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
Authority
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 (enExample)
EP (1) EP3794899B1 (enExample)
JP (2) JP7408581B2 (enExample)
KR (1) KR102833748B1 (enExample)
CN (2) CN112385299B (enExample)
CA (1) CA3104064A1 (enExample)
WO (1) WO2019245285A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220346138A1 (en) * 2019-10-02 2022-10-27 Qualcomm Incorporated Wireless communication using multiple types of random access occasions

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102434225B1 (ko) * 2017-06-16 2022-08-19 삼성전자 주식회사 차세대 이동 통신 시스템에서 안테나빔별 망혼잡을 제어하는 방법 및 장치
US12309831B2 (en) * 2017-06-16 2025-05-20 Qualcomm Incorporated Differentiated random access in new radio
CN117596694A (zh) * 2017-12-22 2024-02-23 夏普株式会社 无线通信方法和设备
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
EP3874847B1 (en) * 2018-11-01 2023-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatuses for mobile-terminated early data transmission signalling
WO2020164035A1 (en) * 2019-02-14 2020-08-20 Qualcomm Incorporated Prioritization of random access procedures
WO2021068119A1 (en) 2019-10-09 2021-04-15 Qualcomm Incorporated Two-step random access channel signaling
US11611998B2 (en) * 2020-01-10 2023-03-21 Samsung Electronics Co., Ltd. Apparatus and method of random access procedure
CN115053621A (zh) 2020-02-07 2022-09-13 鸿颖创新有限公司 用于处理随机接入操作的无线通信方法和用户设备
EP4351260A3 (en) * 2020-02-07 2024-07-03 Samsung Electronics Co., Ltd. Method and apparatus for random access preamble group selection in wireless communication system
CN115088377B (zh) * 2020-02-12 2025-05-02 三星电子株式会社 用于无线通信系统中的随机接入过程的方法和装置
EP4070581B1 (en) * 2020-02-21 2024-07-10 Nokia Technologies Oy Determination of contention resolution timer
KR102881443B1 (ko) * 2020-04-01 2025-11-06 삼성전자 주식회사 무선 통신 시스템에서 유휴 모드 동작을 위한 방법 및 장치
US20230337287A1 (en) * 2020-09-29 2023-10-19 Lg Electronics Inc. Method and apparatus for transmitting and receiving wireless signal in wireless communication system
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
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

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133432B2 (en) * 2001-10-17 2006-11-07 Motorola, Inc. Collision mitigation methods used in a communication system
GB2461158B (en) * 2008-06-18 2011-03-02 Lg Electronics Inc Method for performing random access procedures and terminal therof
KR100949972B1 (ko) 2009-01-02 2010-03-29 엘지전자 주식회사 단말의 임의접속 수행 기법
US8285298B2 (en) * 2009-12-23 2012-10-09 At&T Mobility Ii Llc Chromatic scheduler for network traffic with disparate service requirements
EP2756729B1 (en) 2011-09-16 2019-02-20 Telefonaktiebolaget LM Ericsson (publ) Improved contention-free random access procedure in wireless networks
CN104756586B (zh) * 2012-10-23 2018-11-27 Lg电子株式会社 在无线通信系统中执行退避的方法和设备
CN107006037A (zh) * 2014-10-03 2017-08-01 瑞典爱立信有限公司 在多载波场景中处理物理随机接入信道传输
US10338191B2 (en) * 2014-10-30 2019-07-02 Bastille Networks, Inc. Sensor mesh and signal transmission architectures for electromagnetic signature analysis
US20170265230A1 (en) 2016-03-14 2017-09-14 Futurewei Technologies, Inc. System and Method for Random Access Backoffs
EP3469758B1 (en) * 2016-06-08 2021-08-04 Telefonaktiebolaget LM Ericsson (publ) Method for providing contention-free random access resources for nb-iot
US10136255B2 (en) * 2016-12-08 2018-11-20 At&T Intellectual Property I, L.P. Method and apparatus for proximity sensing on a communication device
KR20230141923A (ko) * 2017-03-24 2023-10-10 모토로라 모빌리티 엘엘씨 무선 통신 네트워크 상에서의 랜덤 액세스를 위한 방법 및 장치
CN110999506B (zh) * 2017-06-14 2023-04-28 交互数字专利控股公司 未许可频谱中的rach过程
US11245565B2 (en) * 2017-08-09 2022-02-08 Lenovo (Singapore) Pte. Ltd. Method and apparatus for selecting an antenna port using received antenna port specific adjustments
CN109391293B (zh) * 2017-08-11 2022-01-14 华为技术有限公司 一种信号加扰、解扰方法及装置
TWI691227B (zh) * 2017-12-13 2020-04-11 華碩電腦股份有限公司 無線通訊系統中在隨機存取過程期間處理ｂｗｐ非活動中計時器的方法和設備
PL3866376T3 (pl) * 2018-01-09 2023-02-20 Beijing Xiaomi Mobile Software Co., Ltd. Procesy warstwy fizycznej i mac w urządzeniu bezprzewodowym
EP4195837A3 (en) * 2018-01-09 2023-09-20 Comcast Cable Communications, LLC Beam selection in beam failure recovery request retransmission
CN111699731B (zh) * 2018-01-12 2023-11-17 联想（新加坡）私人有限公司 接收寻呼消息
US11153904B2 (en) * 2018-02-21 2021-10-19 FG Innovation Company Limited Prioritizing access and services in next generation networks
US10952084B2 (en) * 2018-03-08 2021-03-16 Qualcomm Incorporated Interference management for spectrum sharing
US11968156B2 (en) * 2018-04-05 2024-04-23 Lg Electronics Inc. Method and apparatus for transmitting or receiving system information in wireless communication system supporting TDD narrowband
US11012864B2 (en) * 2018-05-23 2021-05-18 Federated Wireless, Inc. Machine-learning framework for spectrum allocation
KR20210018475A (ko) * 2018-06-11 2021-02-17 오피노 엘엘씨 기지국 네트워크 공유 구성
US20200151554A1 (en) * 2018-11-08 2020-05-14 Hewlett Packard Enterprise Development Lp Machine learning based model for spectral scan and analysis
EP4193757A1 (en) * 2020-08-05 2023-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Interference detection and handling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220346138A1 (en) * 2019-10-02 2022-10-27 Qualcomm Incorporated Wireless communication using multiple types of random access occasions
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
EP3794899B1 (en) 2025-10-29
EP3794899A1 (en) 2021-03-24
CN112385299A (zh) 2021-02-19
JP7408581B2 (ja) 2024-01-05
US11737151B2 (en) 2023-08-22
KR20210010842A (ko) 2021-01-28
JP7714627B2 (ja) 2025-07-29
CN112385299B (zh) 2024-04-05
US20190387541A1 (en) 2019-12-19
US10993270B2 (en) 2021-04-27
JP2021527979A (ja) 2021-10-14
JP2024019651A (ja) 2024-02-09
EP3794899A4 (en) 2021-07-14
KR102833748B1 (ko) 2025-07-15
WO2019245285A1 (en) 2019-12-26
US20210250997A1 (en) 2021-08-12
US20230397264A1 (en) 2023-12-07
CN118250831A (zh) 2024-06-25

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