DE69731978D1 - Verfahren und vorrichtung zur gerichteten funkübertragung - Google Patents

Verfahren und vorrichtung zur gerichteten funkübertragung

Info

Publication number
DE69731978D1
DE69731978D1 DE69731978T DE69731978T DE69731978D1 DE 69731978 D1 DE69731978 D1 DE 69731978D1 DE 69731978 T DE69731978 T DE 69731978T DE 69731978 T DE69731978 T DE 69731978T DE 69731978 D1 DE69731978 D1 DE 69731978D1
Authority
DE
Germany
Prior art keywords
station
beam direction
signal
radio transmission
transmitted radio
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
DE69731978T
Other languages
English (en)
Other versions
DE69731978T2 (de
Inventor
Marcos Katz
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Publication of DE69731978D1 publication Critical patent/DE69731978D1/de
Application granted granted Critical
Publication of DE69731978T2 publication Critical patent/DE69731978T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • 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
    • H04B7/06—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
DE69731978T 1997-02-13 1997-02-13 Verfahren und vorrichtung zur gerichteten funkübertragung Expired - Lifetime DE69731978T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1997/000664 WO1998036596A1 (en) 1997-02-13 1997-02-13 Method and apparatus for directional radio communication

Publications (2)

Publication Number Publication Date
DE69731978D1 true DE69731978D1 (de) 2005-01-20
DE69731978T2 DE69731978T2 (de) 2005-10-06

Family

ID=8166512

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69731978T Expired - Lifetime DE69731978T2 (de) 1997-02-13 1997-02-13 Verfahren und vorrichtung zur gerichteten funkübertragung

Country Status (7)

Country Link
US (1) US6393303B1 (de)
EP (1) EP0960544B1 (de)
JP (1) JP2001511969A (de)
AT (1) ATE285158T1 (de)
AU (1) AU736743B2 (de)
DE (1) DE69731978T2 (de)
WO (1) WO1998036596A1 (de)

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ATE258000T1 (de) * 1997-02-13 2004-01-15 Nokia Corp Verfahren und vorrichtung zur gerichteten funkübertragung
US6600447B1 (en) * 1997-12-19 2003-07-29 Ericsson Inc. Apparatus and method for determining signal direction from an estimated signal medium response for a ray component of a radio signal
JP4087023B2 (ja) * 1998-09-22 2008-05-14 シャープ株式会社 ミリ波帯信号送受信システムおよびミリ波帯信号送受信システムを具備した家屋
US6542485B1 (en) * 1998-11-25 2003-04-01 Lucent Technologies Inc. Methods and apparatus for wireless communication using time division duplex time-slotted CDMA
US6813254B1 (en) * 1998-11-25 2004-11-02 Lucent Technologies Inc. Methods and apparatus for wireless communication using code division duplex time-slotted CDMA
WO2000067508A1 (en) * 1999-05-01 2000-11-09 Nokia Corporation A method of directional radio communication
EP1111812A1 (de) * 1999-12-20 2001-06-27 Nortel Matra Cellular Omni send und sectorempfang eines Zellulares Telekommunikationsnetz und entsprechende Bedienungsmethode
FI20000176A0 (fi) 2000-01-28 2000-01-28 Nokia Networks Oy Diversiteettilähetys
US7720472B1 (en) 2000-09-14 2010-05-18 The Directv Group, Inc. Stratospheric-based communication system having interference cancellation
JP3910349B2 (ja) * 2000-09-19 2007-04-25 株式会社日立コミュニケーションテクノロジー 指向性アンテナの制御方法および装置
US7809403B2 (en) * 2001-01-19 2010-10-05 The Directv Group, Inc. Stratospheric platforms communication system using adaptive antennas
US7187949B2 (en) 2001-01-19 2007-03-06 The Directv Group, Inc. Multiple basestation communication system having adaptive antennas
US8396513B2 (en) * 2001-01-19 2013-03-12 The Directv Group, Inc. Communication system for mobile users using adaptive antenna
GB0102316D0 (en) * 2001-01-30 2001-03-14 Koninkl Philips Electronics Nv Radio communication system
US20030017853A1 (en) * 2001-07-12 2003-01-23 Sarnoff Corporation Method and apparatus for enhancing the data transmission capacity of a wireless communication system
WO2004043082A2 (en) * 2002-11-04 2004-05-21 Vivato, Inc. Complementary beamforming methods and apparatuses
US7089037B2 (en) * 2003-01-15 2006-08-08 Nortel Networks Limited System and method for improving capacity gain while maintaining call performance in a wireless communications system
US7953372B2 (en) * 2003-04-07 2011-05-31 Yoram Ofek Directional antenna sectoring system and methodology
DE10358857A1 (de) * 2003-12-16 2005-07-21 Robert Bosch Gmbh Abstandsmessvorrichtung zur Steuerung
US20050141651A1 (en) * 2003-12-30 2005-06-30 Jiayi Zhuang Method and system for modifying branch metric of Viterbi decoder for uncorrelated signals
US7284222B1 (en) * 2004-06-30 2007-10-16 Tabula, Inc. Method and apparatus for identifying connections between configurable nodes in a configurable integrated circuit
JP4489505B2 (ja) * 2004-05-12 2010-06-23 株式会社エヌ・ティ・ティ・ドコモ ウエイト決定装置及びウエイト決定方法
US7283092B2 (en) * 2005-03-11 2007-10-16 Nokia Corporation Enhanced switched-beam antenna arrangement
US20060252461A1 (en) * 2005-05-06 2006-11-09 Grant Neil G Controlling wireless communications from a multi-sector antenna of a base station
US7844232B2 (en) * 2005-05-25 2010-11-30 Research In Motion Limited Joint space-time optimum filters (JSTOF) with at least one antenna, at least one channel, and joint filter weight and CIR estimation
US20090054054A1 (en) * 2007-08-20 2009-02-26 Samsung Electronics Co., Ltd. System and method for maintaining reliable beacon transmission and reception in a wireless communication network
US8212722B2 (en) * 2008-04-30 2012-07-03 Samsung Electronics Co., Ltd. System and method for discovering and tracking communication directions with asymmetric antenna systems
US8165050B2 (en) * 2008-07-02 2012-04-24 Samsung Electronics Co., Ltd. System and method for use of a short beacon in a wireless communication network
US8861446B2 (en) * 2010-02-03 2014-10-14 Qualcomm Incorporated Methods and apparatuses for channel selection
JP6419070B2 (ja) * 2012-07-31 2018-11-07 サムスン エレクトロニクス カンパニー リミテッド 無線通信システムにおけるビームフォーミングを用いた通信方法及び装置
US8773164B1 (en) * 2012-11-01 2014-07-08 Xilinx, Inc. Programmable interconnect network
US9648504B2 (en) * 2013-12-10 2017-05-09 Qualcomm Incorporated Using subarrays of a beamformer for transmissions in a forward link
US20170222704A1 (en) * 2016-02-02 2017-08-03 Qualcomm Incorporated Beamforming for line of sight (los) link
US10397811B2 (en) * 2016-10-14 2019-08-27 At&T Intellectual Property I, L.P. Wireless channel sounder with fast measurement speed and wide dynamic range
US10148513B1 (en) * 2017-05-10 2018-12-04 International Business Machines Corporation Mobile device bandwidth consumption

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US5515378A (en) 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
EP0647978B1 (de) 1993-08-12 2002-10-23 Nortel Networks Limited Antenneneinrichtung für Basisstation
GB2281176B (en) 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
GB2281011B (en) * 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
US5621752A (en) 1994-06-23 1997-04-15 Qualcomm Incorporated Adaptive sectorization in a spread spectrum communication system
FI97926C (fi) 1994-09-22 1997-03-10 Nokia Telecommunications Oy Menetelmä lähetystehon säätämiseksi ja solukkoradiojärjestelmä
US6006069A (en) 1994-11-28 1999-12-21 Bosch Telecom Gmbh Point-to-multipoint communications system
DE19506439A1 (de) * 1995-02-24 1996-08-29 Sel Alcatel Ag Zuweisung einer Trägerfrequenz in einem SDMA-Funksystem
FI98172C (fi) * 1995-05-24 1997-04-25 Nokia Telecommunications Oy Menetelmä pilottisignaalin lähettämiseksi ja solukkoradiojärjestelmä
FI105515B (fi) 1995-05-24 2000-08-31 Nokia Networks Oy Menetelmä kanavanvaihdon nopeuttamiseksi sekä solukkoradiojärjestelmä
GB9514659D0 (en) 1995-07-18 1995-09-13 Northern Telecom Ltd An antenna downlink beamsteering arrangement
US5610617A (en) 1995-07-18 1997-03-11 Lucent Technologies Inc. Directive beam selectivity for high speed wireless communication networks
JP3441256B2 (ja) 1995-09-06 2003-08-25 株式会社東芝 無線通信システム
US5884187A (en) 1996-03-13 1999-03-16 Ziv; Noam A. Method and apparatus for providing centralized power control administration for a set of base stations
US5999800A (en) * 1996-04-18 1999-12-07 Korea Telecom Freetel Co., Ltd. Design technique of an array antenna, and telecommunication system and method utilizing the array antenna
US5856804A (en) 1996-10-30 1999-01-05 Motorola, Inc. Method and intelligent digital beam forming system with improved signal quality communications
US6018643A (en) * 1997-06-03 2000-01-25 Texas Instruments Incorporated Apparatus and method for adaptively forming an antenna beam pattern in a wireless communication system
US6097970A (en) * 1997-12-31 2000-08-01 Weblink Wireless, Inc. Antenna system for narrowband communications systems and method of operation
US6233466B1 (en) * 1998-12-14 2001-05-15 Metawave Communications Corporation Downlink beamforming using beam sweeping and subscriber feedback

Also Published As

Publication number Publication date
US6393303B1 (en) 2002-05-21
JP2001511969A (ja) 2001-08-14
WO1998036596A1 (en) 1998-08-20
EP0960544A1 (de) 1999-12-01
AU1724797A (en) 1998-09-08
EP0960544B1 (de) 2004-12-15
AU736743B2 (en) 2001-08-02
DE69731978T2 (de) 2005-10-06
ATE285158T1 (de) 2005-01-15

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Legal Events

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8364 No opposition during term of opposition