CN105453654B - 利用未许可频谱的lte/lte-a通信系统的下行链路过程 - Google Patents

利用未许可频谱的lte/lte-a通信系统的下行链路过程 Download PDF

Info

Publication number
CN105453654B
CN105453654B CN201480045152.1A CN201480045152A CN105453654B CN 105453654 B CN105453654 B CN 105453654B CN 201480045152 A CN201480045152 A CN 201480045152A CN 105453654 B CN105453654 B CN 105453654B
Authority
CN
China
Prior art keywords
cca
lte
unlicensed spectrum
base station
signal
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
CN201480045152.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN105453654A (zh
Inventor
W·陈
P·加尔
D·马拉蒂
骆涛
A·达姆尼亚诺维奇
N·布尚
季庭方
魏永斌
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to CN201811397305.5A priority Critical patent/CN109561483B/zh
Publication of CN105453654A publication Critical patent/CN105453654A/zh
Application granted granted Critical
Publication of CN105453654B publication Critical patent/CN105453654B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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]

Landscapes

  • 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)
CN201480045152.1A 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程 Active CN105453654B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811397305.5A CN109561483B (zh) 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程

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 2014-08-14
US14/459,651 US9591644B2 (en) 2013-08-16 2014-08-14 Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum
PCT/US2014/051184 WO2015023910A2 (en) 2013-08-16 2014-08-15 Downlink procedures for lte/lte-a communication systems with unlicensed spectrum

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201811397305.5A Division CN109561483B (zh) 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程

Publications (2)

Publication Number Publication Date
CN105453654A CN105453654A (zh) 2016-03-30
CN105453654B true CN105453654B (zh) 2018-12-04

Family

ID=52466807

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201480045152.1A Active CN105453654B (zh) 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程
CN201811397305.5A Active CN109561483B (zh) 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201811397305.5A Active CN109561483B (zh) 2013-08-16 2014-08-15 利用未许可频谱的lte/lte-a通信系统的下行链路过程

Country Status (7)

Country Link
US (2) US9591644B2 (https=)
EP (2) EP3965475A1 (https=)
JP (3) JP6449883B2 (https=)
KR (2) KR102238673B1 (https=)
CN (2) CN105453654B (https=)
CA (1) CA2917774C (https=)
WO (1) WO2015023910A2 (https=)

Families Citing this family (87)

* 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
EP3767972B1 (en) * 2014-09-18 2023-11-29 Sony Group Corporation Apparatus and method for improved multicast reception
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
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
US20160227568A1 (en) * 2015-01-30 2016-08-04 Htc Corporation Method of Handling Carrier Grouping and Related Communication Device
US10136452B2 (en) * 2015-02-24 2018-11-20 Qualcomm Incorporated Enhanced PRACH for standalone contention based communications including unlicensed spectrum
WO2016144002A1 (ko) * 2015-03-09 2016-09-15 엘지전자 주식회사 비면허 주파수에 의해 점유된 서브프레임을 통한 통신 방법 및 장치
CN107535003A (zh) * 2015-03-13 2018-01-02 瑞典爱立信有限公司 用于在未许可频谱上通信的技术
US10721644B2 (en) 2015-03-19 2020-07-21 Lg Electronics Inc. Method for reporting channel state information for discontinuous transmission in wireless communication system and device for same
EP3073693B1 (en) 2015-03-24 2020-07-22 Panasonic Intellectual Property Corporation of America PDSCH precoding adaptation for LTE in unlicensed bands
CN107534992B (zh) * 2015-03-24 2020-11-03 Lg 电子株式会社 上行链路数据发送方法和用户设备以及上行链路数据接收方法和基站
CN107438968B (zh) * 2015-04-03 2021-01-15 Lg 电子株式会社 在无线通信系统中借助于未授权带接收下行链路信号的方法及其设备
US10250420B2 (en) 2015-04-10 2019-04-02 Motorola Mobility Llc Method and apparatus for reception of control signaling
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
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
KR102105050B1 (ko) 2015-05-13 2020-04-27 엘지전자 주식회사 비면허 대역에서의 랜덤 액세스 과정을 수행하는 방법 및 기기
US10070272B2 (en) * 2015-05-15 2018-09-04 Qualcomm Incorporated Shared broadcast
JP2016220209A (ja) 2015-05-22 2016-12-22 エイスーステック コンピューター インコーポレーテッドASUSTeK COMPUTER INC. 無線通信システムにおける基準信号送信を実行するための方法および装置
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
KR102461849B1 (ko) * 2015-07-24 2022-11-01 애플 인크. 협대역 lte 구축을 위한 동기화 신호 및 채널 구조
US10206189B2 (en) 2015-07-27 2019-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband LTE cell search
EP4318996A3 (en) * 2015-07-30 2024-02-21 Apple Inc. Physical broadcast channel design
US9930498B2 (en) * 2015-07-31 2018-03-27 Qualcomm Incorporated Techniques for multimedia broadcast multicast service transmissions in unlicensed spectrum
EP3167643B1 (en) * 2015-07-31 2026-04-15 Nec Corporation Method and apparatus for performing transmission
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
EP4247096A3 (en) * 2015-08-14 2023-11-22 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
US10542492B2 (en) 2015-09-23 2020-01-21 Lg Electronics Inc. Method for DRX in unlicensed band, and device using same
US11212760B2 (en) * 2015-09-24 2021-12-28 Qualcomm Incorporated Common synchronization channel design for narrowband communications
WO2017078463A1 (ko) 2015-11-04 2017-05-11 주식회사 윌러스표준기술연구소 비인가 대역에서 신호 전송 방법, 장치 및 시스템
CN112636864B (zh) * 2015-11-05 2024-07-19 苹果公司 基站或用户设备的装置、基带处理器、方法和存储介质
US10736076B2 (en) * 2016-02-04 2020-08-04 Qualcomm Incorporated Methods and apparatus for paging in unlicensed communication channels
EP3412102B8 (en) 2016-02-04 2025-08-20 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
CN114499807B (zh) 2016-03-25 2024-08-06 韦勒斯标准与技术协会公司 在无线通信系统中对非授权带的上行链路信道接入的方法及其装置
EP3793124B1 (en) * 2016-03-30 2025-12-17 InterDigital Patent Holdings, Inc. Method and apparatus for determining control channel characteristics
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
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US11218236B2 (en) 2016-06-01 2022-01-04 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10887035B2 (en) 2016-06-01 2021-01-05 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
ES3051162T3 (en) * 2016-06-21 2025-12-26 Guangdong Oppo Mobile Telecommunications Corp Ltd Multiple synchronization signals in a single transmission period
US10517021B2 (en) 2016-06-30 2019-12-24 Evolve Cellular Inc. Long term evolution-primary WiFi (LTE-PW)
WO2018021783A1 (ko) * 2016-07-23 2018-02-01 주식회사 윌러스표준기술연구소 비인가 대역에서 채널 엑세스 방법, 장치 및 시스템
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
EP3471312B1 (en) * 2016-08-10 2021-09-08 LG Electronics Inc. Method and device for transceiving broadcast channel signals in mobile communication system
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
US10645586B2 (en) * 2016-10-13 2020-05-05 Qualcomm Incorporated Coordinated resource partitioning
US10616845B2 (en) * 2016-10-13 2020-04-07 Qualcomm Incorporated Coordinated resource discovery
EP3552420B1 (en) * 2016-12-12 2023-03-08 Commscope Technologies LLC Lte-wifi aggregation (lwa) support in a cloud-ran system
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
US10484954B2 (en) * 2017-05-10 2019-11-19 Qualcomm Incorporated Synchronization for wideband coverage enhancement
US10609660B2 (en) * 2017-04-19 2020-03-31 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
US12363638B2 (en) * 2018-03-16 2025-07-15 Sony Corporation 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102577174A (zh) * 2009-10-09 2012-07-11 高通股份有限公司 用于中继通信的子帧交错
WO2013006006A2 (ko) * 2011-07-07 2013-01-10 엘지전자 주식회사 무선통신시스템에서 신호 전송 방법 및 장치
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 (26)

* 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
US8582596B2 (en) * 2004-06-04 2013-11-12 Qualcomm Incorporated Coding and modulation 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
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
WO2012026935A1 (en) * 2010-08-26 2012-03-01 Thomson Licensing White space usage for wireless local area network devices
CN105722051A (zh) * 2010-11-16 2016-06-29 交互数字专利控股公司 用于直接链路操作的方法和中央实体
KR102164699B1 (ko) * 2010-12-06 2020-10-13 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
KR101738529B1 (ko) * 2011-02-07 2017-05-23 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서 보충 셀을 동작시키는 방법 및 장치
US9294240B2 (en) * 2011-02-25 2016-03-22 Qualcomm Incorporated Multi-carrier operations with fast frequency hopping
KR101859594B1 (ko) * 2011-03-10 2018-06-28 삼성전자 주식회사 통신시스템에서 시분할복신 지원 방법 및 장치
WO2012141463A2 (ko) * 2011-04-11 2012-10-18 엘지전자 주식회사 이동통신시스템에서 신호 전송 방법 및 장치
JP5680255B2 (ja) * 2011-06-08 2015-03-04 エルジー エレクトロニクス インコーポレイティド Tddベースの無線通信システムにおけるアップリンク信号送信方法及び装置
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
EP2795981A1 (en) * 2011-12-22 2014-10-29 Interdigital Patent Holdings, Inc. Control signaling in lte carrier aggregation
WO2013105838A1 (ko) * 2012-01-15 2013-07-18 엘지전자 주식회사 무선 통신 시스템에서 제어 정보 전송 방법 및 장치
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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102577174A (zh) * 2009-10-09 2012-07-11 高通股份有限公司 用于中继通信的子帧交错
WO2013006006A2 (ko) * 2011-07-07 2013-01-10 엘지전자 주식회사 무선통신시스템에서 신호 전송 방법 및 장치
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
LTE-Advance参考信号的设计研究;翟明;《南京邮电大学》;20110621;全文 *
SSS Detection Method for Initial Cell Search;Jung-In Kim;《International conference on communication & information Technologies》;20091201;全文 *

Also Published As

Publication number Publication date
JP7072620B2 (ja) 2022-05-20
CN105453654A (zh) 2016-03-30
CN109561483B (zh) 2021-10-29
US10362487B2 (en) 2019-07-23
WO2015023910A3 (en) 2015-04-09
US20150049741A1 (en) 2015-02-19
EP3033910B1 (en) 2021-07-28
JP2019068449A (ja) 2019-04-25
KR102238673B1 (ko) 2021-04-08
KR20160042995A (ko) 2016-04-20
US9591644B2 (en) 2017-03-07
WO2015023910A2 (en) 2015-02-19
JP6449883B2 (ja) 2019-01-09
JP2016530815A (ja) 2016-09-29
KR20210038732A (ko) 2021-04-07
EP3965475A1 (en) 2022-03-09
CA2917774C (en) 2023-05-23
US20170181003A1 (en) 2017-06-22
CA2917774A1 (en) 2015-02-19
JP6824946B2 (ja) 2021-02-03
JP2021002870A (ja) 2021-01-07
KR102355378B1 (ko) 2022-01-24
CN109561483A (zh) 2019-04-02
EP3033910A2 (en) 2016-06-22

Similar Documents

Publication Publication Date Title
CN105453654B (zh) 利用未许可频谱的lte/lte-a通信系统的下行链路过程
KR101911337B1 (ko) 기준 신호 자원 할당
CN110708153B (zh) 在未许可射频频谱上的无线通信
KR101886749B1 (ko) 협력형 통신 시스템들에 대한 채널 사용 비콘 신호 설계
EP3979741B1 (en) Physical layer signaling on different physical resources
CN106031112B (zh) 具有无执照频谱的lte/lte-a网络中的天线选择
CN106465429B (zh) 一种无线通信方法及装置
CN111294963B (zh) 在利用非许可频谱的lte/lte-a中的重新同步管理
CN107113130A (zh) 用于具有免许可频谱的lte/lte‑a的多信道csi反馈
KR20160129880A (ko) 비허가된 스펙트럼을 이용하는 lte/lte-a 네트워크들에서 2차 셀들에 대한 타이머 구성

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Chen Wanshi

Inventor after: P.Gard

Inventor after: D.Marati

Inventor after: Luo Tao

Inventor after: A.Damjanovic

Inventor after: N.Buchan

Inventor after: Ji Tingfang

Inventor after: Wei Yongbin

Inventor before: W*Chen

Inventor before: P.Gard

Inventor before: D.Marati

Inventor before: Luo Tao

Inventor before: A.Damjanovic

Inventor before: N.Buchan

Inventor before: Ji Tingfang

Inventor before: Wei Yongbin

CB03 Change of inventor or designer information