CN118250831A - 在无线通信系统中执行随机接入回退的方法和装置 - Google Patents

在无线通信系统中执行随机接入回退的方法和装置 Download PDF

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Publication number
CN118250831A
CN118250831A CN202410420006.8A CN202410420006A CN118250831A CN 118250831 A CN118250831 A CN 118250831A CN 202410420006 A CN202410420006 A CN 202410420006A CN 118250831 A CN118250831 A CN 118250831A
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CN
China
Prior art keywords
random access
message
window
procedure
radio frame
Prior art date
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Pending
Application number
CN202410420006.8A
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English (en)
Chinese (zh)
Inventor
A·阿吉瓦尔
金成勋
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Filing date
Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CN118250831A publication Critical patent/CN118250831A/zh
Pending legal-status Critical Current

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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)
CN202410420006.8A 2018-06-19 2019-06-19 在无线通信系统中执行随机接入回退的方法和装置 Pending CN118250831A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862686796P 2018-06-19 2018-06-19
US62/686,796 2018-06-19
CN201980040438.3A CN112385299B (zh) 2018-06-19 2019-06-19 在无线通信系统中执行随机接入回退的方法和装置
PCT/KR2019/007401 WO2019245285A1 (en) 2018-06-19 2019-06-19 Method and apparatus for performing random access backoff in wireless communication system

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201980040438.3A Division CN112385299B (zh) 2018-06-19 2019-06-19 在无线通信系统中执行随机接入回退的方法和装置

Publications (1)

Publication Number Publication Date
CN118250831A true CN118250831A (zh) 2024-06-25

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CN202410420006.8A Pending CN118250831A (zh) 2018-06-19 2019-06-19 在无线通信系统中执行随机接入回退的方法和装置
CN201980040438.3A Active CN112385299B (zh) 2018-06-19 2019-06-19 在无线通信系统中执行随机接入回退的方法和装置

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Country Link
US (3) US10993270B2 (enExample)
EP (1) EP3794899B1 (enExample)
JP (2) JP7408581B2 (enExample)
KR (1) KR102833748B1 (enExample)
CN (2) CN118250831A (enExample)
CA (1) CA3104064A1 (enExample)
WO (1) WO2019245285A1 (enExample)

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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
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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
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Also Published As

Publication number Publication date
CN112385299B (zh) 2024-04-05
KR102833748B1 (ko) 2025-07-15
US20210250997A1 (en) 2021-08-12
US20230397264A1 (en) 2023-12-07
US12526850B2 (en) 2026-01-13
US10993270B2 (en) 2021-04-27
KR20210010842A (ko) 2021-01-28
JP7408581B2 (ja) 2024-01-05
CA3104064A1 (en) 2019-12-26
US20190387541A1 (en) 2019-12-19
JP2024019651A (ja) 2024-02-09
WO2019245285A1 (en) 2019-12-26
JP7714627B2 (ja) 2025-07-29
JP2021527979A (ja) 2021-10-14
EP3794899A1 (en) 2021-03-24
US11737151B2 (en) 2023-08-22
EP3794899B1 (en) 2025-10-29
CN112385299A (zh) 2021-02-19
EP3794899A4 (en) 2021-07-14

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