RU2634712C1 - Способ для выполнения процедуры произвольного доступа - Google Patents

Способ для выполнения процедуры произвольного доступа Download PDF

Info

Publication number
RU2634712C1
RU2634712C1 RU2016124116A RU2016124116A RU2634712C1 RU 2634712 C1 RU2634712 C1 RU 2634712C1 RU 2016124116 A RU2016124116 A RU 2016124116A RU 2016124116 A RU2016124116 A RU 2016124116A RU 2634712 C1 RU2634712 C1 RU 2634712C1
Authority
RU
Russia
Prior art keywords
cell
random access
transmission
access preamble
prach
Prior art date
Application number
RU2016124116A
Other languages
English (en)
Russian (ru)
Inventor
Даесунг ХВАНГ
Юндзунг И
Сукчел ЯНГ
Original Assignee
ЭлДжи ЭЛЕКТРОНИКС ИНК.
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 ЭлДжи ЭЛЕКТРОНИКС ИНК. filed Critical ЭлДжи ЭЛЕКТРОНИКС ИНК.
Application granted granted Critical
Publication of RU2634712C1 publication Critical patent/RU2634712C1/ru

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H04W74/04—Scheduled access
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H04W74/0875—Non-scheduled access, e.g. ALOHA using a dedicated channel for access with assigned priorities based access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [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
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H04W52/244—Interferences in heterogeneous networks, e.g. among macro and femto or pico cells or other sector / system interference [OSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/34—TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
RU2016124116A 2013-11-19 2014-10-16 Способ для выполнения процедуры произвольного доступа RU2634712C1 (ru)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361906398P 2013-11-19 2013-11-19
US61/906,398 2013-11-19
US201461932208P 2014-01-27 2014-01-27
US61/932,208 2014-01-27
US201462060540P 2014-10-06 2014-10-06
US62/060,540 2014-10-06
PCT/KR2014/009723 WO2015076501A1 (ko) 2013-11-19 2014-10-16 랜덤 액세스 절차를 수행하는 방법

Publications (1)

Publication Number Publication Date
RU2634712C1 true RU2634712C1 (ru) 2017-11-03

Family

ID=53179733

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016124116A RU2634712C1 (ru) 2013-11-19 2014-10-16 Способ для выполнения процедуры произвольного доступа

Country Status (7)

Country Link
US (4) US9826554B2 (enExample)
EP (2) EP3627954B1 (enExample)
JP (1) JP6509853B2 (enExample)
KR (1) KR102261184B1 (enExample)
CN (1) CN105745849B (enExample)
RU (1) RU2634712C1 (enExample)
WO (1) WO2015076501A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2774924C1 (ru) * 2018-09-21 2022-06-24 Нокиа Текнолоджиз Ой Процедура произвольного доступа
US11997718B2 (en) 2018-09-21 2024-05-28 Nokia Technologies Oy Random access procedure

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160057800A1 (en) * 2013-08-27 2016-02-25 Samsung Electronics Co., Ltd. Method and system for random access procedure and radio link failure in inter-enb carrier aggregation
EP3050228B1 (en) 2013-09-24 2020-11-04 LG Electronics Inc. Communication between mac and phy for parallel random access procedures of dual connectivity
JP6509853B2 (ja) 2013-11-19 2019-05-08 エルジー エレクトロニクス インコーポレイティド ランダムアクセス手順を実行する方法
US9999002B2 (en) * 2014-03-21 2018-06-12 Avago Technologies General Ip (Singapore) Pte. Ltd. Uplink power scaling for dual connectivity
KR102298357B1 (ko) 2014-03-21 2021-09-07 삼성전자 주식회사 무선통신 시스템에서 다중 기지국과 랜덤 엑세스 수행 방법 및 장치
JPWO2015159874A1 (ja) * 2014-04-18 2017-04-13 株式会社Ｎｔｔドコモ ユーザ装置、及び上り送信電力情報送信方法
HUE048472T2 (hu) * 2014-07-11 2020-08-28 Ntt Docomo Inc Felhasználói végberendezés és vezeték nélküli kommunikációs eljárás
JP5878595B2 (ja) * 2014-07-11 2016-03-08 株式会社Ｎｔｔドコモ ユーザ端末、無線通信システムおよび無線通信方法
US10129910B2 (en) * 2014-10-06 2018-11-13 Qualcomm Incorporated PRACH transmission power adjustment
KR101685301B1 (ko) * 2015-08-28 2016-12-09 한국과학기술원 임의접속 과정을 통한 통신 장치 및 방법
WO2017135347A1 (ja) * 2016-02-04 2017-08-10 株式会社Ｎｔｔドコモ ユーザ端末、無線基地局及び無線通信方法
WO2017183309A1 (ja) * 2016-04-20 2017-10-26 シャープ株式会社 端末装置、基地局装置、および、通信方法
KR102455240B1 (ko) * 2016-08-18 2022-10-17 삼성전자 주식회사 무선 통신 시스템에서 상향링크 제어 정보를 송수신하는 방법 및 장치
WO2018054503A1 (en) * 2016-09-26 2018-03-29 Nokia Solutions And Networks Oy Communication system
KR101745839B1 (ko) * 2016-10-11 2017-06-09 한국과학기술원 임의접속 과정을 통한 통신 장치 및 방법
TWI618437B (zh) * 2016-11-01 2018-03-11 財團法人資訊工業策進會 無線裝置、基地台、用於無線裝置之隨機存取方法及用於基地台之前置碼配置方法
US10568130B2 (en) * 2016-12-22 2020-02-18 Qualcomm Incorporated Techniques and apparatuses for multiple types of physical random access channel (PRACH) transmission utilization
TWI674965B (zh) 2017-01-05 2019-10-21 三緯國際立體列印科技股份有限公司 多色3d物件的切層列印方法
CN109600841B (zh) * 2017-09-30 2024-03-15 北京三星通信技术研究有限公司 随机接入方法、网络节点和用户设备
KR102743097B1 (ko) 2017-04-01 2024-12-16 삼성전자 주식회사 랜덤 액세스 방법, 네트워크 노드 및 사용자 장치
KR102603689B1 (ko) 2017-04-01 2023-11-17 삼성전자 주식회사 랜덤 액세스 방법, 네트워크 노드 및 사용자 장치
CN110603793B (zh) * 2017-05-03 2022-06-14 Lg 电子株式会社 用于发送随机接入信道信号的方法、用户设备、用于接收随机接入信道信号的方法和基站
WO2018201380A1 (en) * 2017-05-04 2018-11-08 Motorola Mobility Llc Determining a beam for preamble transmission
US10477593B2 (en) * 2017-06-08 2019-11-12 Qualcomm Incorporated Techniques and apparatuses for access in a backhaul network
EP3639606B1 (en) * 2017-06-16 2025-03-19 Motorola Mobility LLC Performing multiple random access procedures
WO2018228237A1 (en) * 2017-06-16 2018-12-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and device for random access configuration
KR102588435B1 (ko) 2017-09-08 2023-10-12 삼성전자주식회사 리소스 결정, 리소스 구성, 랜덤 액세스 프리엠블 송신 및 랜덤 엑세스를 위한 방법 및 장치
WO2019050316A1 (en) * 2017-09-08 2019-03-14 Samsung Electronics Co., Ltd. METHOD AND APPARATUS FOR RESOURCE DETERMINATION, RESOURCE CONFIGURATION, RANDOM ACCESS PREAMBLE TRANSMISSION, AND RANDOM ACCESS
WO2019090646A1 (zh) * 2017-11-09 2019-05-16 华为技术有限公司 通信装置的随机接入方法、装置和存储介质
DK3714656T3 (da) * 2017-11-22 2025-03-03 Zte Corp Sameksistens af forskellige ressourcer med tilfældig adgang og associationer
CN108496385B (zh) * 2018-03-29 2022-11-04 北京小米移动软件有限公司 信息上报方法及装置和基于带宽部分的操作方法及装置
CN110557978B (zh) * 2018-04-04 2024-02-06 北京小米移动软件有限公司 上行传输方法、装置及存储介质
US11089651B2 (en) * 2018-04-06 2021-08-10 Apple Inc. Systems and methods for physical random access channel transmissions
EP3782430B1 (en) 2018-04-16 2022-12-07 Telefonaktiebolaget LM Ericsson (publ) Handling of inactive parameters upon release and re-suspend
WO2020032591A1 (en) * 2018-08-08 2020-02-13 Samsung Electronics Co., Ltd. Handling collisions in wireless networks
US11310834B2 (en) 2019-03-18 2022-04-19 Qualcomm Incorporated Priority handling for a random access message that includes a preamble and a payload
EP3963962A1 (en) * 2019-05-02 2022-03-09 Telefonaktiebolaget LM Ericsson (publ) Transmit power allocation technique
US11432250B2 (en) * 2019-06-27 2022-08-30 Qualcomm Incorporated Transmission power control
US20220338264A1 (en) * 2019-08-14 2022-10-20 Lg Electronics Inc. Method for transmitting and receiving signals in wireless communication system, and apparatus that supports same
CN114930951B (zh) * 2020-02-14 2024-08-23 中兴通讯股份有限公司 信号取消的方法
WO2023201685A1 (en) * 2022-04-22 2023-10-26 Apple Inc. Primary secondary cell handover in unlicensed spectrum
CN118828894A (zh) * 2023-05-13 2024-10-22 上海移远通信技术股份有限公司 被用于无线通信的节点中的方法和装置
KR20260006912A (ko) * 2024-07-05 2026-01-13 삼성전자주식회사 이동성을 지원하기 위한 방법 및 이에 대한 장치
CN122342144A (zh) * 2024-10-29 2026-07-03 北京小米移动软件有限公司 通信方法、终端、网络设备、通信系统、计算机程序产品和存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2451423C2 (ru) * 2006-12-01 2012-05-20 Квэлкомм Инкорпорейтед Передача сигнала управления для систем беспроводной связи
KR20120081558A (ko) * 2011-01-11 2012-07-19 삼성전자주식회사 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치
WO2012148239A2 (ko) * 2011-04-28 2012-11-01 엘지전자 주식회사 랜덤 액세스 수행 방법 및 장치
WO2013025009A2 (ko) * 2011-08-12 2013-02-21 엘지전자 주식회사 랜덤 액세스 과정을 수행하는 방법 및 이를 이용한 무선기기

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317267B1 (ko) * 1999-10-02 2001-12-22 서평원 공통 패킷 채널의 보호 방법
KR100452639B1 (ko) * 2001-10-20 2004-10-14 한국전자통신연구원 위성 이동 통신 시스템에서 공통 패킷 채널 접속 방법
AU2002237469A1 (en) * 2002-03-08 2003-09-22 Nokia Corporation Method and device for controlling the power in an asymmetric soft handover condition
KR100662408B1 (ko) * 2005-05-24 2007-01-02 엘지전자 주식회사 랜덤 액세스를 위한 채널 할당 방법
GB2445336B (en) * 2005-11-04 2010-12-08 Nec Corp Wireless communication system and method of controlling a transmission power
KR101196897B1 (ko) 2006-01-20 2012-11-01 에릭슨 엘지 주식회사 무선통신 시스템 내에서 랜덤 액세스 채널에 주파수 대역을 할당하는 방법 및 장치와, 그의 랜덤 액세스 채널 상에서의 신호 송수신 장치 및 방법
US8320318B2 (en) * 2007-11-01 2012-11-27 Koninklijke Philips Electronics N.V. Power ramping for RACH
KR101531513B1 (ko) * 2008-02-04 2015-07-06 엘지전자 주식회사 랜덤 접속의 접속 지연 재개 방법
CN102027797A (zh) * 2008-03-14 2011-04-20 诺基亚西门子通信公司 用于中继网络中的随机接入的本地冲突避免的方法、设备和系统
CN101686544A (zh) * 2008-09-22 2010-03-31 中兴通讯股份有限公司 专用随机接入资源的分配方法和基站
EP2386175B1 (fr) * 2009-01-09 2016-07-27 Alcatel Lucent Gestion des liens radio dans un systeme de radiocommunication
US8743724B2 (en) * 2009-05-29 2014-06-03 Lg Electronics Inc. Method and apparatus for transmitting signal using spatial silencing
CN101951643B (zh) * 2009-09-03 2014-04-23 开曼群岛威睿电通股份有限公司 通信接入程序的方法、装置及系统
SMT201800459T1 (it) * 2010-04-01 2018-11-09 Sun Patent Trust Controllo della potenza di trasmissione per canali fisici di accesso causale
RU2559201C2 (ru) * 2010-04-01 2015-08-10 Панасоник Интеллекчуал Проперти Корпорэйшн оф Америка Управление мощностью передачи для физических каналов произвольного доступа
KR101910899B1 (ko) * 2010-11-05 2019-01-07 삼성전자 주식회사 이동통신 시스템에서 단말이 Ｐｏｗｅｒ Ｈｅａｄｒｏｏｍ을 계산하는 방법 및 장치
KR101975901B1 (ko) 2011-04-05 2019-05-08 삼성전자주식회사 이동통신시스템 반송파 집적화 동작에서의 단말기의 효율적인 랜덤 액세스 제어 방법 및 장치
US20120300715A1 (en) * 2011-05-10 2012-11-29 Interdigital Patent Holdings, Inc. Method and apparatus for obtaining uplink timing alignment on a secondary cell
US9369980B2 (en) 2011-07-19 2016-06-14 Industrial Technology Research Institute Method of handling random access response
KR20130032178A (ko) * 2011-09-22 2013-04-01 주식회사 팬택 다중 요소 반송파 시스템에서 랜덤 액세스 절차의 수행장치 및 방법
WO2013042908A1 (en) * 2011-09-20 2013-03-28 Pantech Co., Ltd. Apparatus and method for performing random access procedure in multiple component carrier system
CN103024923B (zh) * 2011-09-26 2015-09-09 华为技术有限公司 一种保证并行数据随机接入的方法及用户设备
US8526389B2 (en) * 2012-01-25 2013-09-03 Ofinno Technologies, Llc Power scaling in multicarrier wireless device
KR102148335B1 (ko) * 2012-02-06 2020-08-26 삼성전자 주식회사 이동통신 시스템에서 복수의 캐리어를 이용해서 데이터를 송수신하는 방법 및 장치
CN104186010B (zh) 2012-03-16 2018-09-21 交互数字专利控股公司 无线系统中的随机接入过程
JP5940850B2 (ja) * 2012-03-19 2016-06-29 株式会社Ｎｔｔドコモ 通信システム、基地局装置、移動端末装置及び通信方法
US8971280B2 (en) * 2012-04-20 2015-03-03 Ofinno Technologies, Llc Uplink transmissions in a wireless device
KR101589911B1 (ko) * 2012-08-03 2016-02-18 주식회사 케이티 랜덤 액세스 전력 제어 방법 및 장치
EP3065488A4 (en) * 2013-10-29 2017-07-05 Kyocera Corporation Communication control method, base station, and user terminal
JP6509853B2 (ja) 2013-11-19 2019-05-08 エルジー エレクトロニクス インコーポレイティド ランダムアクセス手順を実行する方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2451423C2 (ru) * 2006-12-01 2012-05-20 Квэлкомм Инкорпорейтед Передача сигнала управления для систем беспроводной связи
KR20120081558A (ko) * 2011-01-11 2012-07-19 삼성전자주식회사 이동통신 시스템에서 랜덤 액세스 절차를 수행하는 방법 및 장치
WO2012148239A2 (ko) * 2011-04-28 2012-11-01 엘지전자 주식회사 랜덤 액세스 수행 방법 및 장치
WO2013025009A2 (ko) * 2011-08-12 2013-02-21 엘지전자 주식회사 랜덤 액세스 과정을 수행하는 방법 및 이를 이용한 무선기기

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2774924C1 (ru) * 2018-09-21 2022-06-24 Нокиа Текнолоджиз Ой Процедура произвольного доступа
RU2774924C9 (ru) * 2018-09-21 2022-08-04 Нокиа Текнолоджиз Ой Процедура произвольного доступа
US11997718B2 (en) 2018-09-21 2024-05-28 Nokia Technologies Oy Random access procedure
RU2783599C1 (ru) * 2022-06-14 2022-11-15 Нокиа Текнолоджиз Ой Процедура произвольного доступа

Also Published As

Publication number Publication date
US20180035472A1 (en) 2018-02-01
CN105745849A (zh) 2016-07-06
JP6509853B2 (ja) 2019-05-08
EP3073649B1 (en) 2019-12-04
KR102261184B1 (ko) 2021-06-04
WO2015076501A1 (ko) 2015-05-28
EP3627954B1 (en) 2022-08-31
JP2017504233A (ja) 2017-02-02
US10009932B2 (en) 2018-06-26
CN105745849B (zh) 2019-08-27
US20190268948A1 (en) 2019-08-29
KR20160087801A (ko) 2016-07-22
US20160302235A1 (en) 2016-10-13
US20180279383A1 (en) 2018-09-27
US10327266B2 (en) 2019-06-18
US10887924B2 (en) 2021-01-05
EP3073649A1 (en) 2016-09-28
EP3627954A1 (en) 2020-03-25
EP3073649A4 (en) 2017-07-12
US9826554B2 (en) 2017-11-21

Similar Documents

Publication Publication Date Title
US10887924B2 (en) Method for performing random access procedure
US10623967B2 (en) Method and MTC device for performing random access procedure for coverage enhancement
US20210235247A1 (en) Method for transmitting/receiving d2d signal in wireless communication system and apparatus therefor
US10966262B2 (en) Method for transmitting signal using direct communication between terminals in wireless communication system and device therefor
RU2643803C1 (ru) Способ передачи сигнала синхронизации для прямого обмена данными между терминалами в системе беспроводной связи и устройство для этой цели
US9426801B2 (en) Method and apparatus for transceiving control signal
US10129898B2 (en) Method for determining resource for device-to-device (D2D) communication in wireless communication system and apparatus therefor
US9923674B2 (en) Method for transmitting and receiving uplink/downlink data with MTC device
CN112492613B (zh) 在支持未授权带的无线接入系统中执行cca的方法及其装置
US11464039B2 (en) Method for transmitting and receiving physical signals and/or channels in wireless communication system and apparatus therefor
KR102225951B1 (ko) 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
WO2014148796A1 (ko) 무선 통신 시스템에서 단말이 신호를 송수신하는 방법 및 이를 위한 장치
US9554391B2 (en) Method for mitigating interference when changing use of dynamic resource in wireless communication system, and device therefor
WO2014116078A1 (ko) 무선 통신 시스템에서 단말의 통신 방법 및 장치
EP3334233B1 (en) Terminal device, communication method, and integrated circuit
CN106134278B (zh) 无线通信系统中发送和接收用于设备对设备通信的信号的方法及其装置
KR102273756B1 (ko) 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US10419175B2 (en) Method for transmitting D2D signal in wireless communication system and device therefor