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

Publications (2)

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

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CN201580043026.7A Active CN106576019B (zh) 2014-08-12 2015-08-05 在采用未许可频谱的lte/lte-a中的csi请求过程的方法和装置

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Country Link
US (4) US9900074B2 (en:Method)
EP (1) EP3180878B1 (en:Method)
JP (3) JP6599432B2 (en:Method)
KR (1) KR102383068B1 (en:Method)
CN (2) CN110635834B (en:Method)
AU (1) AU2015302075B2 (en:Method)
ES (1) ES2856484T3 (en:Method)
WO (1) WO2016025262A1 (en:Method)

Families Citing this family (28)

* 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
US20160249350A1 (en) * 2014-10-03 2016-08-25 Telefonaktiebolaget Lm Ericsson (Publ) Measurement Procedures for Operation in Unlicensed Spectrum
EP3216289B1 (en) * 2014-11-07 2020-08-05 Nokia Solutions and Networks Oy Transmission of discovery reference signals on unlicensed carrier in a wireless network
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
US9775153B2 (en) * 2015-01-28 2017-09-26 Alcatel Lucent Allocation of unlicensed frequency bands for a wireless hotspot
TWI666957B (zh) * 2015-01-28 2019-07-21 財團法人資訊工業策進會 授權輔助存取網路系統
US10142983B2 (en) * 2015-01-28 2018-11-27 Institute For Information Industry Licensed assisted access network system
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
WO2017162287A1 (en) * 2016-03-24 2017-09-28 Telefonaktiebolaget Lm Ericsson (Publ) Configuration and reporting of mobility measurements
DE102016205054A1 (de) * 2016-03-24 2017-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Telegrammaufteilungsübertragungsverfahren für bidirektionale netze
EP3437277A1 (en) 2016-03-31 2019-02-06 Docomo Innovations, Inc. Method of aperiodic signal transmission, base station, and user equipment
JP6732048B2 (ja) * 2016-05-13 2020-07-29 テレフオンアクチーボラゲット エルエム エリクソン（パブル） マルチ解像度ｃｓｉフィードバック
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
EP3552429B1 (en) * 2016-12-09 2020-04-01 Telefonaktiebolaget LM Ericsson (publ) Method for flexibly defining a cell based on sets of signals
EP3566325A1 (en) * 2017-01-05 2019-11-13 Telefonaktiebolaget L M Ericsson (publ) A wireless device, a serving network node and respective method performed thereby for communicating with each other
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
AU2019388921B2 (en) 2018-11-27 2024-05-30 Virewirx, Inc. Non-coherent cooperative multiple-input multiple-output communications
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
CA3202850A1 (en) 2020-12-16 2022-06-23 XCOM Labs, Inc. Wireless communication with quasi-omni and directional beams
CN115918042B (zh) * 2021-07-22 2026-03-17 苹果公司 在未授权频谱中配置先听后说和短控制信令
US12021590B2 (en) * 2021-08-04 2024-06-25 Apple Inc. Receiver assisted access mechanism in the new radio unlicensed spectrum

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
KR20150028365A (ko) * 2010-01-08 2015-03-13 인터디지탈 패튼 홀딩스, 인크 다중 반송파의 채널 상태 정보 전송 방법
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
EP3554031B1 (en) * 2010-08-16 2022-09-28 Nokia Solutions and Networks Oy Transmission of reference signals
US9154277B2 (en) * 2010-09-22 2015-10-06 Texas Instruments Incorporated Resource allocation and signaling for aperiodic sounding
WO2012067442A2 (ko) * 2010-11-17 2012-05-24 엘지전자 주식회사 무선 접속 시스템에서 비주기적 채널상태정보 보고 방법 및 장치
KR20240037368A (ko) 2010-12-06 2024-03-21 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
JP5783266B2 (ja) * 2011-01-07 2015-09-24 富士通株式会社 非周期サウンディングリファレンス信号をトリガーする方法、基地局及びユーザ装置
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
CN103477579B (zh) * 2011-04-13 2016-08-17 Lg电子株式会社 在无线通信系统中发送控制信息的方法和设备
US10085164B2 (en) * 2011-04-28 2018-09-25 Qualcomm Incorporated System and method for managing invalid reference subframes for channel state information feedback
DK3595201T3 (da) * 2011-06-10 2021-10-18 Qualcomm Inc Fremgangsmåde og apparat til at sende aperiodisk kanaltilstandsinformation i trådløst kommunikationssystem
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
EP2765816B1 (en) * 2011-10-03 2020-02-12 Sun Patent Trust Terminal and communication method
CA2850164C (en) 2011-10-31 2020-06-23 Samsung Electronic Co., Ltd. Feedback method and apparatus 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
JP6097766B2 (ja) * 2012-01-27 2017-03-15 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 マルチキャリアベースおよび／または疑似照合ネットワークにおいてｅｐｄｃｃｈを提供するためのシステムおよび／または方法
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
US9345039B2 (en) * 2012-05-31 2016-05-17 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
KR20170078849A (ko) 2012-09-28 2017-07-07 인텔 코포레이션 강화된 물리 다운링크 제어 채널(epdcch)에 대한 블라인드 디코딩
US9801171B2 (en) * 2012-10-02 2017-10-24 Industry-University Cooperation Foundation Hanyang University Transmission method and reception method of downlink signal and channel, terminal thereof, and base station thereof
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
US10021675B2 (en) * 2013-06-26 2018-07-10 Sharp Kabushiki Kaisha Terminal device, base station device, and communication method
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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KR20170043522A (ko) 2017-04-21
EP3180878A1 (en) 2017-06-21
JP2017525301A (ja) 2017-08-31
AU2015302075B2 (en) 2019-09-12
US9900074B2 (en) 2018-02-20
CN106576019A (zh) 2017-04-19
US20180159610A1 (en) 2018-06-07
BR112017002765A2 (pt) 2018-01-02
US11799532B2 (en) 2023-10-24
CN110635834B (zh) 2023-04-14
US11038575B2 (en) 2021-06-15
CN110635834A (zh) 2019-12-31
JP6599432B2 (ja) 2019-10-30
EP3180878B1 (en) 2020-12-02
JP2021180501A (ja) 2021-11-18
US20210306047A1 (en) 2021-09-30
US20160050004A1 (en) 2016-02-18
JP7273900B2 (ja) 2023-05-15
KR102383068B1 (ko) 2022-04-04
JP2020017994A (ja) 2020-01-30
AU2015302075A1 (en) 2017-02-02
ES2856484T3 (es) 2021-09-27
US20190288761A1 (en) 2019-09-19
WO2016025262A1 (en) 2016-02-18
US10312987B2 (en) 2019-06-04

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