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

Info

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
Authority
JP
Japan
Prior art keywords
random access
backoff
terminal
preamble
criterion
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.)
Active
Application number
JP2020568554A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2019245285A5 (enExample
JP2021527979A (ja
Inventor
アニル・アギワル
センフン・キム
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 JP2021527979A publication Critical patent/JP2021527979A/ja
Publication of JPWO2019245285A5 publication Critical patent/JPWO2019245285A5/ja
Priority to JP2023215029A priority Critical patent/JP7714627B2/ja
Application granted granted Critical
Publication of JP7408581B2 publication Critical patent/JP7408581B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
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)

Application Number Priority Date Filing Date Title
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)

Application Number Title Priority Date Filing Date
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

Publications (3)

Publication Number Publication Date
JP2021527979A JP2021527979A (ja) 2021-10-14
JPWO2019245285A5 JPWO2019245285A5 (enExample) 2022-06-29
JP7408581B2 true JP7408581B2 (ja) 2024-01-05

Family

ID=68840620

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2020568554A Active JP7408581B2 (ja) 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
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

Family Applications After (1)

Application Number Title Priority Date Filing Date
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

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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12309831B2 (en) * 2017-06-16 2025-05-20 Qualcomm Incorporated Differentiated random access in new radio
KR102434225B1 (ko) * 2017-06-16 2022-08-19 삼성전자 주식회사 차세대 이동 통신 시스템에서 안테나빔별 망혼잡을 제어하는 방법 및 장치
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
WO2020091685A1 (en) * 2018-11-01 2020-05-07 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
US12232167B2 (en) * 2019-10-02 2025-02-18 Qualcomm Incorporated Wireless communication using multiple types of random access occasions
WO2021068119A1 (en) 2019-10-09 2021-04-15 Qualcomm Incorporated Two-step random access channel signaling
KR20220124178A (ko) 2020-01-10 2022-09-13 삼성전자주식회사 랜덤 액세스 절차 장치 및 방법
WO2021155853A1 (en) 2020-02-07 2021-08-12 FG Innovation Company Limited Wireless communication method and user equipment for handling random access operations
CN113508634B (zh) * 2020-02-07 2024-04-26 三星电子株式会社 用于无线通信系统中的随机接入前导码组选择的方法以及装置
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
EP4111799A4 (en) * 2020-04-01 2023-08-09 Samsung Electronics Co., Ltd. METHOD AND APPARATUS FOR SLEEP MODE OPERATION IN A WIRELESS COMMUNICATION SYSTEM
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
KR20250078888A (ko) * 2022-09-29 2025-06-04 엘지전자 주식회사 무선 통신 시스템에서 임의 접속을 수행하기 위한 장치 및 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190261411A1 (en) 2018-02-21 2019-08-22 FG Innovation Company Limited Prioritizing access and services in next generation networks

Family Cites Families (25)

* 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
US9301323B2 (en) * 2011-09-16 2016-03-29 Telefonaktiebolaget Lm Ericsson (Publ) 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
US9945928B2 (en) * 2014-10-30 2018-04-17 Bastille Networks, Inc. Computational signal processing architectures for electromagnetic signature analysis
US20170265230A1 (en) 2016-03-14 2017-09-14 Futurewei Technologies, Inc. System and Method for Random Access Backoffs
BR112018075324B1 (pt) 2016-06-08 2022-11-22 Telefonaktiebolaget Lm Ericsson (Publ) Métodos em um nó de rede e em um equipamento de usuário, nó de rede, e, equipamento de usuário
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
CN110463332B (zh) * 2017-03-24 2024-11-15 摩托罗拉移动有限责任公司 用于无线通信网络上的随机接入的方法和装置
US11265919B2 (en) * 2017-06-14 2022-03-01 Idac Holdings, Inc. RACH procedures in unlicensed spectrum
WO2019030573A1 (en) * 2017-08-09 2019-02-14 Lenovo (Singapore) Pte, Ltd. METHOD AND APPARATUS FOR SELECTING ANTENNA PORT USING ADJUSTMENTS RECEIVED SPECIFIC TO ANTENNA PORT
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
US10813137B2 (en) * 2017-12-13 2020-10-20 Asustek Computer Inc. Method and apparatus of handling BWP inactivity timer during random access procedure in a wireless communication system
HUE060363T2 (hu) * 2018-01-09 2023-02-28 Beijing Xiaomi Mobile Software Co Ltd Fizikai és MAC réteg folyamatok egy vezetéknélküli eszköznél
EP4195837A3 (en) * 2018-01-09 2023-09-20 Comcast Cable Communications, LLC Beam selection in beam failure recovery request retransmission
WO2019138297A1 (en) * 2018-01-12 2019-07-18 Lenovo (Singapore) Pte. Ltd. Acquiring system information
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
US11343755B2 (en) * 2018-06-11 2022-05-24 Honda Motor Co., Ltd. Node selection for network sharing
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190261411A1 (en) 2018-02-21 2019-08-22 FG Innovation Company Limited Prioritizing access and services in next generation networks

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
3rd Generation Partnership Project;Technical Specification Group Radio Access Network;NR;Medium Access Control (MAC) protocol specification(Release 15)，3GPP TS 38.321 V15.5.0 (2019-03)，2019年03月，第5.1.2節-第5.1.5節,第5.17節
ASUSTeK，Discussion on Random Access Preamble selection for Handover[online]，3GPP TSG RAN WG2 #102 R2-1806919，Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_102/Docs/R2-1806919.zip>，2018年05月21日
InterDigital，Addition of the beamFailureRecoveryTimer[online]，3GPP TSG RAN WG2 #102 R2-1809119，Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_102/Docs/R2-1809119.zip>，2018年05月21日
Samsung Electronics，Corrections for random access backoff[online]，3GPP TSG RAN WG2 adhoc_2018_07_NR R2-1809471，Internet<URL:http://www.3gpp.org/ftp/tsg_ran/WG2_RL2/TSGR2_AHs/2018_07_NR/Docs/R2-1809471.zip>，2018年06月21日

Also Published As

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

Similar Documents

Publication Publication Date Title
JP7714627B2 (ja) 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
US11895707B2 (en) Method and apparatus for supporting multiple message a sizes and uplink coverage for two step random access procedure
US12004226B2 (en) Method and apparatus for switching between 2 step and 4 step random access (RA) procedures and contention resolutions
US11653387B2 (en) Random access method and apparatus in wireless communication system
US11523433B2 (en) System and method of handling bandwidth part inactivity timer
US12120568B2 (en) Method and apparatus for system information acquisition, beam failure recovery and cell reselection
CN113273248B (zh) 用于处理2步和4步随机接入之间的切换的方法和装置
KR20220074867A (ko) 랜덤 액세스 절차를 위한 방법 및 장치
CN114830739B (zh) 用于在无线通信系统中处理系统信息请求的方法和装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220620

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20220620

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20230510

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230515

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230815

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20231120

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20231220

R150 Certificate of patent or registration of utility model

Ref document number: 7408581

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150