JP7408581B2 - 無線通信システムでランダムアクセスバックオフを行う方法及び装置 - Google Patents

無線通信システムでランダムアクセスバックオフを行う方法及び装置 Download PDF

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Publication number
JP7408581B2
JP7408581B2 JP2020568554A JP2020568554A JP7408581B2 JP 7408581 B2 JP7408581 B2 JP 7408581B2 JP 2020568554 A JP2020568554 A JP 2020568554A JP 2020568554 A JP2020568554 A JP 2020568554A JP 7408581 B2 JP7408581 B2 JP 7408581B2
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random access
backoff
terminal
preamble
criterion
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Japanese (ja)
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JPWO2019245285A5 (https=
JP2021527979A5 (https=
JP2021527979A (ja
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アニル・アギワル
センフン・キム
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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    • 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
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/328—Reference signal received power [RSRP]; Reference signal received quality [RSRQ]
    • 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
    • H04B7/06964—Re-selection of one or more beams after beam failure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/004—Transmission of channel access control information in the uplink, i.e. towards network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/002—Transmission of channel access control information
    • H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
    • 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
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H04W74/085—Random access procedures, e.g. with 4-step access with collision treatment collision avoidance
    • 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
JP2020568554A 2018-06-19 2019-06-19 無線通信システムでランダムアクセスバックオフを行う方法及び装置 Active JP7408581B2 (ja)

Priority Applications (1)

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JP2023215029A JP7714627B2 (ja) 2018-06-19 2023-12-20 無線通信システムでランダムアクセスバックオフを行う方法及び装置

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201862686796P 2018-06-19 2018-06-19
US62/686,796 2018-06-19
PCT/KR2019/007401 WO2019245285A1 (en) 2018-06-19 2019-06-19 Method and apparatus for performing random access backoff in wireless communication system

Related Child Applications (1)

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JP2023215029A Division JP7714627B2 (ja) 2018-06-19 2023-12-20 無線通信システムでランダムアクセスバックオフを行う方法及び装置

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JP2021527979A JP2021527979A (ja) 2021-10-14
JPWO2019245285A5 JPWO2019245285A5 (https=) 2022-06-29
JP2021527979A5 JP2021527979A5 (https=) 2022-06-29
JP7408581B2 true JP7408581B2 (ja) 2024-01-05

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JP2023215029A Active JP7714627B2 (ja) 2018-06-19 2023-12-20 無線通信システムでランダムアクセスバックオフを行う方法及び装置

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US (3) US10993270B2 (https=)
EP (1) EP3794899B1 (https=)
JP (2) JP7408581B2 (https=)
KR (1) KR102833748B1 (https=)
CN (2) CN112385299B (https=)
CA (1) CA3104064A1 (https=)
WO (1) WO2019245285A1 (https=)

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KR102881443B1 (ko) * 2020-04-01 2025-11-06 삼성전자 주식회사 무선 통신 시스템에서 유휴 모드 동작을 위한 방법 및 장치
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CN112188638B (zh) * 2020-09-30 2023-03-14 中国信息通信研究院 一种非竞争随机接入资源指示方法、设备、介质和系统
KR102571049B1 (ko) 2021-05-11 2023-08-28 엘지전자 주식회사 무선 통신 시스템에서 랜덤 액세스 절차 수행 방법 및 장치
KR20240039052A (ko) * 2021-11-03 2024-03-26 엘지전자 주식회사 무선 통신 시스템에서 복제된 데이터 유닛을 측정 갭을 고려하여 전송하기 위한 방법 및 장치
CN115379586B (zh) * 2022-08-22 2025-02-14 上海移芯通信科技股份有限公司 一种随机接入的回退优化方法及装置
CN117715229A (zh) * 2022-09-05 2024-03-15 上海朗帛通信技术有限公司 一种被用于无线通信的通信节点中的方法和装置
CN117676912A (zh) * 2022-09-07 2024-03-08 上海朗帛通信技术有限公司 一种被用于无线通信的通信节点中的方法和装置
CN117750437A (zh) * 2022-09-09 2024-03-22 上海朗帛通信技术有限公司 一种被用于无线通信的通信节点中的方法和装置
WO2024071824A1 (ko) * 2022-09-29 2024-04-04 엘지전자 주식회사 무선 통신 시스템에서 임의 접속을 수행하기 위한 장치 및 방법

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Also Published As

Publication number Publication date
CN112385299A (zh) 2021-02-19
US12526850B2 (en) 2026-01-13
US20190387541A1 (en) 2019-12-19
JP2024019651A (ja) 2024-02-09
JP7714627B2 (ja) 2025-07-29
CN112385299B (zh) 2024-04-05
US10993270B2 (en) 2021-04-27
EP3794899A1 (en) 2021-03-24
CA3104064A1 (en) 2019-12-26
US11737151B2 (en) 2023-08-22
KR20210010842A (ko) 2021-01-28
WO2019245285A1 (en) 2019-12-26
JP2021527979A (ja) 2021-10-14
EP3794899B1 (en) 2025-10-29
US20230397264A1 (en) 2023-12-07
CN118250831A (zh) 2024-06-25
EP3794899A4 (en) 2021-07-14
KR102833748B1 (ko) 2025-07-15
US20210250997A1 (en) 2021-08-12

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