TWI864033B - 支援用於在條件交遞執行期間發起隨機存取的波束選擇的方法、裝置和非暫時性電腦可讀取媒體 - Google Patents

支援用於在條件交遞執行期間發起隨機存取的波束選擇的方法、裝置和非暫時性電腦可讀取媒體 Download PDF

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Publication number
TWI864033B
TWI864033B TW109121799A TW109121799A TWI864033B TW I864033 B TWI864033 B TW I864033B TW 109121799 A TW109121799 A TW 109121799A TW 109121799 A TW109121799 A TW 109121799A TW I864033 B TWI864033 B TW I864033B
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Taiwan
Prior art keywords
random access
target cell
quality threshold
beams
access procedure
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TW109121799A
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English (en)
Chinese (zh)
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TW202106067A (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
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美商高通公司
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Publication of TW202106067A publication Critical patent/TW202106067A/zh
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Publication of TWI864033B publication Critical patent/TWI864033B/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
    • H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
    • 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
    • H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
    • 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
    • H04W36/0077—Transmission or use of information for re-establishing the radio link of access information of target access point
    • 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
    • H04W36/0088—Scheduling hand-off measurements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points
    • 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
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • 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
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
    • 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
    • H04W74/02—Hybrid 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
TW109121799A 2019-06-26 2020-06-29 支援用於在條件交遞執行期間發起隨機存取的波束選擇的方法、裝置和非暫時性電腦可讀取媒體 TWI864033B (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201962867115P 2019-06-26 2019-06-26
US62/867,115 2019-06-26
US16/910,604 2020-06-24
US16/910,604 US11711793B2 (en) 2019-06-26 2020-06-24 Beam selection for initiating random access during conditional handover execution

Publications (2)

Publication Number Publication Date
TW202106067A TW202106067A (zh) 2021-02-01
TWI864033B true TWI864033B (zh) 2024-12-01

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TW109121799A TWI864033B (zh) 2019-06-26 2020-06-29 支援用於在條件交遞執行期間發起隨機存取的波束選擇的方法、裝置和非暫時性電腦可讀取媒體

Country Status (9)

Country Link
US (1) US11711793B2 (https=)
EP (1) EP3991470B1 (https=)
JP (1) JP7577695B2 (https=)
KR (1) KR102908122B1 (https=)
CN (1) CN114026916B (https=)
AU (1) AU2020301426B2 (https=)
BR (1) BR112021025412A2 (https=)
TW (1) TWI864033B (https=)
WO (1) WO2020264097A1 (https=)

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JP7319962B2 (ja) * 2017-08-10 2023-08-02 アイピーエルエー ホールディングス インコーポレイテッド 新無線におけるコネクテッドモードのモビリティ
CN112351462B (zh) * 2019-08-09 2021-12-24 华为技术有限公司 切换方法、通信装置和终端设备
US11399326B2 (en) * 2019-08-12 2022-07-26 Samsung Electronics Co., Ltd. Methods and systems for handling conditional handover (CHO) in a wireless communication network
EP4055885A1 (en) * 2019-11-07 2022-09-14 Ofinno, LLC Conditional handover configurations of multiple beams of a cell
WO2021204212A1 (en) * 2020-04-07 2021-10-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method and user equipment for adjusting cell measurement
EP4144128A1 (en) * 2020-04-30 2023-03-08 Nokia Solutions and Networks Oy Conditional handover with beamforming and son information
US11690131B2 (en) * 2020-08-06 2023-06-27 Ofinno, Llc Beam failure management for preconfigured resource in RRC inactive state
EP4287703A4 (en) * 2021-01-27 2024-11-13 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE FOR CARRYING OUT A TRANSFER AND OPERATING METHOD THEREFOR
JP7731726B2 (ja) * 2021-08-04 2025-09-01 株式会社Soken 通信装置、基地局及び通信方法
KR20240056714A (ko) * 2021-09-17 2024-04-30 엘지전자 주식회사 무선통신 시스템에서 장치의 빔 관련 동작 방법 및 장치
CN117318776A (zh) * 2022-06-20 2023-12-29 联发科技（新加坡）私人有限公司 前端选择控制方法和用户设备
CN117812656A (zh) * 2022-09-30 2024-04-02 大唐移动通信设备有限公司 小区切换方法、终端、网络设备、装置和存储介质
CN121220171A (zh) * 2023-06-01 2025-12-26 诺基亚技术有限公司 无竞争随机接入前导码资源的分配
WO2025030455A1 (en) * 2023-08-10 2025-02-13 Qualcomm Incorporated Techniques for monitoring random access responses for contention free random access
WO2026019138A1 (en) * 2024-07-17 2026-01-22 Lg Electronics Inc. Indicating execution of conditional mobility

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Also Published As

Publication number Publication date
US20200413392A1 (en) 2020-12-31
US11711793B2 (en) 2023-07-25
AU2020301426B2 (en) 2025-09-25
BR112021025412A2 (pt) 2022-02-01
JP2022538565A (ja) 2022-09-05
WO2020264097A1 (en) 2020-12-30
CN114026916A (zh) 2022-02-08
KR20220024084A (ko) 2022-03-03
KR102908122B1 (ko) 2026-01-05
EP3991470A1 (en) 2022-05-04
TW202106067A (zh) 2021-02-01
CN114026916B (zh) 2024-05-21
JP7577695B2 (ja) 2024-11-05
AU2020301426A1 (en) 2022-01-06
EP3991470B1 (en) 2025-06-11

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