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WO2008114743A1 - 移動通信システムにおける基地局装置及び方法 - Google Patents

移動通信システムにおける基地局装置及び方法 Download PDF

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Publication number
WO2008114743A1
WO2008114743A1 PCT/JP2008/054787 JP2008054787W WO2008114743A1 WO 2008114743 A1 WO2008114743 A1 WO 2008114743A1 JP 2008054787 W JP2008054787 W JP 2008054787W WO 2008114743 A1 WO2008114743 A1 WO 2008114743A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
station apparatus
signal sequences
transmission antennas
communication system
Prior art date
Application number
PCT/JP2008/054787
Other languages
English (en)
French (fr)
Inventor
Kenichi Higuchi
Yoshihisa Kishiyama
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.
Priority to CN200880016876A priority Critical patent/CN101682473A/zh
Priority to US12/531,816 priority patent/US8514971B2/en
Priority to EP08722183.4A priority patent/EP2124350A4/en
Publication of WO2008114743A1 publication Critical patent/WO2008114743A1/ja

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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0417—Feedback systems
    • 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
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • 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
    • H04B7/0617—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 for beam forming
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
    • 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
    • H04B7/068—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 using space frequency diversity
    • 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]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

　基地局装置は、受信アンテナ数の異なるユーザ装置が混在してよい移動通信システムで使用される。基地局装置は、送信アンテナ数に合わせて、複数のリファレンス信号を用意する手段と、所定数の入力信号系列各々を送信アンテナ数分に複製し、複製された各系列に所定のプリコーディングベクトルを適用し、送信アンテナ数分の出力信号系列を作成するプリコーディング手段と、出力信号系列を含む送信信号を複数の送信アンテナから送信する手段とを有する。入力信号系列の少なくとも１つは、複数のリファレンス信号の内の１つと制御信号とを含む。
PCT/JP2008/054787 2007-03-20 2008-03-14 移動通信システムにおける基地局装置及び方法 WO2008114743A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN200880016876A CN101682473A (zh) 2007-03-20 2008-03-14 移动通信系统中的基站装置及方法
US12/531,816 US8514971B2 (en) 2007-03-20 2008-03-14 Base station apparatus and method in mobile communication system
EP08722183.4A EP2124350A4 (en) 2007-03-20 2008-03-14 BASE STATION METHOD AND APPARATUS IN MOBILE COMMUNICATION SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-073727 2007-03-20
JP2007073727A JP5026122B2 (ja) 2007-03-20 2007-03-20 移動通信システムにおける基地局装置及び方法

Publications (1)

Publication Number Publication Date
WO2008114743A1 true WO2008114743A1 (ja) 2008-09-25

Family

ID=39765851

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/054787 WO2008114743A1 (ja) 2007-03-20 2008-03-14 移動通信システムにおける基地局装置及び方法

Country Status (6)

Country Link
US (1) US8514971B2 (ja)
EP (1) EP2124350A4 (ja)
JP (1) JP5026122B2 (ja)
KR (1) KR20090119997A (ja)
CN (1) CN101682473A (ja)
WO (1) WO2008114743A1 (ja)

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CN101877688A (zh) * 2009-04-29 2010-11-03 华为技术有限公司 Ofdm系统的分集发射方法与装置
WO2011003363A1 (en) * 2009-07-10 2011-01-13 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
WO2011042847A3 (en) * 2009-10-08 2011-06-16 Koninklijke Philips Electronics N.V. A method for operating a radio station in a cellular communication network
CN102282892A (zh) * 2009-02-03 2011-12-14 Lg电子株式会社 用于传送和接收下行链路参考信号的技术
CN102282907A (zh) * 2009-03-20 2011-12-14 富士通株式会社 基站和移动台
EP2500171A2 (en) 2009-05-14 2012-09-19 DuPont Teijin Films U.S. Limited Partnership Transparent conductive composite film
JP5339636B2 (ja) * 2008-08-05 2013-11-13 パナソニック株式会社 無線通信装置及び無線通信方法
CN104135346A (zh) * 2009-04-24 2014-11-05 夏普株式会社 无线通信系统、无线通信装置及无线通信方法

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CN102090006B (zh) * 2008-05-13 2014-08-06 株式会社Ntt都科摩 基站、用户装置和方法
WO2010021510A2 (en) * 2008-08-21 2010-02-25 Lg Electronics Inc. Method and apparatus for transmitting reference signal in wireless communication system
CN102257743B (zh) * 2008-12-18 2014-05-28 爱立信电话股份有限公司 用于无线通信的系统和提供无线通信的方法
US8982750B2 (en) 2009-01-16 2015-03-17 Qualcomm Incorporated Method and apparatus for transmitting overload indicator over the air
KR101755038B1 (ko) 2009-01-30 2017-07-06 엘지전자 주식회사 무선 통신 시스템에서 참조신호 전송 장치 및 방법
WO2010139106A1 (zh) * 2009-05-31 2010-12-09 华为技术有限公司 一种信号发射以及信号接收的方法和装置
JP2011004161A (ja) * 2009-06-18 2011-01-06 Sharp Corp 通信システム、通信装置および通信方法
US8559990B2 (en) * 2010-02-05 2013-10-15 Qualcomm Incorporated Apparatus and method for enabling uplink beamforming transit diversity channel estimation
US8897386B2 (en) * 2010-02-12 2014-11-25 Htc Corporation Multiple-input multiple-output systems and methods for wireless communication thereof for reducing the quantization effect of precoding operations utilizing finite codebooks
US9007888B2 (en) 2010-11-08 2015-04-14 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission
US9516609B2 (en) 2010-11-08 2016-12-06 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission
US9084207B2 (en) * 2010-11-08 2015-07-14 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission
US8953713B2 (en) 2010-11-08 2015-02-10 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission
US9497773B2 (en) 2012-02-08 2016-11-15 QUALOCOMM Incorporated Method and apparatus for enhancing resource allocation for uplink MIMO communication
US9380490B2 (en) 2010-11-08 2016-06-28 Qualcomm Incorporated System and method for uplink multiple input multiple output transmission
CN102647218A (zh) * 2011-02-15 2012-08-22 宏达国际电子股份有限公司 处理多输入多输出预编码的测地内插的方法及其通讯装置
CN102148663B (zh) * 2011-03-22 2013-05-01 东南大学 综合利用长时和短时信道状态信息的自适应传输方法
CN104365049B (zh) * 2012-04-12 2017-09-22 诺基亚技术有限公司 在无额外参考信号下的控制信道上的发送分集的通信方法和装置
JP2014027608A (ja) * 2012-07-30 2014-02-06 Ntt Docomo Inc 基地局装置、ユーザ端末、通信システム及び通信制御方法
JP6050495B2 (ja) * 2012-08-31 2016-12-21 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおけるアンテナ仮想化方法及び装置
US20140169409A1 (en) * 2012-12-14 2014-06-19 Futurewei Technologies, Inc. Systems and Methods for Open-loop Spatial Multiplexing Schemes for Radio Access Virtualization
JP6336728B2 (ja) * 2013-08-20 2018-06-06 株式会社Ｎｔｔドコモ 同期信号送信方法及び基地局装置
US10097286B2 (en) * 2014-02-19 2018-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Data transmission over a reduced number of physical antennas
WO2018064313A1 (en) * 2016-09-28 2018-04-05 Idac Holdings, Inc. Reference signal design for wireless communication systems

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Cited By (20)

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Publication number Priority date Publication date Assignee Title
JP5339636B2 (ja) * 2008-08-05 2013-11-13 パナソニック株式会社 無線通信装置及び無線通信方法
US9178639B2 (en) 2009-02-03 2015-11-03 Lg Electronics Inc. Technique for transmitting and receiving downlink reference signals
US10015786B2 (en) 2009-02-03 2018-07-03 Lg Electronics Inc. Technique for transmitting and receiving downlink reference signals
US9794924B2 (en) 2009-02-03 2017-10-17 Lg Electronics Inc. Technique for transmitting and receiving downlink reference signals
CN102282892A (zh) * 2009-02-03 2011-12-14 Lg电子株式会社 用于传送和接收下行链路参考信号的技术
CN102282907A (zh) * 2009-03-20 2011-12-14 富士通株式会社 基站和移动台
CN101841358B (zh) * 2009-03-20 2013-08-21 富士通株式会社 基站和移动台
CN104135346A (zh) * 2009-04-24 2014-11-05 夏普株式会社 无线通信系统、无线通信装置及无线通信方法
CN101877688A (zh) * 2009-04-29 2010-11-03 华为技术有限公司 Ofdm系统的分集发射方法与装置
CN101877688B (zh) * 2009-04-29 2014-01-01 华为技术有限公司 Ofdm系统的分集发射方法与装置
EP2500171A2 (en) 2009-05-14 2012-09-19 DuPont Teijin Films U.S. Limited Partnership Transparent conductive composite film
US9184511B2 (en) 2009-07-10 2015-11-10 Futurewei Technologies, Inc. System and method for downlink channel sounding in wireless communications systems
US9735852B2 (en) 2009-07-10 2017-08-15 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
WO2011003363A1 (en) * 2009-07-10 2011-01-13 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
US10498416B2 (en) 2009-07-10 2019-12-03 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
US10855353B2 (en) 2009-07-10 2020-12-01 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
US11894897B2 (en) 2009-07-10 2024-02-06 Huawei Technologies Co., Ltd. System and method for downlink channel sounding in wireless communications systems
US8885746B2 (en) 2009-10-08 2014-11-11 Koninklijke Philips N.V. Method for operating a radio station in a cellular communication network
KR101782077B1 (ko) 2009-10-08 2017-09-26 코닌클리케 필립스 엔.브이. 셀룰러 통신 네트워크에서 무선 스테이션을 동작시키기 위한 방법
WO2011042847A3 (en) * 2009-10-08 2011-06-16 Koninklijke Philips Electronics N.V. A method for operating a radio station in a cellular communication network

Also Published As

Publication number Publication date
JP2008236429A (ja) 2008-10-02
KR20090119997A (ko) 2009-11-23
CN101682473A (zh) 2010-03-24
US8514971B2 (en) 2013-08-20
JP5026122B2 (ja) 2012-09-12
EP2124350A1 (en) 2009-11-25
EP2124350A4 (en) 2014-12-10
US20100316156A1 (en) 2010-12-16

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