JP7489976B2 - 無線バックホールにおいて冗長リンクを使用するための方法及び装置 - Google Patents

無線バックホールにおいて冗長リンクを使用するための方法及び装置 Download PDF

Info

Publication number
JP7489976B2
JP7489976B2 JP2021523775A JP2021523775A JP7489976B2 JP 7489976 B2 JP7489976 B2 JP 7489976B2 JP 2021523775 A JP2021523775 A JP 2021523775A JP 2021523775 A JP2021523775 A JP 2021523775A JP 7489976 B2 JP7489976 B2 JP 7489976B2
Authority
JP
Japan
Prior art keywords
node
radio
radio access
message
iab
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2021523775A
Other languages
English (en)
Japanese (ja)
Other versions
JP2022506412A (ja
JPWO2020090987A5 (https=
JP2022506412A5 (https=
Inventor
厚史 石井
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.)
FG Innovation Co Ltd
Original Assignee
FG Innovation 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 FG Innovation Co Ltd filed Critical FG Innovation Co Ltd
Publication of JP2022506412A publication Critical patent/JP2022506412A/ja
Publication of JPWO2020090987A5 publication Critical patent/JPWO2020090987A5/ja
Publication of JP2022506412A5 publication Critical patent/JP2022506412A5/ja
Application granted granted Critical
Publication of JP7489976B2 publication Critical patent/JP7489976B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment
    • 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
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/18—Management of setup rejection or failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/10—Interfaces between hierarchically different network devices between terminal device and access point, i.e. wireless air interface
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/085—Access point devices with remote components

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2021523775A 2018-10-31 2019-10-31 無線バックホールにおいて冗長リンクを使用するための方法及び装置 Active JP7489976B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862753715P 2018-10-31 2018-10-31
US62/753,715 2018-10-31
PCT/JP2019/042851 WO2020090987A1 (en) 2018-10-31 2019-10-31 Methods and apparatus for using redundant links in wireless backhaul

Publications (4)

Publication Number Publication Date
JP2022506412A JP2022506412A (ja) 2022-01-17
JPWO2020090987A5 JPWO2020090987A5 (https=) 2022-08-10
JP2022506412A5 JP2022506412A5 (https=) 2022-08-10
JP7489976B2 true JP7489976B2 (ja) 2024-05-24

Family

ID=70462625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021523775A Active JP7489976B2 (ja) 2018-10-31 2019-10-31 無線バックホールにおいて冗長リンクを使用するための方法及び装置

Country Status (6)

Country Link
US (1) US11903070B2 (https=)
EP (1) EP3874864A4 (https=)
JP (1) JP7489976B2 (https=)
KR (1) KR20210078558A (https=)
CN (1) CN113056946B (https=)
WO (1) WO2020090987A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3925171A1 (en) * 2019-02-13 2021-12-22 Telefonaktiebolaget LM Ericsson (publ) Efficient backhaul-link failure recovery in integrated access backhaul (iab) networks
WO2020165278A1 (en) * 2019-02-13 2020-08-20 Telefonaktiebolaget Lm Ericsson (Publ) Using alternative paths of descendant nodes for backhaul-link failure reporting in integrated access
WO2020167024A1 (en) * 2019-02-15 2020-08-20 Lg Electronics Inc. Method and apparatus for backhaul status reporting in wireless communication system
JP7438194B2 (ja) * 2019-03-29 2024-02-26 本田技研工業株式会社 中継装置及び通信方法
WO2021031000A1 (en) * 2019-08-16 2021-02-25 Nokia Shanghai Bell Co., Ltd. Apparatus, method, and computer program
WO2021062586A1 (zh) * 2019-09-30 2021-04-08 华为技术有限公司 一种通信方法及装置
WO2021090687A1 (ja) * 2019-11-07 2021-05-14 京セラ株式会社 通信制御方法及び無線中継装置
DE112020006488T5 (de) * 2020-01-10 2022-11-17 Sony Group Corporation Verfahren, Infrastrukturgerät und drahtlose Kommunikationsnetze
JP7483864B2 (ja) * 2020-04-09 2024-05-15 京セラ株式会社 通信制御方法、中継ノード、移動通信システム、チップセット及びプログラム
WO2021235499A1 (ja) * 2020-05-20 2021-11-25 京セラ株式会社 通信制御方法
US12041467B2 (en) * 2020-05-22 2024-07-16 Qualcomm Incorporated Delayed reconfiguration in wireless systems
EP4176611A2 (en) * 2020-06-10 2023-05-10 Telefonaktiebolaget LM ERICSSON (PUBL) Method for connecting an integrated access backhaul node to operation and maintenance system
CN115997413B (zh) * 2020-06-26 2025-11-14 瑞典爱立信有限公司 Cu间迁移中的iab节点切换
US11968578B2 (en) * 2020-06-29 2024-04-23 Qualcomm Incorporated Techniques for associating integrated access and backhaul (IAB) nodes with different upstream nodes
CN121357619A (zh) 2020-08-04 2026-01-16 北京三星通信技术研究有限公司 通信网络中的节点及其方法
WO2022081845A2 (en) * 2020-10-15 2022-04-21 Idac Holdings, Inc. Methods, apparatuses, architectures and systems for handling link degradation and/or link failure in an integrated access and backhaul (iab) network
JP7498359B2 (ja) * 2020-10-22 2024-06-11 中興通訊股▲ふん▼有限公司 無線通信におけるシグナリング交換スキーム
US12520219B2 (en) 2020-12-28 2026-01-06 Nec Corporation Methods, devices, and computer readable medium for communication
WO2022201004A1 (en) * 2021-03-22 2022-09-29 Telefonaktiebolaget Lm Ericsson (Publ) Methods for enabling inter-donor routing in iab networks
EP4369792A4 (en) * 2021-08-04 2024-10-16 Huawei Technologies Co., Ltd. ROUTING METHOD AND COMMUNICATION APPARATUS
JP7606009B2 (ja) * 2021-10-19 2024-12-24 京セラ株式会社 通信制御方法、中継ノード、セルラ通信システム、チップセット、及びプログラム
WO2023141755A1 (en) * 2022-01-25 2023-08-03 Lenovo (Beijing) Limited Method and apparatus for communication in an iab network
GB2616261A (en) * 2022-03-01 2023-09-06 Nec Corp Communication system
WO2024039278A1 (en) * 2022-08-18 2024-02-22 Telefonaktiebolaget Lm Ericsson (Publ) Multiple rlf detections for l1/l2 inter-cell mobility
WO2024171948A1 (ja) * 2023-02-13 2024-08-22 京セラ株式会社 通信方法、ユーザ装置、及びネットワークノード
TWI855933B (zh) * 2023-11-30 2024-09-11 四零四科技股份有限公司 多跳式無線網路系統、維護樹狀網路拓撲的方法及第一成員節點

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9271204B2 (en) * 2008-11-17 2016-02-23 Qualcomm Incorporated Mobility management based on radio link failure reporting
US10075279B2 (en) 2013-11-25 2018-09-11 Lg Electronics Inc. Method for deactivating secondary cells by a base station and device therefor
US10306695B2 (en) * 2014-01-31 2019-05-28 Qualcomm Incorporated Procedures for managing secondary eNB (SeNB) radio link failure (S-RLF) in dual connectivity scenarios
US10448386B2 (en) * 2017-01-06 2019-10-15 Kt Corporation Method and apparatus for controlling redundant data transmission
US10601535B2 (en) * 2017-03-24 2020-03-24 Lg Electronics Inc. Method for performing SCG re-establishment in dual connectivity in wireless communication system and a device therefor
CA3029818A1 (en) * 2018-01-11 2019-07-11 Comcast Cable Communications, Llc Connection failure reporting
US11039366B2 (en) * 2018-04-23 2021-06-15 Lg Electronics Inc. Method and apparatus for reselecting path for IAB relaying in wireless communication system
CN110636583B (zh) * 2018-06-21 2021-08-13 华为技术有限公司 路径变更方法及装置
US11700565B2 (en) * 2018-09-18 2023-07-11 Qualcomm Incorporated Management of radio link failure in wireless backhaul
US11076306B2 (en) * 2018-09-21 2021-07-27 Qualcomm Incorporated Relay nodes with multi-connected cellular backhaul

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Lenovo, Motorola Mobility，Radio link failure in backhaul link，3GPP TSG-RAN WG2 Meeting #103bis R2-1814501，2018年09月28日，pp.1-3
ZTE，Discussion on IAB link switch and topology adaptation，3GPP TSG-RAN WG3#101 R3-184760，2018年08月10日，pp.1-6

Also Published As

Publication number Publication date
JP2022506412A (ja) 2022-01-17
EP3874864A4 (en) 2022-07-27
CN113056946A (zh) 2021-06-29
US20220015176A1 (en) 2022-01-13
KR20210078558A (ko) 2021-06-28
WO2020090987A1 (en) 2020-05-07
US11903070B2 (en) 2024-02-13
EP3874864A1 (en) 2021-09-08
CN113056946B (zh) 2025-04-15

Similar Documents

Publication Publication Date Title
JP7489976B2 (ja) 無線バックホールにおいて冗長リンクを使用するための方法及び装置
CN113785615B (zh) 无线中继网络的条件切换
WO2020090988A1 (en) Methods and apparatus for using conditional handovers for wireless backhaul
CN113796115B (zh) 无线中继网络的故障信息
CN113439453B (zh) 无线中继节点、无线终端以及方法
US12610418B2 (en) Updating radio resource control connections in IAB network
CN112740744B (zh) 用于处理无线中继网络中的无线电链路失败的系统、设备和方法
WO2021220937A1 (en) Enhanced conditional handover procedures in iab networks
KR102809567B1 (ko) 무선 릴레이 네트워크들에서 셀 바링을 위한 방법들 및 장치
WO2020153274A1 (en) Cell selection on a radio link failure in wireless relay networks
CN112703773A (zh) 用于集成接入和回程中由于无线电链路故障而经由另选路由进行连接重建的系统、设备和方法
WO2021161880A1 (en) Rrc update procedures in iab networks
JP7636554B2 (ja) Ｓｌリレーの場合の障害監視および回復機構

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220802

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220802

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231031

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240130

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20240423

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240514

R150 Certificate of patent or registration of utility model

Ref document number: 7489976

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350