DE69839960D1 - Adaptive gruppensender/empfänger - Google Patents

Adaptive gruppensender/empfänger

Info

Publication number
DE69839960D1
DE69839960D1 DE69839960T DE69839960T DE69839960D1 DE 69839960 D1 DE69839960 D1 DE 69839960D1 DE 69839960 T DE69839960 T DE 69839960T DE 69839960 T DE69839960 T DE 69839960T DE 69839960 D1 DE69839960 D1 DE 69839960D1
Authority
DE
Germany
Prior art keywords
receiver
adaptive group
group transmitter
transmitter
adaptive
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.)
Expired - Lifetime
Application number
DE69839960T
Other languages
English (en)
Inventor
Kazuhiko Fukawa
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.)
NTT Docomo Inc
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
NTT Mobile Communications Networks 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 Nippon Telegraph and Telephone Corp, NTT Mobile Communications Networks Inc filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69839960D1 publication Critical patent/DE69839960D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
    • H01Q3/2611—Means for null steering; Adaptive interference nulling
    • 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
    • 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
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radio Transmission System (AREA)
DE69839960T 1997-06-03 1998-06-02 Adaptive gruppensender/empfänger Expired - Lifetime DE69839960D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14534397 1997-06-03
PCT/JP1998/002421 WO1998056121A1 (fr) 1997-06-03 1998-06-02 Emetteur-recepteur adaptatif

Publications (1)

Publication Number Publication Date
DE69839960D1 true DE69839960D1 (de) 2008-10-16

Family

ID=15382995

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69839960T Expired - Lifetime DE69839960D1 (de) 1997-06-03 1998-06-02 Adaptive gruppensender/empfänger

Country Status (8)

Country Link
US (1) US6243412B1 (de)
EP (1) EP0961416B1 (de)
JP (1) JP3375139B2 (de)
KR (1) KR100312836B1 (de)
CN (1) CN1127228C (de)
CA (1) CA2248345C (de)
DE (1) DE69839960D1 (de)
WO (1) WO1998056121A1 (de)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3389455B2 (ja) 1997-06-17 2003-03-24 三洋電機株式会社 アダプティブアレイ装置およびその補正方法
JP3779063B2 (ja) * 1998-05-28 2006-05-24 松下電器産業株式会社 無線通信装置及び無線通信方法
US6647070B1 (en) * 1998-09-10 2003-11-11 Texas Instruments Incorporated Method and apparatus for combating impulse noise in digital communications channels
US7076228B1 (en) * 1999-11-10 2006-07-11 Rilling Kenneth F Interference reduction for multiple signals
US6295289B1 (en) * 1998-11-30 2001-09-25 Nokia Mobile Phones, Ltd. Power control in a transmitter
US6611511B1 (en) * 1999-03-04 2003-08-26 Cellco Partnership Cellular telephone communication system using sector splitting for improved performance
CN100380842C (zh) 1999-06-23 2008-04-09 日本国立北海道大学学长 无线装置
JP2001102970A (ja) * 1999-09-29 2001-04-13 Matsushita Electric Ind Co Ltd 通信端末装置及び無線通信方法
JP4369581B2 (ja) * 1999-12-17 2009-11-25 パナソニック株式会社 基地局装置および干渉抑圧送信方法
JP2001203619A (ja) * 2000-01-19 2001-07-27 Matsushita Electric Ind Co Ltd 無線基地局装置及び無線通信方法
US6754511B1 (en) 2000-02-04 2004-06-22 Harris Corporation Linear signal separation using polarization diversity
US7339520B2 (en) 2000-02-04 2008-03-04 The Directv Group, Inc. Phased array terminal for equatorial satellite constellations
DE60137559D1 (de) * 2000-03-27 2009-03-19 Ntt Docomo Inc Räumliche und Zeitliche Entzerrer und Entzerrungsverfahren
US20020106040A1 (en) * 2001-02-02 2002-08-08 Sarnoff Corporation Method and apparatus for reducing multipath distortion in a wireless ian system
AU2001264906A1 (en) * 2000-05-22 2001-12-03 Sarnoff Corporation Method and apparatus for reducing multipath distortion in a wireless lan system
DE10025287B4 (de) * 2000-05-22 2006-06-08 Siemens Ag Verfahren und Kommunikationssystem zur Schätzung einer Störungs-Kovarianzmatrix für die Abwärtsverbindung in zellularen Mobilfunknetzen mit adaptiven Antennen
JP3660209B2 (ja) 2000-05-25 2005-06-15 松下電器産業株式会社 無線通信装置
US7082174B1 (en) 2000-07-24 2006-07-25 Qualcomm, Incorporated Method and apparatus for processing a modulated signal using an equalizer and a rake receiver
US7317916B1 (en) 2000-09-14 2008-01-08 The Directv Group, Inc. Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection
US7720472B1 (en) 2000-09-14 2010-05-18 The Directv Group, Inc. Stratospheric-based communication system having interference cancellation
US7369847B1 (en) 2000-09-14 2008-05-06 The Directv Group, Inc. Fixed cell communication system with reduced interference
US6388634B1 (en) 2000-10-31 2002-05-14 Hughes Electronics Corporation Multi-beam antenna communication system and method
US7000175B2 (en) * 2000-11-03 2006-02-14 Agere Systems Inc. Method and apparatus for pipelined joint equalization and decoding for gigabit communications
WO2002054627A1 (fr) * 2000-12-27 2002-07-11 Sanyo Electric Co., Ltd. Appareil radio, programme et procede de detection de permutation
WO2002054531A1 (en) * 2000-12-29 2002-07-11 Nokia Corporation Base station, base station module and method for estimating parameters of uplink signals
US7809403B2 (en) 2001-01-19 2010-10-05 The Directv Group, Inc. Stratospheric platforms communication system using adaptive antennas
US8396513B2 (en) 2001-01-19 2013-03-12 The Directv Group, Inc. Communication system for mobile users using adaptive antenna
US7187949B2 (en) 2001-01-19 2007-03-06 The Directv Group, Inc. Multiple basestation communication system having adaptive antennas
US7068733B2 (en) 2001-02-05 2006-06-27 The Directv Group, Inc. Sampling technique for digital beam former
DE60230981D1 (de) * 2001-05-31 2009-03-12 Magnolia Broadband Inc Kommunikationseinrichtung mit intelligenter antenne, die ein qualitätsanzeigesignal verwendet
WO2003028229A1 (en) * 2001-09-27 2003-04-03 The Regents Of The University Of California Closed loop power control techniques
US7039363B1 (en) * 2001-09-28 2006-05-02 Arraycomm Llc Adaptive antenna array with programmable sensitivity
US7317764B2 (en) * 2003-06-11 2008-01-08 Lucent Technologies Inc. Method of signal transmission to multiple users from a multi-element array
KR100981571B1 (ko) * 2003-07-26 2010-09-10 삼성전자주식회사 다중 입력 다중 출력 적응 안테나 어레이 방식을 사용하는이동 통신 시스템에서 신호 송수신 시스템 및 방법
KR100617843B1 (ko) * 2003-07-26 2006-08-28 삼성전자주식회사 적응 안테나 어레이 방식을 사용하는 이동 통신 시스템에서 신호 송수신 시스템 및 방법
JP4403010B2 (ja) * 2004-02-03 2010-01-20 株式会社エヌ・ティ・ティ・ドコモ 信号分離装置
JP2006287622A (ja) * 2005-03-31 2006-10-19 Fujitsu Ltd 高周波通信制御装置および高周波通信制御方法
JP4633600B2 (ja) * 2005-10-28 2011-02-16 京セラ株式会社 無線通信装置及びその信号処理方法
JP2007143072A (ja) 2005-11-22 2007-06-07 Samsung Electronics Co Ltd 複素係数フィルタ、周波数変換器及び通信システム
EP2023506A1 (de) 2006-04-27 2009-02-11 Kyocera Corporation Verfahren, einrichtung und system zur funkkommunikation
CN100553184C (zh) * 2006-11-24 2009-10-21 普天信息技术研究院 一种信号预编码方法
KR100969168B1 (ko) * 2008-05-26 2010-07-14 삼성탈레스 주식회사 궤환간섭제거 방법
US8451927B2 (en) * 2008-07-04 2013-05-28 Keio University Multicarrier communication system
DE102009017552B3 (de) * 2009-04-17 2010-09-30 Sew-Eurodrive Gmbh & Co. Kg Vorrichtung und Verfahren zur berührungslosen Übertragung elektrischer Leistung und Information
US8291294B2 (en) * 2009-05-21 2012-10-16 Seagate Technology Llc Intersymbol interference encoding in a solid state drive
JP5288622B2 (ja) * 2009-06-16 2013-09-11 シャープ株式会社 無線通信装置、無線通信システムおよび通信方法
JP6532777B2 (ja) * 2015-07-02 2019-06-19 株式会社日立製作所 等化器
EP3430728B1 (de) * 2016-03-18 2023-09-20 Telefonaktiebolaget LM Ericsson (PUBL) Kommunikationsschaltung für mehrantennenvorrichtung
EP3989447A1 (de) 2017-09-15 2022-04-27 Telefonaktiebolaget LM Ericsson (publ) Multiantennen-kommunikation datenumsetzer-taktung

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5964912A (ja) * 1982-10-05 1984-04-13 Nec Corp デイジタルフイルタ
JP2589811B2 (ja) * 1989-06-30 1997-03-12 松下電器産業株式会社 受信装置
US5142551A (en) * 1991-02-28 1992-08-25 Motorola, Inc. Signal weighting system for digital receiver
US5274844A (en) 1992-05-11 1993-12-28 Motorola, Inc. Beam pattern equalization method for an adaptive array
JP2663820B2 (ja) 1992-12-28 1997-10-15 日本電気株式会社 判定帰還形等化器
JP2885612B2 (ja) * 1993-06-25 1999-04-26 日本電気株式会社 干渉波除去装置
JPH0795655A (ja) 1993-09-20 1995-04-07 Toshiba Corp 移動通信システム
JP2734953B2 (ja) * 1993-12-16 1998-04-02 日本電気株式会社 Ｃｄｍａ受信装置
JP3180240B2 (ja) * 1993-12-27 2001-06-25 日本電信電話株式会社 適応等化器
JP2561031B2 (ja) 1994-06-07 1996-12-04 日本電気株式会社 送受信装置
FR2738967B1 (fr) * 1995-09-15 1997-12-05 France Telecom Dispositif d'egalisation adaptatif pour systemes de communications numeriques

Also Published As

Publication number Publication date
CN1223038A (zh) 1999-07-14
KR20000064854A (ko) 2000-11-06
KR100312836B1 (ko) 2001-12-28
EP0961416A1 (de) 1999-12-01
JP3375139B2 (ja) 2003-02-10
CN1127228C (zh) 2003-11-05
US6243412B1 (en) 2001-06-05
CA2248345C (en) 2001-08-21
WO1998056121A1 (fr) 1998-12-10
EP0961416A4 (de) 2001-01-17
CA2248345A1 (en) 1998-12-03
EP0961416B1 (de) 2008-09-03

Similar Documents

Publication Publication Date Title
DE69839960D1 (de) Adaptive gruppensender/empfänger
EP1093241A4 (de) Adaptives sender/empfänger
DE69720722D1 (de) Leistungseffizienter empfänger
DE69704549D1 (de) Aufnahmevorrichtung
DE69935908D1 (de) Sende-empfänger
DE69702325D1 (de) Funksendegerät
DE69526013T2 (de) Diversity-Empfänger
FI102121B1 (fi) Radiotietoliikenteen lähetin/vastaanotin
DE69836530D1 (de) Adaptive gruppenantenne
DE69515312T2 (de) Direktmischempfänger
DE69804862T2 (de) Integrierter optischer sender-empfänger
FI104300B1 (fi) Adaptiivinen radiojärjestelmä
DE1039709T1 (de) Empfänger
DE59808871D1 (de) Rundfunkempfänger
NO961692D0 (no) Sender/mottakeranlegg for radiosignaler
DE69625676D1 (de) Empfänger mit gruppenantenne
DE69938388D1 (de) Empfänger
DE59814123D1 (de) Rundfunkempfänger
DE69632177D1 (de) Funkempfänger
DE69818734D1 (de) Funkempfänger
DE69633685D1 (de) Rundfunkempfänger
GB9825532D0 (en) Voice transmitter
DE69838138D1 (de) Empfänger
DE69933325D1 (de) Diversity-Empfänger
BR9706263A (pt) Disposição de transmissor de frequência

Legal Events

Date Code Title Description
8364 No opposition during term of opposition