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WO2025152856A1 - Procédé de transmission de préambule, et terminal et dispositif côté réseau - Google Patents

Procédé de transmission de préambule, et terminal et dispositif côté réseau

Info

Publication number
WO2025152856A1
WO2025152856A1 PCT/CN2025/071693 CN2025071693W WO2025152856A1 WO 2025152856 A1 WO2025152856 A1 WO 2025152856A1 CN 2025071693 W CN2025071693 W CN 2025071693W WO 2025152856 A1 WO2025152856 A1 WO 2025152856A1
Authority
WO
WIPO (PCT)
Prior art keywords
target
preamble
terminal
configuration information
side device
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/CN2025/071693
Other languages
English (en)
Chinese (zh)
Inventor
王成瑞
王轶
李�根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of WO2025152856A1 publication Critical patent/WO2025152856A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition

Definitions

  • the present application belongs to the field of wireless communication technology, and specifically relates to a method for transmitting a preamble code, a terminal, and a network-side device.
  • Low-power and high-speed terminal devices are being used more and more widely.
  • Low-power and high-speed terminal devices need to have a long battery life while maintaining the ability to transmit data at a high rate to meet users' needs for real-time data and information.
  • PLL Phase Locking Loop
  • the embodiments of the present application provide a method for transmitting a preamble code, a terminal, and a network-side device, which can solve the problem of how to ensure the reliability of data transmission of a low-power and high-speed terminal device.
  • a method for transmitting a preamble code which is executed by a terminal, and the method includes: the terminal determines configuration information of a target preamble code, wherein the target preamble code is associated with target data transmission; and the terminal sends the target preamble code to a network side device or receives the target preamble code sent by the network side device based on the configuration information.
  • a method for transmitting a preamble code which is executed by a network side device, and the method includes: the network side device determines configuration information of a target preamble code, wherein the target preamble code is associated with target data transmission; and the network side device receives the target preamble code sent by a terminal or sends the target preamble code to the terminal based on the configuration information.
  • a preamble code transmission device comprising: a first determination module, used to determine configuration information of a target preamble code, wherein the target preamble code is associated with target data transmission; and a first transmission module, used to send the target preamble code to a network side device or receive the target preamble code sent by the network side device based on the configuration information.
  • a preamble code transmission device comprising: a second determination module, used to determine configuration information of a target preamble code, wherein the target preamble code is associated with target data transmission; and a second transmission module, used to receive the target preamble code sent by a terminal or send the target preamble code to the terminal based on the configuration information.
  • 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 implement the steps of the method described in the first aspect, and the communication interface is used to couple with the processor.
  • a network side device which includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the second aspect are implemented.
  • a network side device comprising a processor and a communication interface, wherein the processor is used to implement the steps of the method described in the second aspect, and the communication interface is used to couple with the processor.
  • 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 are implemented, or the steps of the method described in the second aspect are implemented.
  • a wireless communication system including: a terminal and a network side device, wherein the terminal can be used to execute the steps of the method described in the first aspect, and the network side device can be used to execute the steps of the method described in the second aspect.
  • FIG2 is a schematic diagram showing the structure of a physical layer frame of MB-OFDM-UWB according to an embodiment of the present application
  • FIG4b is a schematic diagram showing another time-frequency domain resource configuration of a preamble according to an embodiment of the present application.
  • FIG6 is a schematic diagram showing a flow chart of another method for transmitting a preamble provided in an embodiment of the present application.
  • FIG7 is a schematic structural diagram of a preamble transmission device provided in an embodiment of the present application.
  • FIG8 is a schematic structural diagram of another preamble code transmission device provided in an embodiment of the present application.
  • FIG9 is a schematic diagram showing the structure of a communication device provided in an embodiment of the present application.
  • FIG10 is a schematic diagram showing a hardware structure of a terminal provided in an embodiment of the present application.
  • FIG1 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 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a notebook computer, a personal digital assistant (PDA), a handheld computer, a netbook, an ultra-mobile personal computer (Ultra-mobile Personal Computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (Augmented Reality, AR), a virtual reality (Virtual Reality, VR) device, a robot, a wearable device (Wearable Device), a flight vehicle (flight vehicle), a vehicle user equipment (VUE), a shipborne equipment, a pedestrian terminal (Pedestrian User Equipment, PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (Personal Computer, PC
  • the burst preamble can be a burst physical layer convergence procedure (PLCP) preamble (preamble), which includes 18 OFDM symbols in total, among which the frame synchronization sequence occupies the first 12 symbols and the channel estimation sequence occupies the last 6 symbols.
  • PLCP physical layer convergence procedure
  • the operating frequency band of MB-OFDM-UWB technology is 3100–10600MHz, which is divided into 6 groups with 14 sub-bands. Each sub-band has a bandwidth of 528MHz and a subcarrier spacing (SCS) of 4.125MHz. Large bandwidth and large SCS make the time domain sampling interval of MB-OFDM-UWB smaller and the frequency domain correlation between different subcarriers lower. Preamble is designed at the beginning of each frame.
  • the frame structure has a strict design and there are more channel/signal types (for example, the uplink may include the physical uplink control channel (Physical Uplink Control Channel, PUCCH), the physical uplink shared channel (Physical Uplink Shared Channel, PUSCH), and the tracking reference signal (Tracking Reference Signal, TRS), while the downlink may include: the physical downlink control channel (Physical Downlink Control Channel, PDCCH), the physical uplink shared channel (PUSCH), and the tracking reference signal (TRS).
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink shared channel
  • TRS Track Reference Signal
  • S301 The terminal determines configuration information of a target preamble code.
  • the target preamble code is associated with target data transmission.
  • the terminal determines the configuration information of the target preamble based on the target preamble parameter activated by the network side device through the second network signaling, wherein the target preamble parameter is a candidate value in a preamble parameter set including multiple candidate values configured by the network side device or predefined.
  • the terminal may determine the configuration information of the target preamble based on the target preamble parameter activated by the network side device through the second network signaling, such as a Medium Access Control (MAC) command or Downlink Control Information (DCI).
  • the target preamble parameter may be a candidate value configured by the network side device, such as configured by RRC signaling, or a predefined preamble parameter set including multiple candidate values.
  • the network side device may configure or predefine a value set of preamble-related parameters through RRC signaling, and activate one of the values through MAC signaling or DCI.
  • the terminal determines the configuration information of the target preamble based on the first indication information carried in the third network signaling sent by the network side device, wherein the first indication information is used to indicate the configuration of the target preamble.
  • the network side device may directly indicate the preamble configuration information through a MAC command or DCI, that is, the network side device dynamically configures the preamble configuration information of the terminal, and the terminal determines the configuration information of the target preamble based on the indication of the network side device.
  • the network side device may carry the first indication information in a physical downlink control channel (PDCCH) or a physical downlink shared channel (PDSCH), and the terminal detects the first indication information and then determines the configuration information of the target preamble.
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • the target preamble includes one of the following:
  • the target preamble may include two sequences: a second sequence and a third sequence, wherein the second sequence may be used for at least one of time domain synchronization and time offset estimation, and the third sequence may be used for at least one of frequency offset estimation and channel estimation.
  • At least one of the first sequence, the second sequence, and the third sequence is generated based on at least one of the following:
  • At least one of the first sequence, the second sequence, and the third sequence of the target preamble code may be generated based on at least one of the above three sequences.
  • the configuration information of the target preamble may include at least one of the following:
  • the configuration information of the target preamble may include the time domain resource configuration information of the target preamble, and the terminal may determine the time domain position of transmitting the target preamble through the time domain resource configuration information of the target preamble.
  • the configuration information of the target preamble may include the frequency domain resource configuration information of the target preamble, and the terminal may determine the frequency domain position of the target preamble through the frequency domain resource configuration information of the target preamble.
  • the frequency domain resource configuration information includes at least one of the following:
  • a mapping pattern of the target preamble code on the allocated frequency domain resources for example, a mapping pattern of different parts of the target preamble code on the frequency domain resources.
  • the configuration information of the target preamble may also include frequency domain resource configuration information of the target preamble.
  • the frequency domain resource configuration information of the target preamble may include at least one of the frequency domain resources allocated to the target preamble and the mapping pattern of the target preamble on the allocated frequency domain resources.
  • the configuration information of the target preamble may be determined according to actual conditions without limitation.
  • the time domain resource configuration information and frequency domain resource configuration information of the preamble can be determined based on a predefined rule (based on a default method). For example, for a preamble associated with a PDCCH or PDSCH, the default time domain resource configuration of the preamble is 1 symbol before the first symbol of the PDCCH or PDSCH, and the default preamble frequency domain resource configuration is the same as the frequency domain resource of the PDCCH or PDSCH. For example, in Figure 4a, the time domain position of the preamble of the PDCCH/PDSCH is located at a symbol before the PDCCH/PDSCH, and its frequency domain resource allocation is the same as the frequency domain resource allocation of the PDCCH/PDSCH.
  • the time domain resource configuration information and frequency domain resource configuration information of the preamble code can also be explicitly configured and determined directly by the network side device.
  • the network side device when the network side device semi-statically configures two preamble code configurations, it can indicate which one is in the DCI for scheduling PDSCH. Or for PDCCH, when configuring the search space (Search space) or the control resource set (Control Resource Set, coreset), it indicates which preamble code the PDCCH corresponds to.
  • the network side device can configure the preamble code corresponding to the PDCCH to be 1 symbol before the first symbol of the PDCCH in the time domain through signaling, and configure the preamble code corresponding to the PDSCH to be 2 symbols before the first symbol of the PDSCH in the time domain.
  • the terminal determines part or all of the configuration information of the target preamble according to the target information and a predefined rule, wherein the target information includes at least one of the following:
  • Subcarrier Spacing used to transmit the target data.
  • the network-side device can configure or agree on multiple preamble configurations, and different SCSs correspond to different preamble configurations.
  • the values of preamble parameters corresponding to different preamble configurations are not exactly the same.
  • the network side device may configure or agree on multiple preamble configurations, and different channel types correspond to different preamble configurations.
  • the time interval of the target data transmission relative to the target signal or target channel may configure or agree by protocol on two preamble configurations.
  • the first preamble configuration is used, otherwise, the second preamble configuration is used.
  • the target signal may be a synchronization signal, such as a Tracking Reference Signal (TRS) or SSB
  • the target data transmission may be other downlink signal transmissions, such as PDSCH or PDCCH.
  • TRS Tracking Reference Signal
  • SSB Tracking Reference Signal
  • the type of the bandwidth part (Bandwidth Part, BWP) for transmitting the target data may configure or agree on multiple preamble configurations, and different bandwidth part types correspond to different preamble configurations. For example, an initial BWP corresponds to the first preamble configuration, a specific active BWP corresponds to the second preamble configuration, or a specific frequency band corresponds to a BWP that supports multiple preamble configurations.
  • the terminal may determine which preamble configuration is based on other information, such as subcarrier spacing SCS/waveform/BWP type, etc.
  • the type of carrier used to transmit the target data may configure or agree on multiple preamble configurations, and different carrier types correspond to different preamble configurations. For example, a carrier with a carrier bandwidth less than a predefined or configured threshold corresponds to a first preamble configuration, and otherwise corresponds to a second preamble configuration.
  • the transmission mode of the terminal For example, the network side device can configure or agree on multiple preamble configurations, and different transmission models correspond to different preamble configurations.
  • the service type corresponding to the target data may configure or agree on multiple preamble configurations, and different service types correspond to different preamble configurations.
  • the network side device may configure or agree on two preamble configurations, and a first preamble configuration corresponds to a specific service type, and a second preamble configuration corresponds to other service types.
  • the UE may determine the corresponding preamble configuration according to the service type.
  • the terminal can determine all the configuration information of the target preamble according to the predetermined rules based on at least one of the target information in (1) to (15) above.
  • the protocol stipulates multiple preamble configurations, and the terminal determines the configuration information of the target preamble as one of them according to the predefined rules based on at least one of the target information in (1) to (15).
  • the terminal can also determine part of the configuration information of the target preamble according to one of the target information in (1) to (15), and determine the remaining configuration information of the target preamble according to at least one of the other target information in (1) to (15).
  • no preamble is required for SSB
  • the UE can perform time-frequency offset estimation based on the primary synchronization signal (PSS)/secondary synchronization signal (SSS) for reception of the physical broadcast channel (PBCH).
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • the UE can also perform time-frequency offset estimation based on the signal itself without a preamble.
  • PUCCH formats generated based on sequences such as PUCCH format 0
  • PRACH also generated based on sequences
  • a preamble needs to be sent before the PDSCH/PDCCH.
  • a default preamble code configuration can be predefined for the corresponding Type0-PDCCH/Type0-PDCCH scheduled PDSCH.
  • the time-frequency domain resource configuration of the preamble code corresponding to the default Type0-PDCCH/Type0-PDCCH scheduled PDSCH is the configuration shown in Figure 4a.
  • a specific frequency band corresponds to a BWP supporting multiple preamble code configurations, and the terminal can determine which preamble code configuration is based on other information such as subcarrier spacing SCS/waveform/BWP type.
  • Other frequency bands correspond to a BWP supporting one preamble code configuration.
  • the terminal determines part or all of the configuration information of the target preamble code based on the target information and predefined rules, wherein the target information may include the receiver type of the terminal. For example, multiple receiver types are defined, and the achievable time or frequency domain accuracy is different.
  • the network side device configures different preamble code parameters for the terminal based on the receiver type. If the terminal reports the use of a receiver with lower time or frequency domain accuracy, the network side device can configure the preamble code to the first configuration. If the terminal reports the use of a receiver with higher time or frequency domain accuracy, the network side device configures the preamble code to the second configuration.
  • the preamble code parameters corresponding to different preamble code configurations are not exactly the same.
  • the method further includes: after sending the target preamble code to the network side device, the terminal sends the target data associated with the target preamble code; or, after receiving the target preamble code sent by the network side device, the terminal receives the target data associated with the target preamble code.
  • FIG6 shows a flow chart of another method for transmitting a preamble in an embodiment of the present application, and the method 600 is performed by a network side device.
  • the method can be performed by software or hardware installed on the network side device.
  • the network side device includes but is not limited to the base station in FIG1.
  • the network side device determines configuration information of the target preamble code.
  • the target preamble code is associated with target data transmission.
  • the method includes: the network side device indicates the configuration information of the target preamble to the terminal.
  • the configuration information of the target preamble may be indicated to the terminal, so that the terminal can learn the configuration information of the target preamble.
  • the network side device sends a third network signaling to the terminal, wherein the third network signaling carries a first indication, and the first indication information is used to indicate the configuration of the target preamble.
  • the network side device can directly indicate the preamble configuration information through a MAC command/DCI, such as the first indication information carried by a PDCCH/PDSCH, indicating the preamble configuration.
  • the network side device determines the configuration information of the target preamble code, including: the network side device determines part or all of the configuration information of the target preamble code according to the target information and a predefined rule, wherein the target information includes at least one of the following:
  • the waveform used to transmit the target data for example, the network side device can be configured with two preamble configurations, a waveform based on OFDM corresponding to the first preamble configuration, and a waveform based on OOK corresponding to the second preamble configuration.
  • the parameter values corresponding to the different preamble configurations are not completely the same.
  • a corresponding preamble configuration is predefined, such as for receiving Type0-PDCCH/PDSCH scheduled by Type0-PDCCH of SIB1.
  • the network side device may configure two preamble configurations: preamble configuration one and preamble configuration two.
  • preamble configuration one For DMRS pattern one, preamble configuration one is used, and for DMRS pattern two, preamble configuration two is used.
  • the network side device can be configured with two preamble configurations: preamble configuration 1 and preamble configuration 2. If the time interval between the PDCCH/PDSCH and the TRS is less than a predefined threshold, the preamble configuration 1 is used, otherwise the preamble configuration 2 is used. Optionally, the preamble configuration 1 can be configured as no preamble.
  • the network side device can be configured with two preamble code configurations: a first preamble code configuration and a second preamble code configuration.
  • the initial BWP corresponds to the first preamble code configuration
  • the specific active BWP corresponds to the second preamble code configuration
  • one BWP corresponds to multiple preamble code configurations.
  • the terminal can determine which preamble code configuration it is based on other information.
  • the network side device can be configured with two preamble code configurations: a first preamble code configuration and a second preamble code configuration.
  • the carrier whose carrier bandwidth is less than the predefined or configured threshold corresponds to the first preamble code configuration, otherwise it corresponds to the second preamble code configuration.
  • the network side device may be configured with two preamble configurations: a first preamble configuration and a second preamble configuration, the NTN cell corresponds to the first preamble configuration, and the non-NTN cell corresponds to the second preamble configuration.
  • the network side device can configure or agree on multiple preamble configurations, and different transmission models correspond to different preamble configurations.
  • the network side device can configure different preamble configurations for different service types.
  • the network side device or protocol can agree on predefined rules.
  • the preamble configurations corresponding to various service types can be determined.
  • the network side device can configure or the protocol can agree on two preamble configurations.
  • the first preamble configuration corresponds to the first preamble configuration
  • other service types correspond to the second preamble configuration.
  • the UE can determine the corresponding preamble configuration according to the service type.
  • the network side device can determine part or all of the configuration information of the target preamble code based on at least one of the above 15 types of target information and predefined rules, and different target information corresponds to different preamble codes.
  • the frequency domain mapping pattern of the part of the preamble configured by the network side device for the terminal for channel estimation in a resource block (RB) is pattern-1 in Figure 5, that is, mapping is performed on every other subcarrier, and 6 subcarriers on one RB are used to place the preamble.
  • a certain agreed threshold for example, 960kHz
  • the frequency domain mapping pattern is pattern-1 in Figure 5, that is, mapping is performed on every other subcarrier, and 6 subcarriers on one RB are used to place the preamble.
  • the corresponding frequency domain mapping pattern is pattern-2 in the figure below, that is, mapping is performed on all subcarriers, and all subcarriers on one RB are used to place the preamble.
  • the network side device receives the target preamble code sent by the terminal or sends the target preamble code to the terminal based on the configuration information.
  • the network side device can receive the target preamble code sent by the terminal or send the target preamble code to the terminal according to the configuration information.
  • the network side device may also receive target data associated with the target preamble sent by the terminal; or after sending the target preamble to the terminal, the network side device may also send the target data associated with the target preamble to the terminal.
  • the network side device may complete time synchronization, frequency offset estimation and recovery, and channel estimation based on the received target preamble, thereby ensuring the reliability of data transmission in the cellular system.
  • the network side device may send a target preamble for at least one of time synchronization, frequency offset estimation and recovery, and channel estimation to the terminal, and then the network side device may send the target data to the terminal.
  • the network side device can determine the configuration information of the target preamble code associated with the target data transmission, and then based on the configuration information, receive the target preamble code sent by the terminal or send the target preamble code to the terminal.
  • the target preamble code transmitted by the network side device is the preamble code associated with the target data transmission, and the target preamble code can be sent and received according to the target preamble code configuration information.
  • the network side device in the embodiment of the present application is not limited to the base station.
  • the terminal and the network side device can complete time synchronization, time offset estimation, frequency offset estimation and recovery, and channel estimation through the preamble code, thereby ensuring the reliability of data transmission in the cellular system, maintaining the high-speed transmission of the target data, reducing the power consumption of the terminal, and meeting user needs.
  • the embodiment of the present application provides a method for transmitting a preamble, and the execution subject may be a transmission device for the preamble.
  • the embodiment of the present application takes the method for transmitting a preamble by the transmission device for the preamble as an example to illustrate the transmission device for the preamble provided by the embodiment of the present application.
  • Figure 7 shows a schematic diagram of the structure of a preamble code transmission device provided by an exemplary embodiment of the present application.
  • the device can be located in a terminal and can implement all or part of the contents of the embodiment shown in Figure 3.
  • the preamble code transmission device 700 includes: a first determination module 701 and a first transmission module 702.
  • the first determination module 701 is used to determine the configuration information of the target preamble code, wherein the target preamble code is associated with the target data transmission.
  • the first transmission module 702 is used to send the target preamble code to the network side device or receive the target preamble code sent by the network side device based on the configuration information.
  • the determining the configuration information of the target preamble code based on an instruction of a network side device includes one of the following:
  • the target preamble parameter is a candidate value in a preamble parameter set including multiple candidate values configured or predefined by the network side device;
  • a second sequence and a third sequence wherein the second sequence is used for at least one of the following: time domain synchronization, time offset estimation, and the third sequence is used for at least one of the following: frequency offset estimation, channel estimation.
  • At least one of the first sequence, the second sequence, and the third sequence is generated based on at least one of the following:
  • the configuration information of the target preamble includes at least one of the following:
  • the frequency domain resource configuration information of the target preamble code is the frequency domain resource configuration information of the target preamble code.
  • the time domain resource configuration information includes at least one of the following:
  • the time domain length of the target preamble code is the time domain length of the target preamble code.
  • a mapping pattern of the target preamble code on the allocated frequency domain resources is
  • the first determining module 701 determines the configuration information of the target preamble, including:
  • the channel type for transmitting the target data is the channel type for transmitting the target data
  • the time interval of the target data transmission relative to the target signal or target channel is the time interval of the target data transmission relative to the target signal or target channel
  • the first transmission module 702 is further configured to:
  • the target data sent by the network side device is received.
  • the transmission device of the preamble code 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 the 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 terminals 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 transmission device of the preamble code provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 3 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • Another method for transmitting a preamble provided in an embodiment of the present application may be performed by a transmission device for a preamble.
  • the transmission device for a preamble provided in an embodiment of the present application is described by taking a method for transmitting a preamble performed by a transmission device for a preamble as an example.
  • Figure 8 shows a schematic structural diagram of another preamble code transmission device provided by an exemplary embodiment of the present application.
  • the device can implement all or part of the contents of the embodiment shown in Figure 6.
  • the preamble code transmission device 800 includes: a second determination module 801 and a second transmission module 802.
  • the second determination module 801 is used to determine the configuration information of the target preamble code, wherein the target preamble code is associated with the target data transmission; the second transmission module 802 is used to receive the target preamble code sent by the terminal or send the target preamble code to the terminal based on the configuration information.
  • the second transmission module 802 is further configured to indicate configuration information of the target preamble code to the terminal.
  • the second transmission module 802 indicates the configuration information of the target preamble code to the terminal, including one of the following:
  • a third network signaling is sent to the terminal, wherein the third network signaling carries a first indication, and the first indication information is used to indicate the configuration of the target preamble code.
  • the carrier frequency band in which the target data is transmitted is transmitted
  • the transmission device of the preamble code provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 6 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application further provides a communication device 900, including a processor 901 and a memory 902, wherein the memory 902 stores a program or instruction that can be run on the processor 901.
  • the communication device 900 is a terminal
  • the program or instruction is executed by the processor 901 to implement the various steps of the above-mentioned embodiment of the method for transmitting a preamble 300, and can achieve the same technical effect.
  • the communication device 900 is a network side device
  • the program or instruction is executed by the processor 901 to implement the various steps of the above-mentioned embodiment of the method for transmitting another preamble 600, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the steps in the method embodiment shown in Figure 3.
  • This terminal embodiment corresponds to the above-mentioned terminal side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the terminal embodiment and can achieve the same technical effect.
  • Figure 10 is a schematic diagram of the hardware structure of a terminal implementing an embodiment of the present application.
  • the radio frequency unit 1001 is used to send the target preamble code to the network side device or receive the target preamble code sent by the network side device based on the configuration information.
  • the target information includes at least one of the following:
  • the time interval of the target data transmission relative to the target signal or target channel is the time interval of the target data transmission relative to the target signal or target channel
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the steps of the method embodiment shown in Figure 6.
  • the network side device embodiment corresponds to the above-mentioned network side device method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the network side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1100 includes: an antenna 1101, a radio frequency device 1102, a baseband device 1103, a processor 1104 and a memory 1105.
  • the antenna 1101 is connected to the radio frequency device 1102.
  • the radio frequency device 1102 receives information through the antenna 1101 and sends the received information to the baseband device 1103 for processing.
  • the baseband device 1103 processes the information to be sent and sends it to the radio frequency device 1102.
  • the radio frequency device 1102 processes the received information and sends it out through the antenna 1101.
  • the method executed by the network-side device in the above embodiment may be implemented in the baseband device 1103, which includes a baseband processor.
  • the baseband device 1103 may include, for example, at least one baseband board, on which multiple chips are arranged, as shown in Figure 11, one of which is, for example, a baseband processor, which is connected to the memory 1105 through a bus interface to call the program in the memory 1105 and execute the network device operations shown in the above method embodiment.
  • the network side device may also include a network interface 1106, which is, for example, a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • 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 embodiment of the method for transmitting a preamble code 300, or to implement the various processes of the above-mentioned embodiment of the method for transmitting a preamble code 600, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente demande appartient au domaine technique des communications sans fil. Sont divulgués un procédé de transmission de préambule, ainsi qu'un terminal et un dispositif côté réseau. Le procédé de transmission de préambule dans les modes de réalisation de la présente demande comprend les étapes suivantes : un terminal détermine des informations de configuration d'un préambule cible, le préambule cible étant associé à une transmission de données cible ; et sur la base des informations de configuration, le terminal envoie le préambule cible à un dispositif côté réseau ou reçoit le préambule cible, qui est envoyé par le dispositif côté réseau.
PCT/CN2025/071693 2024-01-16 2025-01-10 Procédé de transmission de préambule, et terminal et dispositif côté réseau Pending WO2025152856A1 (fr)

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CN202410065342.5A CN120342558A (zh) 2024-01-16 2024-01-16 前导码的传输方法、终端及网络侧设备
CN202410065342.5 2024-01-16

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WO2019006807A1 (fr) * 2017-07-07 2019-01-10 华为技术有限公司 Procédé d'accès aléatoire, dispositif terminal et dispositif réseau
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CN117015054A (zh) * 2022-04-27 2023-11-07 维沃移动通信有限公司 终端操作方法、装置、终端及网络侧设备
CN117279002A (zh) * 2022-06-15 2023-12-22 维沃移动通信有限公司 一种波束选择的方法、终端及网络侧设备

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CN112205061A (zh) * 2018-09-21 2021-01-08 Oppo广东移动通信有限公司 一种资源关联方法及装置、终端、网络设备
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