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
Authority
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
Original Assignee
Huawei Technologies Co Ltd
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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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JP6821049B2 (ja) * 2017-03-08 2021-01-27 エリクソン ゲーエムベーハーＥｒｉｃｓｓｏｎ ＧｍｂＨ 未使用の長期ｕｌ割り当ての利用
WO2018173005A1 (en) * 2017-03-24 2018-09-27 Telefonaktiebolaget L M Ericsson (Publ) Multiple starting and ending positions for scheduled or autonomous uplink transmission in unlicensed spectrum
US11785660B2 (en) * 2017-08-11 2023-10-10 Telefonaktiebolaget Lm Ericsson (Publ) Early data retransmission of message 3
RU2735183C1 (ru) * 2017-08-22 2020-10-28 Телефонактиеболагет Лм Эрикссон (Пабл) Управление aul-передачами при сосуществовании с диспетчеризованными ue
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
EP3864924A4 (en) 2018-10-26 2022-03-30 Huawei Technologies Co., Ltd. CHANNEL ACCESS MECHANISM FOR RANDOM ACCESS CHANNEL IN UNLICENSED SPECTRUM
BR112021016090A2 (pt) * 2019-02-13 2021-10-26 Idac Holdings, Inc. Método para comunicação sem fio por meio de uma banda não licenciada, unidade de transmissão/ recepção sem fio, e, nó de rede
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
EP3565341A4 (en) 2019-12-25
WO2018129725A1 (zh) 2018-07-19
EP3565341A1 (en) 2019-11-06
JP2020505833A (ja) 2020-02-20
US20190335496A1 (en) 2019-10-31

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Application publication date: 20190827