ES2856484T3 - Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia - Google Patents

Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia Download PDF

Info

Publication number
ES2856484T3
ES2856484T3 ES15751220T ES15751220T ES2856484T3 ES 2856484 T3 ES2856484 T3 ES 2856484T3 ES 15751220 T ES15751220 T ES 15751220T ES 15751220 T ES15751220 T ES 15751220T ES 2856484 T3 ES2856484 T3 ES 2856484T3
Authority
ES
Spain
Prior art keywords
base station
reference signal
csi
lte
aperiodic reference
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
ES15751220T
Other languages
English (en)
Spanish (es)
Inventor
Siddhartha Mallik
Tao Luo
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
Application granted granted Critical
Publication of ES2856484T3 publication Critical patent/ES2856484T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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)
ES15751220T 2014-08-12 2015-08-05 Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia Active ES2856484T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462036296P 2014-08-12 2014-08-12
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

Publications (1)

Publication Number Publication Date
ES2856484T3 true ES2856484T3 (es) 2021-09-27

Family

ID=55302943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES15751220T Active ES2856484T3 (es) 2014-08-12 2015-08-05 Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia

Country Status (8)

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

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
EP3202178B1 (en) * 2014-10-03 2020-04-22 Telefonaktiebolaget LM Ericsson (publ) Measurement procedures for operation in unlicensed spectrum
US11463943B2 (en) * 2014-11-07 2022-10-04 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
US10142983B2 (en) * 2015-01-28 2018-11-27 Institute For Information Industry Licensed assisted access network system
US9775153B2 (en) * 2015-01-28 2017-09-26 Alcatel Lucent Allocation of unlicensed frequency bands for a wireless hotspot
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
TW201728207A (zh) * 2015-11-10 2017-08-01 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
MX382741B (es) * 2016-03-24 2025-03-13 Ericsson Telefon Ab L M Configuración y notificación de mediciones de movilidad.
DE102016205054A1 (de) * 2016-03-24 2017-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Telegrammaufteilungsübertragungsverfahren für bidirektionale netze
US11411694B2 (en) 2016-03-31 2022-08-09 Ntt Docomo, Inc. Method of aperiodic signal transmission, base station, and user equipment
PT3455988T (pt) 2016-05-13 2021-06-28 Ericsson Telefon Ab L M Retorno de csi de múltipla resolução
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
US10813015B2 (en) * 2016-12-09 2020-10-20 Telefonaktiebolaget Lm Ericsson (Publ) Method for flexibly defining a cell based on sets of signals
US20190349948A1 (en) * 2017-01-05 2019-11-14 Telefonaktiebolaget Lm 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
CA3119325C (en) 2018-11-27 2023-07-04 XCOM Labs, 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
KR20230008750A (ko) 2020-04-15 2023-01-16 엑스콤 랩스 인코퍼레이티드 무선 네트워크 멀티포인트 연관 및 다양성
KR20230015932A (ko) 2020-05-26 2023-01-31 엑스콤 랩스 인코퍼레이티드 간섭-인식 빔포밍
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
WO2023000269A1 (en) * 2021-07-22 2023-01-26 Apple Inc. Configuring listen before talk and short control signaling in unlicensed spectrum
CN116134871A (zh) * 2021-08-04 2023-05-16 苹果公司 新空口未许可频谱中的改进的接收器辅助接入机制

Family Cites Families (47)

* 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
MY162196A (en) * 2010-01-08 2017-05-31 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
US9407409B2 (en) 2010-02-23 2016-08-02 Qualcomm Incorporated Channel state information reference signals
KR101807875B1 (ko) * 2010-03-05 2017-12-12 엘지전자 주식회사 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치
US8867472B2 (en) * 2010-03-25 2014-10-21 Cellular Communications Equipment Llc Signalling of channel information
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
CN103155506B (zh) * 2010-08-16 2017-09-26 诺基亚通信公司 参考信号的传输
US9154277B2 (en) * 2010-09-22 2015-10-06 Texas Instruments Incorporated Resource allocation and signaling for aperiodic sounding
EP2642674B1 (en) * 2010-11-17 2020-04-08 LG Electronics Inc. Method and device for aperiodically reporting channel state information in wireless connection system
KR102032101B1 (ko) * 2010-12-06 2019-10-14 인터디지탈 패튼 홀딩스, 인크 허가 면제 스펙트럼에서의 무선 동작을 가능케 하는 방법
RU2561147C2 (ru) * 2011-01-07 2015-08-27 Фудзицу Лимитед Способ запуска апериодического зондирующего опорного символа, базовая станция и пользовательское оборудование
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
WO2012118357A2 (ko) * 2011-03-03 2012-09-07 엘지전자 주식회사 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치
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
KR101595167B1 (ko) * 2011-06-10 2016-02-17 엘지전자 주식회사 무선 통신 시스템에서 비주기적 채널 상태 정보 전송 방법 및 장치
CN102281128B (zh) * 2011-08-08 2014-07-30 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
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
WO2013051206A1 (ja) * 2011-10-03 2013-04-11 パナソニック株式会社 端末、基地局および通信方法
CN103999374B (zh) 2011-10-31 2017-06-06 三星电子株式会社 通信系统中的协作多点通信的反馈方法和装置
GB2496198B (en) * 2011-11-07 2014-03-19 Broadcom Corp Apparatus, methods and computer programs for coordinated multipoint transmission
CN107257275B (zh) * 2012-01-27 2021-03-16 交互数字专利控股公司 由WTRU执行的用于ePDCCH的方法、WTRU、搜索空间监视方法和UE
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
EP2856797A1 (en) * 2012-05-31 2015-04-08 Interdigital Patent Holdings, Inc. Device-to-device (d2d) link adaptation
CN103580818B (zh) * 2012-07-31 2018-08-03 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
CN103580742B (zh) * 2012-08-03 2019-03-29 上海诺基亚贝尔股份有限公司 控制csi报告的方法及装置
US9456358B2 (en) 2012-08-13 2016-09-27 Qualcomm Incorporated Method and apparatus for indicating active channel state information reference signal (CSI-RS) configurations
CA2879201C (en) 2012-09-28 2017-12-19 Intel Corporation Blind decoding for an enhanced physical downlink control channel (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
US10104565B2 (en) 2013-12-13 2018-10-16 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

Also Published As

Publication number Publication date
US10312987B2 (en) 2019-06-04
BR112017002765A2 (pt) 2018-01-02
JP6599432B2 (ja) 2019-10-30
US9900074B2 (en) 2018-02-20
KR102383068B1 (ko) 2022-04-04
CN106576019A (zh) 2017-04-19
JP2017525301A (ja) 2017-08-31
US20210306047A1 (en) 2021-09-30
EP3180878B1 (en) 2020-12-02
US11799532B2 (en) 2023-10-24
AU2015302075A1 (en) 2017-02-02
US20180159610A1 (en) 2018-06-07
US20190288761A1 (en) 2019-09-19
KR20170043522A (ko) 2017-04-21
AU2015302075B2 (en) 2019-09-12
WO2016025262A1 (en) 2016-02-18
US20160050004A1 (en) 2016-02-18
EP3180878A1 (en) 2017-06-21
CN110635834A (zh) 2019-12-31
JP2020017994A (ja) 2020-01-30
JP2021180501A (ja) 2021-11-18
US11038575B2 (en) 2021-06-15
CN110635834B (zh) 2023-04-14
JP7273900B2 (ja) 2023-05-15
CN106576019B (zh) 2019-10-22

Similar Documents

Publication Publication Date Title
ES2856484T3 (es) Procedimiento de solicitud de CSI en LTE/LTE-A con espectro sin licencia
ES2829908T3 (es) Asignación de recursos de señales de referencia
TWI713584B (zh) 增強型機器類型通信中之搜尋空間及授予之設計
ES2813389T3 (es) Atenuación de interferencia transmitiendo en un segundo nivel de potencia menor
JP6644779B2 (ja) 狭帯域制御チャネル復号
ES2813648T3 (es) Procesos de HARQ comunes
ES2741877T3 (es) Expansión de rango en el dominio de la frecuencia y del tiempo
ES2794931T3 (es) Control de potencia con asignación de subtrama cruzada
CN106031112B (zh) 具有无执照频谱的lte/lte-a网络中的天线选择
ES2807237T3 (es) Medición de CSI según mejoras de cobertura en LTE
KR102458118B1 (ko) 스펙트럼의 티어드 공유를 위한 비콘들
ES2839149T3 (es) Señalización de conjuntos de ID de células virtuales
CN104094551A (zh) 用于增强的物理下行控制信道(epdcch)的资源分配
KR20170138423A (ko) Mtc 를 위한 협대역 의존적 서브프레임 이용가능성
HK40017169A (en) Physical downlink control channel structure in low latency systems
BR112018009168B1 (pt) Método e dispositivo configurado para comunicação sem fio em uma estação base, e memória legível por computador
BR112017002765B1 (pt) Procedimento de solicitação de csi em lte/lte-a com espectro não licenciado