WO2024125506A1 - Procédé de détection de signal, procédé de transmission de signal, appareil, terminal et extrémité de transmission - Google Patents

Procédé de détection de signal, procédé de transmission de signal, appareil, terminal et extrémité de transmission Download PDF

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Publication number
WO2024125506A1
WO2024125506A1 PCT/CN2023/138144 CN2023138144W WO2024125506A1 WO 2024125506 A1 WO2024125506 A1 WO 2024125506A1 CN 2023138144 W CN2023138144 W CN 2023138144W WO 2024125506 A1 WO2024125506 A1 WO 2024125506A1
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indication
sequence
following
control signal
parameter
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PCT/CN2023/138144
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English (en)
Chinese (zh)
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吴凯
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维沃移动通信有限公司
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Publication of WO2024125506A1 publication Critical patent/WO2024125506A1/fr

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  • the present application belongs to the field of communication technology, and specifically relates to a signal detection, signal transmission method, device, terminal and transmitter.
  • Low power receiver namely low power wake-up receiver (LP-WUR).
  • the basic working principle of LP-WUR is that the receiving end includes a first module and a second module, as shown in Figure 1.
  • the first module is the main communication module, which is used for sending and receiving mobile communication data
  • the second module is a low power receiving module (also called a low power wake-up receiving module), which is used to receive the above wake-up signal.
  • the terminal turns on the low power receiving module to monitor the low power wake-up signal (LP-WUS) and turns off the main communication module.
  • LP-WUS low power wake-up signal
  • the network will send a wake-up signal to the terminal.
  • the terminal After the terminal monitors the wake-up signal through the low power receiving module, it triggers the main communication module from off to on after a series of judgments, and at this time the low power receiving module enters the off state from the working state.
  • the low power wake-up receiving module can be turned on continuously or intermittently, and can receive the low power wake-up signal when it is turned on.
  • LP-WUS has low power consumption characteristics, which significantly reduces the power consumption level of terminal reception.
  • the coverage is poor; the network side can increase the wake-up signal (WUS) overhead to improve coverage, but always using a large overhead for WUS transmission will also reduce the flexibility of network resource scheduling.
  • WUS wake-up signal
  • the embodiments of the present application provide a signal detection and signal transmission method, device, terminal and transmitter to enhance the flexibility of network resource scheduling.
  • a signal detection method comprising:
  • the terminal detects control signals of at least two formats
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the third parameter of the control information carried by the control signal comprising at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a signal detection device which is applied to a terminal and includes:
  • a detection module used for detecting control signals in at least two formats
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a signal transmission method comprising:
  • the transmitting end selects a target format from control signals of at least two formats
  • the transmitting end sends a control signal corresponding to the target format to the terminal according to the target format
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the third parameter of the control information carried by the control signal comprising at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a signal transmission device which is applied to a transmitting end and includes:
  • a selection module used for selecting a target format from control signals in at least two formats
  • a sending module configured to send a control signal corresponding to the target format to the terminal according to the target format
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a terminal comprising a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a terminal comprising a processor and a communication interface, wherein the processor is used to detect control signals in at least two formats;
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a transmitting end comprising a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the third aspect are implemented.
  • a transmitting end comprising a processor and a communication interface, wherein the processor is used to select a target format from control signals in at least two formats; and the communication interface is used to send a control signal corresponding to the target format to a terminal according to the target format;
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • a signal transmission detection system comprising: a terminal and a transmitting end, wherein the terminal can be used to execute the steps of the method described in the first aspect, and the transmitting end can be used to execute the steps of the method described in the third aspect.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the method described in the first aspect or the third aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the steps of the method described in the first aspect or the third aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium and is executed by at least one processor to implement the steps of the method described in the first aspect or the third aspect.
  • the flexibility of network resource scheduling can be improved while ensuring that the signal coverage range is not affected.
  • Figure 1 is a schematic diagram of the working principle of NR LP-WUR/WUS
  • FIG2 is a block diagram of a wireless communication system to which an embodiment of the present application can be applied;
  • FIG3 is a schematic diagram of On-Off-Keying signal distribution
  • FIG4 is a schematic diagram of a flow chart of a signal detection method according to an embodiment of the present application.
  • FIG5 is a schematic diagram of a control signal format
  • FIG6 is a second schematic diagram of the format of the control signal
  • FIG7 is a third schematic diagram of the format of the control signal
  • FIG8 is a schematic diagram of transmission of control signals in different formats
  • FIG9 is a second schematic diagram of transmission of control signals in different formats
  • FIG10 is a schematic flow chart of a signal transmission method according to an embodiment of the present application.
  • FIG11 is a schematic diagram of a module of a signal detection device according to an embodiment of the present application.
  • FIG12 is a schematic diagram of the structure of a terminal according to an embodiment of the present application.
  • FIG13 is a schematic diagram of a module of a signal transmission device according to an embodiment of the present application.
  • FIG14 is a schematic diagram of the structure of a transmitting end according to an embodiment of the present application.
  • FIG15 is a schematic diagram of the structure of a communication device according to an embodiment of the present application.
  • first, second, etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by “first” and “second” are generally of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims represents at least one of the connected objects, and the character “/" generally represents that the objects associated with each other are in an "or” relationship.
  • LTE 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
  • 6G 6th Generation
  • FIG2 shows a block diagram of a wireless communication system applicable to the embodiment of the present application.
  • 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 (PDA), a handheld computer, a netbook, an ultra-mobile personal computer (UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (AR)/virtual reality (VR) device, a robot, a wearable device (Wearable Device), a vehicle user equipment (VUE), a pedestrian terminal (Pedestrian User Equipment, PUE), a smart home (a home appliance with wireless communication function, such as a refrigerator, a television, a washing machine or furniture, etc.), a game console, a personal computer (personal computer, PC), a teller machine or a self-service machine, a sensing service terminal, various sensors, a smart camera and other
  • the network side device 12 may include an access network device or a core network device, wherein the access network device may also be referred to as a wireless access network device, a wireless access network (Radio Access Network, RAN), a wireless access network function or a wireless access network unit.
  • the access network device may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) access point or a wireless network communication technology (Wireless Fidelity, WiFi) node, etc.
  • the base station may be referred to as a node B, an evolved node B (Evolved Node B, eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home B node, a home evolved B node, a transmitting and receiving point (Transmitting Receiving Point, TRP), a perception signal sending device, a perception information receiving device or some other suitable term in the field.
  • the base station is not limited to a specific technical vocabulary and needs to be used.
  • the core network equipment may include but is not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home user server (Home Subscriber Server, HSS), centralized network configuration (CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF
  • the RF (Radio Frequency, RF) and baseband (MODEM) modules are truly turned off, thereby greatly reducing the power consumption of communication reception.
  • This near "zero" power receiver does not require complex RF module signal detection (such as amplification, filtering, quantization, etc.) and modem (MODEM) signal processing, but only relies on passive matching filtering and signal processing with low power consumption.
  • the near-zero power receiver can be activated to receive the activation notification, thereby triggering a series of processes inside the terminal, such as turning on the RF transceiver and baseband processing modules.
  • This wake-up signal is usually some simple on-off keying signals.
  • the time domain pattern of the on-off keying signal is shown in Figure 3.
  • the receiver can obtain the wake-up notification through simple energy detection and subsequent possible sequence detection and recognition.
  • the main receiver module can maintain a The device operates at a lower power consumption level, thereby achieving power saving by receiving a wake-up signal.
  • the embodiment of the present application provides a signal detection method, including:
  • Step 401 the terminal detects control signals in at least two formats
  • control signal may also be referred to as a control channel, that is, the control signal is mainly used to carry control information.
  • the control signal is a LP-WUS.
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • A11 a second parameter of the sequence carried by the control signal
  • the sequence can be understood as a bit different from the control information; the sequence can be used for synchronization or information indication; optionally, the sequence used for synchronization can be regarded as a preamble sequence (or simply referred to as preamble).
  • the number of bits occupied by the preamble sequence is small, and it does not carry indication information, or the sequence used for information indication can indicate limited information, thereby reducing the overhead of the control signal.
  • the second parameter includes at least one of the following:
  • the sequence element can be understood as the specific content of the sequence, that is, the bit values constituting the sequence.
  • the sequence length can be understood as the number of bits occupied by the sequence.
  • the number of sequences can be understood as the number of different sequences, that is, how many sequences are included in the control signal.
  • chip rate can be understood as the number of on-off keying (OOK) or amplitude shift keying (ASK) levels transmitted per unit time.
  • control information is usually located in After the sequence.
  • the third parameter includes at least one of the following:
  • the number of bits may be understood as the length of the control information, and the number of bits may also be understood as the number of bits occupied by the control information.
  • the coding rate is used to indicate the proportion of useful information in the data stream after the information is encoded.
  • the encoding method may include at least one of the following:
  • PIE pulse interval encoding
  • This parameter is used to indicate whether there is bit duplication in the control information.
  • possible structures of the control signal include: a sequence (such as a preamble), control information, or a structure combining a sequence (such as a preamble) and control information.
  • control signals usually have the following characteristics, for example, the control signal is modulated using OOK or ASK, or further uses Manchester coding, PIE, FM0 coding, Miller coding, Walsh coding and other simple coding methods to form a combination of signal amplitudes. That is, information is transmitted using amplitude information or a combination of amplitude information, and the terminal only needs to demodulate the control information by judging the amplitude information or the combination of amplitude information.
  • an indication information sequence may be further transmitted after the sequence (eg preamble), or an uncoded or coded indication information sequence may be transmitted; the structure of the format of the control signal suitable for a low-power receiver is shown in FIG. 5 to FIG. 7 .
  • One way is to indicate the format of the control signal through a sequence (such as a preamble). After detecting a specific sequence (such as a preamble), the terminal detects the parameter configuration associated with the sequence (such as a preamble) to perform subsequent transmission information detection and detect the control information carried in the control signal.
  • a sequence such as a preamble
  • the terminal After detecting a specific sequence (such as a preamble), the terminal detects the parameter configuration associated with the sequence (such as a preamble) to perform subsequent transmission information detection and detect the control information carried in the control signal.
  • preamble is usually used for synchronization, and too much indication information may reduce synchronization accuracy or increase the probability of false alarm.
  • the transmitting end indicates different information through different indication information sequences.
  • the receiving end determines the content indicated in the channel according to different indication information sequences. Then the terminal needs to perform blind detection in multiple sequences to determine the content indicated by the control command.
  • the indication information sequence may include a preamble sequence, which is used for synchronization. After synchronization is completed, the terminal determines the content of the indication information based on the indication information sequence. In this case, compared with indicating through the preamble sequence, more different formats can be indicated.
  • the terminal detects control signals in at least two formats, including:
  • the terminal detects the control signal of the i-th format
  • the terminal detects the control signal of the i+1-th format
  • i is an integer greater than or equal to 1, and i is less than or equal to M-1, and M is the maximum number of formats of the terminal detection control signal.
  • the terminal fails to detect the control signal of the i-th format, which may be because the sequence in the control signal of the i-th format is not detected, or because the CRC check of the control information fails.
  • This situation can be understood as the terminal detecting control signals of at most M formats.
  • the transmitter can send control signals of M formats, the transmitter can only select one format from the M formats to send the control signal at a time.
  • the terminal does not know which format of the control signal the transmitter has sent and can only perform blind detection of the control signal.
  • the terminal detects a control signal of one format, the terminal stops detecting. If the terminal does not detect the control signal of the previous format, it continues to detect the control signal of the next format.
  • the sending end may be a network side device, other terminal, or a repeater. (repeater), relay device (Relay), transmission and reception point (Transmission and Reception Point, TRP).
  • relay device relay device
  • TRP Transmission and Reception Point
  • the duration of the control signals of different formats is determined by protocol agreement or network-side device configuration.
  • the modulation mode of the control signal includes at least one of the following:
  • the encoding method of the control signal is consistent with the encoding method of the control information carried in the control signal, and the encoding method of the control signal includes at least one of the above-mentioned A1231-A1235.
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • the time unit is based on the granularity of OFDM symbols.
  • the time unit is based on the granularity of slot.
  • the time unit is in milliseconds.
  • the starting time of control signals of different formats is the same; it can be understood that no matter which format of the control signal is sent by the transmitting end, control signals of all formats are sent from the same time.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of the time unit; that is, the generation of the signal sequence is related to the time unit number.
  • the terminal performs format detection of at least two control signals within a first time window
  • the first time window is agreed upon in the protocol or configured on the network side.
  • the first time window can be understood as a detection window of the control signal.
  • the terminal detects control signals in at least two formats, including:
  • the terminal detects the first sequence, it detects a control signal within a time duration corresponding to the first sequence.
  • control signal including a sequence and a payload; the terminal first detects the sequence, and if a relevant sequence is detected, further detects the payload corresponding to the sequence.
  • control information carried by the control signal includes at least one of the following:
  • C102 Indication of whether to initiate the Random Access Channel (RACH) process
  • TRS Tracking Reference Signal
  • the update indication is used to indicate the subgroup identifier (such as subgroup ID) and the paging cycle update of the terminal.
  • the paging types include: core network paging or radio access network paging;
  • PDCCH Physical Downlink Control Channel
  • the monitoring parameter includes at least one of the following:
  • the switching indication is used to indicate at least one of the following:
  • the signal source indication is used to indicate at least one of the following:
  • control signals of different formats may be different, that is, they may be composed of different parts.
  • Different channel formats may also differ in the following parameters:
  • a second parameter of the preamble sequence including at least one of a specific sequence element, a sequence length, and a chip rate of the sequence.
  • Sequence 1 corresponds to format 1
  • sequence 2 corresponds to format 2, and so on;
  • Sequence length 1 corresponds to format 1
  • sequence length 2 corresponds to format 2, ...;
  • a third parameter of the carried control information including at least one of the following:
  • control information is transmitted in an encoded manner.
  • sequence parameters including: at least one of a sequence element, a sequence length and a chip rate of the sequence.
  • this parameter is applicable to the case where the control information is transmitted in the form of a bit sequence.
  • the parameter of the control signal of the part carrying the information bit may be a combination of at least one of the following formats:
  • a) Format A uses: coding mode A, coding rate A, repetition mode A, CRC polynomial A, CRC length A, CRC scrambling sequence A, chip rate A;
  • Format B uses: coding mode B, coding rate B, repetition mode B, CRC polynomial B, CRC length B, CRC scrambling sequence B, and chip rate B;
  • c) Format C uses: sequence C, sequence length C, and sequence chip rate C;
  • d) Format D uses: sequence D, sequence length D, and sequence chip rate D.
  • different formats correspond to different structures and/or parameters (eg, length) of the control signal, and the durations of control signals of different formats may be different.
  • the terminal detects the sequence according to different parameters (blind detection), determines the format of the control signal according to the detected sequence, and also determines the parameters of other parts (which may include other sequences or payload parts). And perform detection according to the corresponding parameters.
  • different formats correspond to the same preamble sequence (or sequence set), and the difference between the different formats lies in the format of the part carrying control information.
  • the terminal needs to use different formats to perform blind detection on the part carrying control information.
  • a possible multi-format form is:
  • the terminal first detects format 1. If format 1 is detected, it can stop detecting other formats; if format 1 is not detected, it continues to receive the second slot and detects format 2; if format 2 is not detected, it continues to receive the third slot and detects format 3.
  • the three control signals in different formats may be detected in a time window, and the start time and length of the time window may be agreed upon by the protocol (ie, predefined) or configured by the network side device.
  • control signal including the preamble sequence As an example, the specific detection method and process are shown in FIG8 .
  • a certain format is not detected, it may be that a sequence in the format is not detected, or a CRC check of the control information fails.
  • a signal sequence can be transmitted at the starting position of each time unit.
  • each slot is a time unit.
  • the signal sequence is transmitted starting from the starting position of the second slot; for format 3, the signal sequence is transmitted starting from the third slot.
  • the other parts are used to transmit bits of control information.
  • the bits of the control information can be encoded bits.
  • the signal sequences in each slot can be the same or different. If the terminal detects the signal sequence in the second slot, it determines that the received signal format is not format 1, and then performs a detection of format 2. Further, if the terminal detects the signal sequence in slot 3, it determines that the received signal format is not format 1 and format 2, but format 3. The introduction of these signal sequences allows the terminal to obtain more information about the control signal format.
  • the format of the control signal is associated with the number of time resources occupied.
  • the different receiving lengths are detected using the corresponding format.
  • the CRC is scrambled using a predefined or configured scrambling sequence, for example, ⁇ 0,0,...0>, ⁇ 0,0,...,1> are used to indicate control commands of different formats.
  • the CRC generating polynomial for the control command of format 1 is x 15 + x 11 + x 10 + x 7 + x 4 + x 2 + x+1;
  • the CRC generating polynomial for the control command of format 2 is x 15 + x 13 + x 9 + x 8 + x 6 + x 3 + x+1;
  • the length of these two CRCs is 16 bits.
  • Different formats may also correspond to CRCs of different lengths.
  • the CRC generating polynomial for the control command of format 1 is x 15 + x 11 + x 10 + x 7 + x 4 + x 2 + x+1;
  • the CRC generating polynomial for the control command of format 2 is x 7 + x 6 + x 3 + x+1; the latter is a CRC with a length of 8 bits.
  • the terminal blindly detects different control signal formats, so that the transmitter can flexibly select different formats to send control signals, and can better choose between resource overhead and coverage.
  • an embodiment of the present application provides a signal transmission method, including:
  • Step 1001 the transmitting end selects a target format from control signals of at least two formats
  • Step 1002 the transmitting end sends a control signal corresponding to the target format to the terminal according to the target format;
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the third parameter of the control information carried by the control signal comprising at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the sending end can be a network side device, other terminals, repeaters, relays, or TRPs.
  • the method further includes:
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitoring search space, The search space group to monitor;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • the signal detection method provided in the embodiment of the present application may be executed by a signal detection device.
  • the signal detection device provided in the embodiment of the present application is described by taking the signal detection method executed by the signal detection device as an example.
  • a signal detection device 1100 As shown in FIG. 11 , a signal detection device 1100 according to an embodiment of the present application, applied to a terminal, includes:
  • a detection module 1101 detects control signals in at least two formats
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the detection module 1101 includes:
  • a first detection unit used for detecting a control signal of an i-th format
  • a second detection unit configured to detect a control signal of an (i+1)th format if the control signal of the i-th format is not detected
  • i is an integer greater than or equal to 1, and i is less than or equal to M-1, and M is the terminal detection control
  • M is the terminal detection control
  • the duration of the control signals of different formats is determined by protocol agreement or network-side device configuration.
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • the detection module is used to:
  • the first time window is agreed upon in the protocol or configured on the network side.
  • the detection module is used to:
  • a control signal within a time duration corresponding to the first sequence is detected.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitored search space, and a monitored search space group;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • the device embodiment corresponds to the above method, and all implementation methods in the above method embodiment are applicable to the device embodiment and can achieve the same technical effect.
  • 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.
  • the signal detection device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 4 and achieve the same technical effect. To avoid repetition, it will not be described here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, wherein the processor is used to for detecting control signals of at least two formats;
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the third parameter of the control information carried by the control signal comprising at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the processor is configured to:
  • control signal of the i-th format is not detected, the control signal of the (i+1)-th format is detected;
  • i is an integer greater than or equal to 1, and i is less than or equal to M-1, and M is the maximum number of formats of the terminal detection control signal.
  • the duration of the control signals of different formats is determined by protocol agreement or network-side device configuration.
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • the processor is configured to:
  • the first time window is agreed upon in the protocol or configured on the network side.
  • the processor is configured to:
  • a control signal within a time duration corresponding to the first sequence is detected.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitored search space, and a monitored search space group;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • the terminal embodiment corresponds to the above-mentioned terminal side method embodiment, and each implementation process and implementation mode of the above-mentioned method embodiment can be applied to the terminal embodiment and can achieve the same technical effect.
  • Figure 12 is a schematic diagram of the hardware structure of a terminal implementing the embodiment of the present application.
  • the terminal 1200 includes but is not limited to: a radio frequency unit 1201, a network module 1202, an audio output unit 1203, an input unit 1204, a sensor 1205, a display unit 1206, a user input unit 1207, an interface unit 1208, a memory 1209 and at least some of the components of the processor 1210.
  • the terminal 1200 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 1210 through a power management system, so as to implement functions such as managing charging, discharging, and power consumption management through the power management system.
  • a power source such as a battery
  • the terminal structure shown in FIG12 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the input unit 1204 may include a graphics processing unit (GPU) 12041 and a microphone 12042, and the graphics processor 12041 processes the image data of the static picture or video obtained by the image capture device (such as a camera) in the video capture mode or the image capture mode.
  • the display unit 1206 may include a display panel 12061, and the display panel 12061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 1207 includes a touch panel 12071 and at least one of other input devices 12072.
  • the touch panel 12071 is also called a touch screen.
  • the touch panel 12071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 12072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.
  • the radio frequency unit 1201 after receiving downlink data from the access network device, can transmit the data to the processor 1210 for processing; in addition, the radio frequency unit 1201 can send uplink data to the network side device.
  • the radio frequency unit 1201 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 1209 can be used to store software programs or instructions and various data.
  • the memory 1209 can mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area is used to store the first program or instruction.
  • a storage area may store an operating system, an application program or instructions required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 1209 may include a volatile memory or a non-volatile memory, or the memory 1209 may include both volatile and non-volatile memories.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • the memory 1209 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.
  • the processor 1210 may include one or more processing units; optionally, the processor 1210 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1210.
  • the processor 1210 is configured to:
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the third parameter of the control information carried by the control signal comprising at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the processor 1210 is configured to:
  • control signal of the i-th format is not detected, the control signal of the (i+1)-th format is detected;
  • i is an integer greater than or equal to 1, and i is less than or equal to M-1, and M is the maximum number of formats of the terminal detection control signal.
  • the duration of the control signals of different formats is determined by protocol agreement or network-side device configuration.
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • the processor 1210 is configured to:
  • the first time window is agreed upon in the protocol or configured on the network side.
  • the processor 1210 is configured to:
  • a control signal within a time duration corresponding to the first sequence is detected.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitored search space, and a monitored search space group;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • an embodiment of the present application also provides a terminal, including a processor, a memory, and a program or instruction stored in the memory and executable on the processor.
  • a terminal including a processor, a memory, and a program or instruction stored in the memory and executable on the processor.
  • the program or instruction is executed by the processor, the various processes of the above-mentioned signal detection method embodiment are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the present application also provides a computer-readable storage medium on which a program or instruction is stored.
  • a program or instruction is stored on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the above-mentioned signal detection method embodiment is implemented.
  • the various processes can achieve the same technical effect, and to avoid repetition, they will not be described here.
  • the computer-readable storage medium includes a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
  • the embodiment of the present application further provides a signal transmission device 1300, which is applied to a transmitting end and includes:
  • a selection module 1301, configured to select a target format from control signals in at least two formats
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the device further includes:
  • the second sending module is used to send the duration lengths of at least two formats of control signals to the terminal.
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitored search space, and a monitored search space group;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • the device embodiment is a device corresponding to the above method, and the above method is implemented All implementation methods in the example are applicable to the embodiment of the device and can achieve the same technical effect, so they will not be repeated here.
  • the embodiment of the present application further provides a transmitting end, comprising a processor and a communication interface, wherein the processor is used to select a target format from control signals in at least two formats; the communication interface is used to send a control signal corresponding to the target format to a terminal according to the target format;
  • the first parameters of the control signals of the at least two formats are different, and the first parameters include at least one of the following:
  • a second parameter of the sequence carried by the control signal comprising at least one of the following: a sequence element, a sequence length, a number of sequences, and a chip rate of the sequence;
  • the control signal carries a third parameter of the control information, wherein the third parameter includes at least one of the following: number of bits, coding rate, coding mode, indication of repetition, cyclic redundancy check CRC length, CRC polynomial and CRC scrambling sequence.
  • the communication interface is further used for:
  • the length of the duration of sending control signals of at least two formats to the terminal is the length of the duration of sending control signals of at least two formats to the terminal.
  • the modulation mode of the control signal includes at least one of the following:
  • On-off keying OOK On-off keying OOK, amplitude shift keying ASK, frequency shift keying FSK;
  • the encoding method of the control signal includes at least one of the following:
  • the duration of the control signal of different formats is X time units, where X is an integer greater than or equal to 1;
  • the time unit includes at least one of the following:
  • At least one orthogonal frequency division multiplexing (OFDM) symbol At least one orthogonal frequency division multiplexing (OFDM) symbol
  • start times of control signals in different formats are the same.
  • sequences sent at the starting position of each time unit in the duration of the control signal are the same or different.
  • the sequence is used to indicate the number of time units.
  • control information carried by the control signal includes at least one of the following:
  • the paging type includes: core network paging or radio access network paging;
  • a switching indication of a monitoring parameter of a physical downlink control channel PDCCH wherein the monitoring parameter includes at least one of the following: whether to monitor PDCCH, a PDCCH monitoring period, a monitored search space, and a monitored search space group;
  • a switching indication of a discontinuous reception DRX parameter the switching indication being used to indicate at least one of the following: whether to start an associated DRX duration timer, update a DRX duration start position, update a DRX cycle, update a DRX duration length, and a DRX inactivity timer length;
  • the signal source indication is used to indicate at least one of the following: a cell identifier, a sending/receiving point identifier, whether the signal is from a terminal, a terminal identifier, whether the signal is from a relay, and a relay identifier.
  • an embodiment of the present application also provides a transmitting end, including a processor, a memory, and a program or instruction stored in the memory and executable on the processor.
  • a transmitting end including a processor, a memory, and a program or instruction stored in the memory and executable on the processor.
  • the program or instruction is executed by the processor, each process of the above-mentioned signal transmission method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, it will not be described here.
  • the present application embodiment also provides a transmitting end.
  • the transmitting end 1400 includes: an antenna 1401, a radio frequency device 1402, a baseband device 1403, a processor 1404, and a memory 1405.
  • the antenna 1401 is connected to the radio frequency device 1402.
  • the radio frequency device 1402 receives information through the antenna 1401 and sends the received information to the baseband device 1403 for processing.
  • the baseband device 1403 processes the information to be sent and sends it to the radio frequency device 1402.
  • the radio frequency device 1402 processes the received information and sends it out through the antenna 1401.
  • the method executed by the access network device in the above embodiment may be implemented in the baseband device 1403, which includes a baseband processor.
  • the baseband device 1403 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 14, one of which is, for example, a baseband processor, which is connected to the memory 1405 through a bus interface to call the program in the memory 1405 and execute the network device operations shown in the above method embodiment.
  • the access network device may also include a network interface 1406, which is, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the sending end 1400 of the embodiment of the present application also includes: instructions or programs stored in the memory 1405 and executable on the processor 1404.
  • the processor 1404 calls the instructions or programs in the memory 1405 to execute the methods executed by the modules shown in Figure 13 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored.
  • a program or instruction is stored.
  • the various processes of the above-mentioned signal transmission method embodiment are implemented and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the processor is the processor in the access network device described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • the embodiment of the present application further provides a communication device 1500, including a processor 1501 and a memory 1502, the memory 1502 stores a program or instruction that can be run on the processor 1501, for example, when the communication device 1500 is a terminal, the program or instruction is executed by the processor 1501 to implement the various steps of the above-mentioned information acquisition method embodiment, and can achieve the same technical effect.
  • the communication device 1500 is a transmitting end, the program or instruction is executed by the processor 1501 to implement the various steps of the above-mentioned signal transmission method embodiment, and can achieve the same technical effect, in order to avoid To avoid repetition, I will not go into details here.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned signal detection method or signal transmission method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • the embodiments of the present application further provide a computer program/program product, which is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the various processes of the above-mentioned signal detection method or signal transmission method embodiments, 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 signal transmission detection system, including: a terminal and a transmitting end, wherein the terminal can be used to execute the steps of the above-mentioned signal detection method, and the transmitting end can be used to execute the steps of the above-mentioned signal transmission method.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, etc.).
  • a disk or optical disk includes several instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in the various embodiments of the present application.

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Abstract

La présente demande se rapporte au domaine technique des communications. Sont divulgués un procédé de détection de signal, un procédé de transmission de signal, un appareil, un terminal et une extrémité de transmission. Le procédé de détection de signal selon les modes de réalisation de la présente demande comprend les étapes suivantes : un terminal détecte des signaux de commande d'au moins deux formats, les premiers paramètres des signaux de commande d'au moins deux formats étant différents, chaque premier paramètre comprenant au moins l'un des éléments suivants : un deuxième paramètre d'une séquence portée sur le signal de commande, le deuxième paramètre comprenant au moins l'un des éléments suivants : des éléments de séquence, une longueur de séquence, le nombre de séquences et le débit de puce d'une séquence ; et un troisième paramètre d'informations de commande portées sur le signal de commande, le troisième paramètre comprenant au moins l'un des éléments suivants : un nombre de bits, un débit de code, un mode de codage, une indication de répétition, une longueur de contrôle de redondance cyclique (CRC), un polynôme CRC et une séquence de brouillage CRC.
PCT/CN2023/138144 2022-12-15 2023-12-12 Procédé de détection de signal, procédé de transmission de signal, appareil, terminal et extrémité de transmission WO2024125506A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211617167.3A CN118215056A (zh) 2022-12-15 2022-12-15 信号检测、信号传输方法、装置、终端及发送端
CN202211617167.3 2022-12-15

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WO2024125506A1 true WO2024125506A1 (fr) 2024-06-20

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