CN109804584A - 下行数据的ack/nack信息反馈方法及相关设备 - Google Patents

下行数据的ack/nack信息反馈方法及相关设备 Download PDF

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Publication number
CN109804584A
CN109804584A CN201680089669.XA CN201680089669A CN109804584A CN 109804584 A CN109804584 A CN 109804584A CN 201680089669 A CN201680089669 A CN 201680089669A CN 109804584 A CN109804584 A CN 109804584A
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Prior art keywords
user equipment
data packet
time delay
ack
subframe
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CN201680089669.XA
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CN109804584B (zh
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薛祎凡
刘云
王达
王键
曾勇波
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1825—Adaptation of specific ARQ protocol parameters according to transmission conditions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1864—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1893—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements 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
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/1896—ARQ related signaling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure

Abstract

本发明实施例公开一种下行数据的ACK/NACK信息反馈方法，包括：获取用户设备的处理能力信息，并将所述处理能力信息上报给基站；获取下行数据包的数据信息；根据所述处理能力信息及数据信息，计算所述用户设备针对所述下行数据包进行数据解码及ACK/NACK信息编码所需要的基础延迟时间；接收基站针对所述下行数据包下发的额外延迟时间，所述额外延迟时间用于指示反馈所述下行数据包对应的ACK/NACK信息的子帧的位置；根据所述基础延迟时间和所述额外延迟时间之和，选择对应的子帧反馈所述下行数据包对应的ACK/NACK信息。另，本发明实施例还公开一种应用所述方法的基站及用户设备。所述方法可以有效降低数据传输延迟。

Description

PCT国内申请，说明书已公开。

Claims (56)

  1. PCT国内申请，权利要求书已公开。
CN201680089669.XA 2016-09-28 2016-10-10 下行数据的ack/nack信息反馈方法及相关设备 Active CN109804584B (zh)

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CN2016100503 2016-09-28
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EP (2) EP4203364A1 (zh)
JP (1) JP6844007B2 (zh)
KR (1) KR102238467B1 (zh)
CN (2) CN111884772A (zh)
AU (2) AU2016424838B2 (zh)
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AU2020281150B2 (en) 2022-07-21
EP4203364A1 (en) 2023-06-28
CN109804584B (zh) 2020-07-28
AU2020281150A1 (en) 2021-01-07
RU2720977C1 (ru) 2020-05-15
CA3038580A1 (en) 2018-04-05
JP2019535217A (ja) 2019-12-05
BR112019006155A2 (pt) 2019-09-03
US11968050B2 (en) 2024-04-23
KR102238467B1 (ko) 2021-04-08
US20200028629A1 (en) 2020-01-23
JP6844007B2 (ja) 2021-03-17
AU2016424838B2 (en) 2020-09-10
WO2018058698A1 (zh) 2018-04-05
EP3512141A4 (en) 2019-09-18
KR20190053268A (ko) 2019-05-17
EP3512141A1 (en) 2019-07-17
AU2016424838A1 (en) 2019-05-02

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