ATE250829T1 - Adaptives sektorisiertes spreizspektrum ubertragungssystem - Google Patents

Adaptives sektorisiertes spreizspektrum ubertragungssystem

Info

Publication number
ATE250829T1
ATE250829T1 AT95924673T AT95924673T ATE250829T1 AT E250829 T1 ATE250829 T1 AT E250829T1 AT 95924673 T AT95924673 T AT 95924673T AT 95924673 T AT95924673 T AT 95924673T AT E250829 T1 ATE250829 T1 AT E250829T1
Authority
AT
Austria
Prior art keywords
signals
sectorized
adaptive
transmission system
received
Prior art date
Application number
AT95924673T
Other languages
English (en)
Inventor
Franklin P Antonio
Klein S Gilhousen
Jack K Wolf
Ephraim Zehavi
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE250829T1 publication Critical patent/ATE250829T1/de

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
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Optical Communication System (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Transmission System (AREA)
  • Communication Control (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radio Relay Systems (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
AT95924673T 1994-06-23 1995-06-22 Adaptives sektorisiertes spreizspektrum ubertragungssystem ATE250829T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/265,664 US5621752A (en) 1994-06-23 1994-06-23 Adaptive sectorization in a spread spectrum communication system
PCT/US1995/007970 WO1996000466A1 (en) 1994-06-23 1995-06-22 Adaptive sectorization in a spread spectrum communication system

Publications (1)

Publication Number Publication Date
ATE250829T1 true ATE250829T1 (de) 2003-10-15

Family

ID=23011394

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95924673T ATE250829T1 (de) 1994-06-23 1995-06-22 Adaptives sektorisiertes spreizspektrum ubertragungssystem

Country Status (18)

Country Link
US (1) US5621752A (de)
EP (1) EP0767994B1 (de)
JP (1) JP3150976B2 (de)
KR (1) KR100372383B1 (de)
CN (1) CN1082286C (de)
AT (1) ATE250829T1 (de)
AU (1) AU685966B2 (de)
BR (1) BR9508102A (de)
CA (1) CA2193394C (de)
DE (1) DE69531827T2 (de)
DK (1) DK0767994T3 (de)
ES (1) ES2210299T3 (de)
FI (1) FI115352B (de)
HK (1) HK1019022A1 (de)
MX (1) MX9606634A (de)
PT (1) PT767994E (de)
RU (1) RU2142202C1 (de)
WO (1) WO1996000466A1 (de)

Families Citing this family (174)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5933446A (en) * 1991-05-29 1999-08-03 The United States Of America As Represented By The Secretary Of The Navy Beamformer with adaptive processors
ZA95797B (en) * 1994-02-14 1996-06-20 Qualcomm Inc Dynamic sectorization in a spread spectrum communication system
US6201801B1 (en) 1994-03-24 2001-03-13 Ericsson Inc. Polarization diversity phased array cellular base station and associated methods
US6151310A (en) * 1994-03-24 2000-11-21 Ericsson Inc. Dividable transmit antenna array for a cellular base station and associated method
US5610907A (en) * 1994-07-29 1997-03-11 Barrett; Terence W. Ultrafast time hopping CDMA-RF communications: code-as-carrier, multichannel operation, high data rate operation and data rate on demand
CN1184837C (zh) * 1994-11-04 2005-01-12 安德鲁公司 天线控制系统
US6128331A (en) * 1994-11-07 2000-10-03 Cisco Systems, Inc. Correlation system for use in wireless direct sequence spread spectrum systems
JP3444001B2 (ja) * 1995-02-10 2003-09-08 ソニー株式会社 符号検出回路
FI105430B (fi) * 1995-05-24 2000-08-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
FI106668B (fi) * 1995-05-24 2001-03-15 Nokia Networks Oy Tukiasemalaitteisto sekä menetelmä antennikeilan suuntaamiseksi
US6018317A (en) * 1995-06-02 2000-01-25 Trw Inc. Cochannel signal processing system
US5838671A (en) * 1995-06-23 1998-11-17 Ntt Mobile Communications Network Inc. Method and apparatus for call admission control in CDMA mobile communication system
US5764688A (en) * 1995-06-30 1998-06-09 Roke Manor Research Limited Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
JP3286885B2 (ja) * 1995-11-07 2002-05-27 三菱電機株式会社 タイミング再生手段及びダイバーシティ通信装置
US5909460A (en) * 1995-12-07 1999-06-01 Ericsson, Inc. Efficient apparatus for simultaneous modulation and digital beamforming for an antenna array
US5793798A (en) * 1995-12-18 1998-08-11 Ail Systems, Inc. Virtual beam system
FI107851B (fi) * 1996-05-22 2001-10-15 Nokia Networks Oy Menetelmä antennikeilan valitsemiseksi, tukiasema ja solukkoradiojärjestelmä
US6678311B2 (en) 1996-05-28 2004-01-13 Qualcomm Incorporated High data CDMA wireless communication system using variable sized channel codes
US7035661B1 (en) 1996-10-11 2006-04-25 Arraycomm, Llc. Power control with signal quality estimation for smart antenna communication systems
US6415162B1 (en) 1996-10-11 2002-07-02 Ericsson Inc. Interstitial sector system
US5930243A (en) * 1996-10-11 1999-07-27 Arraycomm, Inc. Method and apparatus for estimating parameters of a communication system using antenna arrays and spatial processing
US6275543B1 (en) 1996-10-11 2001-08-14 Arraycomm, Inc. Method for reference signal generation in the presence of frequency offsets in a communications station with spatial processing
US6463295B1 (en) 1996-10-11 2002-10-08 Arraycomm, Inc. Power control with signal quality estimation for smart antenna communication systems
US5754139A (en) * 1996-10-30 1998-05-19 Motorola, Inc. Method and intelligent digital beam forming system responsive to traffic demand
FI105862B (fi) * 1996-11-14 2000-10-13 Nokia Networks Oy Vastaanottomenetelmä ja vastaanotin
US5914949A (en) * 1996-12-17 1999-06-22 Lucent Technologies Inc. Circuit and method for tracking finger off-set in a spread-spectrum rake receiver and wireless infrastructure employing the same
US6141334A (en) * 1997-02-10 2000-10-31 Lucent Technologies, Inc. Receiver for pilot-aided code-division multiple access
JP4026858B2 (ja) * 1997-02-13 2007-12-26 ノキア コーポレイション 方向性無線通信方法及び装置
EP0960544B1 (de) 1997-02-13 2004-12-15 Nokia Corporation Verfahren und vorrichtung zur gerichteten funkübertragung
WO1998036598A1 (en) * 1997-02-13 1998-08-20 Nokia Telecommunications Oy Method and apparatus for directional radio communication
ATE258000T1 (de) 1997-02-13 2004-01-15 Nokia Corp Verfahren und vorrichtung zur gerichteten funkübertragung
US6122266A (en) * 1997-02-19 2000-09-19 Lucent Technologies Inc. Multi-level sectorized CDMA communications
DE19707057C2 (de) * 1997-02-21 2001-02-15 Siemens Ag Basisstation für ein Funk-Kommunikationssystem
US6697641B1 (en) * 1997-03-03 2004-02-24 Celletra Ltd. Method and system for improving communication
US5982807A (en) 1997-03-17 1999-11-09 Harris Corporation High data rate spread spectrum transceiver and associated methods
US6163533A (en) * 1997-04-30 2000-12-19 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
US6081536A (en) 1997-06-20 2000-06-27 Tantivy Communications, Inc. Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link
US6542481B2 (en) 1998-06-01 2003-04-01 Tantivy Communications, Inc. Dynamic bandwidth allocation for multiple access communication using session queues
SE509776C2 (sv) * 1997-07-04 1999-03-08 Ericsson Telefon Ab L M Anordning och förfarande vid antennlobsstyrning i radiokommunikationssystem
WO1999009666A1 (en) * 1997-08-15 1999-02-25 Motorola Inc. Method for processing data in a communication system receiver
US6055230A (en) 1997-09-05 2000-04-25 Metawave Communications Corporation Embedded digital beam switching
US6285655B1 (en) 1997-09-08 2001-09-04 Qualcomm Inc. Method and apparatus for providing orthogonal spot beams, sectors, and picocells
JP3095065B2 (ja) * 1997-09-11 2000-10-03 日本電気株式会社 スペクトル拡散信号のレイク受信方法およびレイク受信装置
DE69822672T2 (de) * 1997-09-15 2005-02-17 Kathrein-Werke Kg Praktisches raum-zeit-funkübertragungsverfahren zur verbesserung der cdma-übertragungskapazität
US6078611A (en) * 1997-09-16 2000-06-20 Motorola, Inc. Rake receiver and finger management method for spread spectrum communication
US6574211B2 (en) * 1997-11-03 2003-06-03 Qualcomm Incorporated Method and apparatus for high rate packet data transmission
US7184426B2 (en) * 2002-12-12 2007-02-27 Qualcomm, Incorporated Method and apparatus for burst pilot for a time division multiplex system
US9118387B2 (en) * 1997-11-03 2015-08-25 Qualcomm Incorporated Pilot reference transmission for a wireless communication system
US5987016A (en) * 1997-11-04 1999-11-16 Motorola, Inc. Method and apparatus for tracking a communication signal in a wireless communication system
US6694154B1 (en) * 1997-11-17 2004-02-17 Ericsson Inc. Method and apparatus for performing beam searching in a radio communication system
SE513656C2 (sv) 1997-11-21 2000-10-16 Ericsson Telefon Ab L M Förfarande och anordning för mottagning av radiosignaler med hjälp av antennlober
US7299071B1 (en) 1997-12-10 2007-11-20 Arraycomm, Llc Downlink broadcasting by sequential transmissions from a communication station having an antenna array
US6222832B1 (en) * 1998-06-01 2001-04-24 Tantivy Communications, Inc. Fast Acquisition of traffic channels for a highly variable data rate reverse link of a CDMA wireless communication system
US7394791B2 (en) 1997-12-17 2008-07-01 Interdigital Technology Corporation Multi-detection of heartbeat to reduce error probability
US9525923B2 (en) 1997-12-17 2016-12-20 Intel Corporation Multi-detection of heartbeat to reduce error probability
US7936728B2 (en) 1997-12-17 2011-05-03 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
KR100250433B1 (ko) 1997-12-26 2000-04-01 서정욱 배열 안테나를 갖는 대역 확산 코드분할 다중접속 시스템을 위한 이차원 복조기의 구조
US6408019B1 (en) 1997-12-29 2002-06-18 Georgia Tech Research Corporation System and method for communication using noise
US6175588B1 (en) 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression using adaptive equalization in a spread spectrum communication system
US6175587B1 (en) 1997-12-30 2001-01-16 Motorola, Inc. Communication device and method for interference suppression in a DS-CDMA system
US6563858B1 (en) 1998-01-16 2003-05-13 Intersil Americas Inc. Method of performing antenna diversity in spread spectrum in wireless local area network
US6603801B1 (en) 1998-01-16 2003-08-05 Intersil Americas Inc. Spread spectrum transceiver for use in wireless local area network and having multipath mitigation
JP3940490B2 (ja) * 1998-03-13 2007-07-04 株式会社東芝 分散アンテナシステム
US20010016504A1 (en) * 1998-04-03 2001-08-23 Henrik Dam Method and system for handling radio signals in a radio base station
EP1619922A3 (de) * 1998-04-24 2006-06-28 TELEFONAKTIEBOLAGET LM ERICSSON (publ) Wahlfreier Zugriff in einem mobilen Telekommunikationssystem
US6615024B1 (en) 1998-05-01 2003-09-02 Arraycomm, Inc. Method and apparatus for determining signatures for calibrating a communication station having an antenna array
US6643275B1 (en) 1998-05-15 2003-11-04 Telefonaktiebolaget Lm Ericsson (Publ) Random access in a mobile telecommunications system
US8134980B2 (en) 1998-06-01 2012-03-13 Ipr Licensing, Inc. Transmittal of heartbeat signal at a lower level than heartbeat request
US7773566B2 (en) * 1998-06-01 2010-08-10 Tantivy Communications, Inc. System and method for maintaining timing of synchronization messages over a reverse link of a CDMA wireless communication system
JP2000036801A (ja) * 1998-07-21 2000-02-02 Nec Corp ダイバーシティ受信機
US6100843A (en) * 1998-09-21 2000-08-08 Tantivy Communications Inc. Adaptive antenna for use in same frequency networks
US6989797B2 (en) * 1998-09-21 2006-01-24 Ipr Licensing, Inc. Adaptive antenna for use in wireless communication systems
US6404386B1 (en) 1998-09-21 2002-06-11 Tantivy Communications, Inc. Adaptive antenna for use in same frequency networks
US6933887B2 (en) * 1998-09-21 2005-08-23 Ipr Licensing, Inc. Method and apparatus for adapting antenna array using received predetermined signal
JP3031352B1 (ja) * 1998-09-29 2000-04-10 日本電気株式会社 受信回路及びこれを有する移動端末
US6128330A (en) 1998-11-24 2000-10-03 Linex Technology, Inc. Efficient shadow reduction antenna system for spread spectrum
KR100301705B1 (ko) 1998-11-26 2002-05-01 오길록 코드분할다중접속방식이동통신시스템의섹터안테나시스템
US6377783B1 (en) * 1998-12-24 2002-04-23 At&T Wireless Services, Inc. Method for combining communication beams in a wireless communication system
US6151328A (en) * 1998-12-31 2000-11-21 Lg Information & Communications Ltd. Apparatus and method for controlling power in code division multiple access system
US6496536B2 (en) * 1999-03-25 2002-12-17 Qualcomm, Incorporated System and method for estimating power
US6600914B2 (en) 1999-05-24 2003-07-29 Arraycomm, Inc. System and method for emergency call channel allocation
US6782036B1 (en) * 1999-05-26 2004-08-24 Board Of Regents, The University Of Texas System Smart antenna multiuser detector
US6141567A (en) 1999-06-07 2000-10-31 Arraycomm, Inc. Apparatus and method for beamforming in a changing-interference environment
US7139592B2 (en) * 1999-06-21 2006-11-21 Arraycomm Llc Null deepening for an adaptive antenna based communication station
KR100358427B1 (ko) * 1999-07-12 2002-10-25 한국전자통신연구원 씨디엠에이 적응배열안테나 시스템을 위한 효율적 구조의 복조기
CN1118200C (zh) * 1999-08-10 2003-08-13 信息产业部电信科学技术研究院 基于智能天线和干扰抵销的基带处理方法
CN1118201C (zh) * 1999-08-11 2003-08-13 信息产业部电信科学技术研究院 一种基于智能天线的干扰抵销方法
US6195064B1 (en) * 1999-08-23 2001-02-27 Lucent Technologies Inc. Communication employing triply-polarized transmissions
US6317098B1 (en) * 1999-08-23 2001-11-13 Lucent Technologies Inc. Communication employing triply-polarized transmissions
US8064409B1 (en) 1999-08-25 2011-11-22 Qualcomm Incorporated Method and apparatus using a multi-carrier forward link in a wireless communication system
US6463070B1 (en) * 1999-08-27 2002-10-08 Tachyon, Inc. System and method for clock correlated data flow in a multi-processor communication system
US6778507B1 (en) * 1999-09-01 2004-08-17 Qualcomm Incorporated Method and apparatus for beamforming in a wireless communication system
US6320853B1 (en) * 1999-09-27 2001-11-20 Metawave Communications Corporation Method of phase recovery in cellular communication systems
US6208842B1 (en) * 1999-09-30 2001-03-27 Motorola Inc. Method and apparatus for estimating a channel parameter
US6621804B1 (en) 1999-10-07 2003-09-16 Qualcomm Incorporated Method and apparatus for predicting favored supplemental channel transmission slots using transmission power measurements of a fundamental channel
US6823174B1 (en) 1999-10-11 2004-11-23 Ditrans Ip, Inc. Digital modular adaptive antenna and method
US20050088338A1 (en) * 1999-10-11 2005-04-28 Masenten Wesley K. Digital modular adaptive antenna and method
US6985466B1 (en) 1999-11-09 2006-01-10 Arraycomm, Inc. Downlink signal processing in CDMA systems utilizing arrays of antennae
US6975666B2 (en) 1999-12-23 2005-12-13 Institut National De La Recherche Scientifique Interference suppression in CDMA systems
JP2001203620A (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
WO2001058044A2 (en) 2000-02-07 2001-08-09 Tantivy Communications, Inc. Minimal maintenance link to support synchronization
JP3566895B2 (ja) * 2000-02-15 2004-09-15 株式会社エヌ・ティ・ティ・ドコモ 先頭波位置検出装置、受信装置、先頭位置検出装置、先頭波位置検出方法および先頭位置検出方法
US7164725B2 (en) 2000-03-10 2007-01-16 Motorola, Inc. Method and apparatus for antenna array beamforming
JP2001267990A (ja) 2000-03-21 2001-09-28 Matsushita Electric Ind Co Ltd アレイアンテナ基地局装置
US6952454B1 (en) * 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
US6956841B1 (en) * 2000-05-24 2005-10-18 Nokia Networks Oy Receiver and method of receiving a desired signal
JP3424659B2 (ja) * 2000-06-02 2003-07-07 日本電気株式会社 マルチビーム受信装置
JP3699883B2 (ja) * 2000-06-29 2005-09-28 松下電器産業株式会社 無線基地局装置及び無線通信方法
EP1619847A3 (de) 2000-07-12 2006-02-08 Qualcomm, Incorporated Verfahren und Vorrichtung zur Erzeugung von Pilotsignalen in einem MIMO-System
US20050164664A1 (en) * 2000-07-21 2005-07-28 Difonzo Daniel F. Dynamically reconfigurable wireless networks (DRWiN) and methods for operating such networks
US7324782B1 (en) * 2000-08-14 2008-01-29 Lucent Technologies Inc. Location based adaptive antenna scheme for wireless data applications
US6795409B1 (en) 2000-09-29 2004-09-21 Arraycomm, Inc. Cooperative polling in a wireless data communication system having smart antenna processing
US6982968B1 (en) 2000-09-29 2006-01-03 Arraycomm, Inc. Non-directional transmitting from a wireless data base station having a smart antenna system
US7062294B1 (en) 2000-09-29 2006-06-13 Arraycomm, Llc. Downlink transmission in a wireless data communication system having a base station with a smart antenna system
US6973098B1 (en) * 2000-10-25 2005-12-06 Qualcomm, Incorporated Method and apparatus for determining a data rate in a high rate packet data wireless communications system
US7068683B1 (en) 2000-10-25 2006-06-27 Qualcomm, Incorporated Method and apparatus for high rate packet data and low delay data transmissions
US8155096B1 (en) 2000-12-01 2012-04-10 Ipr Licensing Inc. Antenna control system and method
US7230978B2 (en) 2000-12-29 2007-06-12 Infineon Technologies Ag Channel CODEC processor configurable for multiple wireless communications standards
GB2371716A (en) * 2001-01-29 2002-07-31 Ubinetics Ltd A radio receiver and method of searching or acquiring signals
GB0102316D0 (en) * 2001-01-30 2001-03-14 Koninkl Philips Electronics Nv Radio communication system
US6954448B2 (en) 2001-02-01 2005-10-11 Ipr Licensing, Inc. Alternate channel for carrying selected message types
US7551663B1 (en) 2001-02-01 2009-06-23 Ipr Licensing, Inc. Use of correlation combination to achieve channel detection
JP2002237766A (ja) * 2001-02-08 2002-08-23 Nec Corp 適応アンテナ受信装置
US6996056B2 (en) * 2001-05-31 2006-02-07 Nortel Networks Limited Method and apparatus for orthogonal code management in CDMA systems using smart antenna technology
ES2626289T3 (es) 2001-06-13 2017-07-24 Intel Corporation Método y aparatos para la transmisión de señal de latido a un nivel más bajo que la solicitud de latido
JP3948249B2 (ja) * 2001-10-30 2007-07-25 日本電気株式会社 類似性判定装置及び類似性判定方法並びにプログラム
EP1442498B1 (de) * 2001-11-09 2006-08-09 EMS Technologies, Inc. Strahlformer für eine mehrkeulenempfangsantenne
US6618010B2 (en) 2001-11-14 2003-09-09 United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Passive tracking system and method
US7236515B1 (en) * 2001-11-19 2007-06-26 Sprint Spectrum L.P. Forward link time delay for distributed antenna system
GB2384651B (en) 2002-01-28 2004-03-24 Toshiba Res Europ Ltd Signal selection systems
US6785559B1 (en) 2002-06-28 2004-08-31 Interdigital Technology Corporation System for efficiently covering a sectorized cell utilizing beam forming and sweeping
US7043274B2 (en) * 2002-06-28 2006-05-09 Interdigital Technology Corporation System for efficiently providing coverage of a sectorized cell for common and dedicated channels utilizing beam forming and sweeping
GB0218906D0 (en) * 2002-08-14 2002-09-25 Univ Surrey A wireless communication system and a method of operating a wireless communication system
US7031336B2 (en) * 2002-08-26 2006-04-18 Colubris Networks, Inc. Space-time-power scheduling for wireless networks
EP1394896A1 (de) * 2002-08-29 2004-03-03 Siemens Aktiengesellschaft Ansteuerung einer Antennenanordnung, deren Umfeld in Sektoren unterteilt ist, um die Signalqualität einer Empfangstation an der Sektorengrenze zu verbessern
KR100554922B1 (ko) * 2002-10-18 2006-03-10 엘지전자 주식회사 다중 빔 기반의 다중경로 탐색장치 및 방법
US7099623B2 (en) * 2002-12-20 2006-08-29 Qualcomm Incorporated Managing searcher and tracker resources in a wireless communication device
KR100546357B1 (ko) * 2003-07-30 2006-01-26 삼성전자주식회사 공간 다이버시티 및 빔형성을 이용한 디지털 ｔｖ신호를수신하는 방법 및 장치
WO2005057720A2 (en) * 2003-12-02 2005-06-23 Motia, Inc. System and method for providing a smart antenna
WO2005109679A1 (en) 2004-05-07 2005-11-17 Samsung Electronics Co., Ltd. Apparatus and method for encoding/decoding space time block code in a mobile communication system using multiple input multiple output scheme
US7660368B2 (en) 2005-01-11 2010-02-09 Qualcomm Incorporated Bit log likelihood ratio evaluation
CN101945080B (zh) 2005-01-11 2012-11-14 高通股份有限公司 用于在一分层调制系统中解码数据的方法和装置
US7180447B1 (en) * 2005-04-29 2007-02-20 Lockhead Martin Corporation Shared phased array beamformer
US7511666B2 (en) 2005-04-29 2009-03-31 Lockheed Martin Corporation Shared phased array cluster beamformer
JP4808013B2 (ja) * 2005-12-15 2011-11-02 富士通株式会社 動的セル再構成方法及び，これを適用するセルラーネットワークシステム
US8920343B2 (en) 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
EP3131236B1 (de) * 2006-05-09 2020-05-06 Panasonic Intellectual Property Management Co., Ltd. Verfahren und einrichtung zur unterdrückung von störungen
US20080160992A1 (en) * 2006-06-30 2008-07-03 Qualcomm Incorporated Handset transmit antenna diversity in mobile satellite systems
US8224387B2 (en) * 2006-12-20 2012-07-17 Astrium Limited Beamforming system and method
GB0625363D0 (en) * 2006-12-20 2007-01-31 Astrium Ltd Beamforming system and method
AU2008242031C1 (en) * 2007-03-19 2011-12-15 Godo Kaisha Ip Bridge 1 Sequence report method and sequence report device
WO2009083680A1 (fr) * 2008-01-03 2009-07-09 France Telecom Communication par voie de retour d'un terminal vers un emetteur pour reduire notamment une interference entre faisceaux issus de l'emetteur
GB0820902D0 (en) * 2008-11-14 2008-12-24 Astrium Ltd Active interference suppression in a satellite communication system
US9026124B2 (en) 2009-03-31 2015-05-05 Futurewei Technologies, Inc. System and method for interference mitigation in a wireless communications system
US8811200B2 (en) * 2009-09-22 2014-08-19 Qualcomm Incorporated Physical layer metrics to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
KR101329059B1 (ko) * 2009-11-12 2013-11-14 한국전자통신연구원 무선 센서 네트워크에서 패킷 데이터의 전송 장치 및 방법
US8306483B2 (en) * 2009-12-24 2012-11-06 Intel Corporation Method and system for improving wireless link robustness using spatial diversity
KR101820733B1 (ko) * 2011-08-24 2018-01-22 삼성전자주식회사 무선통신시스템에서 빔 선택 장치 및 방법
US9472845B2 (en) * 2011-12-15 2016-10-18 Intel Corporation Multiband 40 degree split beam antenna for wireless network
KR102009743B1 (ko) 2012-06-29 2019-10-21 삼성전자주식회사 빔포밍 기반 통신 시스템에서 신호를 전송하는 방법 및 장치
US10228443B2 (en) * 2012-12-02 2019-03-12 Khalifa University of Science and Technology Method and system for measuring direction of arrival of wireless signal using circular array displacement
EP3254383A1 (de) * 2015-02-02 2017-12-13 Telefonaktiebolaget LM Ericsson (publ) Verwendung einer antennenstrahlinformationen
EP3054368A1 (de) * 2015-02-04 2016-08-10 Paris Sciences et Lettres - Quartier Latin Digitaldatenmischvorrichtung und digitaldatenverarbeitungssystem
US10051493B2 (en) * 2016-02-04 2018-08-14 Ethertronics, Inc. Reconfigurable dynamic mesh network
US10181891B2 (en) 2016-05-26 2019-01-15 Qualcomm Incorporated System and method for beam switching and reporting
US10651899B2 (en) 2016-05-26 2020-05-12 Qualcomm Incorporated System and method for beam switching and reporting
US10541741B2 (en) 2016-05-26 2020-01-21 Qualcomm Incorporated System and method for beam switching and reporting
US10498406B2 (en) 2016-05-26 2019-12-03 Qualcomm Incorporated System and method for beam switching and reporting
RU2649664C1 (ru) * 2017-02-06 2018-04-04 Сергей Прокофьевич Присяжнюк Активная распределённая антенная система для случайного множественного радиодоступа диапазона ДКМВ
EA033000B1 (ru) * 2017-09-19 2019-08-30 Открытое акционерное общество "Межгосударственная Корпорация Развития" Способ автоматической ориентации антенн
RU2701460C1 (ru) * 2018-06-05 2019-09-26 Геннадий Петрович Слукин Способ формирования приемных парциальных лучей для параллельного обзора пространства
EP3772679A1 (de) 2019-08-09 2021-02-10 LightOn SAS Verfahren zur stabilisierung interferometrischer systeme und interferometrische systeme mit umsetzung derartiger verfahren
US11574178B2 (en) 2020-03-11 2023-02-07 Lighton Method and system for machine learning using optical data
US11137289B1 (en) 2020-03-11 2021-10-05 Lighton Method and system for machine learning using optical data

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101836A (en) * 1977-05-02 1978-07-18 Motorola, Inc. Sectored antenna receiving system
US4255791A (en) * 1978-12-04 1981-03-10 Harris Corporation Signal processing system
US4361891A (en) * 1980-12-22 1982-11-30 General Electric Company Spread spectrum signal estimator
US4435840A (en) * 1981-06-22 1984-03-06 Nippon Electric Co., Ltd. Radio mobile communication system wherein probability of loss of calls is reduced without a surplus of base station equipment
US4485486A (en) * 1982-08-03 1984-11-27 Motorola, Inc. Method and apparatus for assigning duplex radio channels and scanning duplex radio channels assigned to mobile and portable radio telephones in a cellular radiotelephone communications system
US4549311A (en) * 1982-08-03 1985-10-22 Motorola, Inc. Method and apparatus for measuring the strength of a radio signal frequency
CA1238713A (en) * 1984-06-04 1988-06-28 Alliedsignal Inc. Antenna feed network
US4704734A (en) * 1986-02-18 1987-11-03 Motorola, Inc. Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems
US4726050A (en) * 1986-02-18 1988-02-16 Motorola, Inc. Scanning receiver allocation method and apparatus for cellular radiotelephone systems
US4750036A (en) * 1986-05-14 1988-06-07 Radio Telcom & Technology, Inc. Interactive television and data transmission system
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US5193109A (en) * 1989-02-06 1993-03-09 Pactel Corporation Zoned microcell with sector scanning for cellular telephone system
US5048116A (en) * 1989-05-24 1991-09-10 Motorola, Inc. Signal routing system
US5021801A (en) * 1989-09-05 1991-06-04 Motorola, Inc. Antenna switching system
US5187806A (en) * 1990-02-16 1993-02-16 Johnson Edward R Apparatus and method for expanding cellular system capacity
GB2242805B (en) * 1990-04-06 1994-08-03 Stc Plc Handover techniques
US5142199A (en) * 1990-11-29 1992-08-25 Novitas, Inc. Energy efficient infrared light switch and method of making same
US5351269A (en) * 1990-12-05 1994-09-27 Scs Mobilecom, Inc. Overlaying spread spectrum CDMA personal communications system
US5276907A (en) * 1991-01-07 1994-01-04 Motorola Inc. Method and apparatus for dynamic distribution of a communication channel load in a cellular radio communication system
US5241685A (en) * 1991-03-15 1993-08-31 Telefonaktiebolaget L M Ericsson Load sharing control for a mobile cellular radio system
US5343173A (en) * 1991-06-28 1994-08-30 Mesc Electronic Systems, Inc. Phase shifting network and antenna and method
KR960012086B1 (ko) * 1991-11-11 1996-09-12 모토로라 인코포레이티드 셀룰러 통신 시스템의 무선 통신 링크에서의 간섭을 감소시키기 위한 방법 및 장치
US5515378A (en) * 1991-12-12 1996-05-07 Arraycomm, Inc. Spatial division multiple access wireless communication systems
JP2674404B2 (ja) * 1991-12-13 1997-11-12 日本電気株式会社 基地局カバレッジエリア制御方式
GB2271246B (en) * 1992-10-03 1997-02-12 Motorola Ltd Sectorized cellular radio base station antenna
US5414728A (en) * 1993-11-01 1995-05-09 Qualcomm Incorporated Method and apparatus for bifurcating signal transmission over in-phase and quadrature phase spread spectrum communication channels
US5471497A (en) * 1993-11-01 1995-11-28 Zehavi; Ephraim Method and apparatus for variable rate signal transmission in a spread spectrum communication system using coset coding
US5422908A (en) * 1993-11-22 1995-06-06 Interdigital Technology Corp. Phased array spread spectrum system and method

Also Published As

Publication number Publication date
KR100372383B1 (ko) 2003-05-17
CN1151228A (zh) 1997-06-04
JPH10502504A (ja) 1998-03-03
HK1019022A1 (en) 2000-01-14
DE69531827T2 (de) 2004-07-01
AU2908695A (en) 1996-01-19
WO1996000466A1 (en) 1996-01-04
ES2210299T3 (es) 2004-07-01
CA2193394C (en) 2006-01-24
DE69531827D1 (de) 2003-10-30
FI115352B (fi) 2005-04-15
AU685966B2 (en) 1998-01-29
CA2193394A1 (en) 1996-01-04
FI965180A0 (fi) 1996-12-20
BR9508102A (pt) 1997-08-12
FI965180A (fi) 1997-02-20
RU2142202C1 (ru) 1999-11-27
PT767994E (pt) 2004-02-27
EP0767994A1 (de) 1997-04-16
US5621752A (en) 1997-04-15
EP0767994B1 (de) 2003-09-24
MX9606634A (es) 1997-12-31
CN1082286C (zh) 2002-04-03
JP3150976B2 (ja) 2001-03-26
DK0767994T3 (da) 2003-11-24

Similar Documents

Publication Publication Date Title
DE69531827D1 (de) Adaptives sektorisiertes spreizspektrum ubertragungssystem
EP0667068B1 (de) Dual verteiltes Antennensystem
KR100547748B1 (ko) 이동체에서 적응형 안테나 어레이의 성능을 개선하는시스템 및 방법
US5602834A (en) Linear coverage area antenna system for a CDMA communication system
EP1523110B1 (de) Mobilsstation in einem zelullaren Kommunikationsnetzwerk
CA2090513C (en) Method and apparatus for providing antenna diversity
TW358268B (en) Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radiocommunications system
AU695327B2 (en) Diversity combining for antennas
CA2247618A1 (en) Multiple antenna communication system and method thereof
AU1705799A (en) Radio transmission from a communication station with an antenna array to providea desirable radiation pattern
EP0361299A3 (de) Digitales Funkübertragungssystem für ein aus Zellen aufgebautes Netz unter Verwendung der Bandspreiztechnik
JPH04506294A (ja) 統合された蜂巣状通信装置
AU5508298A (en) Method & apparatus to provide cellular telephone service to a macro-cell & pico-cell within a building using shared equipment
JPH08507670A (ja) Ｃｄｍａセルラー無線システムにおいてパワー制御メッセージを送受信する方法
CA2183116A1 (en) Method and Apparatus for Providing Time Diversity
AU1872997A (en) Method and apparatus for directional radio communication
US5574989A (en) Time division multiple access cellular communication system and method employing base station diversity transmission
CA2412018A1 (en) Apparatus and method using smart antenna in fdd wireless communication system
EA000972B1 (ru) Система мобильной связи для радиокоммуникационной системы с разнесенным приемом заданных сигналов, переданных по линии связи "земля - искусственный спутник земли"
WO1999027717A3 (de) Verfahren zum endgerätseitigen empfangen und verarbeiten von von einer zentrale an eine vielzahl von nicht definierten teilnehmer n ausgesendeten informationen und endgerät zum durchführen des verfahrens
GB2336506A (en) Method of Reducing Co-channel Interference
CA2147635C (en) Dual distributed antenna system
Adve ECE1515S: Smart Antennas

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0767994

Country of ref document: EP

REN Ceased due to non-payment of the annual fee