WO2018164553A3 - 비면허 대역을 지원하는 무선 통신 시스템에서 단말의 임의 접속 절차 수행 방법 및 이를 수행하는 단말 - Google Patents

비면허 대역을 지원하는 무선 통신 시스템에서 단말의 임의 접속 절차 수행 방법 및 이를 수행하는 단말 Download PDF

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Publication number
WO2018164553A3
WO2018164553A3 PCT/KR2018/002896 KR2018002896W WO2018164553A3 WO 2018164553 A3 WO2018164553 A3 WO 2018164553A3 KR 2018002896 W KR2018002896 W KR 2018002896W WO 2018164553 A3 WO2018164553 A3 WO 2018164553A3
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WO
WIPO (PCT)
Prior art keywords
terminal
random access
access procedure
unlicensed band
wireless communication
Prior art date
Application number
PCT/KR2018/002896
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English (en)
French (fr)
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WO2018164553A2 (ko
Inventor
김선욱
박창환
안준기
양석철
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US16/491,982 priority Critical patent/US10952251B2/en
Publication of WO2018164553A2 publication Critical patent/WO2018164553A2/ko
Publication of WO2018164553A3 publication Critical patent/WO2018164553A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access
    • H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
    • H04W74/0808—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using carrier sensing, e.g. as in CSMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams

Abstract

본 발명에서는 비면허 대역을 지원하는 무선 통신 시스템에서 단말의 임의 접속 절차 수행 방법 및 이를 수행하는 단말을 개시한다. 특히, 본 발명에서는, 단말 및 기지국이 다양한 빔 자원 (beam resource)를 이용하여 신호를 송수신할 수 있는 경우, 단말이 비면허 대역을 통해 기지국에 대해 임의 접속 절차를 수행하는 방법 및 이를 수행하는 단말을 개시한다.
PCT/KR2018/002896 2017-03-10 2018-03-12 비면허 대역을 지원하는 무선 통신 시스템에서 단말의 임의 접속 절차 수행 방법 및 이를 수행하는 단말 WO2018164553A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/491,982 US10952251B2 (en) 2017-03-10 2018-03-12 Method for performing random access procedure by terminal in wireless communication system supporting unlicensed band and terminal for performing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762469524P 2017-03-10 2017-03-10
US62/469,524 2017-03-10

Publications (2)

Publication Number Publication Date
WO2018164553A2 WO2018164553A2 (ko) 2018-09-13
WO2018164553A3 true WO2018164553A3 (ko) 2018-11-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/002896 WO2018164553A2 (ko) 2017-03-10 2018-03-12 비면허 대역을 지원하는 무선 통신 시스템에서 단말의 임의 접속 절차 수행 방법 및 이를 수행하는 단말

Country Status (2)

Country Link
US (1) US10952251B2 (ko)
WO (1) WO2018164553A2 (ko)

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WO2018175714A1 (en) 2017-03-23 2018-09-27 Convida Wireless, Llc Beam training and initial access
CN109392184B (zh) * 2017-08-02 2020-10-16 维沃移动通信有限公司 一种非授权频段下的信息传输方法、网络设备及终端
CN109413751B (zh) 2017-08-17 2021-05-28 维沃移动通信有限公司 非授权频段下的信息传输方法及网络设备
KR20190129605A (ko) * 2018-05-11 2019-11-20 삼성전자주식회사 무선 통신 시스템에서 상향링크 스케줄링을 위한 장치 및 방법
CN111758294B (zh) * 2018-06-14 2022-12-23 Oppo广东移动通信有限公司 一种随机接入方法、装置、通信设备及介质
US11013036B2 (en) * 2018-06-14 2021-05-18 Samsung Electronics Co., Ltd. Method and apparatus on enhancements of NR random access for unlicensed operations
MX2020013902A (es) * 2018-06-19 2021-03-09 Guangdong Oppo Mobile Telecommunications Corp Ltd Metodo para indicar el tipo de acceso al canal, dispositivo terminal y dispositivo de red.
CN110972296A (zh) * 2018-09-30 2020-04-07 普天信息技术有限公司 一种基于nr-u下行带宽自适应调整的数据发送方法及装置
CN109496398B (zh) * 2018-10-25 2022-07-15 北京小米移动软件有限公司 混合自动重传请求harq反馈方法及装置
US11115109B2 (en) * 2018-10-31 2021-09-07 Cable Television Laboratories, Inc. Methods and systems for establishing a connection between devices in unlicensed radio frequency spectrum
EP3935908B1 (en) * 2019-03-05 2024-02-21 Google LLC Random access procedure in unlicensed bandwidth part
KR20200114224A (ko) * 2019-03-28 2020-10-07 삼성전자주식회사 비면허 대역을 활용하는 무선통신시스템에서 상향링크 LBT (Listen-Before-Talk) 실패를 감지하는 방법 및 장치
JP7218434B2 (ja) * 2019-05-16 2023-02-06 京セラ株式会社 通信制御方法及びユーザ装置
CN117295180A (zh) * 2019-11-08 2023-12-26 Oppo广东移动通信有限公司 非授权频谱上的数据传输方法、装置、设备及存储介质
US20230051144A1 (en) * 2020-02-05 2023-02-16 JRD Communication (Shenzhen) Ltd. Device and method for listen-before-talk random access with adaptive energy detection threshold selection
US11863997B2 (en) * 2020-02-11 2024-01-02 Qualcomm Incorporated Frame based channel access in wireless communication
WO2021201611A1 (ko) * 2020-04-01 2021-10-07 삼성전자 주식회사 무선 통신 시스템에서 저능력 단말을 위해 랜덤엑세스를 지원하기 위한 방법 및 장치
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US10952251B2 (en) 2021-03-16
US20200045735A1 (en) 2020-02-06
WO2018164553A2 (ko) 2018-09-13

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