DE60128999D1 - Diversitätsübertragung - Google Patents

Diversitätsübertragung

Info

Publication number
DE60128999D1
DE60128999D1 DE60128999T DE60128999T DE60128999D1 DE 60128999 D1 DE60128999 D1 DE 60128999D1 DE 60128999 T DE60128999 T DE 60128999T DE 60128999 T DE60128999 T DE 60128999T DE 60128999 D1 DE60128999 D1 DE 60128999D1
Authority
DE
Germany
Prior art keywords
antenna
antenna beams
performance
downlink
diversity transmission
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 - Fee Related
Application number
DE60128999T
Other languages
English (en)
Other versions
DE60128999T2 (de
Inventor
Marcos Katz
Juha Ylitalo
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 Solutions and Networks Oy
Original Assignee
Nokia Siemens Networks Oy
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 Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Publication of DE60128999D1 publication Critical patent/DE60128999D1/de
Application granted granted Critical
Publication of DE60128999T2 publication Critical patent/DE60128999T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Glass Compositions (AREA)
  • Dental Preparations (AREA)
  • Hydrogenated Pyridines (AREA)
DE60128999T 2000-01-28 2001-01-25 Diversitätsübertragung Expired - Fee Related DE60128999T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20000176A FI20000176A0 (fi) 2000-01-28 2000-01-28 Diversiteettilähetys
FI20000176 2000-01-28
PCT/FI2001/000065 WO2001056192A1 (en) 2000-01-28 2001-01-25 Diversity transmission

Publications (2)

Publication Number Publication Date
DE60128999D1 true DE60128999D1 (de) 2007-08-02
DE60128999T2 DE60128999T2 (de) 2008-02-28

Family

ID=8557238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60128999T Expired - Fee Related DE60128999T2 (de) 2000-01-28 2001-01-25 Diversitätsübertragung

Country Status (7)

Country Link
US (1) US7149547B2 (de)
EP (1) EP1250768B1 (de)
AT (1) ATE365402T1 (de)
AU (1) AU2001231785A1 (de)
DE (1) DE60128999T2 (de)
FI (1) FI20000176A0 (de)
WO (1) WO2001056192A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0102316D0 (en) 2001-01-30 2001-03-14 Koninkl Philips Electronics Nv Radio communication system
US7162261B1 (en) * 2002-02-27 2007-01-09 Sprint Communications Company L.P. Method and device for identifying antennae to transmit wireless signals
US6850741B2 (en) * 2002-04-04 2005-02-01 Agency For Science, Technology And Research Method for selecting switched orthogonal beams for downlink diversity transmission
JP4299083B2 (ja) * 2003-09-09 2009-07-22 株式会社エヌ・ティ・ティ・ドコモ 無線通信装置及び無線通信方法
US7406295B1 (en) 2003-09-10 2008-07-29 Sprint Spectrum L.P. Method for dynamically directing a wireless repeater
US7480486B1 (en) 2003-09-10 2009-01-20 Sprint Spectrum L.P. Wireless repeater and method for managing air interface communications
US7457545B2 (en) * 2004-02-12 2008-11-25 Northrop Grumman Corporation Process for controlling a Hartmann wavefront sensor (WFS) in an adaptive optic (AO) system
GB0414889D0 (en) * 2004-07-02 2004-08-04 Qinetiq Ltd Multiple-input multiple-output communications system
US8040788B2 (en) * 2004-08-13 2011-10-18 Broadcom Corporation Multi-dimensional network resource allocation
EP1851879B1 (de) * 2005-02-08 2012-12-05 Alcatel Lucent Verfahren und vorrichtung zur steuerung der übertragung von funkverbindungen in einem funkkommunikationssystem
US20060268623A1 (en) * 2005-03-09 2006-11-30 Samsung Electronics Co., Ltd. Transmitting/receiving apparatus and method in a closed-loop MIMO system
US8213978B1 (en) * 2005-08-29 2012-07-03 At&T Mobility Ii Llc Estimating mobile local propagation environment characteristics for wireless communications
KR101099881B1 (ko) * 2006-09-06 2011-12-28 고려대학교 산학협력단 직교 공간 다중화 시스템에서의 안테나 선택 방법 및 장치
US20080172322A1 (en) * 2007-01-17 2008-07-17 Steidlmayer Pete Method for scheduling future orders on an electronic commodity trading system
US8565193B2 (en) 2008-10-16 2013-10-22 Elektrobit Wireless Communications Oy Beam forming method, apparatus and system
US20100241588A1 (en) * 2009-03-17 2010-09-23 Andrew Busby System and method for determining confidence levels for a market depth in a commodities market
WO2016036290A1 (en) * 2014-09-04 2016-03-10 Telefonaktiebolaget L M Ericsson (Publ) Beam forming in a wireless communication network
US20160192209A1 (en) * 2014-12-31 2016-06-30 Thomson Licensing Antenna radiation pattern adjustment and mobile devices

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2281176B (en) * 1993-08-12 1998-04-08 Northern Telecom Ltd Base station antenna arrangement
DE69431550T2 (de) * 1993-08-12 2003-02-20 Nortel Networks Ltd Antenneneinrichtung für Basisstation
GB2281012B (en) * 1993-08-12 1998-04-15 Northern Telecom Ltd Angle diversity for multiple beam antenna
FI98172C (fi) * 1995-05-24 1997-04-25 Nokia Telecommunications Oy Menetelmä pilottisignaalin lähettämiseksi ja solukkoradiojärjestelmä
US5680142A (en) * 1995-11-07 1997-10-21 Smith; David Anthony Communication system and method utilizing an antenna having adaptive characteristics
JP3279491B2 (ja) 1996-12-16 2002-04-30 株式会社日本触媒 （メタ）アクリル酸の製造方法
US6301238B1 (en) * 1997-01-28 2001-10-09 Telefonaktiebolaget Lm Ericsson (Publ) Directional-beam generative apparatus and associated method
WO1998036596A1 (en) * 1997-02-13 1998-08-20 Nokia Telecommunications Oy Method and apparatus for directional radio communication
US6697641B1 (en) * 1997-03-03 2004-02-24 Celletra Ltd. Method and system for improving communication
US6453177B1 (en) * 1999-07-14 2002-09-17 Metawave Communications Corporation Transmitting beam forming in smart antenna array system

Also Published As

Publication number Publication date
ATE365402T1 (de) 2007-07-15
EP1250768B1 (de) 2007-06-20
AU2001231785A1 (en) 2001-08-07
US7149547B2 (en) 2006-12-12
US20030032453A1 (en) 2003-02-13
EP1250768A1 (de) 2002-10-23
WO2001056192A1 (en) 2001-08-02
DE60128999T2 (de) 2008-02-28
FI20000176A0 (fi) 2000-01-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee