ZA200107556B - Wireless telecommunication system, base station thereof and beamforming telecommunications method. - Google Patents

Wireless telecommunication system, base station thereof and beamforming telecommunications method. Download PDF

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Publication number
ZA200107556B
ZA200107556B ZA200107556A ZA200107556A ZA200107556B ZA 200107556 B ZA200107556 B ZA 200107556B ZA 200107556 A ZA200107556 A ZA 200107556A ZA 200107556 A ZA200107556 A ZA 200107556A ZA 200107556 B ZA200107556 B ZA 200107556B
Authority
ZA
South Africa
Prior art keywords
mobile stations
antenna
mobile
base station
coefficients
Prior art date
Application number
ZA200107556A
Other languages
English (en)
Inventor
Riaz Esmailzadeh
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of ZA200107556B publication Critical patent/ZA200107556B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • 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
    • 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
    • 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
    • H04B7/0851—Joint weighting using training sequences or error signal
    • 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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ZA200107556A 1999-03-16 2001-09-13 Wireless telecommunication system, base station thereof and beamforming telecommunications method. ZA200107556B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07013099A JP3987229B2 (ja) 1999-03-16 1999-03-16 無線通信システム及びその基地局並びにその通信方法

Publications (1)

Publication Number Publication Date
ZA200107556B true ZA200107556B (en) 2002-09-13

Family

ID=13422684

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200107556A ZA200107556B (en) 1999-03-16 2001-09-13 Wireless telecommunication system, base station thereof and beamforming telecommunications method.

Country Status (14)

Country Link
US (1) US7805167B1 (enExample)
EP (1) EP1163740B1 (enExample)
JP (1) JP3987229B2 (enExample)
KR (1) KR100635415B1 (enExample)
CN (1) CN1143455C (enExample)
AR (1) AR022916A1 (enExample)
AT (1) ATE328404T1 (enExample)
AU (1) AU2943500A (enExample)
BR (1) BR0009028A (enExample)
CA (1) CA2367998C (enExample)
DE (1) DE60028355T2 (enExample)
TW (1) TW490984B (enExample)
WO (1) WO2000055986A1 (enExample)
ZA (1) ZA200107556B (enExample)

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KR100525390B1 (ko) * 2001-06-05 2005-11-02 엘지전자 주식회사 공통 채널을 위한 빔 형성 방법
US20030161410A1 (en) 2002-02-26 2003-08-28 Martin Smith Radio communications device with adaptive combination
US6785520B2 (en) 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
CN100370705C (zh) * 2004-06-03 2008-02-20 大唐移动通信设备有限公司 多天线系统下行信道发射功率的配置方法
KR100651532B1 (ko) 2004-08-14 2006-11-29 삼성전자주식회사 무선랜 연동을 위한 이동 통신 네트워크에서의 무선랜 정보의 전송 방법 및 장치
JP4654663B2 (ja) * 2004-11-02 2011-03-23 日本電気株式会社 無線基地局、移動通信システム及びブロードキャスト情報転送方法
JP2006287755A (ja) 2005-04-01 2006-10-19 Ntt Docomo Inc 上りリンクチャネル用の受信装置、受信方法、送信装置及び送信方法
JP4732116B2 (ja) * 2005-10-14 2011-07-27 キヤノン株式会社 無線通信方法、通信装置、及びシステム
DE102006005281A1 (de) * 2006-02-06 2007-08-16 Siemens Ag Elektronisch gesteuerte Antenne und dazugehöriges Verfahren zur Anwendung bei funkbasierten Systemen
KR100961889B1 (ko) 2006-11-17 2010-06-09 삼성전자주식회사 다중 입력 다중 출력 시스템의 순차적 스케줄링 장치 및 방법
US8060076B2 (en) * 2007-01-04 2011-11-15 Harris Stratex Networks, Inc. Real-time RSL monitoring in a web-based application
US8515471B2 (en) * 2008-02-15 2013-08-20 Samsung Electronics Co., Ltd. System and method for wireless communication network using beamforming and having a multi-cast capacity
KR101488028B1 (ko) * 2008-07-17 2015-01-30 엘지전자 주식회사 다중 안테나 시스템에서 참조신호 전송 방법
KR101027233B1 (ko) 2008-07-23 2011-04-06 엘지전자 주식회사 다중 안테나 시스템에서 참조신호 전송 방법
US8811267B2 (en) 2008-08-13 2014-08-19 Samsung Electronics Co., Ltd. Communication system for supporting primary user and secondary user
CN102122975B (zh) * 2010-01-07 2014-04-09 中国移动通信集团公司 一种信号处理装置和信号处理方法
JP5547771B2 (ja) * 2012-04-03 2014-07-16 日本電信電話株式会社 基地局装置、無線通信方法、及び無線通信システム
US9275690B2 (en) 2012-05-30 2016-03-01 Tahoe Rf Semiconductor, Inc. Power management in an electronic system through reducing energy usage of a battery and/or controlling an output power of an amplifier thereof
JP5702754B2 (ja) * 2012-07-10 2015-04-15 日本電信電話株式会社 送信局装置、及び無線通信方法
US9509351B2 (en) 2012-07-27 2016-11-29 Tahoe Rf Semiconductor, Inc. Simultaneous accommodation of a low power signal and an interfering signal in a radio frequency (RF) receiver
CN103634034B (zh) * 2012-08-23 2019-01-08 上海中兴软件有限责任公司 波束赋形处理方法及装置
US9716315B2 (en) 2013-03-15 2017-07-25 Gigpeak, Inc. Automatic high-resolution adaptive beam-steering
US9666942B2 (en) 2013-03-15 2017-05-30 Gigpeak, Inc. Adaptive transmit array for beam-steering
US9837714B2 (en) 2013-03-15 2017-12-05 Integrated Device Technology, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through a circular configuration thereof
US9184498B2 (en) 2013-03-15 2015-11-10 Gigoptix, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through fine control of a tunable frequency of a tank circuit of a VCO thereof
US9722310B2 (en) 2013-03-15 2017-08-01 Gigpeak, Inc. Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through frequency multiplication
US9531070B2 (en) 2013-03-15 2016-12-27 Christopher T. Schiller Extending beamforming capability of a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation through accommodating differential coupling between VCOs thereof
US9780449B2 (en) 2013-03-15 2017-10-03 Integrated Device Technology, Inc. Phase shift based improved reference input frequency signal injection into a coupled voltage controlled oscillator (VCO) array during local oscillator (LO) signal generation to reduce a phase-steering requirement during beamforming
EP3080924B1 (en) * 2013-12-12 2020-06-24 Telefonaktiebolaget LM Ericsson (publ) Method and network node for broadcasting
US9609648B2 (en) * 2014-06-16 2017-03-28 Qualcomm Incorporated Beamform scheduling based on the directionality of UEs
KR101693489B1 (ko) * 2016-03-07 2017-01-06 한림대학교 산학협력단 게이트웨이 장치 및 그를 이용한 멀티캐스팅 방법
CN109716668B (zh) * 2016-09-21 2022-09-09 松下电器（美国）知识产权公司 发送方法、发送装置、接收方法以及接收装置
CN107332585B (zh) * 2017-07-05 2020-11-03 四川九洲电器集团有限责任公司 一种收发设备
EP4193726A2 (en) * 2020-08-05 2023-06-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Data communication apparatuses, methods for data communication, communication apparatuses and methods for communication using shared data
CN118400023B (zh) * 2024-06-26 2024-09-24 四川创智联恒科技有限公司 波宽确定方法、装置、电子设备及存储介质

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US5742639A (en) * 1994-05-13 1998-04-21 Westinghouse Electric Corporation Mobile terminal apparatus and method for a satellite communication system
US6101399A (en) * 1995-02-22 2000-08-08 The Board Of Trustees Of The Leland Stanford Jr. University Adaptive beam forming for transmitter operation in a wireless communication system
US5649287A (en) * 1995-03-29 1997-07-15 Telefonaktiebolaget Lm Ericsson Orthogonalizing methods for antenna pattern nullfilling
US6085101A (en) * 1996-05-17 2000-07-04 Telcordia Technologies, Inc. Communications network having a multicast capability
US6018659A (en) * 1996-10-17 2000-01-25 The Boeing Company Airborne broadband communication network
US5781845A (en) * 1996-12-03 1998-07-14 The Aerospace Corporation Adaptive transmitting antenna
US6023625A (en) * 1997-02-18 2000-02-08 Ericsson Inc. System and method for reducing multicast interference in a distributed antenna network
US6128472A (en) * 1998-06-15 2000-10-03 Wireless Online, Inc. Expanding a two-way paging system for high inbound traffic from stationary sites

Also Published As

Publication number Publication date
CN1143455C (zh) 2004-03-24
BR0009028A (pt) 2001-12-26
US7805167B1 (en) 2010-09-28
CA2367998C (en) 2008-11-18
AR022916A1 (es) 2002-09-04
JP2003110496A (ja) 2003-04-11
TW490984B (en) 2002-06-11
WO2000055986A1 (en) 2000-09-21
AU2943500A (en) 2000-10-04
ATE328404T1 (de) 2006-06-15
KR100635415B1 (ko) 2006-10-18
EP1163740B1 (en) 2006-05-31
CN1352830A (zh) 2002-06-05
DE60028355T2 (de) 2007-05-10
EP1163740A1 (en) 2001-12-19
CA2367998A1 (en) 2000-09-21
KR20010112341A (ko) 2001-12-20
DE60028355D1 (de) 2006-07-06
JP3987229B2 (ja) 2007-10-03

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