WO2020042036A1 - 无线通信方法和通信设备 - Google Patents

无线通信方法和通信设备 Download PDF

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Publication number
WO2020042036A1
WO2020042036A1 PCT/CN2018/103084 CN2018103084W WO2020042036A1 WO 2020042036 A1 WO2020042036 A1 WO 2020042036A1 CN 2018103084 W CN2018103084 W CN 2018103084W WO 2020042036 A1 WO2020042036 A1 WO 2020042036A1
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WO
WIPO (PCT)
Prior art keywords
time unit
time
feedback information
unit
communication device
Prior art date
Application number
PCT/CN2018/103084
Other languages
English (en)
French (fr)
Inventor
林亚男
Original Assignee
Oppo广东移动通信有限公司
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
Priority to AU2018439800A priority Critical patent/AU2018439800B2/en
Priority to CA3089915A priority patent/CA3089915C/en
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to BR112020015861-5A priority patent/BR112020015861A2/pt
Priority to KR1020207026076A priority patent/KR102521751B1/ko
Priority to CN201880068377.7A priority patent/CN111247759A/zh
Priority to SG11202007048YA priority patent/SG11202007048YA/en
Priority to JP2020546492A priority patent/JP2021516496A/ja
Priority to MX2020009164A priority patent/MX2020009164A/es
Priority to RU2020127799A priority patent/RU2770178C1/ru
Priority to EP18931968.4A priority patent/EP3726764B1/en
Priority to PCT/CN2018/103084 priority patent/WO2020042036A1/zh
Priority to CN202010515885.4A priority patent/CN111698062B/zh
Publication of WO2020042036A1 publication Critical patent/WO2020042036A1/zh
Priority to US16/987,244 priority patent/US11223463B2/en
Priority to US17/449,282 priority patent/US11664950B2/en
Priority to JP2022154273A priority patent/JP2022185019A/ja

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1825Adaptation of specific ARQ protocol parameters according to transmission conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1854Scheduling and prioritising arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/1896ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/08Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • H04L1/1614Details of the supervisory signal using bitmaps
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607Details of the supervisory signal
    • H04L1/1621Group acknowledgement, i.e. the acknowledgement message defining a range of identifiers, e.g. of sequence numbers

Definitions

  • the present application relates to the field of communications, and in particular, to a wireless communication method and a communication device.
  • slot aggregation is introduced, that is, one scheduling or one transmission block can occupy multiple time slots.
  • Embodiments of the present application provide a wireless communication method and a communication device, which can implement data feedback for multiple time units (for example, time slots).
  • a wireless communication method including: determining a second time unit according to a time domain location of at least one first time unit among a plurality of first time units for transmitting data; and using the one first Two time units, transmitting feedback information, the feedback information is feedback information for data transmitted on the plurality of first time units.
  • a communication device for performing the method in the first aspect described above.
  • the device includes a functional module for performing the method in the first aspect described above.
  • a communication device including a processor and a memory.
  • the memory is used to store a computer program
  • the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect.
  • a chip is provided for implementing the method in any one of the first to second aspects.
  • the chip includes a processor for invoking and running a computer program from a memory, so that a device installed with the chip executes the method as in the first aspect above.
  • a computer-readable storage medium for storing a computer program that causes a computer to execute the method in the first aspect above.
  • a computer program product including computer program instructions that cause a computer to execute the method in the first aspect.
  • a computer program that, when run on a computer, causes the computer to perform the method in the first aspect described above.
  • a second time unit is determined according to a time domain position of at least one first time unit among a plurality of first time units for transmitting data; using the one second time unit, transmission Feedback information, the feedback information is feedback information for data transmitted on the multiple first time units, and feedback on data for multiple time units (for example, time slots) may be implemented.
  • FIG. 1 is a schematic diagram of a communication system architecture provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a wireless communication method according to an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a TB transmission provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a TB transmission provided by an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG. 7 is a schematic block diagram of a chip according to an embodiment of the present application.
  • FIG. 8 is a schematic diagram of a communication system according to an embodiment of the present application.
  • GSM Global System for Mobile
  • CDMA Code Division Multiple Access
  • Wideband Code Division Multiple Access Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • the communication system 100 may include a network device 110, and the network device 110 may be a device that communicates with a terminal device 120 (or a communication terminal or a terminal).
  • the network device 110 may provide communication coverage for a specific geographic area, and may communicate with terminal devices located within the coverage area.
  • the network device 110 may be a base station (Base Transceiver Station, BTS) in a GSM system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station in an LTE system.
  • BTS Base Transceiver Station
  • NodeB NodeB
  • the network device may be a mobile switching center, relay station, access point, vehicle equipment, Wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks, or network devices in public land mobile networks (PLMN) that will evolve in the future.
  • PLMN public land mobile networks
  • the communication system 100 further includes at least one terminal device 120 located within a coverage area of the network device 110.
  • terminal equipment used herein includes, but is not limited to, connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection ; And / or another data connection / network; and / or via a wireless interface, such as for cellular networks, Wireless Local Area Networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM- FM broadcast transmitter; and / or another terminal device configured to receive / transmit communication signals; and / or Internet of Things (IoT) devices.
  • PSTN Public Switched Telephone Networks
  • DSL Digital Subscriber Line
  • WLAN Wireless Local Area Networks
  • DVB-H Digital Video Broadband
  • satellite networks satellite networks
  • AM- FM broadcast transmitter AM- FM broadcast transmitter
  • IoT Internet of Things
  • a terminal device configured to communicate through a wireless interface may be referred to as a “wireless communication terminal”, a “wireless terminal”, or a “mobile terminal”.
  • mobile terminals include, but are not limited to, satellite or cellular phones; personal communications systems (PCS) terminals that can combine cellular radiotelephones with data processing, facsimile, and data communications capabilities; can include radiotelephones, pagers, Internet / internal PDA with network access, web browser, notepad, calendar, and / or Global Positioning System (GPS) receiver; and conventional laptop and / or palm-type receivers or others including radiotelephone transceivers Electronic device.
  • PCS personal communications systems
  • GPS Global Positioning System
  • a terminal device can refer to an access terminal, user equipment (User Equipment), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent, or User device.
  • the access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Processing (PDA), and wireless communication.
  • terminal devices 120 may perform terminal direct device (D2D) communication.
  • D2D terminal direct device
  • the 5G system or the 5G network may also be referred to as a New Radio (NR) system or an NR network.
  • NR New Radio
  • FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. The method is executed by a communication device, which may be a terminal device or a network device.
  • a communication device which may be a terminal device or a network device.
  • the communication device determines a second time unit based on a time domain location of at least one first time unit of the plurality of first time units for transmitting data.
  • the data may be uplink data
  • the uplink data may be carried in a physical uplink shared channel (PUSCH)
  • the uplink data may be semi-persistent scheduling (Semi-Persistent Scheduling). Persistent Scheduling (SPS) or dynamic scheduling through Downlink Control Information (DCI).
  • SPS Persistent Scheduling
  • DCI Downlink Control Information
  • the terminal device may send uplink data through multiple first time units, and receive feedback information on the uplink data on a second time unit.
  • the network device may receive uplink data through multiple first time units, and send feedback information for the uplink data on a second time unit.
  • the data may be downlink data, and the downlink data may be carried in PDSCH (Physical Downlink Shared Channel, PDSCH).
  • PDSCH Physical Downlink Shared Channel
  • the downlink data may be SPS scheduled or dynamically scheduled through DCI.
  • the terminal device may receive downlink data through multiple first time units, and send feedback information for the downlink data on a second time unit.
  • the network device may send downlink data through multiple first time units, and receive feedback information on the uplink data on a second time unit.
  • the first time unit is a symbol, a time slot, a sub-slot, a half-slot, or a subframe.
  • the number of symbols in the half-slot mentioned in the embodiment of the present application may be equal to half of the number of symbols included in the slot, and one slot may include two half-slots.
  • the sub-slots mentioned in the embodiments of the present application may include at least one symbol, and a slot may be divided into at least one sub-slot.
  • the first time units occupied by the data may have the same granularity (for example, occupy 2 time slots), or may not have the same granularity (for example, occupy 2 time slots plus 2 Symbols), where the granularity can be characterized by the number of symbols included, and can be divided into symbols, time slots, sub-slots, half-slots, or subframes.
  • the multiple first time units are consecutive multiple consecutive first time units. For example, as shown in FIG. 3 or 4, multiple consecutive time slots are occupied.
  • multiple first time units for transmitting data may also be discontinuous.
  • first time units for transmitting data there are at least one time unit between two adjacent first time units.
  • each adjacent two first time units are separated by the same number of time units.
  • the number of the first time unit for transmitting data may be preset on the terminal device, or configured on the network side to the terminal device through high-level signaling or physical layer signaling.
  • the second time unit is a symbol, a time slot, a sub-slot, a half-slot, or a subframe.
  • the granularity of the first time unit and the second time unit are the same.
  • the first time unit and the second time unit are both time slots, or both are half time slots.
  • the granularity of the first time unit and the second time unit are different.
  • the communication device may determine the one second time unit according to a time domain position of a last first time unit among the plurality of first time units.
  • a second time unit for transmitting feedback information is determined, and a more appropriate second time unit for transmitting feedback information may be determined, avoiding the number of first time units Affects the transmission of feedback information, for example, assuming that the number of first time units to transmit data is variable, and the number of time units in which the last first time unit differs from a determined second time unit is fixed, and Assume that the time domain location of the first first time unit is used to determine the second time unit for transmitting feedback information.
  • the determined second time unit will be too close to the last first time unit (Even ahead of the last first time unit), there is not enough time to transmit feedback information, or if the number of first time units is too small, it will cause the determined second time unit to be too different from the last first time unit Multiple time units, resulting in the need to wait longer to send or receive feedback information.
  • the embodiment of the present application is not limited to determining the second time unit by using the time domain position of the last first time unit.
  • the penultimate first time unit may be used to determine the first time unit.
  • the first first time unit may be used to determine the second time unit (at this time, the number of the first time unit may be dynamically adjusted, and the number of time units different from the first time unit and the second time unit may be dynamic Adjusted; or, the number of the first time unit may be fixed, and the number of time units different from the first time unit and the second time unit may be fixed).
  • the time domain position of the second time unit to which the at least one first time unit belongs is determined.
  • the second time unit for transmitting feedback information is an n + k second time unit, and the nth second time unit belongs to the last first time unit of the plurality of first time units.
  • the second time unit, the subcarrier interval corresponding to the first time unit and the second time unit may be the same, and k and n are non-negative integers.
  • the fourth half time slot belongs to the second time slot
  • K is four time slots.
  • the time unit is the sixth time slot.
  • the one second time unit for transmitting feedback information is an n + k second time Unit, where the nth second time unit is the last first time unit of the plurality of first time units, and the subcarrier interval corresponding to the first time unit and the second time unit may be the same at this time, the k And n are non-negative integers.
  • the second time unit for transmitting feedback information is the eighth time slot.
  • the subcarrier interval between the first time unit and the second time unit may be the same or different.
  • the communication device may determine a second time unit according to the time domain location of the at least one first time unit, the subcarrier interval of the first time unit, and the subcarrier interval of the second time unit.
  • the second time unit uses the time domain position of the last first time unit as an example to explain how to determine a second time unit by combining the subcarrier interval and the granularity of the time unit.
  • the second time unit for transmitting feedback information may be ((n + K) 2 a / 2 b ), where a unit of the subcarrier interval between K and n is maintained Consistent, K and n are positive integers, a represents the subcarrier interval of the second time unit, and b represents the subcarrier interval of the first time unit; where the granularity of the first time unit and the second time unit are the same , N is the time domain location of one of the first time units (for example, the last first time unit); when the granularity of the first time unit and the second time unit is different, n is one of the first time units ( For example, the time domain location of the second time unit to which the last first time unit) belongs.
  • the second time unit may also be determined in other manners, which are not specifically limited in the embodiment of the present application.
  • the method is executed by a terminal device, and the above-mentioned K (which may include K anywhere) is preset on the terminal device based on a protocol, or through a network-side high-level parameter (which can be carried at a high-level (In signaling) is configured to the terminal device, or the network side indicates to the terminal device through physical layer signaling, for example, downlink control information DCI.
  • K which may include K anywhere
  • a network-side high-level parameter which can be carried at a high-level (In signaling) is configured to the terminal device, or the network side indicates to the terminal device through physical layer signaling, for example, downlink control information DCI.
  • the method is executed by a network device, and the network device configures the foregoing K to the terminal device through a high-level parameter; or the network device indicates the K to the terminal device through DCI.
  • the network device may indicate the K by a combination of high-level signaling and physical-layer signaling.
  • the terminal device when the terminal device does not receive a set of K of Radio Resource Control (RRC) signaling, the physical layer signaling is used from a predefined set, such as ⁇ 1, 2, 3, 4, 5, 6, A value is indicated in 7, 8 ⁇ .
  • RRC Radio Resource Control
  • the set of RRC signaling configuration K a value is indicated by the physical layer signaling from the set of higher order signaling configuration.
  • the communication device uses the one second time unit to transmit (may be receive or send) feedback information, and the feedback information is feedback information for data transmitted on the plurality of first time units.
  • the multiple first time units are used to repeatedly transmit a transport block (Transport Block, TB).
  • a transport block Transport Block
  • the redundant version (Redundancy Version, RV) used for multiple repeated transmissions may be the same or different.
  • the original information bits are the same for multiple retransmissions. For example, as shown in FIG. 3, TB1 is transmitted 4 times.
  • the feedback information includes an Acknowledgement (ACK) / Negative Acknowledgment (NACK).
  • ACK Acknowledgement
  • NACK Negative Acknowledgment
  • the one ACK / NACK corresponds to one TB of the multiple transmissions.
  • an ACK / NACK means either sending an ACK or sending a NACK.
  • the terminal device can send an ACK, and if the transmitted TB has not been received, it can send a NACK; or, as long as the terminal device has not received a TB, it can send a NACK. If all the transmitted TBs are received, an ACK is returned.
  • the feedback information includes multiple ACKs / NACKs, and the multiple ACKs / NACKs are one-to-one corresponding to multiple coding block groups (Coding Block Group, CBG) included in the TB.
  • CBG Coding Block Group
  • an ACK may be sent to the CBG, and if no TB is transmitted at any time, the CBG may be sent a NACK for the CBG;
  • a NACK can be sent for that CBG, and for any TB that has been transmitted for one time, a NACK can be sent for that CBG.
  • the multiple first time units are used to transmit multiple parts of one transport block TB, and each of the multiple parts respectively occupies a first time unit.
  • the plurality of parts have different original information bits. For example, as shown in FIG. 4, TB1 is divided into four parts, which are transmitted in four first times, respectively.
  • the division of the TB portion may be the same as the division of the CBG included in the TB, for example, each portion includes a CBG, respectively.
  • the division of the TB portion may be different from the division of the included CBG.
  • a portion may include multiple CBGs or less than one CBG.
  • the TB may be divided into multiple parts evenly, or may not be divided into multiple parts in an uneven manner.
  • the feedback information includes one ACK / NACK, and the one ACK / NACK corresponds to the one TB.
  • an ACK may be fed back, and if at least one part is not received successfully, a NACK is fed back.
  • the feedback information includes multiple ACKs / NACKs, and the multiple ACKs / NACKs correspond one-to-one to multiple CBGs included in the TB.
  • the feedback information includes multiple ACK / NACKs, and the multiple ACKs / NACKs correspond to the multiple parts included in the TB one by one.
  • the one second time unit may also transmit the feedback information of data of other time units.
  • the feedback information of the other TBs may also need to be transmitted on the one second time unit.
  • a second time unit is determined according to a time domain position of at least one first time unit among a plurality of first time units for transmitting data; using the one second time unit, transmission Feedback information, the feedback information is feedback information for data transmitted on the multiple first time units, and feedback on data for multiple time units (for example, time slots) may be implemented.
  • FIG. 5 is a schematic block diagram of a communication device 300 according to an embodiment of the present application. As shown in FIG. 5, the communication device 300 includes a processing unit 310 and a communication unit 320;
  • the processing unit 310 is configured to determine a second time unit according to a time domain position of at least one first time unit among a plurality of first time units for transmitting data;
  • the communication unit 320 is configured to use the one second time unit to transmit feedback information, and the feedback information is feedback information for data transmitted on the multiple first time units.
  • processing unit 310 is further configured to:
  • the one second time unit is determined according to a time domain position of a last one of the plurality of first time units.
  • the multiple first time units are configured to repeatedly transmit a transport block TB multiple times.
  • the feedback information includes a positive acknowledgement ACK / negative acknowledgement NACK, and the one ACK / NACK corresponds to one TB of the multiple repeated transmissions; or,
  • the feedback information includes multiple ACKs / NACKs, and the multiple ACKs / NACKs correspond to the multiple coding block groups CBG included in the TB one by one.
  • the multiple first time units are used to transmit multiple parts of one transport block TB, and each of the multiple parts respectively occupies a first time unit.
  • the feedback information includes one ACK / NACK, and the one ACK / NACK corresponds to the one TB; or
  • the feedback information includes multiple ACK / NACKs, and the multiple ACKs / NACKs correspond one-to-one to multiple CBGs included in the TB;
  • the feedback information includes multiple ACK / NACKs, and the multiple ACKs / NACKs correspond to the multiple parts included in the TB one-to-one.
  • the first time unit is a symbol, a time slot, a sub-slot, a half-slot, or a subframe.
  • the second time unit is a symbol, a time slot, a sub time slot, a half time slot, or a subframe
  • the granularity of the first time unit and the second time unit are the same; or,
  • the granularity of the first time unit and the second time unit are different.
  • the processing unit 320 is further configured to determine the one second time unit according to a time domain position of a second time unit to which the at least one first time unit belongs.
  • the one second time unit for transmitting feedback information is an n + k second time unit, where the nth second time unit is a last one of the plurality of first time units.
  • the one second time unit for transmitting feedback information is an n + k second time unit, where: The n-th second time unit is the last first time unit of the plurality of first time units.
  • the communication device is executed by a terminal device, and the K is preset on the terminal device based on a protocol, or is configured to the terminal device through a network-side high-level parameter, or the network side indicates through physical control information DCI For the terminal device.
  • the communication device is executed by a network device, and the communication unit 320 is further configured to:
  • the K is indicated to the terminal device through DCI.
  • processing unit 310 is further configured to:
  • the one second time unit is determined according to a time domain position of the at least one first time unit, a subcarrier interval of the first time unit, and a subcarrier interval of the second time unit.
  • the multiple first time units are multiple consecutive first time units.
  • the data is uplink data; or,
  • the data is downlink data.
  • the communication device may correspond to the terminal device in the foregoing method 200, and corresponding operations of the terminal device in the method 200 may be implemented. For brevity, details are not described herein again.
  • FIG. 6 is a schematic structural diagram of a communication device 400 according to an embodiment of the present application.
  • the communication device 400 shown in FIG. 4 includes a processor 410, and the processor 410 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the communication device 400 may further include a memory 420.
  • the processor 410 may call and run a computer program from the memory 420 to implement the method in the embodiment of the present application.
  • the memory 420 may be a separate device independent of the processor 410, or may be integrated in the processor 410.
  • the communication device 400 may further include a transceiver 430, and the processor 410 may control the transceiver 430 to communicate with other devices. Specifically, it may send information or data to other devices, or receive other information. Information or data sent by the device.
  • the transceiver 430 may include a transmitter and a receiver.
  • the transceiver 430 may further include antennas, and the number of antennas may be one or more.
  • the communication device 400 may specifically be the first communication device in the embodiment of the present application, and the communication device 400 may implement the corresponding process implemented by the first device in each method of the embodiment of the present application. For simplicity, here, No longer.
  • the communication device 400 may specifically be the second communication device in the embodiment of the present application, and the communication device 400 may implement the corresponding process implemented by the second device in each method of the embodiment of the present application. For simplicity, here, No longer.
  • FIG. 7 is a schematic structural diagram of a chip according to an embodiment of the present application.
  • the chip 500 shown in FIG. 7 includes a processor 510, and the processor 510 can call and run a computer program from a memory to implement the method in the embodiment of the present application.
  • the chip 500 may further include a memory 520.
  • the processor 510 may call and run a computer program from the memory 520 to implement the method in the embodiment of the present application.
  • the memory 520 may be a separate device independent of the processor 510, or may be integrated in the processor 510.
  • the chip 500 may further include an input interface 530.
  • the processor 510 may control the input interface 530 to communicate with other devices or chips. Specifically, the processor 510 may obtain information or data sent by other devices or chips.
  • the chip 500 may further include an output interface 540.
  • the processor 510 may control the output interface 540 to communicate with other devices or chips. Specifically, the processor 510 may output information or data to the other devices or chips.
  • the chip may be applied to the first communication device in the embodiments of the present application, and the chip may implement the corresponding process implemented by the first device in each method of the embodiments of the present application. .
  • the chip can be applied to the second communication device in the embodiment of the present application, and the chip can implement the corresponding process implemented by the second device in each method of the embodiment of the present application. .
  • the chip mentioned in the embodiments of the present application may also be referred to as a system-level chip, a system chip, a chip system or a system-on-chip.
  • the processor in the embodiment of the present application may be an integrated circuit chip and has a signal processing capability.
  • each step of the foregoing method embodiment may be completed by using an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the above processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (Field, Programmable Gate Array, FPGA), or other Programming logic devices, discrete gate or transistor logic devices, discrete hardware components.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA off-the-shelf programmable gate array
  • Various methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly implemented by a hardware decoding processor, or may be performed by using a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
  • the storage medium is located in a memory, and the processor reads the information in the memory and completes the steps of the foregoing method in combination with its hardware.
  • the memory in the embodiment of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
  • the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
  • RAM Static Random Access Memory
  • DRAM Dynamic Random Access Memory
  • Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double SDRAM, DDR SDRAM enhanced synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
  • Synchronous DRAM Synchronous Dynamic Random Access Memory
  • Enhanced SDRAM Enhanced SDRAM, ESDRAM
  • synchronous connection dynamic random access memory Synchrobus RAM, SLDRAM
  • Direct Rambus RAM Direct Rambus RAM
  • the memory in the embodiment of the present application may also be a static random access memory (static RAM, SRAM), a dynamic random access memory (dynamic RAM, DRAM), Synchronous dynamic random access memory (SDRAM), double data rate synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous connection Dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct RAMbus RAM, DR RAM) and so on. That is, the memories in the embodiments of the present application are intended to include, but not limited to, these and any other suitable types of memories.
  • FIG. 8 is a schematic block diagram of a communication system 600 according to an embodiment of the present application. As shown in FIG. 8, the communication system 600 includes a network device 610 and a terminal device 620.
  • the network device 610 may be used to implement the corresponding functions implemented by the network device in the foregoing method
  • the terminal device 620 may be used to implement the corresponding functions implemented by the terminal device in the foregoing method.
  • An embodiment of the present application further provides a computer-readable storage medium for storing a computer program.
  • the computer-readable storage medium may be applied to the first device in the embodiment of the present application, and the computer program causes a computer to execute a corresponding process implemented by the first device in each method in the embodiment of the present application. For simplicity, I will not repeat them here.
  • the computer-readable storage medium may be applied to the second device in the embodiment of the present application, and the computer program causes the computer to execute a corresponding process implemented by the second device in each method in the embodiment of the present application. For simplicity, I will not repeat them here.
  • An embodiment of the present application further provides a computer program product, including computer program instructions.
  • the computer program product can be applied to the first device in the embodiment of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the first device in each method in the embodiment of the present application. This will not be repeated here.
  • the computer program product can be applied to the second device in the embodiments of the present application, and the computer program instructions cause the computer to execute a corresponding process implemented by the second device in each method of the embodiments of the present application. For simplicity, in This will not be repeated here.
  • the embodiment of the present application also provides a computer program.
  • the computer program may be applied to the first device in the embodiment of the present application.
  • the computer program When the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the first device in each method in the embodiment of the present application.
  • the computer program For brevity, I will not repeat them here.
  • the computer program may be applied to a second device in the embodiment of the present application, and when the computer program is run on a computer, the computer is caused to execute a corresponding process implemented by the second device in each method of the embodiment of the present application, For brevity, I will not repeat them here.
  • the disclosed systems, devices, and methods may be implemented in other ways.
  • the device embodiments described above are only schematic.
  • the division of the unit is only a logical function division.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
  • the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
  • the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
  • the technical solution of this application is essentially a part that contributes to the existing technology or a part of the technical solution can be embodied in the form of a software product.
  • the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application.
  • the aforementioned storage media include: U disk, mobile hard disk, read-only memory (Read-Only Memory) ROM, random access memory (Random Access Memory, RAM), magnetic disks or optical disks and other media that can store program codes .

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Abstract

本申请实施例提供一种无线通信方法和通信设备,可以实现针对多个时间单元的数据的反馈。该方法包括:根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息。

Description

无线通信方法和通信设备 技术领域
本申请涉及通信领域,具体涉及一种无线通信方法和通信设备。
背景技术
在5G系统中,引入了时隙聚合,也即一次调度或者一个传输块可以占用多个时隙。
针对时隙聚合中的多个时隙传输的数据,如何进行反馈是一项亟待解决的问题。
发明内容
本申请实施例提供一种无线通信方法和通信设备,可以实现针对多个时间单元(例如,时隙)的数据的反馈。
第一方面,提供了一种无线通信方法,包括:根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息。
第二方面,提供了一种通信设备,用于执行上述第一方面中的方法。
具体地,该设备包括用于执行上述第一方面中的方法的功能模块。
第三方面,提供了一种通信设备,包括处理器和存储器。该存储器用于存储计算机程序,该处理器用于调用并运行该存储器中存储的计算机程序,执行上述第一方面中的方法。
第四方面,提供了一种芯片,用于实现上述第一方面至第二方面中的任一方面中的方法。
具体地,该芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有该芯片的设备执行如上述第一方面中的方法。
第五方面,提供了一种计算机可读存储介质,用于存储计算机程序,该计算机程序使得计算机执行上述第一方面中的方法。
第六方面,提供了一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行上述第一方面中的方法。
第七方面,提供了一种计算机程序,当其在计算机上运行时,使得计算 机执行上述第一方面中的方法。
因此,在本申请实施例中,根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息,可以实现针对多个时间单元(例如,时隙)的数据的反馈。
附图说明
图1是本申请实施例提供的一种通信系统架构的示意性图。
图2是本申请实施例提供的一种无线通信方法的示意性图。
图3是本申请实施例提供的一种TB传输的示意性图。
图4是本申请实施例提供的一种TB传输的示意性图。
图5是本申请实施例提供的一种通信设备的示意性框图。
图6是本申请实施例提供的一种通信设备的示意性框图。
图7是本申请实施例提供的一种芯片的示意性框图。
图8是根据本申请实施例提供的一种通信系统的示意性图。
具体实施方式
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
本申请实施例的技术方案可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、LTE频分双工(Frequency Division Duplex,FDD)系统、LTE时分双工(Time Division Duplex,TDD)、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、全球互联微波接入(Worldwide Interoperability for Microwave Access,WiMAX)通信系统或5G系统等。
示例性的,本申请实施例应用的通信系统100如图1所示。该通信系统100可以包括网络设备110,网络设备110可以是与终端设备120(或称为通信终端、终端)通信的设备。网络设备110可以为特定的地理区域提供通信覆盖,并且可以与位于该覆盖区域内的终端设备进行通信。可选地,该网络设备110可以是GSM系统或CDMA系统中的基站(Base Transceiver Station,BTS),也可以是WCDMA系统中的基站(NodeB,NB),还可以是LTE系统中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备可以为移动交换中心、中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器、5G网络中的网络侧设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
该通信系统100还包括位于网络设备110覆盖范围内的至少一个终端设备120。作为在此使用的“终端设备”包括但不限于经由有线线路连接,如经由公共交换电话网络(Public Switched Telephone Networks,PSTN)、数字用户线路(Digital Subscriber Line,DSL)、数字电缆、直接电缆连接;和/或另一数据连接/网络;和/或经由无线接口,如,针对蜂窝网络、无线局域网(Wireless Local Area Network,WLAN)、诸如DVB-H网络的数字电视网络、卫星网络、AM-FM广播发送器;和/或另一终端设备的被设置成接收/发送通信信号的装置;和/或物联网(Internet of Things,IoT)设备。被设置成通过无线接口通信的终端设备可以被称为“无线通信终端”、“无线终端”或“移动终端”。移动终端的示例包括但不限于卫星或蜂窝电话;可以组合蜂窝无线电电话与数据处理、传真以及数据通信能力的个人通信系统(Personal Communications System,PCS)终端;可以包括无线电电话、寻呼机、因特网/内联网接入、Web浏览器、记事簿、日历以及/或全球定位系统(Global Positioning System,GPS)接收器的PDA;以及常规膝上型和/或掌上型接收器或包括无线电电话收发器的其它电子装置。终端设备可以指接入终端、用户设备(User Equipment,UE)、用户单元、用户站、移动站、移动台、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)、具有无线通信 功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备、5G网络中的终端设备或者未来演进的PLMN中的终端设备等。
可选地,终端设备120之间可以进行终端直连(Device to Device,D2D)通信。
可选地,5G系统或5G网络还可以称为新无线(New Radio,NR)系统或NR网络。
图2是根据本申请实施例的无线通信方法200的示意性流程图。该方法由通信设备执行,该通信设备可以是终端设备,也可以是网络设备。
在210中,通信设备根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元。
可选地,在本申请实施例中,该数据可以为上行数据,该上行数据可以承载于物理上行共享信道(Physical Uplink Shared Channel,PUSCH)中,该上行数据可以是半持续性调度(Semi-Persistent Scheduling,SPS)调度的或者通过下行控制信息(Downlink Control Information,DCI)动态调度的。
此时,终端设备可以通过多个第一时间单元发送上行数据,并在一个第二时间单元上接收针对该上行数据的反馈信息。或者,网络设备可以通过多个第一时间单元接收上行数据,并在一个第二时间单元上发送针对该上行数据的反馈信息。
可选地,在本申请实施例中,该数据可以是下行数据,该下行数据可以承载于PDSCH(Physical Downlink Shared Channel,PDSCH)中,该下行数据可以是SPS调度的或者通过DCI动态调度的。
此时,终端设备可以通过多个第一时间单元接收下行数据,并在一个第二时间单元上发送针对该下行数据的反馈信息。或者,网络设备可以通过多个第一时间单元发送下行数据,并在一个第二时间单元上接收针对该上行数据的反馈信息。
可选地,在本申请实施例中,该第一时间单元为符号、时隙、子时隙、半时隙或子帧。
其中,本申请实施例提到的半时隙的符号数量可以等于时隙包括的符号的数量的一半,一个时隙可以包括两个半时隙。
本申请实施例提到的子时隙可以包括至少一个符号,一个时隙可以被划 分为至少一个子时隙,
可选地,数据占用的多个第一时间单元之间可以是具有相同的颗粒度(例如,占用2个时隙),也可以不具有相同的颗粒度(例如,占用2个时隙外加2个符号),其中,颗粒度可以由包括的符号数量来表征,可以分为符号、时隙、子时隙、半时隙或者子帧等。
可选地,该多个第一时间单元为连续的多个连续的第一时间单元。例如,如图3或4所示,占用连续的多个时隙。
当然,在本申请实施例中,传输数据的多个第一时间单元也可以是不连续的。
例如,传输数据的多个第一时间单元中,存在相邻的两个第一时间单元间隔有至少一个时间单元。
又例如,传输数据的多个第一时间单元中,每相邻的两个第一时间单元间隔有相同数量的时间单元。
可选地,在本申请实施例中,用于传输数据的该第一时间单元的数量可以是预设在终端设备的,或者网络侧通过高层信令或者物理层信令配置给终端设备的。
可选地,在本申请实施例中,该第二时间单元为符号、时隙、子时隙、半时隙或子帧。
可选地,在本申请实施例中,该第一时间单元与该第二时间单元的颗粒度相同。
例如,第一时间单元和第二时间单元均为时隙,或均为半时隙。
可选地,在本申请实施例中,该第一时间单元与该第二时间单元的颗粒度不同。
可选地,在本申请实施例中,通信设备可以根据该多个第一时间单元中的最后一个第一时间单元的时域位置,确定该一个第二时间单元。
其中,基于最后一个第一时间单元的时域位置,确定用于传输反馈信息的一个第二时间单元,可以确定更为合适的传输反馈信息的第二时间单元,避免第一时间单元的数量会影响到反馈信息的传输,例如,假设传输数据的第一时间单元的数量是可变的,而最后一个第一时间单元与确定的一个第二时间单元相差的时间单元的数量是固定的,以及假设采用第一个第一时间单元的时域位置确定传输反馈信息的第二时间单元,如果第一时间单元的数量 过多,则会导致确定的第二时间单元过于接近最后一个第一时间单元(甚至提前于最后一个第一时间单元),没有足够的时间来传输反馈信息,或者如果第一时间单元的数量过少,则会导致确定的第二时间单元与最后一个第一时间单元相差太多的时间单元,导致需要等待较长的时间来发送或接收反馈信息。
但应理解,本申请实施例并不限于必须采用最后一个第一时间单元的时域位置确定第二时间单元,例如,可以采用倒数第二个第一时间单元,来确定第一时间单元,也可以采用第一个第一时间单元来确定第二时间单元(此时,第一时间单元的数量可以是动态调整的,以及第一时间单元与第二时间单元相差的时间单元的数量可以是动态调整的;或者,第一时间单元的数量可以是固定的,以及第一时间单元与第二时间单元相差的时间单元的数量可以是固定的)。
可选地,在本申请实施例中,在该第一时间单元与该第二时间单元的颗粒度不同时,根据该至少一个第一时间单元所属的第二时间单元的时域位置,确定该一个第二时间单元。
其中,用于传输反馈信息的该一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为该多个第一时间单元中最后一个第一时间单元所属的第二时间单元,此时第一时间单元与第二时间单元对应的子载波间隔可以是相同的,该k和n为非负整数。
例如,假设数据在第1、2、3和4个半时隙上进行传输,第4个半时隙属于第2个时隙,K为4个时隙,则用于传输反馈信息的第二时间单元为第6个时隙。
可选地,在本申请实施例中,在该第一时间单元与该第二时间单元的颗粒度相同时,用于传输反馈信息的该一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为该多个第一时间单元中最后一个第一时间单元,此时第一时间单元与第二时间单元对应的子载波间隔可以是相同的,该k和n为非负整数。
例如,假设数据在第1、2、3和4个时隙上进行传输,K为4个时隙,则用于传输反馈信息的第二时间单元为第8个时隙。
应理解,以上已按照多个第一时间单元的最后一个第一时间单元的时域位置,确定第二时间单元为例进行了说明,但是上述例子仍然适用于其他第 一时间单元,只要将上述例子中的最后一个第一时间单元替换为其他第一时间单元即可。
可选地,在本申请实施例中,该第一时间单元与第二时间单元的子载波间隔可以相同,也可以不相同。
通信设备可以根据至少一个第一时间单元的时域位置,第一时间单元的子载波间隔以及第二时间单元的子载波间隔,确定一个第二时间单元。
以下已确定第二时间单元采用的是最后一个第一时间单元的时域位置为例说明,如何结合子载波间隔以及时间单元的颗粒度确定一个第二时间单元。
可选地,在本申请实施例中,用于传输反馈信息的该一个第二时间单元可以为((n+K)2 a/2 b),其中,K与n的子载波间隔的单位保持一致,K与n都是正整数,a代表第二时间单元的子载波间隔,b代表第一时间单元的子载波间隔;其中,在该第一时间单元与该第二时间单元的颗粒度相同时,n为其中一个第一时间单元(例如,最后一个第一时间单元)的时域位置;在该第一时间单元与第二时间单元的颗粒度不同时,n为其中一个第一时间单元(例如,最后一个第一时间单元)所属的第二时间单元的时域位置。
应理解,除了按照公式((n+K)2 a/2 b)确定第二时间单元,也可以按照其他方式确定第二时间单元,本申请实施例对此不作具体限定。
可选地,在本申请实施例中,该方法由终端设备执行,上述K(可以包括任一处的K)基于协议预设在该终端设备上,或者通过网络侧高层参数(可以承载于高层信令中)配置给该终端设备的,或者网络侧通过物理层信令,例如,下行控制信息DCI指示给该终端设备的。
可选地,在本申请实施例中,该方法由网络设备执行,网络设备通过高层参数将上述K配置给该终端设备;或者,网络设备通过DCI将该K指示给该终端设备。
可选地,网络设备可以采用高层信令以及物理层信令结合的方式指示该K。
例如,在终端设备没有收到无线资源控制(Radio Resource Control,RRC)信令的K的集合时,由物理层信令从预定义集合,例如{1,2,3,4,5,6,7,8}中指示一个值。对于收到RRC信令配置K的集合时,由物理层信令从高层令信令配置的集合中指示一个值。
在220中,通信设备利用该一个第二时间单元,传输(可以为接收或发送)反馈信息,该反馈信息是针对该多个第一时间单元上传输的数据的反馈信息。
在一种实现方式中,该多个第一时间单元用于多次重复传输一个传输块(Transport Block,TB)。其中,多次重复传输所采用的冗余版本(Redundancy Version,RV)可以相同,也可以不同。多次重传传输的原始信息比特相同。例如,如图3所示,TB1被传输了4次。
该反馈信息包括一个肯定确认(Acknowledgement,ACK)/否定确认(Negative ACKnowledgment,NACK),该一个ACK/NACK对应于该多次传输的一个TB。其中,一个ACK/NACK是指要么发送ACK,要么发送NACK。
具体地,只要终端设备接收到一次传输的TB,则可以发送ACK,如果一次传输的TB均没有收到,则可以发送NACK;或者,只要终端设备未接收到一次TB,则可以发送NACK,如果所有次传输的TB均收到了,则反馈ACK。
或者,该反馈信息包括多个ACK/NACK,多个ACK/NACK一一对应于该TB包括的多个编码块组(Coding Block Group,CBG)。
具体地,针对某个CBG,只要在某次传输的TB中被接收到,则可以针对该CBG发送ACK,任何一次传输的TB均没有收到该CBG,则可以针对该CBG发送NACK;或者,针对某个CBG,只要在某次传输的TB中未被接收到,则可以针对该CBG发送NACK,任何一次传输的TB均收到该CBG,则可以针对该CBG发送NACK。
在一种实现方式中,该多个第一时间单元用于传输一个传输块TB的多个部分,该多个部分中的每个部分分别占用一个第一时间单元。该多个部分的原始信息比特不同。例如,如图4所示,TB1分成了四部分,分别在四个第一时间内传输。
其中,TB的部分的划分可以与TB包括的CBG的划分相同,例如,每部分分别包括一个CBG。或者,TB的部分的划分也可以与包括的CBG的划分不同,例如,一个部分可以包括多个CBG或者少于一个CBG。TB可以平均划分为多个部分,或者也可以不按照平均的方式划分为多个部分。
该反馈信息包括的ACK/NACK为一个,该一个ACK/NACK对应于该一个TB。
具体地,如果该多个部分均被接收成功,则可以反馈ACK,如果存在至 少一个部分没有被接收成功,则反馈NACK。
或者,该反馈信息包括多个ACK/NACK,多个ACK/NACK一一对应于该TB包括的多个CBG。
例如,针对某个CBG,如果被成功接收,则可以反馈ACK,如果没有被成功接收,则可以反馈NACK。
或者,该反馈信息包括的ACK/NACK为多个,多个ACK/NACK一一对应于该TB包括的该多个部分。
例如,针对某个部分,如果被成功接收,则可以反馈ACK,如果没有被成功接收,则可以反馈NACK。
应理解,在本申请实施例中,上述一个第二时间单元除了可以发送上述多个第一时间单元上传输的数据的反馈信息之外,还可以传输其他时间单元的数据的反馈信息。例如,按照上述方式计算的其他的TB传输采用不同的K,则可能使得该其他的TB的反馈信息也需要在该一个第二时间单元上传输。
因此,在本申请实施例中,根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息,可以实现针对多个时间单元(例如,时隙)的数据的反馈。
图5是根据本申请实施例的通信设备300的示意性框图。如图5所示,该通信设备300包括处理单元310和通信单元320;其中,
所述处理单元310用于:根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;
所述通信单元320用于:利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息。
可选地,所述处理单元310进一步用于:
根据所述多个第一时间单元中的最后一个第一时间单元的时域位置,确定所述一个第二时间单元。
可选地,所述多个第一时间单元用于多次重复传输一个传输块TB。
可选地,所述反馈信息包括一个肯定确认ACK/否定确认NACK,所述一个ACK/NACK对应于所述多次重复传输的一个TB;或者,
所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个编码块组CBG。
可选地,所述多个第一时间单元用于传输一个传输块TB的多个部分,所述多个部分中的每个部分分别占用一个第一时间单元。
可选地,所述反馈信息包括一个ACK/NACK,所述一个ACK/NACK对应于所述一个TB;或者,
所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个CBG;
所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的所述多个部分。
可选地,所述第一时间单元为符号、时隙、子时隙、半时隙或子帧。
可选地,所述第二时间单元为符号、时隙、子时隙、半时隙或子帧
可选地,所述第一时间单元与所述第二时间单元的颗粒度相同;或,
所述第一时间单元与所述第二时间单元的颗粒度不同。
可选地,在所述第一时间单元与所述第二时间单元的颗粒度不同时,
所述处理单元320进一步用于:根据所述至少一个第一时间单元所属的第二时间单元的时域位置,确定所述一个第二时间单元。
可选地,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元所属的第二时间单元。
可选地,在所述第一时间单元与所述第二时间单元的颗粒度相同时,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元。
可选地,所述通信设备由终端设备执行,所述K基于协议预设在所述终端设备上,或者通过网络侧高层参数配置给所述终端设备的,或者网络侧通过物理控制信息DCI指示给所述终端设备的。
可选地,所述通信设备由网络设备执行,所述通信单元320进一步用于:
通过高层参数将所述K配置给所述终端设备;或者,
通过DCI将所述K指示给所述终端设备。
可选地,所述处理单元310进一步用于:
根据所述至少一个第一时间单元的时域位置,所述第一时间单元的子载 波间隔以及所述第二时间单元的子载波间隔,确定所述一个第二时间单元。
可选地,所述多个第一时间单元为多个连续的第一时间单元。
可选地,所述数据为上行数据;或,
所述数据为下行数据。
应理解,该通信设备可以对应于上述方法200中的终端设备,可以实现该方法200中的终端设备的相应操作,为了简洁,在此不再赘述。
图6是本申请实施例提供的一种通信设备400示意性结构图。图4所示的通信设备400包括处理器410,处理器410可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图6所示,通信设备400还可以包括存储器420。其中,处理器410可以从存储器420中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器420可以是独立于处理器410的一个单独的器件,也可以集成在处理器410中。
可选地,如图6所示,通信设备400还可以包括收发器430,处理器410可以控制该收发器430与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。
其中,收发器430可以包括发射机和接收机。收发器430还可以进一步包括天线,天线的数量可以为一个或多个。
可选地,该通信设备400具体可为本申请实施例的第一通信设备,并且该通信设备400可以实现本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该通信设备400具体可为本申请实施例的第二通信设备,并且该通信设备400可以实现本申请实施例的各个方法中由第二设备实现的相应流程,为了简洁,在此不再赘述。
图7是本申请实施例的芯片的示意性结构图。图7所示的芯片500包括处理器510,处理器510可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
可选地,如图7所示,芯片500还可以包括存储器520。其中,处理器510可以从存储器520中调用并运行计算机程序,以实现本申请实施例中的方法。
其中,存储器520可以是独立于处理器510的一个单独的器件,也可以集成在处理器510中。
可选地,该芯片500还可以包括输入接口530。其中,处理器510可以控制该输入接口530与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
可选地,该芯片500还可以包括输出接口540。其中,处理器510可以控制该输出接口540与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
可选地,该芯片可应用于本申请实施例中的第一通信设备,并且该芯片可以实现本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该芯片可应用于本申请实施例中的第二通信设备,并且该芯片可以实现本申请实施例的各个方法中由第二设备实现的相应流程,为了简洁,在此不再赘述。
应理解,本申请实施例提到的芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。
应理解,本申请实施例的处理器可能是一种集成电路芯片,具有信号的处理能力。在实现过程中,上述方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。上述的处理器可以是通用处理器、数字信号处理器(Digital Signal Processor,DSP)、专用集成电路(Application Specific Integrated Circuit,ASIC)、现成可编程门阵列(Field Programmable Gate Array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件。可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者电可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
可以理解,本申请实施例中的存储器可以是易失性存储器或非易失性存 储器,或可包括易失性和非易失性存储器两者。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(Synchlink DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。应注意,本文描述的系统和方法的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
应理解,上述存储器为示例性但不是限制性说明,例如,本申请实施例中的存储器还可以是静态随机存取存储器(static RAM,SRAM)、动态随机存取存储器(dynamic RAM,DRAM)、同步动态随机存取存储器(synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)以及直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)等等。也就是说,本申请实施例中的存储器旨在包括但不限于这些和任意其它适合类型的存储器。
图8是本申请实施例提供的一种通信系统600的示意性框图。如图8所示,该通信系统600包括网络设备610和终端设备620。
其中,该网络设备610可以用于实现上述方法中由网络设备实现的相应的功能,以及该终端设备620可以用于实现上述方法中由终端设备实现的相应的功能为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机可读存储介质,用于存储计算机程序。
可选地,该计算机可读存储介质可应用于本申请实施例中的第一设备, 并且该计算机程序使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的第二设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由第二设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序产品,包括计算机程序指令。
可选地,该计算机程序产品可应用于本申请实施例中的第一设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的第二设备,并且该计算机程序指令使得计算机执行本申请实施例的各个方法中由第二设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例还提供了一种计算机程序。
可选地,该计算机程序可应用于本申请实施例中的第一设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由第一设备实现的相应流程,为了简洁,在此不再赘述。
可选的,该计算机程序可应用于本申请实施例中的第二设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由第二设备实现的相应流程,为了简洁,在此不再赘述。
本领域普通技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请的范围。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个 系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
所述功能如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,)ROM、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应所述以权利要求的保护范围为准。

Claims (38)

  1. 一种无线通信方法,其特征在于,包括:
    根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;
    利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息。
  2. 根据权利要求1所述的方法,其特征在于,所述根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元,包括:
    根据所述多个第一时间单元中的最后一个第一时间单元的时域位置,确定所述一个第二时间单元。
  3. 根据权利要求1或2所述的方法,其特征在于,所述多个第一时间单元用于多次重复传输一个传输块TB。
  4. 根据权利要求3所述的方法,特征在于,所述反馈信息包括一个肯定确认ACK/否定确认NACK,所述一个ACK/NACK对应于所述多次重复传输的一个TB;或者,
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个编码块组CBG。
  5. 根据权利要求1或2所述的方法,其特征在于,所述多个第一时间单元用于传输一个传输块TB的多个部分,所述多个部分中的每个部分分别占用一个第一时间单元。
  6. 根据权利要求5所述的方法,特征在于,所述反馈信息包括一个ACK/NACK,所述一个ACK/NACK对应于所述一个TB;或者,
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个CBG;
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的所述多个部分。
  7. 根据权利要求1至6中任一项所述的方法,其特征在于,所述第一时间单元为符号、时隙、子时隙、半时隙或子帧。
  8. 根据权利要求1至7中任一项所述的方法,其特征在于,所述第二时间单元为符号、时隙、子时隙、半时隙或子帧。
  9. 根据权利要求1至8中任一项所述的方法,其特征在于,所述第一时间单元与所述第二时间单元的颗粒度相同;或,
    所述第一时间单元与所述第二时间单元的颗粒度不同。
  10. 根据权利要求1至9中任一项所述的方法,其特征在于,在所述第一时间单元与所述第二时间单元的颗粒度不同时,
    所述根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元,包括:
    根据所述至少一个第一时间单元所属的第二时间单元的时域位置,确定所述一个第二时间单元。
  11. 根据权利要求10所述的方法,其特征在于,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元所属的第二时间单元。
  12. 根据权利要求1至9中任一项所述的方法,其特征在于,在所述第一时间单元与所述第二时间单元的颗粒度相同时,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元。
  13. 根据权利要求11或12所述的方法,其特征在于,所述方法由终端设备执行,所述K基于协议预设在所述终端设备上,或者通过网络侧高层参数配置给所述终端设备的,或者网络侧通过物理控制信息DCI指示给所述终端设备的。
  14. 根据权利要求11或12所述的方法,其特征在于,所述方法由网络设备执行,所述方法还包括:
    通过高层参数将所述K配置给所述终端设备;或者,
    通过DCI将所述K指示给所述终端设备。
  15. 根据权利要求1至14中任一项所述的方法,其特征在于,所述根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元,包括:
    根据所述至少一个第一时间单元的时域位置,所述第一时间单元的子载波间隔以及所述第二时间单元的子载波间隔,确定所述一个第二时间单元。
  16. 根据权利要求1至15中任一项所述的方法,其特征在于,所述多个第一时间单元为多个连续的第一时间单元。
  17. 根据权利要求1至16中任一项所述的方法,其特征在于,所述数据为上行数据;或,
    所述数据为下行数据。
  18. 一种通信设备,其特征在于,包括处理单元和通信单元;其中,
    所述处理单元用于:根据用于传输数据的多个第一时间单元中至少一个第一时间单元的时域位置,确定一个第二时间单元;
    所述通信单元用于:利用所述一个第二时间单元,传输反馈信息,所述反馈信息是针对所述多个第一时间单元上传输的数据的反馈信息。
  19. 根据权利要求18所述的通信设备,其特征在于,所述处理单元进一步用于:
    根据所述多个第一时间单元中的最后一个第一时间单元的时域位置,确定所述一个第二时间单元。
  20. 根据权利要求18或19所述的通信设备,其特征在于,所述多个第一时间单元用于多次重复传输一个传输块TB。
  21. 根据权利要求20所述的通信设备,特征在于,所述反馈信息包括一个肯定确认ACK/否定确认NACK,所述一个ACK/NACK对应于所述多次重复传输的一个TB;或者,
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个编码块组CBG。
  22. 根据权利要求18或19所述的通信设备,其特征在于,所述多个第一时间单元用于传输一个传输块TB的多个部分,所述多个部分中的每个部分分别占用一个第一时间单元。
  23. 根据权利要求22所述的通信设备,特征在于,所述反馈信息包括一个ACK/NACK,所述一个ACK/NACK对应于所述一个TB;或者,
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的多个CBG;
    所述反馈信息包括多个ACK/NACK,所述多个ACK/NACK一一对应于所述TB包括的所述多个部分。
  24. 根据权利要求18至23中任一项所述的通信设备,其特征在于,所述第一时间单元为符号、时隙、子时隙、半时隙或子帧。
  25. 根据权利要求18至24中任一项所述的通信设备,其特征在于,所 述第二时间单元为符号、时隙、子时隙、半时隙或子帧。
  26. 根据权利要求18至25中任一项所述的通信设备,其特征在于,所述第一时间单元与所述第二时间单元的颗粒度相同;或,
    所述第一时间单元与所述第二时间单元的颗粒度不同。
  27. 根据权利要求18至26中任一项所述的通信设备,其特征在于,在所述第一时间单元与所述第二时间单元的颗粒度不同时,
    所述处理单元进一步用于:根据所述至少一个第一时间单元所属的第二时间单元的时域位置,确定所述一个第二时间单元。
  28. 根据权利要求27所述的通信设备,其特征在于,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元所属的第二时间单元。
  29. 根据权利要求18至26中任一项所述的通信设备,其特征在于,在所述第一时间单元与所述第二时间单元的颗粒度相同时,用于传输反馈信息的所述一个第二时间单元为第n+k个第二时间单元,其中,第n个第二时间单元为所述多个第一时间单元中最后一个第一时间单元。
  30. 根据权利要求28或29所述的通信设备,其特征在于,所述通信设备由终端设备执行,所述K基于协议预设在所述终端设备上,或者通过网络侧高层参数配置给所述终端设备的,或者网络侧通过物理控制信息DCI指示给所述终端设备的。
  31. 根据权利要求28或29所述的通信设备,其特征在于,所述通信设备由网络设备执行,所述通信设备还包括:
    通过高层参数将所述K配置给所述终端设备;或者,
    通过DCI将所述K指示给所述终端设备。
  32. 根据权利要求18至31中任一项所述的通信设备,其特征在于,所述处理单元进一步用于:
    根据所述至少一个第一时间单元的时域位置,所述第一时间单元的子载波间隔以及所述第二时间单元的子载波间隔,确定所述一个第二时间单元。
  33. 根据权利要求18至32中任一项所述的通信设备,其特征在于,所述多个第一时间单元为多个连续的第一时间单元。
  34. 根据权利要求18至33中任一项所述的通信设备,其特征在于,所 述数据为上行数据;或,
    所述数据为下行数据。
  35. 一种通信设备,其特征在于,包括处理器和存储器,该存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,执行如权利要求1至17中任一项所述的方法。
  36. 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至17中任一项所述的方法。
  37. 一种计算机可读存储介质,其特征在于,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至17中任一项所述的方法。
  38. 一种计算机程序产品,包括计算机程序指令,该计算机程序指令使得计算机执行如权利要求1至17中任一项所述的方法。
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CN108289011A (zh) * 2017-01-07 2018-07-17 华为技术有限公司 一种数据传输的方法和装置
CN108347311A (zh) * 2017-01-25 2018-07-31 华为技术有限公司 发送和接收反馈信息的方法、接入网设备和终端设备

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