KR102238673B1 - 비허가 스펙트럼을 이용하는 lte/lte-a 통신 시스템들을 위한 다운링크 절차들 - Google Patents

비허가 스펙트럼을 이용하는 lte/lte-a 통신 시스템들을 위한 다운링크 절차들 Download PDF

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KR102238673B1
KR102238673B1 KR1020167006301A KR20167006301A KR102238673B1 KR 102238673 B1 KR102238673 B1 KR 102238673B1 KR 1020167006301 A KR1020167006301 A KR 1020167006301A KR 20167006301 A KR20167006301 A KR 20167006301A KR 102238673 B1 KR102238673 B1 KR 102238673B1
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lte
base station
unlicensed spectrum
frame structure
wireless communication
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KR20160042995A (ko
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완시 첸
피터 가알
더가 프라사드 말라디
타오 루오
알렉산다르 담자노빅
나가 부샨
팅팡 지
용빈 웨이
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퀄컴 인코포레이티드
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069Cell search, i.e. determining cell identity [cell-ID]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/16Discovering, processing access restriction or access information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/0005Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/001Synchronization between nodes
    • H04W56/0015Synchronization between nodes one node acting as a reference for the others
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J2211/00Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005Long term evolution [LTE]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020167006301A 2013-08-16 2014-08-15 비허가 스펙트럼을 이용하는 lte/lte-a 통신 시스템들을 위한 다운링크 절차들 Active KR102238673B1 (ko)

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KR1020217009904A KR102355378B1 (ko) 2013-08-16 2014-08-15 비허가 스펙트럼을 이용하는 lte/lte-a 통신 시스템들을 위한 다운링크 절차들

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361866905P 2013-08-16 2013-08-16
US61/866,905 2013-08-16
US14/459,651 US9591644B2 (en) 2013-08-16 2014-08-14 Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum
US14/459,651 2014-08-14
PCT/US2014/051184 WO2015023910A2 (en) 2013-08-16 2014-08-15 Downlink procedures for lte/lte-a communication systems with unlicensed spectrum

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KR102238673B1 true KR102238673B1 (ko) 2021-04-08

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KR1020167006301A Active KR102238673B1 (ko) 2013-08-16 2014-08-15 비허가 스펙트럼을 이용하는 lte/lte-a 통신 시스템들을 위한 다운링크 절차들

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US (2) US9591644B2 (enExample)
EP (2) EP3033910B1 (enExample)
JP (3) JP6449883B2 (enExample)
KR (2) KR102355378B1 (enExample)
CN (2) CN109561483B (enExample)
CA (1) CA2917774C (enExample)
WO (1) WO2015023910A2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230074308A (ko) * 2016-07-23 2023-05-26 주식회사 윌러스표준기술연구소 비인가 대역에서 채널 엑세스 방법, 장치 및 시스템
US11968680B2 (en) 2016-03-25 2024-04-23 Wilus Institute Of Standards And Technology Inc. Method for uplink channel access to unlicensed band in wireless communication system and apparatus for same
US12501445B2 (en) 2016-03-25 2025-12-16 Wilus Institute Of Standards And Technology Inc. Method for uplink channel access to unlicensed band in wireless communication system and apparatus for same

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103582024B (zh) * 2012-08-06 2018-01-23 华为技术有限公司 下行信号的发送、接收方法和网络系统及终端
US9591644B2 (en) 2013-08-16 2017-03-07 Qualcomm Incorporated Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum
US9510222B2 (en) * 2013-08-23 2016-11-29 Qualcomm Incorporated Detection of bursty WiFi interference in LTE/LTE-A communications in an unlicensed spectrum
US9832629B2 (en) 2014-01-28 2017-11-28 Qualcomm Incorporated Discovery signals and network synchronization signals design in LTE
US10873941B2 (en) 2014-05-16 2020-12-22 Huawei Technologies Co., Ltd. System and method for joint transmission over licensed and unlicensed bands using fountain codes
US10813043B2 (en) * 2014-05-16 2020-10-20 Huawei Technologies Co., Ltd. System and method for communicating wireless transmissions spanning both licensed and un-licensed spectrum
US9986518B2 (en) * 2014-07-03 2018-05-29 Qualcomm Incorporated Transmission and reception of synchronization signals over an unlicensed radio frequency spectrum band
JP2017152752A (ja) * 2014-07-03 2017-08-31 シャープ株式会社 端末装置、および基地局装置
US10165553B2 (en) * 2014-07-29 2018-12-25 Htc Corporation Device and method of handling communication operations in a licensed frequency band and an unlicensed frequency band
US11303403B2 (en) * 2014-08-05 2022-04-12 Nokia Technologies Oy Signaling arrangement for wireless system
ES2827244T3 (es) * 2014-09-18 2021-05-20 Sony Corp Dispositivo para una recepción mejorada de multidifusión
US10575325B2 (en) * 2014-10-09 2020-02-25 Acer Incorporated Device and method of handling service in unlicensed cell
US9867154B2 (en) * 2014-11-03 2018-01-09 Avago Technologies General Ip (Singapore) Pte. Ltd. Synchronization channel structure for a shared channel
US20160135179A1 (en) * 2014-11-07 2016-05-12 Sharp Laboratories Of America, Inc. Systems and methods for synchronization signal
US10341970B2 (en) * 2014-11-17 2019-07-02 Qualcomm Incorporated Techniques for transmitting synchronization signals in a shared radio frequency spectrum band
CN105743626B (zh) * 2014-12-30 2020-09-15 北京三星通信技术研究有限公司 一种下行信道和/或下行参考信号的接收方法和设备
US20160227568A1 (en) * 2015-01-30 2016-08-04 Htc Corporation Method of Handling Carrier Grouping and Related Communication Device
US10219159B2 (en) 2015-01-30 2019-02-26 Electronics And Telecommunications Research Institute Method and apparatus for transmitting and receiving reference signal using unlicensed band
US10136452B2 (en) * 2015-02-24 2018-11-20 Qualcomm Incorporated Enhanced PRACH for standalone contention based communications including unlicensed spectrum
US10624090B2 (en) * 2015-03-09 2020-04-14 Lg Electronics Inc. Method and apparatus for communication through subframe occupied by unlicensed frequency
WO2016146155A1 (en) * 2015-03-13 2016-09-22 Telefonaktiebolaget Lm Ericsson (Publ) Technique for communicating on unlicensed spectrum
WO2016148511A1 (ko) * 2015-03-19 2016-09-22 엘지전자 주식회사 무선 통신 시스템에서 불연속 전송을 위한 채널 상태 정보 보고 방법 및 이를 위한 장치
EP3073693B1 (en) 2015-03-24 2020-07-22 Panasonic Intellectual Property Corporation of America PDSCH precoding adaptation for LTE in unlicensed bands
US10477578B2 (en) * 2015-03-24 2019-11-12 Lg Electronics Inc. Uplink data transmission method and user equipment, and uplink data reception method and base station
EP3280107B1 (en) 2015-04-03 2020-12-16 LG Electronics Inc. Method for receiving downlink signal by means of unlicensed band in wireless communication system and device for same
US9647864B2 (en) * 2015-04-10 2017-05-09 Motorola Mobility Llc Method and apparatus for reception of control signaling
CN106664569B (zh) * 2015-04-10 2020-05-29 北京花旺在线商贸有限公司 一种信道状态信息的确定方法和设备
US10250420B2 (en) 2015-04-10 2019-04-02 Motorola Mobility Llc Method and apparatus for reception of control signaling
CN106162892B (zh) * 2015-04-15 2019-10-29 上海诺基亚贝尔股份有限公司 非授权频段信道的占用方法及装置
KR102278519B1 (ko) * 2015-04-22 2021-07-16 삼성전자주식회사 비인가 대역을 지원하는 무선 통신 시스템에서 데이터 송수신 방법 및 장치
EP3920650B1 (en) 2015-05-13 2022-08-31 LG Electronics Inc. Method and device for performing random access process in unlicensed band
US10070272B2 (en) * 2015-05-15 2018-09-04 Qualcomm Incorporated Shared broadcast
CN110011776B (zh) 2015-05-22 2022-01-28 华硕电脑股份有限公司 在无线通信系统中执行参考信号传输的方法和装置
GB2539662A (en) 2015-06-22 2016-12-28 Sony Corp Transmitter and Receiver and Methods of Trasmitting and Receiving
US9906996B2 (en) 2015-06-23 2018-02-27 At&T Intellectual Property I, L.P. Facilitation of wireless network session continuity
JP6513877B2 (ja) * 2015-07-24 2019-05-15 インテル コーポレイション 狭帯域lte配置のための同期信号及びチャネル構造
US10206189B2 (en) 2015-07-27 2019-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband LTE cell search
CN107925530B (zh) 2015-07-30 2021-03-23 苹果公司 物理广播信道设计
CN112333692B (zh) * 2015-07-31 2024-08-06 日本电气株式会社 用于执行传输的方法和设备
US9930498B2 (en) * 2015-07-31 2018-03-27 Qualcomm Incorporated Techniques for multimedia broadcast multicast service transmissions in unlicensed spectrum
CN106454881B (zh) * 2015-08-06 2021-05-11 中兴通讯股份有限公司 数据发送、接收方法及装置
CN106453182B (zh) * 2015-08-07 2020-06-09 中兴通讯股份有限公司 前导发送方法和装置
CN106454695B (zh) * 2015-08-12 2021-03-26 中兴通讯股份有限公司 一种机器类通信系统中的信息传输方法及装置
WO2017027999A1 (en) * 2015-08-14 2017-02-23 Lenovo Innovations Limited (Hong Kong) Flexible uplink/downlink transmissions in a wireless communication system
KR102386383B1 (ko) 2015-09-04 2022-04-14 삼성전자 주식회사 무선 통신 시스템에서 데이터를 전송하는 방법 및 장치
WO2017052252A1 (ko) * 2015-09-23 2017-03-30 엘지전자 주식회사 비면허 대역에서 drx를 위한 방법 및 이를 이용한 기기
US11212760B2 (en) * 2015-09-24 2021-12-28 Qualcomm Incorporated Common synchronization channel design for narrowband communications
KR102363016B1 (ko) 2015-11-04 2022-02-16 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 비인가 대역에서 신호 전송 방법, 장치 및 시스템
CN108141296B (zh) * 2015-11-05 2020-12-18 苹果公司 用于授权辅助接入的同步信号
US10736076B2 (en) * 2016-02-04 2020-08-04 Qualcomm Incorporated Methods and apparatus for paging in unlicensed communication channels
US10638514B2 (en) 2016-02-04 2020-04-28 Nec Corporation Method for operating a plurality of wireless networks
US10477537B2 (en) 2016-02-11 2019-11-12 Qualcomm Incorporated Multi-PRB operation for narrowband systems
US11319107B2 (en) * 2016-03-07 2022-05-03 Qualcomm Incorporated Synchronization for standalone LTE broadcast
CN108886819B (zh) * 2016-03-30 2022-05-10 Idac控股公司 使用签名的初始接入方法
US9924369B2 (en) 2016-03-31 2018-03-20 Corning Optical Communication Wireless Ltd Selective non-distribution of received unlicensed spectrum communication signals by a remote unit(s) into a distributed communications system (DCS)
US10616912B2 (en) * 2016-04-22 2020-04-07 Qualcomm Incorporated Uplink payload determination and uplink grant indication for multefire
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11218236B2 (en) 2016-06-01 2022-01-04 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US10887035B2 (en) 2016-06-01 2021-01-05 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels
ES2889909T3 (es) * 2016-06-21 2022-01-14 Guangdong Oppo Mobile Telecommunications Corp Ltd Envío de información de indicación de canal de difusión
US10517021B2 (en) 2016-06-30 2019-12-24 Evolve Cellular Inc. Long term evolution-primary WiFi (LTE-PW)
CN109479247B (zh) 2016-08-08 2021-07-16 Lg 电子株式会社 用于报告功率余量的方法和设备
CN109478969B (zh) 2016-08-10 2021-11-16 Lg 电子株式会社 用于在移动通信系统中收发广播信道信号的方法和装置
US10187188B2 (en) * 2016-08-12 2019-01-22 Motorola Mobility Llc Method and apparatus for receiving reference signals in support of flexible radio communication
WO2018073683A1 (en) * 2016-10-10 2018-04-26 Nokia Technologies Oy Synchronization of narrowband and wideband user equipment
US11778542B2 (en) * 2016-10-11 2023-10-03 Kyocera Corporation Mobile communication system
US10616845B2 (en) * 2016-10-13 2020-04-07 Qualcomm Incorporated Coordinated resource discovery
US10645586B2 (en) * 2016-10-13 2020-05-05 Qualcomm Incorporated Coordinated resource partitioning
CN110249650A (zh) * 2016-12-12 2019-09-17 康普技术有限责任公司 云无线电接入网络系统中的lte-wifi聚合(lwa)支持
US11509515B2 (en) * 2016-12-16 2022-11-22 Qualcomm Incorporated Synchronization signal transmission and detection
US11071073B2 (en) * 2017-04-14 2021-07-20 Qualcomm Incorporated Radio synchronization configuration in different operation modes
US10673552B2 (en) * 2017-04-14 2020-06-02 Qualcomm Incorporated Synchronization signal block designs for wireless communication
US10609660B2 (en) * 2017-04-19 2020-03-31 Qualcomm Incorporated Synchronization for wideband coverage enhancement
US10484954B2 (en) * 2017-05-10 2019-11-19 Qualcomm Incorporated Synchronization for wideband coverage enhancement
US10506578B2 (en) * 2017-04-21 2019-12-10 Apple Inc. Hybrid multi-sync-signal for wideband NR carrier
US10687359B2 (en) * 2017-05-25 2020-06-16 Qualcomm Incorporated System acquisition in a shared radio frequency spectrum band
WO2018223385A1 (zh) * 2017-06-09 2018-12-13 华为技术有限公司 一种基于非授权频谱的同步方法及设备
KR102511587B1 (ko) 2017-10-11 2023-03-16 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 무선 통신 방법, 네트워크 기기 및 단말 기기
US11362878B2 (en) * 2017-11-22 2022-06-14 Qualcomm Incorporated Radio (NR) remaining minimum system information (RMSI) multiplexing and periodicity considerations
WO2019174947A1 (en) * 2018-03-16 2019-09-19 Sony Mobile Communications Inc. Wake-up transmission on a separate carrier
KR102431968B1 (ko) 2018-04-18 2022-08-12 삼성전자 주식회사 무선 통신 시스템에서 동기 신호 송수신 방법 및 장치
CN111030788B (zh) * 2018-10-10 2022-05-31 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
US11863996B2 (en) 2019-03-08 2024-01-02 Samsung Electronics Co., Ltd. Centralized coordination for shared spectrum systems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230232A1 (en) * 2011-03-10 2012-09-13 Samsung Electronics Co., Ltd. Flexible time division duplex method and apparatus for communication system
WO2013010323A1 (en) * 2011-07-20 2013-01-24 Renesas Mobile Corporation Methods and apparatuses for provision of a downlink synchronization group during discontinuous transmission in an unlicensed band
WO2013063808A1 (en) * 2011-11-04 2013-05-10 Renesas Mobile Corporation Method and apparatus for synchronization mechanisms on un-licensed band

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7359459B2 (en) * 2002-02-20 2008-04-15 Freescale Semiconductor, Inc. System and method for low power clear channel assessment
US8089855B2 (en) * 2004-06-04 2012-01-03 Qualcomm Incorporated Transmission of overhead information for broadcast and multicast services in a wireless communication system
US8179871B2 (en) * 2006-03-29 2012-05-15 Samsung Electronics Co., Ltd. Method and system for channel access control for transmission of video information over wireless channels
US8086239B2 (en) * 2006-04-14 2011-12-27 Elmaleh David R Infrastructure for wireless telecommunication networks
US8462676B2 (en) * 2006-10-17 2013-06-11 Intel Corporation Frame structure for support of large delay spread deployment scenarios
US8081712B2 (en) * 2007-02-02 2011-12-20 Interdigital Technology Corporation Method and apparatus for mapping of absolute power grant values in wireless communications
JP4465020B2 (ja) * 2008-09-26 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 移動局及び無線基地局
US8335204B2 (en) * 2009-01-30 2012-12-18 Wi-Lan, Inc. Wireless local area network using TV white space spectrum and long term evolution system architecture
EP2408162B1 (en) * 2009-03-11 2013-06-05 Huawei Technologies Co., Ltd. Method, device and system for identifying different frame structures
US8705419B2 (en) * 2009-10-09 2014-04-22 Qualcomm Incorporated Subframe staggering for relay communication
JP5203400B2 (ja) * 2010-01-14 2013-06-05 株式会社エヌ・ティ・ティ・ドコモ 基地局装置およびシステムインフォメーションの通知方法
US9271167B2 (en) * 2010-04-13 2016-02-23 Qualcomm Incorporated Determination of radio link failure with enhanced interference coordination and cancellation
US9282557B2 (en) * 2010-08-26 2016-03-08 Thomson Licensing White space usage for wireless local area network devices
EP2866514A3 (en) * 2010-11-16 2015-05-20 Interdigital Patent Holdings, Inc. Method and apparatus for wireless direct link operation
KR102164699B1 (ko) * 2010-12-06 2020-10-13 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
US9419776B2 (en) * 2011-02-07 2016-08-16 Interdigital Patent Holdings, Inc. Method and apparatus for operating supplementary cells in licensed exempt spectrum
US9294240B2 (en) * 2011-02-25 2016-03-22 Qualcomm Incorporated Multi-carrier operations with fast frequency hopping
US9106383B2 (en) * 2011-04-11 2015-08-11 Lg Electronics Inc. Method and device for transmitting a signal in a mobile communication system
WO2012169815A2 (ko) * 2011-06-08 2012-12-13 엘지전자 주식회사 Tdd 기반 무선 통신 시스템에서 상향링크 신호 전송 방법 및 장치
US9854446B2 (en) 2011-07-07 2017-12-26 Lg Electronics Inc. Method and apparatus for transmitting a signal in a wireless communication system
CN102917328B (zh) * 2011-08-02 2016-06-08 华为技术有限公司 一种基于特定子帧的指示方法、相关装置以及系统
WO2013071506A1 (en) 2011-11-17 2013-05-23 Renesas Mobile Corporation Methods and apparatuses for provision of reference signal design for downlink tracking in occupied shared band
US20130163501A1 (en) * 2011-12-22 2013-06-27 Qualcomm Incorporated Flexible cyclic prefix management
EP3432666B1 (en) * 2011-12-22 2021-06-16 Interdigital Patent Holdings, Inc. Control signaling in lte carrier aggregation
US9066342B2 (en) * 2012-01-15 2015-06-23 Lg Electronics Inc. Method and apparatus for transmitting control information in wireless communication system
JP6309900B2 (ja) * 2012-01-26 2018-04-11 インターデイジタル パテント ホールディングス インコーポレイテッド Lte共存のための動的パラメータ調整
US9591644B2 (en) 2013-08-16 2017-03-07 Qualcomm Incorporated Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120230232A1 (en) * 2011-03-10 2012-09-13 Samsung Electronics Co., Ltd. Flexible time division duplex method and apparatus for communication system
WO2013010323A1 (en) * 2011-07-20 2013-01-24 Renesas Mobile Corporation Methods and apparatuses for provision of a downlink synchronization group during discontinuous transmission in an unlicensed band
WO2013063808A1 (en) * 2011-11-04 2013-05-10 Renesas Mobile Corporation Method and apparatus for synchronization mechanisms on un-licensed band

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11968680B2 (en) 2016-03-25 2024-04-23 Wilus Institute Of Standards And Technology Inc. Method for uplink channel access to unlicensed band in wireless communication system and apparatus for same
US12501445B2 (en) 2016-03-25 2025-12-16 Wilus Institute Of Standards And Technology Inc. Method for uplink channel access to unlicensed band in wireless communication system and apparatus for same
KR20230074308A (ko) * 2016-07-23 2023-05-26 주식회사 윌러스표준기술연구소 비인가 대역에서 채널 엑세스 방법, 장치 및 시스템
KR102654467B1 (ko) 2016-07-23 2024-04-04 주식회사 윌러스표준기술연구소 비인가 대역에서 채널 엑세스 방법, 장치 및 시스템
US12101264B2 (en) 2016-07-23 2024-09-24 Wilus Institute Of Standards And Technology Inc. Method, apparatus, and system for channel access in unlicensed band

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US10362487B2 (en) 2019-07-23
US20170181003A1 (en) 2017-06-22
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JP7072620B2 (ja) 2022-05-20
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EP3033910A2 (en) 2016-06-22

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