[go: up one dir, main page]

TW200507671A - Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas - Google Patents

Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas

Info

Publication number
TW200507671A
TW200507671A TW093110426A TW93110426A TW200507671A TW 200507671 A TW200507671 A TW 200507671A TW 093110426 A TW093110426 A TW 093110426A TW 93110426 A TW93110426 A TW 93110426A TW 200507671 A TW200507671 A TW 200507671A
Authority
TW
Taiwan
Prior art keywords
base station
mobile
mobile unit
wireless communication
handover
Prior art date
Application number
TW093110426A
Other languages
English (en)
Inventor
Christopher Cave
Marian Rudolf
Juan Carlos Zuniga
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200507671A publication Critical patent/TW200507671A/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/20—Performing reselection for specific purposes for optimising the interference level
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/083—Reselecting an access point wherein at least one of the access points is a moving node
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/20—Selecting an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Telephone Function (AREA)
TW093110426A 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas TW200507671A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US41457102P 2002-09-27 2002-09-27

Publications (1)

Publication Number Publication Date
TW200507671A true TW200507671A (en) 2005-02-16

Family

ID=32043393

Family Applications (3)

Application Number Title Priority Date Filing Date
TW093110426A TW200507671A (en) 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas
TW092126029A TWI240581B (en) 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas
TW095133552A TW200729983A (en) 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas

Family Applications After (2)

Application Number Title Priority Date Filing Date
TW092126029A TWI240581B (en) 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas
TW095133552A TW200729983A (en) 2002-09-27 2003-09-19 Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas

Country Status (12)

Country Link
US (1) US20040063430A1 (zh)
EP (1) EP1547279B1 (zh)
JP (1) JP4445863B2 (zh)
KR (2) KR20050057569A (zh)
CN (1) CN1685636A (zh)
AT (1) ATE413025T1 (zh)
AU (1) AU2003270776A1 (zh)
CA (1) CA2500349A1 (zh)
DE (1) DE60324444D1 (zh)
NO (1) NO20051603L (zh)
TW (3) TW200507671A (zh)
WO (1) WO2004030249A2 (zh)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4059088B2 (ja) * 2003-01-28 2008-03-12 日本電気株式会社 移動体無線通信システム、及びその無線パラメータ制御方法
US7203520B2 (en) 2003-09-30 2007-04-10 Nortel Networks Limited Beam wobbling for increased downlink coverage and capacity
US7551680B2 (en) * 2004-10-28 2009-06-23 Interdigital Technology Corporation Wireless communication method and apparatus for forming, steering and selectively receiving a sufficient number of usable beam paths in both azimuth and elevation
EP1705939A1 (en) * 2005-03-24 2006-09-27 Siemens Aktiengesellschaft Fast synchronised handover method and system
US7603141B2 (en) * 2005-06-02 2009-10-13 Qualcomm, Inc. Multi-antenna station with distributed antennas
US8254913B2 (en) 2005-08-18 2012-08-28 Smartsky Networks LLC Terrestrial based high speed data communications mesh network
US9521597B2 (en) * 2006-03-13 2016-12-13 Telefonaktiebolaget Lm Ericsson (Publ) System and method of supporting softer handover in a cell using adaptive antenna in enabling narrow beam operation
US8787841B2 (en) 2006-06-27 2014-07-22 Qualcomm Incorporated Method and system for providing beamforming feedback in wireless communication systems
JP4806307B2 (ja) * 2006-07-28 2011-11-02 京セラ株式会社 無線通信方法、無線基地局、無線通信端末及び基地局制御装置
US8238835B2 (en) 2006-12-07 2012-08-07 Mitsubishi Electric Corporation Wireless communication system, wireless terminal station, wireless base station, and wireless communication method
JP4998899B2 (ja) * 2007-02-05 2012-08-15 日本電気株式会社 基地局間ハンドオーバー方法、通信制御方法、基地局、および移動局
US8041333B2 (en) * 2007-06-14 2011-10-18 Broadcom Corporation Method and system for 60 GHz antenna adaptation and user coordination based on base station beacons
TWI367658B (en) * 2007-07-04 2012-07-01 Realtek Semiconductor Corp A receiving device, a signal processing system and a signal receiving method
EP2203986A4 (en) * 2007-10-04 2013-05-22 Apple Inc MAKING SPATIAL RAYS IN A CELL SEGMENT
KR101361829B1 (ko) * 2007-10-24 2014-02-12 삼성전자주식회사 동적 빔포밍 방식에 기반한 핸드오버 장치 및 방법
KR100932069B1 (ko) * 2007-12-17 2009-12-15 한국전자통신연구원 무선통신기기의 거리 기반 빔 조절 장치 및 방법
KR100943531B1 (ko) 2007-12-20 2010-02-22 성균관대학교산학협력단 무선 광통신 장치 및 방법
KR100995045B1 (ko) * 2007-12-31 2010-11-19 엘지전자 주식회사 협동 다중 입출력 통신 시스템에서, 프리코딩된 신호를송신하는 방법
JP2011514723A (ja) 2008-02-01 2011-05-06 リサーチ イン モーション リミテッド 不連続受信に関連したアップリンクタイミング同期のためのシステムおよび方法
KR20090092431A (ko) * 2008-02-27 2009-09-01 삼성전자주식회사 인지무선시스템에서 씨비피 전송을 위한 장치 및 방법
US8121045B2 (en) 2008-03-21 2012-02-21 Research In Motion Limited Channel quality indicator transmission timing with discontinuous reception
US8199725B2 (en) * 2008-03-28 2012-06-12 Research In Motion Limited Rank indicator transmission during discontinuous reception
US8179828B2 (en) 2008-03-28 2012-05-15 Research In Motion Limited Precoding matrix index feedback interaction with discontinuous reception
KR20100005649A (ko) 2008-07-07 2010-01-15 엘지전자 주식회사 멀티 코드북을 이용한 프리코딩 방법
EP2353249A1 (en) * 2008-10-20 2011-08-10 Nokia Siemens Networks Oy Sounding channel apparatus and method
EP2381627B1 (en) * 2009-01-08 2018-09-19 Mitsubishi Electric Corporation Data transmission device
EP2517501A4 (en) * 2010-02-03 2013-03-06 Huawei Tech Co Ltd SYSTEM AND METHOD FOR HANDLING A RE-SELECTION OF AN ACCESS NETWORK
CN103052124A (zh) * 2011-10-14 2013-04-17 西门子公司 一种客户端、接入点、通信系统和切换方法
WO2013110293A1 (en) * 2012-01-26 2013-08-01 Telefonaktiebolaget L M Ericsson (Publ) Providing an ims voice session via a packet switch network and an emergency voice session via a circuit switch network
KR102071372B1 (ko) * 2013-09-16 2020-01-30 삼성전자 주식회사 무선 통신 시스템에서 빔 포밍을 고려한 drx 제어 방법 및 장치
WO2015072648A1 (ko) * 2013-11-15 2015-05-21 엘지전자 주식회사 복수의 통신시스템이 연동되는 통신 환경에서 신호를 전송 및 수신하는 방법과 이를 위한 장치
WO2015093866A1 (ko) * 2013-12-19 2015-06-25 엘지전자 주식회사 다중 안테나 지원 무선 통신 시스템에서 참조 신호 전송을 지원하는 방법 및 이를 위한 장치
US9712339B2 (en) * 2014-04-24 2017-07-18 Infineon Technologies Ag Bus architecture and access method for plastic waveguide
US9648399B2 (en) 2014-05-08 2017-05-09 Infineon Technologies Ag System having plastic waveguides
JP5945080B2 (ja) 2014-06-19 2016-07-05 三菱電機株式会社 基地局、制御局およびハンドオーバ方法
RU2668395C9 (ru) * 2014-07-11 2018-10-29 Хуавей Текнолоджиз Ко., Лтд. Сетевое устройство, устройство пользователя и способы трансляции сигнала доступа
US9794944B2 (en) * 2015-03-13 2017-10-17 Qualcomm Incorporated System and method for mobility tracking of user equipment
JP6530720B2 (ja) * 2016-01-19 2019-06-12 パナソニック株式会社 無線通信装置、制御装置、および制御方法
JP6565035B2 (ja) * 2016-01-19 2019-08-28 パナソニック株式会社 無線通信装置、制御装置、および制御方法
CN106207497B (zh) * 2016-08-30 2024-01-05 广东通宇通讯股份有限公司 一种多波束天线系统及其构造波束的方法
CN109964147B (zh) * 2016-11-22 2023-12-05 索尼移动通讯有限公司 雷达辅助跟踪移动设备以改善高频通信中的通信链路
JP7003497B2 (ja) * 2017-09-01 2022-01-20 日本電気株式会社 第１の基地局
DE102018216389B3 (de) * 2018-09-26 2019-11-07 Audi Ag Betriebsverfahren für ein Antennenarray eines Fahrzeugs

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4723266A (en) * 1987-01-21 1988-02-02 General Electric Company Cellular communication system sharing control channels between cells to reduce number of control channels
US5095535A (en) * 1988-07-28 1992-03-10 Motorola, Inc. High bit rate communication system for overcoming multipath
US5054035A (en) * 1989-12-21 1991-10-01 At&T Bell Laboratories Digital signal quality evaluation circuit using synchronization patterns
US5878329A (en) * 1990-03-19 1999-03-02 Celsat America, Inc. Power control of an integrated cellular communications system
US5267261A (en) * 1992-03-05 1993-11-30 Qualcomm Incorporated Mobile station assisted soft handoff in a CDMA cellular communications system
US5327575A (en) * 1992-03-23 1994-07-05 Motorola, Inc. Directional handover control in digital mobile radio systems employing MAHO
US5396541A (en) * 1992-10-23 1995-03-07 At&T Corp. Call handoff in a wireless telephone system
US5375140A (en) * 1992-11-24 1994-12-20 Stanford Telecommunications, Inc. Wireless direct sequence spread spectrum digital cellular telephone system
TW351886B (en) * 1993-09-27 1999-02-01 Ericsson Telefon Ab L M Using two classes of channels with different capacity
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US5634192A (en) * 1995-02-23 1997-05-27 Northern Telecom Limited Mobile-assisted handoff technique
FI105515B (fi) * 1995-05-24 2000-08-31 Nokia Networks Oy Menetelmä kanavanvaihdon nopeuttamiseksi sekä solukkoradiojärjestelmä
US5732358A (en) * 1996-07-08 1998-03-24 Motorola, Inc. Method for selecting an optimal base transmitter in a radio communication system
GB2317786B (en) * 1996-09-25 2001-05-30 Motorola Ltd Communication system with a deamformed control channel and method of system control
US6512481B1 (en) * 1996-10-10 2003-01-28 Teratech Corporation Communication system using geographic position data
US6353601B1 (en) * 1997-03-05 2002-03-05 Nokia Telecommunications Oy Method for selecting a signal, and a cellular radio system
US5867478A (en) * 1997-06-20 1999-02-02 Motorola, Inc. Synchronous coherent orthogonal frequency division multiplexing system, method, software and device
BR9812816A (pt) * 1997-09-15 2000-08-08 Adaptive Telecom Inc Processos para comunicação sem fio, e para eficientemente determinar na estação base um canal espacial da unidade móvel em um sistema de comunicação sem fio, e, estação base de cdma
US6052064A (en) * 1997-10-30 2000-04-18 Motorola, Inc. Method and apparatus in a wireless messaging system for dynamic creation of directed simulcast zones
US6580910B1 (en) * 1997-12-19 2003-06-17 Telefonaktiebolaget L M Ericsson (Publ) Method and system for improving handoffs in cellular mobile radio systems
JPH11215538A (ja) * 1998-01-26 1999-08-06 Matsushita Electric Ind Co Ltd 移動局装置及び基地局装置、並びに移動通信システム
US6014565A (en) * 1998-05-29 2000-01-11 Motorola, Inc. Method for service planning in a radio telephone system
US6240290B1 (en) * 1999-03-04 2001-05-29 Harris Corporation Base station hand-off mechanism for cellular communication system
US6445917B1 (en) * 1999-05-19 2002-09-03 Telefonaktiebolaget Lm Ericsson (Publ) Mobile station measurements with event-based reporting
US6834192B1 (en) * 2000-07-03 2004-12-21 Nokia Corporation Method, and associated apparatus, for effectuating handover of communications in a bluetooth, or other, radio communication system
JP3836667B2 (ja) * 2000-10-02 2006-10-25 株式会社東芝 移動通信端末装置とその制御回路、ハンドオフ制御方法及びハンドオフ制御プログラム
US6708031B2 (en) * 2000-12-05 2004-03-16 Nokia Corporation Session or handoff methods in wireless networks
WO2002089356A1 (en) * 2001-05-02 2002-11-07 Strix Systems, Inc. Connection initiation in wireless networks including load balancing
TW595857U (en) * 2001-11-29 2004-06-21 Us 091219345
US8295249B2 (en) * 2002-04-22 2012-10-23 Alcatel Lucent Block size detection for MPSK signaling

Also Published As

Publication number Publication date
WO2004030249A2 (en) 2004-04-08
NO20051603L (no) 2005-06-15
KR20050057569A (ko) 2005-06-16
DE60324444D1 (de) 2008-12-11
AU2003270776A8 (en) 2004-04-19
ATE413025T1 (de) 2008-11-15
TW200729983A (en) 2007-08-01
EP1547279A2 (en) 2005-06-29
CN1685636A (zh) 2005-10-19
EP1547279B1 (en) 2008-10-29
JP4445863B2 (ja) 2010-04-07
KR20050098973A (ko) 2005-10-12
TW200406130A (en) 2004-04-16
EP1547279A4 (en) 2005-11-02
US20040063430A1 (en) 2004-04-01
CA2500349A1 (en) 2004-04-08
WO2004030249A3 (en) 2004-07-08
AU2003270776A1 (en) 2004-04-19
TWI240581B (en) 2005-09-21
NO20051603D0 (no) 2005-03-30
JP2006500873A (ja) 2006-01-05

Similar Documents

Publication Publication Date Title
TW200507671A (en) Mobile communications system and method for providing mobile unit handover in wireless communication systems that employ beamforming antennas
WO2001063776A3 (en) Transmitting beam forming in smart antenna array systems
SG127744A1 (en) Mobile station, base station, communications system, and communication method
WO2004054153A3 (en) Mobile communications system and method for providing common channel coverage using beamforming antennas
CA2367998A1 (en) Wireless telecommunication system, base station thereof and beamforming telecommunications method
AU2003236807A1 (en) Method for transmitting information in a mimo readio communication system and radio communication system
MY126128A (en) Rf signal repeater, mobile unit position determination system using the rf signal repeater, and method of communication therefor
WO2001035537A3 (en) Adaptive beam-time coding method and apparatus
FI20010079A7 (fi) Paikannusmenetelmä ja radiojärjestelmä
GB0807773D0 (en) Radio communication system, and sending power control method therefor
AU2003268496A1 (en) Vertical dynamic beam-forming
TW200614709A (en) Implementing a smart antenna in a wireless local area network
AU2003279666A1 (en) Using beamforming and closed loop transmit diversity in a multi-beam antenna system
WO2002082830A3 (en) Mobile network for remote service areas using mobile stations
AU2001278373A1 (en) Beam forming method using weighting factors that are periodically renewed
CA2433391A1 (en) Communication system for mobile users using adaptive antenna
DK1421566T3 (da) Fremgangsmåde og indretning til sporing og lokalisering af en bevægelig genstand
RU2012148000A (ru) Базовая радиостанция и мобильная станция
WO2003075032A3 (en) Determining geographical positioning of a mobile station
WO2002041652A3 (en) Method and apparatus for using position location to direct narrow beam antennas
AU2002238124A1 (en) Method and apparatus for tracking signals in a wireless communication system
EP1359681A3 (en) Mobile communications device, communications system, and communications method
WO2004034593A3 (en) Uplink power control using loopback communications carriers
BRPI0410152A (pt) estação móvel, sistema de comunicação de rádio, e, método de operar um sistema de comunicação
WO2008078391A1 (ja) 通信装置および通信方法