IN2014KN02668A - - Google Patents

Info

Publication number
IN2014KN02668A
IN2014KN02668A IN2668KON2014A IN2014KN02668A IN 2014KN02668 A IN2014KN02668 A IN 2014KN02668A IN 2668KON2014 A IN2668KON2014 A IN 2668KON2014A IN 2014KN02668 A IN2014KN02668 A IN 2014KN02668A
Authority
IN
India
Prior art keywords
reference signals
downlink reference
transmission
station apparatus
section configured
Prior art date
Application number
Other languages
English (en)
Inventor
Yoshihisa Kishiyama
Hidekazu Taoka
Mamoru Sawahashi
Original Assignee
Ntt Docomo 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 Ntt Docomo Inc filed Critical Ntt Docomo Inc
Publication of IN2014KN02668A publication Critical patent/IN2014KN02668A/en

Links

Classifications

    • 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]
    • H04J11/0079—Acquisition of downlink reference signals, e.g. detection of cell-ID
    • 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
    • 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
    • H04B7/0413—MIMO systems
    • 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
    • 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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
IN2668KON2014 2009-03-16 2010-03-16 IN2014KN02668A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009063594A JP5059800B2 (ja) 2009-03-16 2009-03-16 無線基地局装置及び移動局装置、無線通信方法
PCT/JP2010/054397 WO2010107013A1 (ja) 2009-03-16 2010-03-16 無線基地局装置及び移動局装置、無線通信方法

Publications (1)

Publication Number Publication Date
IN2014KN02668A true IN2014KN02668A (ja) 2015-05-08

Family

ID=42739673

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2668KON2014 IN2014KN02668A (ja) 2009-03-16 2010-03-16

Country Status (10)

Country Link
US (2) US9281926B2 (ja)
EP (3) EP2410685A4 (ja)
JP (1) JP5059800B2 (ja)
KR (2) KR101655340B1 (ja)
CN (2) CN102356578B (ja)
AU (1) AU2010225772C1 (ja)
BR (2) BRPI1009489A2 (ja)
CA (1) CA2755380C (ja)
IN (1) IN2014KN02668A (ja)
WO (1) WO2010107013A1 (ja)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010106729A1 (ja) 2009-03-16 2010-09-23 パナソニック株式会社 無線受信装置及び無線送信装置、並びに無線通信方法
US9647810B2 (en) 2009-03-17 2017-05-09 Samsung Electronics Co., Ltd. Method and system for mapping pilot signals in multi-stream transmissions
EP2413516A4 (en) 2009-03-23 2014-07-23 Lg Electronics Inc METHOD AND DEVICE FOR TRANSMITTING REFERENCE SIGNALS IN A MULTI-ANTENNA SYSTEM
US11218194B2 (en) 2009-03-23 2022-01-04 Lg Electronics Inc. Method and apparatus for transmitting reference signal in multi-antenna system
KR101678435B1 (ko) * 2009-07-17 2016-12-06 엘지전자 주식회사 다중 안테나 무선 통신 시스템에서 하향링크 신호를 수신하는 방법 및 이를 위한 장치
JP2013502139A (ja) * 2009-08-14 2013-01-17 エルジー エレクトロニクス インコーポレイティド 多重アンテナを支援する無線通信システムにおいてダウンリンク参照信号を伝送する方法及び装置
US8917681B2 (en) 2009-08-14 2014-12-23 Lg Electronics Inc. Method and apparatus for transmitting downlink reference signal in wireless communication system that supports multiple antennas
US8548511B2 (en) * 2010-06-21 2013-10-01 Qualcomm Incorporated Energy saving mode with maintained number of advertised transmit antennas
CN102986285B (zh) * 2010-07-21 2015-07-08 松下电器（美国）知识产权公司 基站装置、终端装置、发送方法以及接收方法
CN102378110B (zh) * 2010-08-16 2014-09-24 中国移动通信集团公司 解调参考信号的发送方法及装置、接收方法及装置
WO2012043992A2 (ko) 2010-09-30 2012-04-05 엘지전자 주식회사 무선통신 시스템에서 릴레이 노드가 채널품질 지시자를 보고하는 방법 및 이를 위한 장치
JP5005082B2 (ja) * 2010-10-04 2012-08-22 株式会社エヌ・ティ・ティ・ドコモ 基地局装置、移動端末装置及び通信制御方法
JP5934235B2 (ja) * 2010-11-10 2016-06-15 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 ヘテロジニアスネットワークにおける逐次キャンセルによる干渉軽減のための方法および装置
KR101740371B1 (ko) 2010-11-22 2017-06-08 삼성전자 주식회사 셀룰라 이동 통신 시스템의 안테나 할당 장치 및 방법
CN103238285B (zh) 2010-12-03 2017-06-09 三星电子株式会社 用于分布式天线系统中的参考信令分配和信道估计的方法和设备
BR112013015950B1 (pt) 2010-12-22 2021-06-15 Nokia Solutions And Networks Oy Atribuição de recursos
HUE048444T2 (hu) * 2011-01-10 2020-08-28 Beijing Xiaomi Mobile Software Co Ltd Dinamikus többpontos kommunikáció kialakítása
DK2673910T3 (en) 2011-02-09 2018-04-03 Ericsson Telefon Ab L M Distribution of cell-shared downlink signals in a hierarchically heterogeneous cell application
US9054842B2 (en) * 2011-02-14 2015-06-09 Qualcomm Incorporated CRS (common reference signal) and CSI-RS (channel state information reference signal) transmission for remote radio heads (RRHs)
JP5372984B2 (ja) * 2011-02-22 2013-12-18 株式会社日立製作所 分散アンテナシステム、通信制御方法、基地局装置
CN102651910A (zh) * 2011-02-24 2012-08-29 华为技术有限公司 一种管理用户设备的方法及装置
CN103262458B (zh) * 2011-02-28 2016-03-09 日电（中国）有限公司 一种用于调整信道质量指示的方法和设备
WO2012134140A2 (ko) 2011-03-29 2012-10-04 엘지전자 주식회사 무선 통신 시스템에서 자원 특정 전송 모드 결정 방법 및 이를 위한 장치
WO2012167417A1 (en) * 2011-06-07 2012-12-13 Renesas Mobile Corporation Method and apparatus for establishing a time-frequency reference signal pattern configuration in a carrier extension or carrier segment
CN102904669B (zh) * 2011-07-29 2016-05-18 上海贝尔股份有限公司 预编码物理下行控制信道参考信号及盲译码方法和装置
CN103733539A (zh) * 2011-08-12 2014-04-16 交互数字专利控股公司 用于多输入多输出操作的方法和装置
US9780931B2 (en) * 2011-08-15 2017-10-03 Telefonaktiebolaget Lm Ericsson (Publ) Flexible transmission of messages in a wireless communication system
JP2013062565A (ja) * 2011-09-12 2013-04-04 Nippon Hoso Kyokai <Nhk> 送信装置及び受信装置
US20130343477A9 (en) * 2011-11-04 2013-12-26 Research In Motion Limited PUSCH Reference Signal Design for High Doppler Frequency
JP2013118567A (ja) * 2011-12-05 2013-06-13 Ntt Docomo Inc 無線基地局装置、無線通信システム及び無線通信方法
WO2013093171A1 (en) * 2011-12-20 2013-06-27 Nokia Corporation Joint first reference signal and second reference signal based channel state information feedback
JP2013168853A (ja) * 2012-02-16 2013-08-29 Sharp Corp 受信装置、受信方法および受信プログラム
WO2013125844A1 (en) * 2012-02-20 2013-08-29 Lg Electronics Inc. Method and apparatus for transmitting uplink signal in wireless communication system
US9100146B2 (en) * 2012-03-08 2015-08-04 Alcatel Lucent Virtual sectorization using an active anntenna array
JP6208409B2 (ja) * 2012-04-06 2017-10-04 株式会社Ｎｔｔドコモ ユーザ装置及び通信方法
US20130286960A1 (en) * 2012-04-30 2013-10-31 Samsung Electronics Co., Ltd Apparatus and method for control channel beam management in a wireless system with a large number of antennas
JP6224880B2 (ja) * 2012-07-31 2017-11-01 株式会社Ｎｔｔドコモ 基地局装置、ユーザ端末、通信システム及び通信制御方法
KR101971079B1 (ko) * 2012-09-20 2019-08-13 삼성전자 주식회사 이동통신 시스템에서 피드백 송수신 방법 및 장치
WO2014051322A1 (ko) * 2012-09-25 2014-04-03 엘지전자 주식회사 하향링크 신호 수신 방법 및 사용자기기와, 하향링크 신호 전송 방법 및 기지국
US9432175B2 (en) * 2012-11-09 2016-08-30 Qualcomm Incorporated Control channel management for relay backhaul
WO2014082284A1 (zh) * 2012-11-30 2014-06-05 华为技术有限公司 用于解调物理随机接入信道信号的方法和装置
WO2014085997A1 (en) * 2012-12-05 2014-06-12 Broadcom Corporation Apparatuses, methods and computer program products related to improvements in dmrs transmission
WO2014092429A1 (ko) * 2012-12-10 2014-06-19 엘지전자 주식회사 초고주파를 지원하는 무선접속시스템에서 시스템 정보를 전송하는 방법 및 이를 지원하는 장치
US9503924B2 (en) * 2013-01-18 2016-11-22 Qualcomm Incorporated Interpolation-based channel state information (CSI) enhancements in long-term evolution (LTE)
JP6095991B2 (ja) * 2013-01-24 2017-03-15 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
US9713026B2 (en) * 2013-05-17 2017-07-18 Qualcomm Incorporated Channel state information (CSI) measurement and reporting for enhanced interference management for traffic adaptation (eIMTA) in LTE
WO2014208974A1 (en) * 2013-06-25 2014-12-31 Lg Electronics Inc. Method for performing precoding for adaptive antenna scaling in wireless communication system and apparatus therefor
JP6329348B2 (ja) * 2013-08-13 2018-05-23 株式会社Ｎｔｔドコモ 基地局装置、およびキャリブレーション方法
CN106576013A (zh) * 2014-08-21 2017-04-19 株式会社Ntt都科摩 基站、用户装置以及无线通信系统
JP2016143916A (ja) * 2015-01-29 2016-08-08 ソニー株式会社 装置
WO2016175015A1 (ja) * 2015-04-28 2016-11-03 株式会社Ｎｔｔドコモ ユーザ装置及び基地局
JP2015181286A (ja) * 2015-06-02 2015-10-15 ノキア ソリューションズ アンド ネットワークス オサケユキチュア リソースの割り当て
JP6068692B2 (ja) * 2016-01-05 2017-01-25 日本放送協会 送信装置及び受信装置
EP3410762B1 (en) * 2016-01-27 2024-02-21 NTT DoCoMo, Inc. User terminal, wireless base station, and wireless communication method
KR101981856B1 (ko) * 2016-07-22 2019-05-23 아서스테크 컴퓨터 인코포레이션 무선 통신 시스템에서 빔포밍을 이용하는 전송 또는 수신 방법 및 장치
KR20180031167A (ko) * 2016-09-19 2018-03-28 삼성전자주식회사 이동 통신 시스템에서의 기준 신호, 제어 신호 및 데이터 송신 방법 및 장치
JPWO2018083861A1 (ja) * 2016-11-02 2019-09-19 株式会社Ｎｔｔドコモ ユーザ装置、基地局及び参照信号送信方法
WO2018130115A1 (zh) * 2017-01-13 2018-07-19 华为技术有限公司 一种调整无线资源配置的方法、装置及系统
TWI696372B (zh) * 2017-06-16 2020-06-11 聯發科技股份有限公司 干擾測量方法及裝置
WO2019038832A1 (ja) * 2017-08-22 2019-02-28 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
US11533758B2 (en) 2017-09-27 2022-12-20 Lg Electronics Inc. Method for transmitting and receiving uplink data between terminal and base station in wireless communication system and device supporting same
US20220329374A1 (en) * 2021-04-13 2022-10-13 At&T Intellectual Property I, L.P. Cell reference signal interference reduction
US20220361225A1 (en) * 2021-04-23 2022-11-10 Qualcomm Incorporated Advanced adaptive receivers based on spectral efficiency utilization

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4256786B2 (ja) 2002-02-12 2009-04-22 アークレイ株式会社 測定装置
FR2909240A1 (fr) 2006-11-24 2008-05-30 France Telecom Procedes et modules d'emission/reception pour un systeme multi-antennes multi-porteuses a sequence d'apprentissage.
CN101267664B (zh) * 2007-03-15 2012-04-25 华为技术有限公司 一种参考信号的资源分配和发射方法及装置
US20100190486A1 (en) * 2007-05-31 2010-07-29 Panasonic Corporation Radio communication mobile station device and cdd mode judging method
EP2160858A4 (en) * 2007-06-21 2012-06-27 Korea Electronics Telecomm METHOD FOR TRANSMITTING CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEMS
US8638722B2 (en) * 2008-09-18 2014-01-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and arrangement in a mobile communications network
US8767843B2 (en) * 2008-11-10 2014-07-01 Motorola Mobility Llc Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency-division multiple access
KR101619446B1 (ko) * 2008-12-02 2016-05-10 엘지전자 주식회사 하향링크 ｍｉｍｏ시스템에 있어서 ｒｓ 전송 방법
US9647810B2 (en) * 2009-03-17 2017-05-09 Samsung Electronics Co., Ltd. Method and system for mapping pilot signals in multi-stream transmissions

Also Published As

Publication number Publication date
AU2010225772B2 (en) 2015-02-05
CN102356578A (zh) 2012-02-15
CA2755380C (en) 2015-01-27
AU2010225772C1 (en) 2015-07-23
KR20110139687A (ko) 2011-12-29
US20150085819A1 (en) 2015-03-26
JP5059800B2 (ja) 2012-10-31
KR101431598B1 (ko) 2014-08-20
EP2410685A1 (en) 2012-01-25
KR101655340B1 (ko) 2016-09-07
EP2860896A2 (en) 2015-04-15
EP2985933A3 (en) 2016-04-27
KR20140095088A (ko) 2014-07-31
BR122015003526A2 (pt) 2016-04-05
EP2860896A3 (en) 2015-08-19
WO2010107013A1 (ja) 2010-09-23
EP2410685A4 (en) 2014-09-03
CN102356578B (zh) 2015-08-19
US20120106501A1 (en) 2012-05-03
JP2010219817A (ja) 2010-09-30
BRPI1009489A2 (pt) 2016-03-15
EP2985933A2 (en) 2016-02-17
BR122015003526B1 (pt) 2021-05-04
EP2860896B1 (en) 2019-12-18
CN104393970A (zh) 2015-03-04
US9281926B2 (en) 2016-03-08
AU2010225772A1 (en) 2011-10-13
US10924231B2 (en) 2021-02-16
CA2755380A1 (en) 2010-09-23
CN104393970B (zh) 2018-10-16

Similar Documents

Publication Publication Date Title
IN2014KN02668A (ja)
MX2011013369A (es) Dipositivo de estacion de base inalambrico, dispositivo de estacion movil y metodo de comunicacion inalambrica.
WO2013042922A3 (en) Apparatus and method for operating multiple beamforming transceiver in wireless communication system
WO2011044530A3 (en) Method and apparatus for using channel state information reference signal in wireless communication system
GB201101982D0 (en) Telecommunications method and system
WO2010018993A3 (en) Apparatus and method for transceiving downlink control information
WO2010093166A2 (ko) 다중안테나 전송을 위한 단말 동작
WO2012020963A3 (en) Method and base station for transmitting downlink signal and method and equipment for receiving downlink signal
WO2013012295A3 (en) Method and apparatus for transmitting and receiving information for random access in wireless communication system
GB2491157B (en) Method and apparatus for antenna selection in wireless communications systems
WO2011052911A3 (ko) 하향링크 기준신호 송수신 방법 및, 이를 이용한 기지국 및 사용자기기
JP2010219817A5 (ja)
WO2012148244A3 (en) Apparatus and method of resource allocation for data and control channels in a wireless communication system
WO2012008812A3 (ko) 무선 통신 시스템에서 비주기적 사운딩 참조 신호 전송 방법 및 장치
WO2010090467A3 (en) Method and apparatus of transmitting uplink control signal in wireless communication system
WO2012077989A3 (en) Channel status information feedback method and apparatus for a distributed antenna mobile communication system
WO2011011192A3 (en) Techniques for mimo beamforming for frequency selective channels in wireless communication systems
WO2010032997A3 (en) Stbc based transmission method considering number of symbols in slot
WO2011136519A3 (en) Method of transmitting and receiving signals in a mobile communication system using a radio frame including multiple types of subframes and apparatus thereof
MX2010003003A (es) Metodo de transmision de informacion de reportes, estacion base de radio y estacion movil.
MX359501B (es) Sistema de comunicaciones, dispositivo y metodo.
MX2010001728A (es) Sistema de comunicacion movil, estacion mivil y estacion base de radio.
WO2012128544A3 (ko) 상향링크 신호 전송방법 및 수신방법과, 사용자기기 및 기지국
WO2011159099A3 (ko) 무선 통신 시스템에서 데이터 전송 방법 및 장치
MX352072B (es) Sistema de comunicacion inalambrico, estacion base, estacion movil y metodo de comunicacion inalambrico.