BR0108885A - Método para melhorar operação de um radioenlace, sistema de rádio, e, rádio-transmissor - Google Patents

Método para melhorar operação de um radioenlace, sistema de rádio, e, rádio-transmissor

Info

Publication number
BR0108885A
BR0108885A BR0108885-8A BR0108885A BR0108885A BR 0108885 A BR0108885 A BR 0108885A BR 0108885 A BR0108885 A BR 0108885A BR 0108885 A BR0108885 A BR 0108885A
Authority
BR
Brazil
Prior art keywords
radio
radiation pattern
improve operation
transmitter
receiver
Prior art date
Application number
BR0108885-8A
Other languages
English (en)
Inventor
Juha Ylitalo
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of BR0108885A publication Critical patent/BR0108885A/pt

Links

Classifications

    • 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

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)
  • Radio Transmission System (AREA)

Abstract

"MéTODO PARA MELHORAR OPERAçãO DE UM RADIOENLACE, SISTEMA DE RáDIO, E, RáDIO-TRANSMISSOR". A invenção relaciona-se a um método e um sistema para melhorar operação de um radioenlace em um sistema de comunicação sem fios, tal como um sistema de rádio celular, modificando o padrão de radiação de um arranjo de antena no enlace descendente por meio da informação obtida do enlace ascendente. O método inclui determinar a localização de um receptor para transmissão por meio de um espectro de potência angular (400), por exemplo. Então, o padrão de radiação de um arranjo de antena transmissora é conformado na base da informação de localização no receptor, selecionando uma função de janela que provê o padrão de radiação desejado e implementando a forma da função de janela por meio de coeficientes específicos de elemento de antena (502, 504).
BR0108885-8A 2000-03-01 2001-02-28 Método para melhorar operação de um radioenlace, sistema de rádio, e, rádio-transmissor BR0108885A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20000476A FI20000476A0 (fi) 2000-03-01 2000-03-01 Menetelmä radioyhteyden toiminnan parantamiseksi
PCT/FI2001/000201 WO2001065725A1 (en) 2000-03-01 2001-02-28 Method including a radio transmitter for improving radio link operation

Publications (1)

Publication Number Publication Date
BR0108885A true BR0108885A (pt) 2002-11-05

Family

ID=8557793

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0108885-8A BR0108885A (pt) 2000-03-01 2001-02-28 Método para melhorar operação de um radioenlace, sistema de rádio, e, rádio-transmissor

Country Status (8)

Country Link
US (1) US7894857B2 (pt)
EP (2) EP1262032B1 (pt)
JP (1) JP2003526253A (pt)
CN (1) CN1162992C (pt)
AU (1) AU2001239329A1 (pt)
BR (1) BR0108885A (pt)
FI (1) FI20000476A0 (pt)
WO (1) WO2001065725A1 (pt)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7603081B2 (en) * 2001-09-14 2009-10-13 Atc Technologies, Llc Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications
FI20012473A (fi) * 2001-12-14 2003-06-15 Nokia Corp Menetelmä lähetyksen kontrolloimiseksi radiojärjestelmässä
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
US6785559B1 (en) * 2002-06-28 2004-08-31 Interdigital Technology Corporation System for efficiently covering a sectorized cell utilizing beam forming and sweeping
JP4263440B2 (ja) * 2002-08-02 2009-05-13 株式会社フジテレビジョン 無線伝送装置
US6785558B1 (en) * 2002-12-06 2004-08-31 Lgc Wireless, Inc. System and method for distributing wireless communication signals over metropolitan telecommunication networks
US7277730B2 (en) * 2002-12-26 2007-10-02 Nokia Corporation Method of allocating radio resources in telecommunication system, and telecommunication system
US7933255B2 (en) 2003-04-07 2011-04-26 Bellow Bellows Llc Multi-antenna wireless data processing system
US8014374B2 (en) 2003-04-07 2011-09-06 Bellow Bellows Llc System and method for achieving timing compatibility with multi-antenna wireless data protocols
US7646744B2 (en) 2003-04-07 2010-01-12 Shaolin Li Method of operating multi-antenna wireless data processing system
US7389096B2 (en) 2003-04-07 2008-06-17 Bellow Bellows Llc Monitoring system using multi-antenna transceivers
US7512083B2 (en) 2003-04-07 2009-03-31 Shaolin Li Single chip multi-antenna wireless data processor
US20050135516A1 (en) * 2003-12-19 2005-06-23 Intel Corporation Dual antenna receiver for voice communications
EP2166675B1 (en) * 2007-05-10 2017-05-03 Alcatel Lucent Method and device for pre-processing data to be transmitted in multi input communication system
CN101754477B (zh) * 2008-11-28 2012-06-20 北京大学 一种通信***扩容方法
CN102325328A (zh) * 2011-10-26 2012-01-18 大唐移动通信设备有限公司 业务赋形方法和设备
WO2014183803A1 (en) * 2013-05-17 2014-11-20 Huawei Technologies Co., Ltd. Methods and nodes in a wireless communication network
CN106233684B (zh) * 2014-05-08 2019-11-29 华为技术有限公司 无线通信网络节点中的信道估计

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59190677A (ja) 1983-04-14 1984-10-29 Oki Electric Ind Co Ltd 対数センサ−アレイ
JPH01311704A (ja) 1988-06-10 1989-12-15 Mitsubishi Electric Corp アンテナ装置
JPH0629719A (ja) 1992-07-06 1994-02-04 Toyo Commun Equip Co Ltd フェーズドアレーアンテナ
EP0595247B1 (en) * 1992-10-28 1998-07-15 Atr Optical And Radio Communications Research Laboratories Apparatus for controlling array antenna comprising a plurality of antenna elements and method therefor
US6173014B1 (en) * 1994-08-02 2001-01-09 Telefonaktiebolaget Lm Ericsson Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications 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
JPH08274687A (ja) 1995-03-31 1996-10-18 Matsushita Electric Ind Co Ltd Ｃｄｍａ無線伝送装置およびｃｄｍａ無線伝送システム
GB9519116D0 (en) 1995-09-19 1995-11-22 Northern Telecom Ltd Cellular communications system
JP3204111B2 (ja) 1996-08-28 2001-09-04 松下電器産業株式会社 指向性制御アンテナ装置
US5856804A (en) * 1996-10-30 1999-01-05 Motorola, Inc. Method and intelligent digital beam forming system with improved signal quality communications
JPH10242737A (ja) 1997-02-27 1998-09-11 Atr Kankyo Tekiou Tsushin Kenkyusho:Kk Ｆｉｒ型ディジタルフィルタのフィルタ係数演算装置、ｆｉｒ型ディジタルフィルタ、ディジタルビーム形成装置及び適応ディジタルビーム形成装置
JP3156768B2 (ja) 1998-01-21 2001-04-16 日本電気株式会社 セルラ基地局およびそれに搭載される位置標定装置
US6788661B1 (en) * 1999-11-12 2004-09-07 Nikia Networks Oy Adaptive beam-time coding method and apparatus

Also Published As

Publication number Publication date
EP1777839A3 (en) 2007-09-12
CN1404665A (zh) 2003-03-19
AU2001239329A1 (en) 2001-09-12
EP1262032A1 (en) 2002-12-04
US7894857B2 (en) 2011-02-22
EP1262032B1 (en) 2012-08-29
WO2001065725A1 (en) 2001-09-07
FI20000476A0 (fi) 2000-03-01
EP1777839B1 (en) 2012-07-25
US20030040337A1 (en) 2003-02-27
JP2003526253A (ja) 2003-09-02
EP1777839A2 (en) 2007-04-25
CN1162992C (zh) 2004-08-18

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: NOKIA SIEMENS NETWORKS OY (FI)

Free format text: TRANSFERIDO DE: NOKIA CORPORATION

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM ART. 8O COMBINADO COM ART. 13 DA LPI

B09S Decision of refusal: publication cancelled [chapter 9.2.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM ART. 8O COMBINADO COM ART. 13 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]