CN115245036A - 指示lbt失败的方法及装置 - Google Patents

指示lbt失败的方法及装置 Download PDF

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Publication number
CN115245036A
CN115245036A CN202080098279.5A CN202080098279A CN115245036A CN 115245036 A CN115245036 A CN 115245036A CN 202080098279 A CN202080098279 A CN 202080098279A CN 115245036 A CN115245036 A CN 115245036A
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Prior art keywords
lbt failure
layer
higher layer
lower layer
condition
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CN202080098279.5A
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贾美艺
蒋琴艳
李国荣
路杨
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Fujitsu Ltd
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Fujitsu Ltd
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    • 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
    • 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]
    • H04W74/0825—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/115—Grant-free or autonomous transmission

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

Abstract

一种指示LBT失败的方法及装置。所述方法应用于终端设备，所述方法包括：当低层或高层判断满足第一条件和/或第二条件时，低层向高层通知或指示LBT失败，或者，低层开始向高层通知或指示LBT失败；和/或，当低层或高层判断不满足所述第一条件和/或满足第三条件时，低层不向高层通知或指示LBT失败，或者低层停止向高层通知或指示LBT失败。

Description

PCT国内申请，说明书已公开。

Claims (20)

  1. PCT国内申请，权利要求书已公开。
CN202080098279.5A 2020-04-09 2020-04-09 指示lbt失败的方法及装置 Pending CN115245036A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/084072 WO2021203395A1 (zh) 2020-04-09 2020-04-09 指示lbt失败的方法及装置

Publications (1)

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CN115245036A true CN115245036A (zh) 2022-10-25

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CN202080098279.5A Pending CN115245036A (zh) 2020-04-09 2020-04-09 指示lbt失败的方法及装置

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US (1) US20230007693A1 (zh)
JP (1) JP7380907B2 (zh)
CN (1) CN115245036A (zh)
WO (1) WO2021203395A1 (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170142754A1 (en) * 2015-11-12 2017-05-18 Qualcomm Incorporated Lbt interface for logical dtx
CN108476532A (zh) * 2016-02-02 2018-08-31 英特尔Ip公司 随机接入过程期间的先听后说(lbt)失败
CN109863777A (zh) * 2019-01-16 2019-06-07 北京小米移动软件有限公司 Lbt失败的处理方法和lbt失败的处理装置
CN110945949A (zh) * 2017-08-11 2020-03-31 Lg电子株式会社 在无线通信系统中基于lbt过程处置预配置的ul资源的方法及其装置
WO2020061866A1 (zh) * 2018-09-26 2020-04-02 富士通株式会社 Lbt监测失败的处理方法、装置和系统
KR20200035822A (ko) * 2018-09-27 2020-04-06 삼성전자주식회사 비면허 주파수 대역에서 동작하는 차세대 이동통신 시스템에서 기지국이 lbt 실패 정보를 보고하는 방법 및 장치
US20220110153A1 (en) * 2019-02-13 2022-04-07 Nokia Technologies Oy Bandwidth part switching due to lbt failure

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KR102229981B1 (ko) * 2013-09-24 2021-03-19 엘지전자 주식회사 이중 접속의 병렬 랜덤 액세스 절차를 위한 mac 계층 및 phy 계층 사이의 통신
CN107371168A (zh) * 2016-05-12 2017-11-21 电信科学技术研究院 一种非授权频谱中的测量方法和设备
EP3766300A1 (en) * 2018-04-04 2021-01-20 Convida Wireless, LLC Random access with new radio unlicensed cells
CN112369102B (zh) * 2018-06-13 2023-08-11 三星电子株式会社 用于处理定时器操作的方法和无线通信系统
CN109845383B (zh) * 2019-01-18 2023-05-30 北京小米移动软件有限公司 上行传输的发送方法、装置、设备及存储介质

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170142754A1 (en) * 2015-11-12 2017-05-18 Qualcomm Incorporated Lbt interface for logical dtx
CN108476532A (zh) * 2016-02-02 2018-08-31 英特尔Ip公司 随机接入过程期间的先听后说(lbt)失败
CN110945949A (zh) * 2017-08-11 2020-03-31 Lg电子株式会社 在无线通信系统中基于lbt过程处置预配置的ul资源的方法及其装置
WO2020061866A1 (zh) * 2018-09-26 2020-04-02 富士通株式会社 Lbt监测失败的处理方法、装置和系统
US20210212112A1 (en) * 2018-09-26 2021-07-08 Fujitsu Limited Method and apparatus for processing lbt monitoring failures and system
KR20200035822A (ko) * 2018-09-27 2020-04-06 삼성전자주식회사 비면허 주파수 대역에서 동작하는 차세대 이동통신 시스템에서 기지국이 lbt 실패 정보를 보고하는 방법 및 장치
CN109863777A (zh) * 2019-01-16 2019-06-07 北京小米移动软件有限公司 Lbt失败的处理方法和lbt失败的处理装置
US20220110153A1 (en) * 2019-02-13 2022-04-07 Nokia Technologies Oy Bandwidth part switching due to lbt failure

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "R2-1907605 "Update to RACH counters and SR counter when LBT failure"", 3GPP TSG_RAN\\WG2_RL2, no. 2, 3 May 2019 (2019-05-03) *
RAN2, QUALCOMM: "R1-2000156 "LS on consistent Uplink LBT failure detection mechanism"", 3GPP TSG_RAN\\WG1_RL1, no. 1, 6 February 2020 (2020-02-06), pages 1 *
YU ZENG;TING ZHOU;HONGLIN HU;YANG YANG;JINFENG TIAN;ZHENHONG LI;: "Weight Based Channel Selection Towards 5G in the Unlicensed Spectrum", 中国通信, no. 08, 15 August 2018 (2018-08-15) *

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JP2023519163A (ja) 2023-05-10
JP7380907B2 (ja) 2023-11-15
US20230007693A1 (en) 2023-01-05
WO2021203395A1 (zh) 2021-10-14

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