CN110178426A - 信道侦听方法和装置 - Google Patents

信道侦听方法和装置 Download PDF

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Publication number
CN110178426A
CN110178426A CN201780083347.9A CN201780083347A CN110178426A CN 110178426 A CN110178426 A CN 110178426A CN 201780083347 A CN201780083347 A CN 201780083347A CN 110178426 A CN110178426 A CN 110178426A
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CN
China
Prior art keywords
uplink
reference resources
uplink reference
harq process
time interval
Prior art date
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Pending
Application number
CN201780083347.9A
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English (en)
Inventor
李�远
官磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN110178426A publication Critical patent/CN110178426A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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
    • 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]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • 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
    • H04L1/1887—Scheduling and prioritising arrangements
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0082—Timing of allocation at predetermined intervals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • 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
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)

Abstract

本申请实施例提供一种信道侦听方法和装置，其中，该方法包括：终端接收基站发送的上行授权信息，根据该上行授权信息确定第一上行参考资源和第二上行参考资源，并且根据该第一上行参考资源和第二上行参考资源，确定竞争窗长度，以及根据该竞争窗长度侦听信道。该技术方案能够准确的反映实时的信道状态，这样既能够避免节点之间碰撞几率，又增加了信道接入机会。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201780083347.9A 2017-01-13 2017-01-13 信道侦听方法和装置 Pending CN110178426A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/071186 WO2018129725A1 (zh) 2017-01-13 2017-01-13 信道侦听方法和装置

Publications (1)

Publication Number Publication Date
CN110178426A true CN110178426A (zh) 2019-08-27

Family

ID=62839203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780083347.9A Pending CN110178426A (zh) 2017-01-13 2017-01-13 信道侦听方法和装置

Country Status (5)

Country Link
US (1) US20190335496A1 (zh)
EP (1) EP3565341A4 (zh)
JP (1) JP2020505833A (zh)
CN (1) CN110178426A (zh)
WO (1) WO2018129725A1 (zh)

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CN110856270A (zh) * 2019-11-08 2020-02-28 中国信息通信研究院 一种信道接入侦听方法和终端设备
CN112671519A (zh) * 2019-10-15 2021-04-16 中国移动通信有限公司研究院 确定参考信号侦听时机的方法及装置

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CN110431902B (zh) * 2017-03-24 2023-08-08 瑞典爱立信有限公司 用于在非授权频谱中执行传输突发的方法和装置
BR112020002947A2 (pt) * 2017-08-11 2020-08-11 Telefonaktiebolaget Lm Ericsson (Publ) retransmissão de dados antecipados de mensagem 3
EP3673705A1 (en) 2017-08-22 2020-07-01 Telefonaktiebolaget LM Ericsson (publ) Controlling autonomous ul transmissions when coexisting with scheduled ues
EP3738247A1 (en) 2018-01-10 2020-11-18 IDAC Holdings, Inc. Data transmissions and harq-ack associated with an unlicensed spectrum
US10863538B2 (en) * 2018-02-26 2020-12-08 Qualcomm Incorporated Grant processing during grant-free uplink repetitions
EP3629660A1 (en) * 2018-09-26 2020-04-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Method and system for sharing / managing resources
WO2020083265A1 (en) 2018-10-26 2020-04-30 Huawei Technologies Co., Ltd. Channel access mechanism for random access channel in unlicensed spectrum
CN109565836B (zh) * 2018-11-01 2023-06-20 北京小米移动软件有限公司 资源位置确定方法、装置、基站及存储介质
WO2020168039A1 (en) * 2019-02-13 2020-08-20 Idac Holdings, Inc. Methods for contention window size adjustment in unlicensed spectrum
CN113273115B (zh) * 2019-02-13 2024-04-12 富士通株式会社 信息发送和接收方法以及装置
EP4274136A3 (en) * 2019-04-18 2024-02-07 Lenovo (Singapore) Pte. Ltd. Transport block transmission
CN113677037A (zh) * 2020-05-15 2021-11-19 华为技术有限公司 一种采用竞争窗的信道接入方法及装置
US11696299B2 (en) * 2021-04-01 2023-07-04 Qualcomm Incorporated Indication of unoccupied data channel occasion

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CN112671519A (zh) * 2019-10-15 2021-04-16 中国移动通信有限公司研究院 确定参考信号侦听时机的方法及装置
CN112671519B (zh) * 2019-10-15 2023-01-13 中国移动通信有限公司研究院 确定参考信号侦听时机的方法及装置
CN110856270A (zh) * 2019-11-08 2020-02-28 中国信息通信研究院 一种信道接入侦听方法和终端设备

Also Published As

Publication number Publication date
EP3565341A1 (en) 2019-11-06
JP2020505833A (ja) 2020-02-20
WO2018129725A1 (zh) 2018-07-19
EP3565341A4 (en) 2019-12-25
US20190335496A1 (en) 2019-10-31

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Application publication date: 20190827