KR102833748B1 - 무선 통신 시스템에서 랜덤 액세스 백오프를 수행하는 방법 및 장치 - Google Patents

무선 통신 시스템에서 랜덤 액세스 백오프를 수행하는 방법 및 장치

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Publication number
KR102833748B1
KR102833748B1 KR1020207027446A KR20207027446A KR102833748B1 KR 102833748 B1 KR102833748 B1 KR 102833748B1 KR 1020207027446 A KR1020207027446 A KR 1020207027446A KR 20207027446 A KR20207027446 A KR 20207027446A KR 102833748 B1 KR102833748 B1 KR 102833748B1
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South Korea
Prior art keywords
random access
backoff
contention
criterion
backoff time
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KR1020207027446A
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English (en)
Korean (ko)
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KR20210010842A (ko
Inventor
아닐 에기월
김성훈
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삼성전자 주식회사
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Classifications

    • 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

Landscapes

  • 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)
KR1020207027446A 2018-06-19 2019-06-19 무선 통신 시스템에서 랜덤 액세스 백오프를 수행하는 방법 및 장치 Active KR102833748B1 (ko)

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

Publications (2)

Publication Number Publication Date
KR20210010842A KR20210010842A (ko) 2021-01-28
KR102833748B1 true KR102833748B1 (ko) 2025-07-15

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KR1020207027446A Active KR102833748B1 (ko) 2018-06-19 2019-06-19 무선 통신 시스템에서 랜덤 액세스 백오프를 수행하는 방법 및 장치

Country Status (7)

Country Link
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
WO2022071755A1 (ko) * 2020-09-29 2022-04-07 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
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
JP7408581B2 (ja) 2024-01-05
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
US20210250997A1 (en) 2021-08-12

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