BR112021025412A2 - Seleção de feixes para iniciar um acesso aleatório durante execução de handover condicional - Google Patents

Seleção de feixes para iniciar um acesso aleatório durante execução de handover condicional

Info

Publication number
BR112021025412A2
BR112021025412A2 BR112021025412A BR112021025412A BR112021025412A2 BR 112021025412 A2 BR112021025412 A2 BR 112021025412A2 BR 112021025412 A BR112021025412 A BR 112021025412A BR 112021025412 A BR112021025412 A BR 112021025412A BR 112021025412 A2 BR112021025412 A2 BR 112021025412A2
Authority
BR
Brazil
Prior art keywords
random access
quality threshold
conditional handover
cho
rach
Prior art date
Application number
BR112021025412A
Other languages
English (en)
Portuguese (pt)
Inventor
Karthika Paladugu
Ozcan Ozturk
Punyaslok Purkayastha
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112021025412A2 publication Critical patent/BR112021025412A2/pt

Links

Classifications

    • 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
    • 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
    • H04W36/0083—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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112021025412A 2019-06-26 2020-06-25 Seleção de feixes para iniciar um acesso aleatório durante execução de handover condicional BR112021025412A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962867115P 2019-06-26 2019-06-26
US16/910,604 US11711793B2 (en) 2019-06-26 2020-06-24 Beam selection for initiating random access during conditional handover execution
PCT/US2020/039530 WO2020264097A1 (en) 2019-06-26 2020-06-25 Beam selection for initiating random access during conditional handover execution

Publications (1)

Publication Number Publication Date
BR112021025412A2 true BR112021025412A2 (pt) 2022-02-01

Family

ID=74044895

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021025412A BR112021025412A2 (pt) 2019-06-26 2020-06-25 Seleção de feixes para iniciar um acesso aleatório durante execução de handover condicional

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=)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5277246B2 (ja) * 2007-07-16 2013-08-28 ノーテル・ネットワークス・リミテッド 無線ネットワークでの空間分割多重アクセスの提供
US9155014B2 (en) * 2008-11-17 2015-10-06 Qualcomm Incorporated Conditional access terminal initiation of delayed handover
US10757621B2 (en) * 2017-03-22 2020-08-25 Ofinno, Llc Conditional handover execution
CN120529373A (zh) * 2017-03-22 2025-08-22 交互数字专利控股公司 一种wtru及其执行的方法
EP4465551A3 (en) * 2017-08-09 2025-05-07 InterDigital Patent Holdings, Inc. Methods and systems for beam recovery and management
US20200084683A1 (en) 2017-11-16 2020-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Target Link Ranking in a Wireless Communication Network
CN111418226B (zh) * 2017-11-28 2024-04-26 瑞典爱立信有限公司 用于无线通信的触发测量报告
WO2019141898A1 (en) * 2018-01-19 2019-07-25 Nokia Technologies Oy Beam failure recovery
WO2020197176A1 (en) * 2019-03-26 2020-10-01 Lg Electronics Inc. Method and apparatus for mobility in wireless communication system
US11438931B2 (en) * 2019-03-28 2022-09-06 Ofinno, Llc Selecting a random access procedure type in a wireless system

Also Published As

Publication number Publication date
US20200413392A1 (en) 2020-12-31
TWI864033B (zh) 2024-12-01
US11711793B2 (en) 2023-07-25
AU2020301426B2 (en) 2025-09-25
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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