CN111684840A - 中继系统同步方法、装置、计算机设备及存储介质 - Google Patents

中继系统同步方法、装置、计算机设备及存储介质 Download PDF

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Publication number
CN111684840A
CN111684840A CN201880088454.5A CN201880088454A CN111684840A CN 111684840 A CN111684840 A CN 111684840A CN 201880088454 A CN201880088454 A CN 201880088454A CN 111684840 A CN111684840 A CN 111684840A
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China
Prior art keywords
time
node
slot boundary
timing advance
relay
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CN201880088454.5A
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CN111684840B (zh
Inventor
卢前溪
林晖闵
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations

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

Abstract

本发明公开了中继系统同步方法、装置、计算机设备及存储介质，其中方法可包括：中继节点确定第一时隙边界；中继节点按照发送给子节点的下行数据的第二时隙边界与第一时隙边界时间对齐的方式，向子节点发送下行数据；另外，中继节点至少根据以下信息确定出第一定时提前量：中继节点向父节点发送上行数据的第二定时提前量以及中继节点与子节点之间的传输时延；中继节点将第一定时提前量发送给子节点，第一定时提前量用于子节点确定向中继节点发送上行数据的发送时间。应用本发明所述方案，能够提升系统性能等。

Description

PCT国内申请，说明书已公开。

Claims (38)

  1. PCT国内申请，权利要求书已公开。
CN201880088454.5A 2018-05-11 2018-05-11 中继系统同步方法、装置、计算机设备及存储介质 Active CN111684840B (zh)

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US (2) US11317368B2 (zh)
EP (1) EP3793270B1 (zh)
JP (1) JP7125511B6 (zh)
KR (1) KR102395264B1 (zh)
CN (1) CN111684840B (zh)
AU (1) AU2018422635B2 (zh)
TW (1) TW201947976A (zh)
WO (1) WO2019213940A1 (zh)

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CN115004781A (zh) * 2022-04-29 2022-09-02 北京小米移动软件有限公司 传输定时调整方法、装置及存储介质
WO2023010278A1 (zh) * 2021-08-03 2023-02-09 Oppo广东移动通信有限公司 无线通信方法及装置

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AU2018422635B2 (en) * 2018-05-11 2022-02-24 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Relay system synchronization method and apparatus, and computer device and storage medium
US11399410B2 (en) * 2018-07-09 2022-07-26 Qualcomm Incorporated Techniques for controlling timing of downstream nodes in wireless communications

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WO2023010278A1 (zh) * 2021-08-03 2023-02-09 Oppo广东移动通信有限公司 无线通信方法及装置
CN115004781A (zh) * 2022-04-29 2022-09-02 北京小米移动软件有限公司 传输定时调整方法、装置及存储介质
CN115004781B (zh) * 2022-04-29 2024-01-30 北京小米移动软件有限公司 传输定时调整方法、装置及存储介质

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AU2018422635B2 (en) 2022-02-24
WO2019213940A1 (zh) 2019-11-14
TW201947976A (zh) 2019-12-16
CN111684840B (zh) 2022-09-27
EP3793270A1 (en) 2021-03-17
AU2018422635A1 (en) 2020-11-26
JP7125511B6 (ja) 2022-10-03
EP3793270B1 (en) 2022-10-12
US11706728B2 (en) 2023-07-18
JP2021521727A (ja) 2021-08-26
KR20200140888A (ko) 2020-12-16
KR102395264B1 (ko) 2022-05-04
JP7125511B2 (ja) 2022-08-24
US20220217667A1 (en) 2022-07-07
EP3793270A4 (en) 2021-05-26
US11317368B2 (en) 2022-04-26
US20210058883A1 (en) 2021-02-25

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