CN106576019B - 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置 - Google Patents

在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置 Download PDF

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Publication number
CN106576019B
CN106576019B CN201580043026.7A CN201580043026A CN106576019B CN 106576019 B CN106576019 B CN 106576019B CN 201580043026 A CN201580043026 A CN 201580043026A CN 106576019 B CN106576019 B CN 106576019B
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reference signal
base station
identifier
subframe
csi
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CN106576019A (zh
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S·马利克
骆涛
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Qualcomm Inc
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Qualcomm Inc
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0643—Feedback on request
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
CN201580043026.7A 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置 Active CN106576019B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910916805.3A CN110635834B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201462036296P 2014-08-12 2014-08-12
US62/036,296 2014-08-12
US14/818,049 2015-08-04
US14/818,049 US9900074B2 (en) 2014-08-12 2015-08-04 CSI request procedure in LTE/LTE-A with unlicensed spectrum
PCT/US2015/043758 WO2016025262A1 (en) 2014-08-12 2015-08-05 Csi request procedure in lte/lte-a with unlicensed spectrum

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201910916805.3A Division CN110635834B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程

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CN106576019A CN106576019A (zh) 2017-04-19
CN106576019B true CN106576019B (zh) 2019-10-22

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CN201910916805.3A Active CN110635834B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程

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US (4) US9900074B2 (2)
EP (1) EP3180878B1 (2)
JP (3) JP6599432B2 (2)
KR (1) KR102383068B1 (2)
CN (2) CN106576019B (2)
AU (1) AU2015302075B2 (2)
ES (1) ES2856484T3 (2)
WO (1) WO2016025262A1 (2)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9900074B2 (en) 2014-08-12 2018-02-20 Qualcomm Incorporated CSI request procedure in LTE/LTE-A with unlicensed spectrum
EP3202178B1 (en) * 2014-10-03 2020-04-22 Telefonaktiebolaget LM Ericsson (publ) Measurement procedures for operation in unlicensed spectrum
ES2827698T3 (es) * 2014-11-07 2021-05-24 Nokia Solutions & Networks Oy Transmisión de señales de referencia de descubrimiento en una portadora sin licencia en una red inalámbrica
EP3817270B1 (en) * 2014-11-20 2023-09-20 Panasonic Intellectual Property Corporation of America Improved csi reporting for unlicensed carriers from a mobile station to a base station
US10142983B2 (en) * 2015-01-28 2018-11-27 Institute For Information Industry Licensed assisted access network system
CN105916155B (zh) * 2015-01-28 2019-11-05 财团法人资讯工业策进会 授权辅助存取网络系统
US9775153B2 (en) * 2015-01-28 2017-09-26 Alcatel Lucent Allocation of unlicensed frequency bands for a wireless hotspot
TWI767306B (zh) * 2015-11-10 2022-06-11 美商Ｉｄａｃ控股公司 波束成形系統下行控制頻道設計及傳訊
WO2017161601A1 (zh) * 2016-03-23 2017-09-28 华为技术有限公司 一种导频信号发送方法及基站
DE102016205054A1 (de) 2016-03-24 2017-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Telegrammaufteilungsübertragungsverfahren für bidirektionale netze
WO2017162287A1 (en) * 2016-03-24 2017-09-28 Telefonaktiebolaget Lm Ericsson (Publ) Configuration and reporting of mobility measurements
JP2019516291A (ja) * 2016-03-31 2019-06-13 ドコモ イノヴェーションズ インクＤｏｃｏｍｏ Ｉｎｎｏｖａｔｉｏｎｓ， Ｉｎｃ． 非周期的信号を送信する方法、基地局及びユーザ装置
ES2943908T3 (es) * 2016-05-13 2023-06-16 Ericsson Telefon Ab L M Retroalimentación de CSI de resolución múltiple
US10342001B2 (en) * 2016-05-20 2019-07-02 National Taiwan University Base station and user equipment having on-demand signalling mechanism in directional wireless communication system
CN110050482B (zh) * 2016-12-09 2021-10-15 瑞典爱立信有限公司 基于信号集灵活定义小区的方法
CN110199485A (zh) * 2017-01-05 2019-09-03 瑞典爱立信有限公司 无线设备、服务网络节点及其相应的用于彼此通信的方法
US10779328B2 (en) * 2017-11-27 2020-09-15 Qualcomm Incorporated Reference signal and preempted resources collision handling
US11595952B2 (en) * 2018-04-27 2023-02-28 Qualcomm Incorporated Aperiodic channel state information sharing across user equipment
US11057092B2 (en) 2018-08-10 2021-07-06 At&T Intellectual Property I, L.P. Facilitating fast channel state information computation for 5G wireless communication systems
CN113169764B (zh) 2018-11-27 2024-11-19 艾斯康实验室公司 非相干协作式多输入多输出通信
CN113497690A (zh) * 2020-04-03 2021-10-12 展讯通信（上海）有限公司 参考信号确定方法、装置、电子设备及存储介质
CN115428513A (zh) 2020-04-15 2022-12-02 艾斯康实验室公司 无线网络多点关联性和多路径
CA3178604A1 (en) 2020-05-26 2021-12-02 XCOM Labs, Inc. Interference-aware beamforming
US11950201B2 (en) * 2020-07-29 2024-04-02 Qualcomm Incorporated Triggering of an aperiodic or semi-periodic positioning reference signal procedure
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems
EP4264852A4 (en) 2020-12-16 2025-02-05 Xcom Labs, Inc. WIRELESS COMMUNICATION WITH QUASI-OMNI AND DIRECTED BEAMS
US12144023B2 (en) 2021-07-22 2024-11-12 Apple Inc. Configuring listen before talk and short control signaling in unlicensed spectrum
EP4158937B1 (en) * 2021-08-04 2025-03-19 Apple Inc. Improved receiver assisted access mechanism in the new radio unlicensed spectrum
WO2023060442A1 (zh) * 2021-10-12 2023-04-20 北京小米移动软件有限公司 一种有效信息指示方法、装置、用户设备、网络侧设备及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011116823A1 (en) * 2010-03-25 2011-09-29 Nokia Siemens Networks Oy Signalling of channel information
CN102281128A (zh) * 2011-08-08 2011-12-14 电信科学技术研究院 信道状态信息反馈触发及反馈方法和设备
CN102845011A (zh) * 2010-02-23 2012-12-26 高通股份有限公司 信道状态信息参考信号
CN103580742A (zh) * 2012-08-03 2014-02-12 上海贝尔股份有限公司 控制csi报告的方法及装置
CN103580818A (zh) * 2012-07-31 2014-02-12 中兴通讯股份有限公司 一种信道状态信息的反馈方法、基站和终端

Family Cites Families (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1031298A (en) 1911-09-22 1912-07-02 Joshua W Mayer Lorgnette.
US10193678B2 (en) 2009-10-08 2019-01-29 Qualcomm Incorporated Muting schemes for channel state information reference signal and signaling thereof
US9814003B2 (en) * 2009-11-06 2017-11-07 Blackberry Limited Transmission of information in a wireless communication system
US20120270535A1 (en) * 2009-12-17 2012-10-25 Texas Instruments Incorporated Implicit CSI Feedback for DL Multiuser MIMO Transmission
EP2522095A2 (en) * 2010-01-08 2012-11-14 InterDigital Patent Holdings, Inc. Channel state information transmission for multiple carriers
JP4913222B2 (ja) * 2010-02-12 2012-04-11 シャープ株式会社 無線通信システム、移動局装置、無線通信方法および集積回路
KR101807875B1 (ko) * 2010-03-05 2017-12-12 엘지전자 주식회사 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치
US9237583B2 (en) * 2010-05-03 2016-01-12 Qualcomm Incorporated Resource availability for PDSCH in relay backhaul transmissions
US8995465B2 (en) 2010-05-04 2015-03-31 Qualcomm Incorporated Reference signal patterns
US9136997B2 (en) 2010-05-04 2015-09-15 Qualcomm Incorporated Methods and apparatuses for using channel state information reference signals
KR20110126034A (ko) * 2010-05-14 2011-11-22 엘지전자 주식회사 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치
US8743799B2 (en) * 2010-06-24 2014-06-03 Nokia Siemens Networks Oy Change of rate matching modes in presence of channel state information reference signal transmission
CN101924610B (zh) * 2010-08-02 2012-12-26 西安电子科技大学 Lte-a系统中信道状态信息参考信号csi-rs的设计与分配方法
JP2013535941A (ja) * 2010-08-16 2013-09-12 ノキア シーメンス ネットワークス オサケユキチュア 基準信号の送信
US9154277B2 (en) * 2010-09-22 2015-10-06 Texas Instruments Incorporated Resource allocation and signaling for aperiodic sounding
ES2788301T3 (es) * 2010-11-17 2020-10-21 Lg Electronics Inc Método y dispositivo para notificar aperiódicamente información de estado de canal en un sistema de conexión inalámbrica
KR102032101B1 (ko) * 2010-12-06 2019-10-14 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
CN103314627B (zh) * 2011-01-07 2017-11-14 富士通株式会社 触发非周期的测量参考信号的方法、基站和用户设备
JP5462203B2 (ja) * 2011-02-18 2014-04-02 株式会社Ｎｔｔドコモ 非周期的チャネル状態情報通知方法、無線基地局装置、ユーザ端末
US9237563B2 (en) * 2011-03-02 2016-01-12 Lg Electronics Inc. Method and device for transmitting control information in wireless communication system
US9155080B2 (en) * 2011-03-03 2015-10-06 Lg Electronics Inc. Method and device for transmitting control information in wireless communication system
CN102684850B (zh) * 2011-03-11 2017-07-04 夏普株式会社 信道状态信息反馈方法、用户设备和基站
US9331826B2 (en) * 2011-04-13 2016-05-03 Lg Electronics Inc. Method and apparatus for transmitting control information in a wireless communication system
US10085164B2 (en) * 2011-04-28 2018-09-25 Qualcomm Incorporated System and method for managing invalid reference subframes for channel state information feedback
HUE056633T2 (hu) * 2011-06-10 2022-02-28 Qualcomm Inc Eljárás és berendezés aperiodikus csatornaállapot-információ továbbítására vezeték nélküli kommunikációs rendszerben
TW201322681A (zh) * 2011-09-26 2013-06-01 Innovative Sonic Corp 無線通訊系統中處理通道狀態資訊之方法和通訊設備
US9497711B2 (en) * 2011-10-03 2016-11-15 Sun Patent Trust Terminal, base station, and communication method
EP2953411B1 (en) 2011-10-31 2017-08-16 Samsung Electronics Co., Ltd Feedback method, user equipment, and network device for cooperative multi-point communication in communication system
GB2496198B (en) * 2011-11-07 2014-03-19 Broadcom Corp Apparatus, methods and computer programs for coordinated multipoint transmission
KR102524731B1 (ko) * 2012-01-27 2023-04-21 인터디지탈 패튼 홀딩스, 인크 다중 캐리어 기반형 및/또는 의사 조합형 네트워크에서 epdcch를 제공하는 시스템 및/또는 방법
US9973955B2 (en) * 2012-03-16 2018-05-15 Futurewei Technologies, Inc. Systems and methods for reference signals and CSI feedback
US9155098B2 (en) * 2012-03-29 2015-10-06 Qualcomm Incorporated Channel state information reference signal (CSI-RS) configuration and CSI reporting restrictions
US8874103B2 (en) * 2012-05-11 2014-10-28 Intel Corporation Determining proximity of user equipment for device-to-device communication
JP6010341B2 (ja) * 2012-05-21 2016-10-19 シャープ株式会社 基地局装置、移動局装置、測定方法、および集積回路
WO2013181394A1 (en) * 2012-05-31 2013-12-05 Interdigital Patent Holdings, Inc. Device-to-device (d2d) link adaptation
US9456358B2 (en) * 2012-08-13 2016-09-27 Qualcomm Incorporated Method and apparatus for indicating active channel state information reference signal (CSI-RS) configurations
BR122016013802B1 (pt) 2012-09-28 2022-05-24 Apple Inc Decodificação cega para um canal de controle de enlace descendente físico intensificado (epdcch)
WO2014054887A1 (ko) * 2012-10-02 2014-04-10 한양대학교 산학협력단 하향링크 신호 및 채널의 전송방법 및 수신방법, 그 단말, 그 기지국
US11139862B2 (en) 2012-11-02 2021-10-05 Samsung Electronics Co., Ltd. Configuration of rate matching and interference measurement resources for coordinated multi-point transmission
JP6524552B2 (ja) * 2013-06-26 2019-06-05 シャープ株式会社 端末装置、基地局装置、および通信方法
US10341890B2 (en) 2013-12-13 2019-07-02 Qualcomm Incorporated CSI feedback in LTE/LTE-advanced systems with unlicensed spectrum
US9900074B2 (en) 2014-08-12 2018-02-20 Qualcomm Incorporated CSI request procedure in LTE/LTE-A with unlicensed spectrum

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102845011A (zh) * 2010-02-23 2012-12-26 高通股份有限公司 信道状态信息参考信号
WO2011116823A1 (en) * 2010-03-25 2011-09-29 Nokia Siemens Networks Oy Signalling of channel information
CN102281128A (zh) * 2011-08-08 2011-12-14 电信科学技术研究院 信道状态信息反馈触发及反馈方法和设备
CN103580818A (zh) * 2012-07-31 2014-02-12 中兴通讯股份有限公司 一种信道状态信息的反馈方法、基站和终端
CN103580742A (zh) * 2012-08-03 2014-02-12 上海贝尔股份有限公司 控制csi报告的方法及装置

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ES2856484T3 (es) 2021-09-27
US9900074B2 (en) 2018-02-20
US11038575B2 (en) 2021-06-15
KR102383068B1 (ko) 2022-04-04
JP2020017994A (ja) 2020-01-30
JP2017525301A (ja) 2017-08-31
CN110635834A (zh) 2019-12-31
US10312987B2 (en) 2019-06-04
JP6599432B2 (ja) 2019-10-30
US20190288761A1 (en) 2019-09-19
US20160050004A1 (en) 2016-02-18
BR112017002765A2 (pt) 2018-01-02
US11799532B2 (en) 2023-10-24
CN110635834B (zh) 2023-04-14
AU2015302075A1 (en) 2017-02-02
US20210306047A1 (en) 2021-09-30
EP3180878A1 (en) 2017-06-21
AU2015302075B2 (en) 2019-09-12
CN106576019A (zh) 2017-04-19
US20180159610A1 (en) 2018-06-07
WO2016025262A1 (en) 2016-02-18
JP7273900B2 (ja) 2023-05-15
JP2021180501A (ja) 2021-11-18
EP3180878B1 (en) 2020-12-02
KR20170043522A (ko) 2017-04-21

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