TWI833917B - 無線通訊中的條件交遞（cho）取消配置和失敗處理 - Google Patents

無線通訊中的條件交遞（cho）取消配置和失敗處理 Download PDF

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Publication number
TWI833917B
TWI833917B TW109106900A TW109106900A TWI833917B TW I833917 B TWI833917 B TW I833917B TW 109106900 A TW109106900 A TW 109106900A TW 109106900 A TW109106900 A TW 109106900A TW I833917 B TWI833917 B TW I833917B
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TW
Taiwan
Prior art keywords
base station
target base
conditional handover
handover
conditional
Prior art date
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TW109106900A
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English (en)
Chinese (zh)
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TW202046768A (zh
Inventor
彭亞斯洛克 普爾卡雅薩
卡辛卡 帕拉杜古
歐茲肯 歐茲圖爾克
拉賈特 普拉卡西
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美商高通公司
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Publication of TW202046768A publication Critical patent/TW202046768A/zh
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Publication of TWI833917B publication Critical patent/TWI833917B/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837—Determination of triggering parameters for hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085—Hand-off measurements
    • H04W36/0094—Definition of hand-off measurement parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00838—Resource reservation for handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/083—Reselecting an access point wherein at least one of the access points is a moving node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/249—Reselection being triggered by specific parameters according to timing information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment
    • H04W36/362—Conditional handover
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0838—Random access procedures, e.g. with 4-step access using contention-free random access [CFRA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
TW109106900A 2019-05-02 2020-03-03 無線通訊中的條件交遞（cho）取消配置和失敗處理 TWI833917B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962842330P 2019-05-02 2019-05-02
US62/842,330 2019-05-02
US16/805,347 US11012904B2 (en) 2019-05-02 2020-02-28 Conditional handover (CHO) deconfiguration and failure handling in wireless communications
US16/805,347 2020-02-28

Publications (2)

Publication Number Publication Date
TW202046768A TW202046768A (zh) 2020-12-16
TWI833917B true TWI833917B (zh) 2024-03-01

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TW109106900A TWI833917B (zh) 2019-05-02 2020-03-03 無線通訊中的條件交遞（cho）取消配置和失敗處理

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Country Link
US (4) US11012904B2 (enExample)
EP (2) EP4462877A3 (enExample)
JP (2) JP7585232B2 (enExample)
KR (1) KR20220002919A (enExample)
CN (1) CN113748709A (enExample)
AU (1) AU2020266435B2 (enExample)
PH (1) PH12021552401A1 (enExample)
SG (1) SG11202110474RA (enExample)
TW (1) TWI833917B (enExample)
WO (1) WO2020222904A1 (enExample)

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US20240381212A1 (en) * 2021-08-05 2024-11-14 Nokia Technologies Oy Apparatus comprising at least one processor
EP4454336A1 (en) * 2021-12-21 2024-10-30 Nokia Technologies Oy Ue positioning/location assisted conditional handover
KR20240125548A (ko) * 2021-12-21 2024-08-19 레노보(베이징)리미티드 무선 통신 방법 및 장치
CN118489271A (zh) * 2022-01-18 2024-08-13 Oppo广东移动通信有限公司 通信方法、终端设备及网络设备
MX2024008935A (es) * 2022-01-20 2024-07-29 Lenovo Beijing Ltd Metodos y aparatos de una gestion de enlaces y movilidad para la agregacion del ul.
US12477416B2 (en) * 2022-07-12 2025-11-18 Qualcomm Incorporated Selection of an energy-saving cell for conditional handover
WO2024065673A1 (en) * 2022-09-30 2024-04-04 Apple Inc. Systems, methods, and devices for enhanced air-to-ground (atg) handover
CN116390181B (zh) * 2023-06-07 2023-09-15 武汉世炬信息技术有限公司 用户终端切换通信小区的切换方法及系统
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EP3963943B1 (en) 2024-08-07
JP2022530638A (ja) 2022-06-30
US12464568B2 (en) 2025-11-04
SG11202110474RA (en) 2021-11-29
AU2020266435A1 (en) 2021-11-04
KR20220002919A (ko) 2022-01-07
EP4462877A3 (en) 2025-03-26
CN113748709A (zh) 2021-12-03
JP7585232B2 (ja) 2024-11-18
US20260019890A1 (en) 2026-01-15
AU2020266435B2 (en) 2025-05-22
US11012904B2 (en) 2021-05-18
PH12021552401A1 (en) 2022-11-14
US20210282061A1 (en) 2021-09-09
EP3963943C0 (en) 2024-08-07
US20200351734A1 (en) 2020-11-05
EP3963943A1 (en) 2022-03-09
BR112021020583A2 (pt) 2021-12-07
WO2020222904A1 (en) 2020-11-05
US20240049078A1 (en) 2024-02-08
EP4462877A2 (en) 2024-11-13
US11849360B2 (en) 2023-12-19
TW202046768A (zh) 2020-12-16
JP2025013457A (ja) 2025-01-24

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