WO2024059978A1 - Procédé et appareil de transmission d'informations - Google Patents

Procédé et appareil de transmission d'informations Download PDF

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Publication number
WO2024059978A1
WO2024059978A1 PCT/CN2022/119704 CN2022119704W WO2024059978A1 WO 2024059978 A1 WO2024059978 A1 WO 2024059978A1 CN 2022119704 W CN2022119704 W CN 2022119704W WO 2024059978 A1 WO2024059978 A1 WO 2024059978A1
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WO
WIPO (PCT)
Prior art keywords
reference carrier
terminal
carrier
base station
information
Prior art date
Application number
PCT/CN2022/119704
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English (en)
Chinese (zh)
Inventor
王磊
Original Assignee
北京小米移动软件有限公司
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 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/119704 priority Critical patent/WO2024059978A1/fr
Priority to CN202280003440.5A priority patent/CN115669139A/zh
Publication of WO2024059978A1 publication Critical patent/WO2024059978A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA

Definitions

  • the present disclosure relates to the field of communications, and in particular to information transmission methods and devices.
  • the version 18 (Release-18, Rel-18) full-duplex (duplex) enhancement project will study the full-duplex solution.
  • the network side can receive data simultaneously within a time slot (slot). and send.
  • full-duplex operation on the base station side can be achieved by configuring different time division multiplexing configurations (TDD UL-DL configuration) for different carriers belonging to the same frequency band (band).
  • TDD UL-DL configuration different time division multiplexing configurations for different carriers belonging to the same frequency band (band).
  • embodiments of the present disclosure provide an information transmission method and device.
  • an information transmission method the method being executed by a terminal, including:
  • determining a reference carrier for information transmission by the terminal among the multiple carriers In response to determining that the terminal is configured with multiple carriers and that the multiple carriers correspond to different transmission directions in the first time unit, determining a reference carrier for information transmission by the terminal among the multiple carriers;
  • Information transmission is performed with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • an information transmission method is provided, and the method is executed by a base station, including:
  • the base station In response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine a reference carrier for information transmission by the base station among the multiple carriers;
  • Information transmission is performed with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • an information transmission device is provided.
  • the device is applied to a terminal and includes:
  • a first determining module configured to determine, in response to determining that the terminal is configured with multiple carriers, that the terminal is configured with multiple carriers and that the multiple carriers correspond to different transmission directions in the first time unit, that the terminal is configured with Reference carrier for information transmission;
  • the first transmission module is configured to transmit information with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • an information transmission device is provided, and the device is applied to a base station and includes:
  • the second determination module is configured to, in response to determining that the base station has configured multiple carriers for the terminal, and the multiple carriers correspond to different transmission directions in the first time unit, determine the multiple carriers among the multiple carriers.
  • the second transmission module is configured to transmit information with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • an information transmission device including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to execute any one of the above information transmission methods on the terminal side.
  • an information transmission device including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to execute any one of the information transmission methods described above on the base station side.
  • the terminal can determine the reference carrier for information transmission among the multiple carriers, And perform information transmission with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 1 is a schematic flowchart of an information transmission method according to an exemplary embodiment.
  • Figure 2 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 3 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 4 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 5 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 6 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 7 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 8 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 9 is a schematic flowchart of another information transmission method according to an exemplary embodiment.
  • Figure 10 is a block diagram of an information transmission device according to an exemplary embodiment.
  • Figure 11 is a block diagram of another information transmission device according to an exemplary embodiment.
  • FIG. 12 is a schematic structural diagram of an information transmission device according to an exemplary embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another information transmission device according to an exemplary embodiment of the present disclosure.
  • first, second, third, etc. may be used in this disclosure to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other.
  • first information may also be called second information, and similarly, the second information may also be called first information.
  • word “if” as used herein may be interpreted as "when” or “when” or “in response to determining.”
  • FIG. 1 is a flow chart of an information transmission method according to an embodiment, which can be executed by a terminal. The method can include the following steps:
  • step 101 in response to determining that the terminal is configured with multiple carriers and that the multiple carriers correspond to different transmission directions in the first time unit, it is determined that the terminal performs information transmission among the multiple carriers. reference carrier.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, generally, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slots, symbols, spans, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the terminal determines that the multiple carriers correspond to different transmission directions in the first time unit.
  • the transmission direction corresponding to carrier #1 in slot #1 is flexible
  • the transmission direction corresponding to carrier #2 in slot #1 is uplink
  • the transmission direction corresponding to carrier #3 in slot #1 is flexible.
  • the terminal determines that multiple carriers correspond to different transmission directions in the first time unit.
  • the terminal can determine a reference carrier among multiple carriers for the terminal to transmit information.
  • the method of determining the reference carrier will be introduced in subsequent embodiments and will not be introduced here.
  • step 102 information is transmitted with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the terminal After the terminal determines the reference carrier, the terminal transmits information with the base station based on the first transmission direction corresponding to the reference carrier in the first time unit.
  • the terminal sends uplink information on slot #1, and the base station receives uplink information on slot #1.
  • the terminal can determine the reference carrier for information transmission among the multiple carriers, and based on Referring to the first transmission direction corresponding to the carrier in the first time unit, information is transmitted with the base station.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 2 is a flow chart of an information transmission method according to an embodiment, which can be executed by a terminal.
  • the method can include the following steps:
  • step 201 in response to determining that the terminal is configured with multiple carriers and that the multiple carriers correspond to different transmission directions in the first time unit, it is determined that the terminal performs information transmission among the multiple carriers. reference carrier.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, generally, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the terminal determines that multiple carriers correspond to different transmission directions in the first time unit.
  • the transmission direction corresponding to carrier #1 in slot #1 is flexible
  • the transmission direction corresponding to carrier #2 in slot #1 is uplink
  • the transmission direction corresponding to carrier #3 in slot #1 is flexible
  • the terminal can determine a reference carrier among multiple carriers for the terminal to transmit information.
  • the method of determining the reference carrier will be introduced in subsequent embodiments and will not be introduced here.
  • step 202 information is transmitted with a base station based on a first transmission direction corresponding to the reference carrier in the first time unit.
  • the terminal After the terminal determines the reference carrier, the terminal transmits information with the base station based on the first transmission direction corresponding to the reference carrier in the first time unit.
  • the first transmission direction corresponding to the reference carrier in slot#1 is uplink, then the terminal sends uplink information in slot#1, and the base station receives uplink information in slot#1.
  • step 203 information transmitted by carriers other than the reference carrier based on the second transmission direction on the first time unit is discarded.
  • the terminal may discard information transmitted by carriers other than the reference carrier based on the second transmission direction on the first time unit.
  • the second transmission direction is different from the first transmission direction.
  • the first transmission direction is uplink
  • the second transmission direction may be downlink or flexible.
  • the second transmission direction may be uplink or flexible.
  • This information includes but is not limited to signals, service data, channels, etc.
  • the terminal can determine the reference carrier for information transmission among the multiple carriers, and based on The first transmission direction corresponding to the reference carrier on the first time unit is used to transmit information with the base station, and at the same time, information transmitted on other carriers can be discarded.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 3 is a flow chart of an information transmission method according to an embodiment, which can be executed by a terminal.
  • the method can include the following steps:
  • step 301 in response to determining that the terminal is configured with multiple carriers, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the terminal is configured according to the carrier identifiers of the multiple carriers.
  • Reference carrier for information transmission in response to determining that the terminal is configured with multiple carriers, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the terminal is configured according to the carrier identifiers of the multiple carriers. Reference carrier for information transmission.
  • the multiple carriers configured by the base station for the terminal may belong to the same frequency band or to different frequency bands, which is not limited in the present disclosure. It should be noted that, in general, the base station side configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the terminal determines the reference carrier for information transmission by the terminal based on carrier identifiers of multiple carriers. Specifically, the terminal may determine the carrier with the smallest or largest carrier identifier among the plurality of carriers as the reference carrier for the terminal to transmit information.
  • the terminal can also sort the carrier identifiers of multiple carriers from large to small or small to large, and select the carrier at a specified position as the reference carrier.
  • step 302 information is transmitted with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the terminal may also discard information transmitted by carriers other than the reference carrier based on the second transmission direction in the first time unit.
  • This information includes but is not limited to signals, service data, channels, etc.
  • the terminal can determine the reference for information transmission among the multiple carriers based on the carrier identifier. carrier, and perform information transmission with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 4 is a flow chart of an information transmission method according to an embodiment, which can be executed by a terminal.
  • the method can include the following steps:
  • step 401 in response to determining that the terminal is configured with multiple carriers and that the multiple carriers correspond to different transmission directions in the first time unit, based on the time division multiplexing configuration information corresponding to each carrier, determine A first ratio corresponding to each carrier.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be a slot, a symbol, a span, etc., which is not limited in the present disclosure.
  • a span includes a plurality of continuous symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink, and flexible.
  • the first ratio is the ratio of the first number of time units whose transmission direction is the specified direction to the total number of time units.
  • the specified direction may be uplink, downlink, or flexible, which is not limited by the present disclosure.
  • step 402 based on the first ratio, the reference carrier for the terminal to transmit information is determined.
  • the terminal may determine the carrier with the highest or lowest first ratio among the plurality of carriers as the reference carrier for the terminal to transmit information.
  • the time division multiplexing configuration information corresponding to carrier #1 is DSUUU
  • the time division multiplexing configuration information corresponding to carrier #2 is DDDSU
  • the time division multiplexing configuration information corresponding to carrier #3 is DDDSU
  • the time division multiplexing configuration information corresponding to carrier #4 The information is DDDSU.
  • the transmission direction corresponding to D is downlink
  • the transmission direction corresponding to U is uplink
  • the transmission direction corresponding to S is flexible.
  • the specified direction may be uplink, then the first ratio corresponding to carrier #1 is 60%, and the first ratios corresponding to carrier #2, carrier #3, and carrier #4 are all 20%.
  • the terminal may determine the carrier with the highest first ratio among the plurality of carriers as the reference carrier for the terminal to transmit information. That is, carrier #1 is determined as the reference carrier.
  • step 403 information is transmitted with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the terminal may also discard information transmitted by carriers other than the reference carrier based on the second transmission direction in the first time unit.
  • This information includes but is not limited to signals, service data, channels, etc.
  • the terminal can multiplex the configuration information in multiple carriers according to the time division corresponding to the carrier. , determine the reference carrier for information transmission, and perform information transmission with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 5 is a flow chart of an information transmission method according to an embodiment, which can be executed by a terminal.
  • the method can include the following steps:
  • step 501 in response to determining that the terminal is configured with multiple carriers, and the multiple carriers correspond to different transmission directions in the first time unit, based on the indication information sent by the base station, among the multiple carriers Determine the reference carrier for information transmission by the terminal.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the terminal can determine the reference carrier directly based on the indication information sent by the base station.
  • step 502 information is transmitted with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the terminal may also discard information transmitted by carriers other than the reference carrier based on the second transmission direction in the first time unit.
  • This information includes but is not limited to signals, service data, channels, etc.
  • the terminal can determine the information among the multiple carriers according to the instruction information sent by the base station.
  • the reference carrier is transmitted, and information is transmitted with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the terminal when the first time unit is within the effective time range of the reference carrier, the terminal may determine the reference carrier based on the first transmission direction and The base station transmits information.
  • the terminal can directly determine the effective time range of the reference carrier based on the protocol stipulation.
  • the terminal may determine the effective time range of the reference carrier according to the indication of signaling sent by the base station.
  • the signaling sent by the base station includes a bitmap, and each bit in the bitmap is used to indicate whether each time unit set belongs to the effective time range of the reference carrier.
  • One time unit set may include one or more slots, one or more spans, one or more subframes, one or more frames, etc., which is not limited in this disclosure.
  • the terminal determines that the time unit set belongs to the effective time range of the reference carrier, and if the bit value corresponding to the time unit set is the second bit value, assuming it is 0, the terminal determines that the time unit set does not belong to the effective time range of the reference carrier.
  • the terminal determines that the time unit set belongs to the effective time range of the reference carrier. If the bit value corresponding to the time unit set is the second bit value, assuming it is 1. The terminal determines that the time unit set does not belong to the effective time range of the reference carrier.
  • the bit map is 11010, and each time unit set includes two slots.
  • the terminal can determine that slot#0 and slot#1, slot#2 and slot#3, slot#6 and slot#7 belong to the effective time range of the reference carrier, and slot#4 and slot#5, slot#8 and slot#9 do not belong to the effective time range of the reference carrier.
  • the terminal can determine the reference carrier for information transmission among the multiple carriers, and further , determine the effective time range of the reference carrier, and when the first time unit is within the effective time range, perform information transmission with the base station based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • FIG. 6 is a flow chart of an information transmission method according to an embodiment. It can be executed by a base station. The method can include the following steps:
  • step 601 in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the base station performs information among the multiple carriers.
  • the reference carrier for transmission in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the base station performs information among the multiple carriers.
  • the reference carrier for transmission in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the base station performs information among the multiple carriers.
  • the reference carrier for transmission in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the base station performs information among the multiple carriers.
  • the reference carrier for transmission in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine that the base station perform
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the base station can determine a reference carrier among multiple carriers for the base station to transmit information.
  • the method of determining the reference carrier will be introduced in subsequent embodiments and will not be introduced here.
  • step 602 information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier in the first time unit.
  • the base station After the base station determines the reference carrier, information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier in the first time unit.
  • the base station can use a similar method as the terminal to determine the reference carrier for information transmission on the base station side.
  • the reference carrier is the same as the reference carrier for information transmission determined on the terminal side, thereby ensuring that the base station and the terminal can communicate with each other at the first time.
  • information is transmitted on the same reference carrier based on the first transmission direction corresponding to the reference carrier, which improves the feasibility of full-duplex communication and has high availability.
  • Figure 7 is a flow chart of an information transmission method according to an embodiment, which can be executed by a base station.
  • the method can include the following steps:
  • step 701 in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, determine the The reference carrier used by the base station for information transmission.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the base station determines the reference carrier for information transmission by the base station based on carrier identifiers of multiple carriers. Specifically, the base station may determine the carrier with the smallest or largest carrier identifier among the multiple carriers as the reference carrier for information transmission by the base station.
  • the base station can also sort the carrier identifiers of multiple carriers from large to small or small to large, and select the carrier at a specified position as the reference carrier.
  • step 702 information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the base station can determine the destination for information transmission among the multiple carriers based on the carrier identifier.
  • a reference carrier is used, and information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • Figure 8 is a flow chart of an information transmission method according to an embodiment, which can be executed by a base station. The method can include the following steps:
  • step 801 in response to determining that the base station has configured multiple carriers for the terminal, and the multiple carriers correspond to different transmission directions in the first time unit, a first ratio corresponding to each carrier is determined based on time division multiplexing configuration information corresponding to each carrier.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the first ratio is the ratio of the first number of time units whose transmission direction is the specified direction to the total number of time units.
  • the specified direction may be uplink, downlink, or flexible, which is not limited by the present disclosure.
  • step 802 based on the first ratio, determine the reference carrier for information transmission by the base station.
  • the base station may determine the carrier with the highest or lowest first ratio among the plurality of carriers as the reference carrier for the base station to transmit information.
  • the specific determination method is similar to that on the terminal side and will not be described again here.
  • step 803 information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the base station can configure multiple carriers according to the time division multiplexing configuration corresponding to the carrier. information, determine a reference carrier for information transmission, and perform information transmission with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Figure 9 is a flow chart of an information transmission method according to an embodiment, which can be executed by a base station.
  • the method can include the following steps:
  • step 901 in response to determining that the base station has configured multiple carriers for the terminal, and that the multiple carriers correspond to different transmission directions in the first time unit, send a message indicating the reference carrier to the terminal.
  • multiple carriers configured by the base station for the terminal may belong to the same frequency band or different frequency bands, and the present disclosure does not limit this. It should be noted that, in general, the base station configures one carrier for the terminal for one cell.
  • the first time unit may be in units of slot, symbol, span, etc., and the present disclosure does not limit this.
  • a span includes multiple consecutive symbols.
  • the multiple carriers corresponding to different transmission directions in the first time unit means that at least two carriers among the multiple carriers have different transmission directions in the same first time unit.
  • the transmission directions include: uplink, downlink and flexible.
  • the base station may determine a reference carrier from multiple carriers, and send indication information to the terminal to inform the terminal of the information of the reference carrier through the indication information.
  • the indication information may carry a carrier identifier of the reference carrier determined by the base station side.
  • step 902 information is transmitted with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the base station can determine a reference carrier among the multiple carriers, and send indication information for indicating the reference carrier to the terminal, and perform information transmission with the terminal based on the first transmission direction corresponding to the reference carrier in the first time unit.
  • the present disclosure improves the feasibility of full-duplex communication and has high availability.
  • the base station may directly determine the effective time range of the reference carrier based on the protocol stipulation.
  • the base station may send signaling to the terminal, using the signaling to indicate the effective time range of the reference carrier.
  • the signaling sent by the base station includes a bitmap, and each bit in the bitmap is used to indicate whether each time unit set belongs to the effective time range of the reference carrier.
  • One time unit set may include one or more slots, one or more spans, one or more subframes, one or more frames, etc., which is not limited in this disclosure.
  • bit value corresponding to the time unit set is the first bit value, assuming it is 1, it is used to indicate that the time unit set belongs to the effective time range of the reference carrier. If the bit value corresponding to the time unit set is the second bit value, The bit value, assumed to be 0, is used to indicate that the time unit set does not belong to the effective time range of the reference carrier.
  • bit value corresponding to the time unit set is the first bit value, it is assumed to be 0, which is used to indicate that the time unit set belongs to the effective time range of the reference carrier. If the bit value corresponding to the time unit set is the second bit value, it is assumed It is 1, which is used to indicate that the time unit set does not belong to the effective time range of the reference carrier.
  • the base station can determine the reference carrier for information transmission among the multiple carriers, and further Ground, determine the effective time range of the reference carrier, and when the first time unit is within the effective time range, perform information transmission with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the disclosure improves the feasibility of full-duplex communication and has high availability.
  • Embodiment 1 assumes that the terminal is a Rel-18 or later version terminal with half-duplex capability or full-duplex capability.
  • This patent does not make any limitations.
  • a network-side device such as a base station, configures N carriers for the terminal, and the N carriers are located in the same band or in different bands. This embodiment does not impose any limitations.
  • Carrier #1 DSUUU;
  • Carrier #2 DDDSU;
  • Carrier #3 DDDSU;
  • Carrier #4 DDDSU.
  • the terminal and the base station determine the transmission direction by the following method: determine the reference carrier according to the carrier identifier.
  • the carrier with the smallest carrier identifier may be determined as the reference carrier.
  • the terminal and the base station shall take the corresponding first transmission direction on the reference carrier as the criterion, and discard the first transmission direction on other carriers and the reference carrier.
  • Information in the opposite direction of transmission including but not limited to data, channels or signals.
  • the reference carrier is carrier #1
  • the first transmission direction of the reference carrier in slot #1 is different from the second transmission direction of other carriers, then carrier #2, carrier #3, and carrier #4 are discarded in slot # Information transmitted within 1.
  • Carrier #1 DSUUU;
  • Carrier #2 DDDSU;
  • Carrier #3 DDDSU;
  • Carrier #4 DDDSU.
  • the terminal and the base station determine the transmission direction by the following method:
  • the carrier with the highest UL or DL ratio in the TDD UL-DL configuration is used as the reference carrier.
  • the carrier with the highest UL ratio is used as the reference carrier, that is, carrier #1 is used as the reference carrier.
  • the terminal and the base station shall take the first transmission direction on the reference carrier as the standard, and discard information on other carriers that is opposite to the transmission direction on the reference carrier. .
  • the terminal and the base station determine the transmission direction by the following method: the base station indicates the carrier identifier of the reference carrier.
  • the base station indicates that carrier #2 is the reference carrier.
  • the terminal and the base station shall take the first transmission direction on the reference carrier as the standard, and discard information on other carriers that is opposite to the reference carrier's transmission direction. Including but not limited to data, channels or signals. In this implementation, on slot #1, the information transmitted by carrier #1 is discarded.
  • Embodiment 4 As described in any one of Embodiments 1 to 3, the base station and the terminal determine the effective range of the reference carrier in a protocol-predefined manner. Specifically, what is determined is the effective time range of the reference carrier.
  • the predefined method of the protocol is: when the transmission direction on the reference carrier conflicts with the transmission direction on other carriers, information is transmitted according to at least the first transmission direction of the reference carrier only in even-numbered frames. Transmission, the information transmission on the reference carrier is discarded in odd frames.
  • this patent does not limit any other method of determining the effective time range of the reference carrier through a protocol predefined method.
  • Embodiment 5 As described in any one of Embodiments 1 to 3, the base station notifies the terminal of the effective range of the reference carrier through explicit signaling indication.
  • the base station indicates the effective time range of the reference carrier in the form of a bitmap.
  • the time domain range corresponding to each bit of the bitmap is slot, frame or N slots, which can also be configured through RRC signaling.
  • the bit in the bitmap When the bit in the bitmap is 1, it means that the time range corresponding to the bit is based on the first transmission direction on the reference carrier; when the bit in the bitmap is 0, it means the time corresponding to the bit The range is based on the transmission direction on other carriers, that is, the information transmitted on the reference carrier is discarded.
  • the reference carrier when the transmission directions of multiple carriers conflict on the same time unit, the reference carrier can be determined and information can be transmitted based on the first transmission direction indicated by the reference carrier, which improves the feasibility of full-duplex communication. , high availability.
  • the present disclosure also provides an application function implementation device embodiment.
  • FIG. 10 is a block diagram of an information transmission device according to an exemplary embodiment, wherein the device is used in a terminal and includes:
  • a first determining module 1001 is configured to, in response to determining that the terminal is configured with multiple carriers, and the multiple carriers correspond to different transmission directions in a first time unit, determine a reference carrier for the terminal to transmit information from the multiple carriers;
  • the first transmission module 1002 is configured to transmit information with a base station based on a first transmission direction corresponding to the reference carrier in the first time unit.
  • Figure 11 is a block diagram of an information transmission device according to an exemplary embodiment.
  • the device is used in a base station and includes:
  • the second determination module 1101 is configured to determine, in response to determining that the base station has configured multiple carriers for the terminal, that the multiple carriers correspond to different transmission directions in the first time unit, that the multiple carriers are The reference carrier used by the base station for information transmission;
  • the second transmission module 1102 is configured to transmit information with the terminal based on the first transmission direction corresponding to the reference carrier on the first time unit.
  • the device embodiment since it basically corresponds to the method embodiment, please refer to the partial description of the method embodiment for relevant details.
  • the device embodiments described above are only illustrative.
  • the units described above as separate components may or may not be physically separated.
  • the components shown as units may or may not be physical units, that is, they may be located in a place, or can be distributed across multiple network units. Some or all of the modules may be selected according to actual conditions to achieve the purpose of the disclosed solution. Persons of ordinary skill in the art can understand and implement the method without any creative effort.
  • an information transmission device including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to execute any one of the above information transmission methods on the terminal side.
  • Figure 12 is a block diagram of an information transmission device 1200 according to an exemplary embodiment.
  • the device 1200 may be a mobile phone, a tablet computer, an e-book reader, a multimedia playback device, a wearable device, a vehicle-mounted user equipment, an iPad, a smart TV and other terminals.
  • device 1200 may include one or more of the following components: processing component 1202, memory 1204, power supply component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1216, and Communication component 1218.
  • Processing component 1202 generally controls the overall operations of device 1200, such as operations associated with display, phone calls, random access of data, camera operations, and recording operations.
  • the processing component 1202 may include one or more processors 1220 to execute instructions to complete all or part of the steps of the above information transmission method.
  • processing component 1202 may include one or more modules that facilitate interaction between processing component 1202 and other components.
  • processing component 1202 may include a multimedia module to facilitate interaction between multimedia component 1208 and processing component 1202.
  • the processing component 1202 can read executable instructions from the memory to implement the steps of an information transmission method provided by the above embodiments.
  • Memory 1204 is configured to store various types of data to support operations at device 1200 . Examples of such data include instructions for any application or method operating on device 1200, contact data, phonebook data, messages, pictures, videos, etc.
  • Memory 1204 may be implemented by any type of volatile or non-volatile storage device, or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EEPROM), Programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
  • SRAM static random access memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM erasable programmable read-only memory
  • EPROM Programmable read-only memory
  • PROM programmable read-only memory
  • ROM read-only memory
  • magnetic memory flash memory, magnetic or optical disk.
  • Power supply component 1206 provides power to various components of device 1200.
  • Power supply components 1206 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 1200 .
  • Multimedia component 1208 includes a display screen that provides an output interface between the device 1200 and the user.
  • multimedia component 1208 includes a front-facing camera and/or a rear-facing camera.
  • the front camera and/or the rear camera may receive external multimedia data.
  • Each front-facing camera and rear-facing camera can be a fixed optical lens system or have a focal length and optical zoom capabilities.
  • Audio component 1210 is configured to output and/or input audio signals.
  • audio component 1210 includes a microphone (MIC) configured to receive external audio signals when device 1200 is in operating modes, such as call mode, recording mode, and voice recognition mode. The received audio signals may be further stored in memory 1204 or sent via communication component 1218 .
  • audio component 1210 also includes a speaker for outputting audio signals.
  • I/O interface 1212 provides an interface between processing component 1202 and peripheral interface modules, such as keyboards, click wheels, buttons, etc. These buttons may include but are not limited to: home button, volume button, start button, and lock button.
  • Sensor component 1216 includes one or more sensors for providing various aspects of status assessment for device 1200 .
  • the sensor component 1216 can detect the open/closed state of the device 1200, the relative positioning of components, such as the display and keypad of the device 1200, and the sensor component 1216 can also detect a change in position of the device 1200 or a component of the device 1200. , the presence or absence of user contact with device 1200 , device 1200 orientation or acceleration/deceleration and temperature changes of device 1200 .
  • Sensor component 1216 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact.
  • Sensor assembly 1216 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications.
  • the sensor component 1216 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
  • the communication component 1218 is configured to facilitate wired or wireless communication between the device 1200 and other devices.
  • the device 1200 can access a wireless network based on a communication standard, such as Wi-Fi, 2G, 3G, 4G, 5G or 6G, or a combination thereof.
  • the communication component 1218 receives a broadcast signal or broadcast-related information from an external broadcast management system via a broadcast channel.
  • the communication component 1218 also includes a near field communication (NFC) module to facilitate short-range communication.
  • the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.
  • RFID radio frequency identification
  • IrDA infrared data association
  • UWB ultra-wideband
  • Bluetooth Bluetooth
  • apparatus 1200 may be configured by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable Gate array (FPGA), controller, microcontroller, microprocessor or other electronic components are implemented for executing any of the above information transmission methods on the terminal side.
  • ASICs application specific integrated circuits
  • DSPs digital signal processors
  • DSPDs digital signal processing devices
  • PLDs programmable logic devices
  • FPGA field programmable Gate array
  • controller microcontroller, microprocessor or other electronic components are implemented for executing any of the above information transmission methods on the terminal side.
  • a non-transitory machine-readable storage medium including instructions such as a memory 1204 including instructions, which can be executed by the processor 1220 of the device 1200 to complete the above information transmission method is also provided.
  • the non-transitory computer-readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, etc.
  • an information transmission device including:
  • Memory used to store instructions executable by the processor
  • the processor is configured to execute any one of the above information transmission methods on the base station side.
  • Figure 13 is a schematic structural diagram of an information transmission device 1300 according to an exemplary embodiment.
  • Apparatus 1300 may be provided as a base station. 13 the apparatus 1300 includes a processing component 1322, a wireless transmit/receive component 1324, an antenna component 1326, and a wireless interface-specific signal processing portion.
  • the processing component 1322 may further include at least one processor.
  • One of the processors in the processing component 1322 may be configured to perform any of the above-described information transmission methods.

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

Abstract

La présente divulgation concerne un procédé et un appareil de transmission d'informations. Le procédé de transmission d'informations comprend : en réponse au fait de déterminer qu'un terminal est configuré avec une pluralité de porteuses qui correspondent à différentes directions de transmission sur une première unité de temps, la détermination, parmi la pluralité de porteuses, d'une porteuse de référence pour une transmission d'informations par le terminal ; et la réalisation d'une transmission d'informations avec une station de base sur la base d'une première direction de transmission correspondant à la porteuse de référence sur la première unité de temps.
PCT/CN2022/119704 2022-09-19 2022-09-19 Procédé et appareil de transmission d'informations WO2024059978A1 (fr)

Priority Applications (2)

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PCT/CN2022/119704 WO2024059978A1 (fr) 2022-09-19 2022-09-19 Procédé et appareil de transmission d'informations
CN202280003440.5A CN115669139A (zh) 2022-09-19 2022-09-19 信息传输方法及装置

Applications Claiming Priority (1)

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