CA2917774C - Downlink procedures for lte/lte-a communication systems with unlicensed spectrum - Google Patents
Downlink procedures for lte/lte-a communication systems with unlicensed spectrum Download PDFInfo
- Publication number
- CA2917774C CA2917774C CA2917774A CA2917774A CA2917774C CA 2917774 C CA2917774 C CA 2917774C CA 2917774 A CA2917774 A CA 2917774A CA 2917774 A CA2917774 A CA 2917774A CA 2917774 C CA2917774 C CA 2917774C
- Authority
- CA
- Canada
- Prior art keywords
- cca
- lte
- unlicensed spectrum
- base station
- subframe
- 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
Links
- 238000001228 spectrum Methods 0.000 title claims abstract description 200
- 238000004891 communication Methods 0.000 title claims abstract description 122
- 238000000034 method Methods 0.000 title claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 111
- 125000004122 cyclic group Chemical group 0.000 claims description 31
- 230000002776 aggregation Effects 0.000 claims description 23
- 238000004220 aggregation Methods 0.000 claims description 23
- 239000000969 carrier Substances 0.000 claims description 15
- 230000000153 supplemental effect Effects 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 11
- 230000006870 function Effects 0.000 claims description 9
- 230000004044 response Effects 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 14
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 49
- 230000002457 bidirectional effect Effects 0.000 description 24
- 238000005259 measurement Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000011664 signaling Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008450 motivation Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012772 sequence design Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/0015—Synchronization between nodes one node acting as a reference for the others
-
- 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
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- 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
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
- H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
- H04J2211/005—Long 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)
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2917774A1 CA2917774A1 (en) | 2015-02-19 |
| CA2917774C true CA2917774C (en) | 2023-05-23 |
Family
ID=52466807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2917774A Active CA2917774C (en) | 2013-08-16 | 2014-08-15 | Downlink procedures for lte/lte-a communication systems with unlicensed spectrum |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US9591644B2 (cg-RX-API-DMAC7.html) |
| EP (2) | EP3965475A1 (cg-RX-API-DMAC7.html) |
| JP (3) | JP6449883B2 (cg-RX-API-DMAC7.html) |
| KR (2) | KR102238673B1 (cg-RX-API-DMAC7.html) |
| CN (2) | CN109561483B (cg-RX-API-DMAC7.html) |
| CA (1) | CA2917774C (cg-RX-API-DMAC7.html) |
| WO (1) | WO2015023910A2 (cg-RX-API-DMAC7.html) |
Families Citing this family (87)
| 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 |
| 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 |
| US9986518B2 (en) * | 2014-07-03 | 2018-05-29 | Qualcomm Incorporated | Transmission and reception of synchronization signals over an unlicensed radio frequency spectrum band |
| 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 |
| 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 |
| 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 |
| WO2016153290A1 (ko) * | 2015-03-24 | 2016-09-29 | 엘지전자 주식회사 | 상향링크 데이터 전송 방법 및 사용자기기와, 상향링크 데이터 수신 방법 및 기지국 |
| US10193677B2 (en) | 2015-04-03 | 2019-01-29 | Lg Electronics Inc. | Method for receiving downlink signal by means of unlicensed band in wireless communication system and device for same |
| 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 |
| US9647864B2 (en) * | 2015-04-10 | 2017-05-09 | Motorola Mobility Llc | Method and apparatus for reception of control signaling |
| US10122558B2 (en) | 2015-04-10 | 2018-11-06 | 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 |
| KR102150681B1 (ko) | 2015-05-13 | 2020-09-01 | 엘지전자 주식회사 | 비면허 대역에서의 랜덤 액세스 과정을 수행하는 방법 및 기기 |
| US10070272B2 (en) * | 2015-05-15 | 2018-09-04 | Qualcomm Incorporated | Shared broadcast |
| KR101865463B1 (ko) | 2015-05-22 | 2018-06-07 | 아서스테크 컴퓨터 인코포레이션 | 무선 통신 시스템에서 기준 신호 송신을 구현하는 방법 및 장치 |
| 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 |
| US10863459B2 (en) * | 2015-07-24 | 2020-12-08 | Apple Inc. | Synchronization signals and channel structure for narrowband LTE deployments |
| US10206189B2 (en) | 2015-07-27 | 2019-02-12 | Telefonaktiebolaget Lm Ericsson (Publ) | Narrowband LTE cell search |
| WO2017019120A1 (en) | 2015-07-30 | 2017-02-02 | Intel IP Corporation | Physical broadcast channel design |
| US11432160B2 (en) | 2015-07-31 | 2022-08-30 | Nec Corporation | Method and apparatus for performing transmission |
| 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 |
| CN107925993B (zh) * | 2015-08-14 | 2022-05-31 | 联想创新有限公司（香港) | 无线通信系统中的灵活上行链路/下行链路传输 |
| 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 |
| 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 |
| WO2017164719A1 (ko) | 2016-03-25 | 2017-09-28 | 주식회사 윌러스표준기술연구소 | 무선 통신 시스템에서 비인가 대역으로의 상향링크 채널 액세스 방법 및 이를 위한 장치 |
| EP3437418A1 (en) | 2016-03-30 | 2019-02-06 | IDAC Holdings, Inc. | Method for initial access using signatures |
| 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 |
| US10887035B2 (en) | 2016-06-01 | 2021-01-05 | 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 |
| US11563505B2 (en) | 2016-06-01 | 2023-01-24 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| US11218236B2 (en) | 2016-06-01 | 2022-01-04 | Qualcomm Incorporated | Time division multiplexing of synchronization channels |
| CN109076433B (zh) * | 2016-06-21 | 2020-08-04 | Oppo广东移动通信有限公司 | 传输信号的方法、网络设备和终端设备 |
| US10517021B2 (en) | 2016-06-30 | 2019-12-24 | Evolve Cellular Inc. | Long term evolution-primary WiFi (LTE-PW) |
| KR102278751B1 (ko) | 2016-07-23 | 2021-07-19 | 주식회사 윌러스표준기술연구소 | 비인가 대역에서 채널 엑세스 방법, 장치 및 시스템 |
| EP3855812B1 (en) | 2016-08-08 | 2022-10-05 | LG Electronics Inc. | Method and device for reporting csi |
| 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 |
| WO2018070355A1 (ja) * | 2016-10-11 | 2018-04-19 | 京セラ株式会社 | 移動通信システム |
| 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 |
| CN110786061B (zh) | 2017-10-11 | 2025-04-11 | Oppo广东移动通信有限公司 | 无线通信方法、网络设备和终端设备 |
| US11362878B2 (en) * | 2017-11-22 | 2022-06-14 | Qualcomm Incorporated | Radio (NR) remaining minimum system information (RMSI) multiplexing and periodicity considerations |
| CN111919467B (zh) * | 2018-03-16 | 2024-08-13 | 索尼集团公司 | 单独载波上的唤醒传送 |
| 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 |
Family Cites Families (30)
| 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 |
| US7920884B2 (en) * | 2004-06-04 | 2011-04-05 | Qualcomm Incorporated | Frame structures for a wireless communication system with multiple radio technologies |
| 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 |
| WO2012026935A1 (en) * | 2010-08-26 | 2012-03-01 | Thomson Licensing | White space usage for wireless local area network devices |
| US20120120892A1 (en) * | 2010-11-16 | 2012-05-17 | Interdigital Patent Holdings, Inc. | Method and apparatus for wireless direct link operation |
| JP5746364B2 (ja) * | 2010-12-06 | 2015-07-08 | 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 | ライセンス不要スペクトルでワイヤレス動作を可能にする方法 |
| 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 |
| 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 |
| WO2012169815A2 (ko) * | 2011-06-08 | 2012-12-13 | 엘지전자 주식회사 | Tdd 기반 무선 통신 시스템에서 상향링크 신호 전송 방법 및 장치 |
| WO2013006006A2 (ko) | 2011-07-07 | 2013-01-10 | 엘지전자 주식회사 | 무선통신시스템에서 신호 전송 방법 및 장치 |
| US9307415B2 (en) | 2011-07-20 | 2016-04-05 | Broadcom Corporation | Methods and apparatuses for provision of a downlink synchronization group during discontinuous transmission in an unlicensed band |
| 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 |
| US9603025B2 (en) | 2011-11-04 | 2017-03-21 | Broadcom Corporation | Method and apparatus for synchronization mechanisms on un-licensed band |
| US20150043520A1 (en) | 2011-11-17 | 2015-02-12 | Broadcom 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 |
| CN108322297B (zh) * | 2011-12-22 | 2021-09-21 | 交互数字专利控股公司 | 无线发射接收单元wtru及无线发射接收方法 |
| US9066342B2 (en) * | 2012-01-15 | 2015-06-23 | Lg Electronics Inc. | Method and apparatus for transmitting control information in wireless communication system |
| US20130208587A1 (en) * | 2012-01-26 | 2013-08-15 | Interdigital Patent Holdings, Inc. | Dynamic parameter adjustment for lte coexistence |
| US9591644B2 (en) | 2013-08-16 | 2017-03-07 | Qualcomm Incorporated | Downlink procedures for LTE/LTE-A communication systems with unlicensed spectrum |
-
2014
- 2014-08-14 US US14/459,651 patent/US9591644B2/en active Active
- 2014-08-15 KR KR1020167006301A patent/KR102238673B1/ko active Active
- 2014-08-15 CA CA2917774A patent/CA2917774C/en active Active
- 2014-08-15 KR KR1020217009904A patent/KR102355378B1/ko active Active
- 2014-08-15 EP EP21187597.6A patent/EP3965475A1/en active Pending
- 2014-08-15 CN CN201811397305.5A patent/CN109561483B/zh active Active
- 2014-08-15 JP JP2016534856A patent/JP6449883B2/ja active Active
- 2014-08-15 CN CN201480045152.1A patent/CN105453654B/zh active Active
- 2014-08-15 WO PCT/US2014/051184 patent/WO2015023910A2/en not_active Ceased
- 2014-08-15 EP EP14761457.2A patent/EP3033910B1/en active Active
-
2017
- 2017-03-06 US US15/451,263 patent/US10362487B2/en active Active
-
2018
- 2018-12-06 JP JP2018228784A patent/JP6824946B2/ja active Active
-
2020
- 2020-09-25 JP JP2020160974A patent/JP7072620B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP3033910B1 (en) | 2021-07-28 |
| KR102238673B1 (ko) | 2021-04-08 |
| CN109561483B (zh) | 2021-10-29 |
| EP3965475A1 (en) | 2022-03-09 |
| CN105453654A (zh) | 2016-03-30 |
| KR20160042995A (ko) | 2016-04-20 |
| EP3033910A2 (en) | 2016-06-22 |
| CN105453654B (zh) | 2018-12-04 |
| CA2917774A1 (en) | 2015-02-19 |
| JP6449883B2 (ja) | 2019-01-09 |
| JP2019068449A (ja) | 2019-04-25 |
| WO2015023910A2 (en) | 2015-02-19 |
| US20170181003A1 (en) | 2017-06-22 |
| CN109561483A (zh) | 2019-04-02 |
| KR102355378B1 (ko) | 2022-01-24 |
| JP6824946B2 (ja) | 2021-02-03 |
| JP2016530815A (ja) | 2016-09-29 |
| US20150049741A1 (en) | 2015-02-19 |
| KR20210038732A (ko) | 2021-04-07 |
| WO2015023910A3 (en) | 2015-04-09 |
| US9591644B2 (en) | 2017-03-07 |
| US10362487B2 (en) | 2019-07-23 |
| JP7072620B2 (ja) | 2022-05-20 |
| JP2021002870A (ja) | 2021-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2917774C (en) | Downlink procedures for lte/lte-a communication systems with unlicensed spectrum | |
| KR101911337B1 (ko) | 기준 신호 자원 할당 | |
| EP3061300B1 (en) | Channel usage beacon signal design for cooperative communication systems | |
| 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 | |
| AU2015307020B2 (en) | Re-synchronization management in LTE/LTE-A with unlicensed spectrum | |
| CN108029118B (zh) | 在特殊子帧中增加的上行链路导频时隙长度 | |
| BR112016003172B1 (pt) | Procedimentos de downlink para sistemas de comunicação lte-a com espectro não licenciado |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20190724 |
|
| EEER | Examination request |
Effective date: 20190724 |
|
| EEER | Examination request |
Effective date: 20190724 |
|
| EEER | Examination request |
Effective date: 20190724 |
|
| EEER | Examination request |
Effective date: 20190724 |
|
| EEER | Examination request |
Effective date: 20190724 |