to carry a wake-up signal dedicated to the second type of receiver;
  • the first type of receiver includes an OFDM receiver
  • the second type of receiver includes a baseband frequency receiver or a radio frequency receiver.
  • the first sequence is an orthogonal sequence or a random sequence
  • the first sequence is an orthogonal sequence or a random sequence, and the first sequence is generated based on a base sequence through cyclic shift; or
  • the first sequence is an orthogonal sequence or a random sequence, and the first sequence is generated according to a third sequence;
  • the second sequence is generated according to an ASK signal or an FSK signal; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is generated by coding and modulating a generated sequence; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is a generated sequence.
  • the processor 1500 is further configured to read the program and execute the following steps:
  • one or more of the first sequence, the second sequence, the wake-up terminal information, and the wake-up terminal group information are related to one or more of the following information:
  • Cell ID Cell ID, UE ID, PO index, PF index, subgroup index, terminal group ID, Area ID.
  • the signal processing device of an embodiment of the present disclosure, applied to a terminal includes:
  • the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the different types of waveforms include:
  • ASK waveform Any two of the ASK waveform, FSK waveform, and OFDM waveform.
  • the apparatus may further include:
  • a first determining unit configured to determine first information
  • the first receiving unit is further configured to receive the first signal according to the first information, wherein the first information includes one or more of the following:
  • the generation information of the first signal includes one or more of the following:
  • the number of POs associated with the first signal is the number of POs associated with the first signal
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to the number of resource units RE or resource blocks RB occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, the number of bits of the first signal or the second sequence carried by a single OFDM symbol, and one or more of the coding and modulation information of the second sequence
  • ceiling represents the rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • the position where the first sequence scrambles the second sequence is related to one or more of the bit information of the first sequence, the bit information of the second sequence, the wake-up terminal information carried by the second sequence, the wake-up terminal group information carried by the second sequence, and the wake-up indication information carried by the second sequence; and/or
  • the transmission bit information of the first signal and the bit information of the second sequence, the second sequence The bit information of the generated sequence of the column and one or more of the bit information of the first sequence are related.
  • the position where the first sequence scrambles the second sequence comprises one or more of the following:
  • wake-up indication information wake-up terminal information, or wake-up terminal group information carried by the second sequence
  • at least one sequence position carrying the same wake-up indication information, the same wake-up terminal information, or the same wake-up terminal group as the first sequence and having an information bit of 1, or a time domain resource position and/or a frequency domain resource position mapped to the sequence having the information bit of 1;
  • At least one information bit is a sequence position of a1+b1 ⁇ j, or at least one information bit is a time domain resource position and/or a frequency domain resource position mapped to a sequence of a1+b1 ⁇ j;
  • At least one information bit is a sequence position of a1+b1 ⁇ j, or the at least one information bit is a time domain resource position and/or a frequency domain resource position mapped to a sequence of a1+b1 ⁇ j;
  • wake-up indication information wake-up terminal information, or wake-up terminal group information carried by the second sequence
  • at least one sequence position carrying the same wake-up indication information, the same wake-up terminal information, or the same wake-up terminal group as the first sequence and having information bits a1+b1 ⁇ j, or a time domain resource position and/or a frequency domain resource position mapped to a sequence having information bits a1+b1 ⁇ j;
  • a sequence position that is associated with or identical to the wake-up terminal index or the wake-up terminal group index carried by the first sequence and whose information bit is 1, or a time domain resource position and/or frequency domain resource position of a sequence mapping where the information bit is a1+b1 ⁇ j;
  • At least one coded modulated information bit of the second sequence is at a2+b2 ⁇ j sequence position, Or, the information bit is a time domain resource position and/or a frequency domain resource position mapped to a sequence of a2+b2 ⁇ j;
  • a1, b1, a2, b2 are arbitrary real numbers.
  • the first signal is generated by one or more of the following methods:
  • a position where the bit information of at least one of the second sequences is 0 is mapped to T 0s, where T is related to one or more of the length of the first sequence, the bandwidth of the first signal, and the subcarrier spacing, and T is an integer greater than or equal to 1;
  • At least one position where the bit information of the second sequence is 1 is mapped to at least one first sequence
  • At least one position of the bit information of the second sequence is a1+b1 ⁇ j or a2+b2 ⁇ j, which is mapped to the product of at least one a1+b1 ⁇ j and the first sequence or mapped to the product of at least one a2+b2 ⁇ j and the first sequence;
  • a1, b1, a2, b2 are arbitrary real numbers.
  • the time-frequency resource mapping information of the first signal includes a time-frequency resource mapping mode of the first signal, wherein the mapping mode includes:
  • the 1-bit first signal is mapped to P continuous or non-continuous REs or RBs, where P is related to one or more of the number of bits of the first signal or the second sequence carried by a single OFDM symbol, the number of points of the least squares LS or discrete Fourier transform DFT of the second sequence, the bandwidth of the first signal and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • the first sequence is generated based on an OFDM waveform and is used to carry a wake-up signal specific to the first type of receiver;
  • the second sequence is generated based on an ASK waveform or an FSK waveform and is used to carry a wake-up signal dedicated to the second type of receiver;
  • the first type of receiver includes an OFDM receiver
  • the second type of receiver includes a baseband frequency receiver or a radio frequency receiver.
  • the first sequence is an orthogonal sequence or a random sequence
  • the first sequence is an orthogonal sequence or a random sequence, and the first sequence is generated based on a base sequence through cyclic shift; or
  • the first sequence is an orthogonal sequence or a random sequence, and the first sequence is generated according to a third sequence;
  • the second sequence is generated according to an ASK signal or an FSK signal; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is generated by coding and modulating a generated sequence; or
  • the second sequence is generated according to an ASK signal or an FSK signal, and the second sequence is a generated sequence.
  • the apparatus may further include:
  • a first acquiring unit configured to acquire the wake-up indication information according to the first signal
  • the first obtaining unit is further configured to:
  • one or more of the first sequence, the second sequence, the wake-up terminal information, and the wake-up terminal group information are related to one or more of the following information:
  • Cell ID Cell ID, UE ID, PO index, PF index, subgroup index, terminal group ID, Area ID.
  • the signal processing device of an embodiment of the present disclosure is applied to a network device, including:
  • the first sending unit 1701 is configured to send first information to a terminal
  • the first information is used to receive a first signal, the first signal includes a first sequence and a second sequence, and the first sequence and the second sequence are used to carry at least one of the following information of the same terminal or the same terminal group: wake-up indication information, wake-up terminal information, and wake-up terminal group information;
  • the first sequence and the second sequence correspond to different types of waveforms.
  • the different types of waveforms include:
  • ASK waveform Any two of the ASK waveform, FSK waveform, and OFDM waveform.
  • the first information includes one or more of the following:
  • the generation information of the first signal includes one or more of the following:
  • the number of bits carried by a single OFDM symbol in the first signal or the second sequence is the number of bits carried by a single OFDM symbol in the first signal or the second sequence.
  • the length of the first signal is associated with one or more of the following:
  • the length of the first sequence the length of the second sequence, the bandwidth of the first signal, the number of bits of a single OFDM symbol carrying the first signal or the second sequence, and the subcarrier spacing;
  • the transmission bit information of the first signal and the bit information of the second sequence, the second sequence is related to one or more of the bit information of the generated sequence of the column and the bit information of the first sequence; or,
  • the time-frequency resource mapping information of the first signal includes a time-frequency resource mapping mode of the first signal, wherein the mapping mode includes:
  • the 1-bit first signal is mapped to P continuous or non-continuous REs or RBs, where P is related to one or more of the number of bits of the first signal or the second sequence carried by a single OFDM symbol, the number of points of the least squares LS or discrete Fourier transform DFT of the second sequence, the bandwidth of the first signal and the subcarrier spacing, and P is an integer greater than or equal to 1.
  • the association relationship includes one or more of the following:
  • L represents the signal bit length or time domain duration of the first signal
  • M represents the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • A, B, and C are related to one or more of the number of resource units RE or resource blocks RB occupied by the first signal in the frequency domain, the bandwidth of the first signal, the subcarrier spacing, the length of the first sequence, and the number of bits of the first signal or the second sequence carried by a single OFDM symbol
  • ceiling represents the rounding function
  • L1 represents the information bit length or the transmission bit length of the second sequence.
  • each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
  • the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium.
  • the technical solution of the present disclosure is essentially or the part that contributes to the relevant technology or all or part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure.
  • the aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.
  • the embodiment of the present disclosure further provides a communication device, including: a memory, a processor, and a program stored in the memory and executable on the processor, wherein the processor implements the steps in the signal processing method as described above when executing the program.
  • the embodiment of the present disclosure also provides a processor-readable storage medium, on which a program is stored.
  • a program is stored.
  • the various processes of the above-mentioned signal processing method embodiment are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the readable storage medium can be any available medium or data storage device that can be accessed by the processor, including but not limited to magnetic storage (such as floppy disk, hard disk, magnetic tape, magneto-optical (MO)), etc.), optical storage (such as laser disc (Compact Disk, CD), digital versatile disc (Digital Versatile Disc, DVD), Blu-ray Disc (Blu-ray Disc, BD), high-definition versatile disc (High-Definition Versatile Disc, HVD), etc.), and semiconductor memory (such as ROM, Erasable Programmable Read-Only Memory (Erasable Programmable Read-Only Memory, EPROM), Electrically Erasable Programmable Read Only Memory (Electrically Erasable Programmable read only memory, EEPROM), non-volatile memory (NAND FLASH), solid-state drive (Solid State Disk, SSD)), etc.
  • magnetic storage such as floppy disk, hard disk, magnetic tape, magneto-optical (MO)), etc.
  • optical storage such

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Abstract

La présente divulgation se rapporte au domaine technique des communications. Sont divulgués un procédé et un appareil de traitement de signal, ainsi qu'un support de stockage lisible, qui sont utilisés pour réduire des surdébits de ressources de signal. Le procédé consiste à : recevoir un premier signal, le premier signal comprenant une première séquence et une seconde séquence, la première séquence et la seconde séquence étant utilisées pour transporter au moins l'une des informations suivantes du même terminal ou du même groupe de terminaux : des informations d'indication de réveil, des informations de terminal de réveil et des informations de groupe de terminaux de réveil, et la première séquence et la seconde séquence correspondant à différents types de formes d'onde.
PCT/CN2024/123384 2023-12-20 2024-10-08 Procédé et appareil de traitement du signal et support de stockage lisible Pending WO2025130258A1 (fr)

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CN202311767892.3 2023-12-20

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019177294A1 (fr) * 2018-03-15 2019-09-19 엘지전자 주식회사 Procédé et dispositif de transmission d'un paquet de réveil dans un système lan sans fil
CN113366890A (zh) * 2019-03-29 2021-09-07 华为技术有限公司 一种唤醒信号发送方法及装置
CN116456432A (zh) * 2021-12-31 2023-07-18 华为技术有限公司 信息发送的方法和装置
CN118077234A (zh) * 2024-01-12 2024-05-24 北京小米移动软件有限公司 一种确定时刻信息的方法、装置、设备以及存储介质

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019177294A1 (fr) * 2018-03-15 2019-09-19 엘지전자 주식회사 Procédé et dispositif de transmission d'un paquet de réveil dans un système lan sans fil
CN113366890A (zh) * 2019-03-29 2021-09-07 华为技术有限公司 一种唤醒信号发送方法及装置
CN116456432A (zh) * 2021-12-31 2023-07-18 华为技术有限公司 信息发送的方法和装置
CN118077234A (zh) * 2024-01-12 2024-05-24 北京小米移动软件有限公司 一种确定时刻信息的方法、装置、设备以及存储介质

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