HK1095437A1 - Transmitter-receiver of mobile communication system - Google Patents

Transmitter-receiver of mobile communication system

Info

Publication number
HK1095437A1
HK1095437A1 HK07100485A HK07100485A HK1095437A1 HK 1095437 A1 HK1095437 A1 HK 1095437A1 HK 07100485 A HK07100485 A HK 07100485A HK 07100485 A HK07100485 A HK 07100485A HK 1095437 A1 HK1095437 A1 HK 1095437A1
Authority
HK
Hong Kong
Prior art keywords
transmitter
receiver
communication system
mobile communication
mobile
Prior art date
Application number
HK07100485A
Other languages
English (en)
Inventor
Satoshi Oura
Yasushi Maruta
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of HK1095437A1 publication Critical patent/HK1095437A1/xx

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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/086—Weighted combining using weights depending on external parameters, e.g. direction of arrival [DOA], predetermined weights or beamforming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • 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
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Noise Elimination (AREA)
HK07100485A 2005-06-27 2007-01-15 Transmitter-receiver of mobile communication system HK1095437A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005186798A JP4449836B2 (ja) 2005-06-27 2005-06-27 適応アンテナ送受信装置

Publications (1)

Publication Number Publication Date
HK1095437A1 true HK1095437A1 (en) 2007-05-04

Family

ID=36942555

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07100485A HK1095437A1 (en) 2005-06-27 2007-01-15 Transmitter-receiver of mobile communication system

Country Status (7)

Country Link
US (1) US20060292994A1 (xx)
EP (1) EP1739855B1 (xx)
JP (1) JP4449836B2 (xx)
KR (1) KR100784453B1 (xx)
CN (1) CN1893315B (xx)
DE (1) DE602006003820D1 (xx)
HK (1) HK1095437A1 (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4516358B2 (ja) * 2004-05-26 2010-08-04 富士通株式会社 無線基地局装置および無線通信方法
KR100849330B1 (ko) * 2004-09-02 2008-07-29 삼성전자주식회사 무선 통신 시스템에서 적응 송수신 장치 및 방법
JP4086833B2 (ja) * 2004-10-27 2008-05-14 日本電波工業株式会社 高周波無線機の制御方法及び高周波無線機システム
JP5157181B2 (ja) * 2007-01-30 2013-03-06 日本電気株式会社 電波制御システム、方法、及び、電波送信機器
JP5146138B2 (ja) 2008-06-19 2013-02-20 富士通株式会社 無線通信装置および送信ビーム制御方法
US9198165B2 (en) * 2010-08-27 2015-11-24 Kyocera Corporation Sounding reference signal to determine antenna weight and frequency bands
US20150029983A1 (en) * 2012-04-11 2015-01-29 Hitachi Kokusai Electric Inc. Radio system, radio base station, and management apparatus
GB2508383B (en) 2012-11-29 2014-12-17 Aceaxis Ltd Processing interference due to non-linear products in a wireless network
EP2989838B1 (en) * 2013-04-23 2021-01-13 Samsung Electronics Co., Ltd. Method and apparatus for controlling power of uplink in a beam forming system
EP2889957A1 (en) * 2013-12-30 2015-07-01 Clemens Rheinfelder Active antenna system with distributed transceiver system
US10396873B2 (en) 2014-09-24 2019-08-27 Mediatek Inc. Control signaling in a beamforming system
US9866299B2 (en) 2014-09-24 2018-01-09 Mediatek Inc. Synchronization in a beamforming system
JP6468034B2 (ja) * 2015-04-01 2019-02-13 富士通株式会社 基地局、無線通信システム、および基地局の処理方法
CN105262550B (zh) * 2015-09-21 2017-12-22 梁海浪 一种高阶累积量来波方向快速估计的方法
CN112217541B (zh) * 2019-07-12 2021-12-31 华为技术有限公司 波束配置方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6181924B1 (en) * 1997-07-01 2001-01-30 Telefonaktiebolaget Lm Ericsson (Publ) Method and system for rejecting interfering signals
US6473418B1 (en) * 1999-03-11 2002-10-29 Flarion Technologies, Inc. Orthogonal frequency division multiplexing based spread spectrum multiple access
GB2349045A (en) * 1999-04-16 2000-10-18 Fujitsu Ltd Base station transmission beam pattern forming; interference reduction
JP2000307489A (ja) * 1999-04-23 2000-11-02 Matsushita Electric Ind Co Ltd 無線受信装置及び受信タイミング検出方法
JP4509297B2 (ja) * 2000-04-26 2010-07-21 三菱電機株式会社 スペクトル拡散受信装置
US6317467B1 (en) * 2000-06-14 2001-11-13 Lloyd C. Cox Beamforming and interference cancellation system using general purpose filter architecture
KR100658063B1 (ko) * 2000-06-30 2006-12-15 비오이 하이디스 테크놀로지 주식회사 구동방식을 향상시킨 아이피에스 모드 박막트랜지스터액정표시장치
EP1317081A4 (en) * 2000-07-14 2009-12-02 Sanyo Electric Co INFORMATION TERMINAL AND WIRELESS COMMUNICATION SYSTEM, METHOD AND COMMUNICATION PROGRAM
RU2186465C2 (ru) * 2000-08-14 2002-07-27 Гармонов Александр Васильевич Способ организации радиоинтерфейса и базовая станция сотовой системы связи
KR100354169B1 (ko) * 2000-11-13 2002-09-27 엘지전자 주식회사 그룹 순차형 간섭 제거 방법 및 장치
KR100746070B1 (ko) * 2000-11-16 2007-08-06 엘지전자 주식회사 부분 병렬식 간섭 제거 방법
JP2004535724A (ja) * 2001-07-13 2004-11-25 サーノフ コーポレイション 無線通信システムのデータ伝送能力を向上させる方法及び装置
EP1284562A1 (de) * 2001-08-16 2003-02-19 Alcatel Verfahren, Empfänger und Empfangsstation zum Entzerren eines Empfangssignals

Also Published As

Publication number Publication date
CN1893315B (zh) 2010-06-23
EP1739855A3 (en) 2007-11-07
KR100784453B1 (ko) 2007-12-11
EP1739855A2 (en) 2007-01-03
JP2007006365A (ja) 2007-01-11
DE602006003820D1 (de) 2009-01-08
EP1739855B1 (en) 2008-11-26
US20060292994A1 (en) 2006-12-28
KR20070000350A (ko) 2007-01-02
CN1893315A (zh) 2007-01-10
JP4449836B2 (ja) 2010-04-14

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20120620