JP6599432B2 - 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ - Google Patents

免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ Download PDF

Info

Publication number
JP6599432B2
JP6599432B2 JP2017507702A JP2017507702A JP6599432B2 JP 6599432 B2 JP6599432 B2 JP 6599432B2 JP 2017507702 A JP2017507702 A JP 2017507702A JP 2017507702 A JP2017507702 A JP 2017507702A JP 6599432 B2 JP6599432 B2 JP 6599432B2
Authority
JP
Japan
Prior art keywords
reference signal
base station
csi
identifier
lte
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
JP2017507702A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017525301A5 (Direct
JP2017525301A (ja
Inventor
マリック、シッダールタ
ルオ、タオ
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
Publication of JP2017525301A publication Critical patent/JP2017525301A/ja
Publication of JP2017525301A5 publication Critical patent/JP2017525301A5/ja
Application granted granted Critical
Publication of JP6599432B2 publication Critical patent/JP6599432B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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)
JP2017507702A 2014-08-12 2015-08-05 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ Active JP6599432B2 (ja)

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
JP2019182302A Division JP2020017994A (ja) 2014-08-12 2019-10-02 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ

Publications (3)

Publication Number Publication Date
JP2017525301A JP2017525301A (ja) 2017-08-31
JP2017525301A5 JP2017525301A5 (Direct) 2018-08-30
JP6599432B2 true JP6599432B2 (ja) 2019-10-30

Family

ID=55302943

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2017507702A Active JP6599432B2 (ja) 2014-08-12 2015-08-05 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ
JP2019182302A Pending JP2020017994A (ja) 2014-08-12 2019-10-02 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ
JP2021114291A Active JP7273900B2 (ja) 2014-08-12 2021-07-09 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ－ａ中でのｃｓｉ要求プロシージャ

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2019182302A Pending JP2020017994A (ja) 2014-08-12 2019-10-02 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ−ａ中でのｃｓｉ要求プロシージャ
JP2021114291A Active JP7273900B2 (ja) 2014-08-12 2021-07-09 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ－ａ中でのｃｓｉ要求プロシージャ

Country Status (8)

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

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
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
EP3595231B1 (en) * 2014-11-20 2021-01-27 Panasonic Intellectual Property Corporation of America Improved channel state information reporting on licensed and unlicensed carriers
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
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
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
US11411694B2 (en) 2016-03-31 2022-08-09 Ntt Docomo, Inc. Method of aperiodic signal transmission, base station, and user equipment
PT3920455T (pt) * 2016-05-13 2023-05-08 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
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
EP3888256A4 (en) 2018-11-27 2022-08-31 Xcom Labs, Inc. NON-COHERENT COOPERATIVE MIMO 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
US12088499B2 (en) 2020-04-15 2024-09-10 Virewirx, Inc. System and method for reducing data packet processing false alarms
CN115699605A (zh) 2020-05-26 2023-02-03 艾斯康实验室公司 干扰感知波束成形
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
KR20230118111A (ko) 2020-12-16 2023-08-10 엑스콤 랩스 인코퍼레이티드 쿼시-옴니 및 지향성 빔을 갖는 무선 통신
EP4147438A4 (en) * 2021-07-22 2023-03-15 Apple Inc. PROCEDURE SETUP LISTEN BEFORE SPEAK AND SHORT COMMAND SIGNALING
WO2023010308A1 (en) * 2021-08-04 2023-02-09 Apple Inc. Improved receiver assisted access mechanism in the new radio unlicensed spectrum

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
EP2765730A3 (en) * 2010-01-08 2015-04-15 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
KR101454737B1 (ko) * 2010-03-25 2014-10-27 노키아 솔루션스 앤드 네트웍스 오와이 채널 정보의 시그널링
US9237583B2 (en) * 2010-05-03 2016-01-12 Qualcomm Incorporated Resource availability for PDSCH in relay backhaul transmissions
US9136997B2 (en) 2010-05-04 2015-09-15 Qualcomm Incorporated Methods and apparatuses for using channel state information reference signals
US8995465B2 (en) 2010-05-04 2015-03-31 Qualcomm Incorporated Reference signal patterns
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
WO2012067442A2 (ko) * 2010-11-17 2012-05-24 엘지전자 주식회사 무선 접속 시스템에서 비주기적 채널상태정보 보고 방법 및 장치
KR102164699B1 (ko) * 2010-12-06 2020-10-13 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
WO2012118347A2 (ko) * 2011-03-02 2012-09-07 엘지전자 주식회사 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치
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
WO2012141513A2 (ko) * 2011-04-13 2012-10-18 엘지전자 주식회사 무선통신시스템에서 제어정보 전송 방법 및 장치
US10085164B2 (en) * 2011-04-28 2018-09-25 Qualcomm Incorporated System and method for managing invalid reference subframes for channel state information feedback
US9247564B2 (en) * 2011-06-10 2016-01-26 Lg Electronics Inc. Method and apparatus for transmitting aperiodic channel state information in wireless communication system
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
JP6048755B2 (ja) * 2011-10-03 2016-12-21 サン パテント トラスト 端末、通信方法および集積回路
CN107104707B (zh) 2011-10-31 2021-01-08 三星电子株式会社 通信系统中的反馈方法和设备
GB2496198B (en) * 2011-11-07 2014-03-19 Broadcom Corp Apparatus, methods and computer programs for coordinated multipoint transmission
HK1201657A1 (en) * 2012-01-27 2015-09-04 Interdigital Patent Holdings, Inc. Systems and/or methods for providing epdcch in a multiple carrier based and/or quasi-collated network
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
MX343208B (es) 2012-09-28 2016-10-27 Intel Corp Descifrado ciego para un canal de control de enlace descendente fisico mejorado (epdcch).
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
EP3016459B1 (en) * 2013-06-26 2024-11-27 Sharp Kabushiki Kaisha Terminal device
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
JP2021180501A (ja) 2021-11-18
AU2015302075B2 (en) 2019-09-12
BR112017002765A2 (pt) 2018-01-02
US9900074B2 (en) 2018-02-20
CN110635834B (zh) 2023-04-14
EP3180878B1 (en) 2020-12-02
CN106576019A (zh) 2017-04-19
US20160050004A1 (en) 2016-02-18
US11799532B2 (en) 2023-10-24
JP2020017994A (ja) 2020-01-30
AU2015302075A1 (en) 2017-02-02
US20210306047A1 (en) 2021-09-30
KR20170043522A (ko) 2017-04-21
WO2016025262A1 (en) 2016-02-18
US20180159610A1 (en) 2018-06-07
CN106576019B (zh) 2019-10-22
US11038575B2 (en) 2021-06-15
US10312987B2 (en) 2019-06-04
EP3180878A1 (en) 2017-06-21
JP2017525301A (ja) 2017-08-31
US20190288761A1 (en) 2019-09-19
KR102383068B1 (ko) 2022-04-04
CN110635834A (zh) 2019-12-31
JP7273900B2 (ja) 2023-05-15
ES2856484T3 (es) 2021-09-27

Similar Documents

Publication Publication Date Title
JP7273900B2 (ja) 免許不要のスペクトルについてのｌｔｅ／ｌｔｅ－ａ中でのｃｓｉ要求プロシージャ
JP6449253B2 (ja) 基準信号リソース割振り
JP6636428B2 (ja) 無認可スペクトルを用いたｌｔｅ（登録商標）／ｌｔｅアドバンストシステムにおけるｃｓｉフィードバック
US10299257B2 (en) Transmitter management under transmitter uncertainty
JP6545680B2 (ja) 無認可無線周波数スペクトル帯域を使用するダウンリンク協調マルチポイント（ＣｏＭＰ）通信のための技法
CN111294963B (zh) 在利用非许可频谱的lte/lte-a中的重新同步管理
JP2017537519A (ja) 無認可スペクトルを用いたｌｔｅ／ｌｔｅ−ａに関するマルチチャネルｃｓｉフィードバック
JP6193366B2 (ja) 仮想セルｉｄのシグナリング
CN111316578A (zh) 传输参数的自主修改

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180713

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20180713

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20190320

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190326

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190626

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190903

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20191002

R150 Certificate of patent or registration of utility model

Ref document number: 6599432

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250