CA3104064A1 - Method and apparatus for performing random access backoff in wireless communication system - Google Patents

Method and apparatus for performing random access backoff in wireless communication system Download PDF

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Publication number
CA3104064A1
CA3104064A1 CA3104064A CA3104064A CA3104064A1 CA 3104064 A1 CA3104064 A1 CA 3104064A1 CA 3104064 A CA3104064 A CA 3104064A CA 3104064 A CA3104064 A CA 3104064A CA 3104064 A1 CA3104064 A1 CA 3104064A1
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CA
Canada
Prior art keywords
random access
backoff
met
criterion
case
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CA3104064A
Other languages
English (en)
French (fr)
Inventor
Anil Agiwal
Soenghun Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CA3104064A1 publication Critical patent/CA3104064A1/en
Pending legal-status Critical Current

Links

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)
CA3104064A 2018-06-19 2019-06-19 Method and apparatus for performing random access backoff in wireless communication system Pending CA3104064A1 (en)

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 (1)

Publication Number Publication Date
CA3104064A1 true CA3104064A1 (en) 2019-12-26

Family

ID=68840620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3104064A Pending CA3104064A1 (en) 2018-06-19 2019-06-19 Method and apparatus for performing random access backoff in wireless communication system

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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US12309831B2 (en) * 2017-06-16 2025-05-20 Qualcomm Incorporated Differentiated random access in new radio
CN116095872B (zh) * 2017-12-22 2023-09-08 夏普株式会社 无线通信设备
CN110621079B (zh) * 2018-06-19 2021-04-13 维沃移动通信有限公司 随机接入资源的选择方法及终端设备
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US11611998B2 (en) 2020-01-10 2023-03-21 Samsung Electronics Co., Ltd. Apparatus and method of random access procedure
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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
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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
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US12232167B2 (en) * 2019-10-02 2025-02-18 Qualcomm Incorporated Wireless communication using multiple types of random access occasions

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
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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