ATE383681T1 - Übertragungsverfahren und funksystem - Google Patents

Übertragungsverfahren und funksystem

Info

Publication number
ATE383681T1
ATE383681T1 AT98939672T AT98939672T ATE383681T1 AT E383681 T1 ATE383681 T1 AT E383681T1 AT 98939672 T AT98939672 T AT 98939672T AT 98939672 T AT98939672 T AT 98939672T AT E383681 T1 ATE383681 T1 AT E383681T1
Authority
AT
Austria
Prior art keywords
signals
radio system
signal
transmission method
transmission
Prior art date
Application number
AT98939672T
Other languages
English (en)
Inventor
Kari Niemelae
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
Application granted granted Critical
Publication of ATE383681T1 publication Critical patent/ATE383681T1/de

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
    • H04B7/0619—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 using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Radio Transmission System (AREA)
AT98939672T 1997-08-20 1998-08-19 Übertragungsverfahren und funksystem ATE383681T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI973422A FI106669B (fi) 1997-08-20 1997-08-20 Lähetysmenetelmä ja radiojärjestelmä

Publications (1)

Publication Number Publication Date
ATE383681T1 true ATE383681T1 (de) 2008-01-15

Family

ID=8549393

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98939672T ATE383681T1 (de) 1997-08-20 1998-08-19 Übertragungsverfahren und funksystem

Country Status (10)

Country Link
US (1) US6430399B1 (de)
EP (1) EP0951759B1 (de)
JP (1) JP3930059B2 (de)
CN (1) CN1135736C (de)
AT (1) ATE383681T1 (de)
AU (1) AU746749B2 (de)
DE (1) DE69838972T2 (de)
FI (1) FI106669B (de)
NO (1) NO991858L (de)
WO (1) WO1999009677A2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3519276B2 (ja) * 1998-06-18 2004-04-12 松下電器産業株式会社 キャリブレーション装置
ATE211334T1 (de) * 1999-05-26 2002-01-15 Motorola Inc Sende-diversity verfahren und system mit phasenregelung für funkübertragungssysteme
US6327299B1 (en) * 1999-08-31 2001-12-04 Motorola, Inc. Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system
JP4187377B2 (ja) 2000-02-23 2008-11-26 富士通株式会社 無線送受信機及び電波放射方向制御方法
DE10025987C2 (de) * 2000-05-25 2002-04-04 Siemens Ag Verfahren zum Steuern der Downlink-Strahlformung
US7142830B2 (en) 2001-09-19 2006-11-28 Nokia Corporation Adaptive transceiver system
EP1428328A1 (de) * 2001-09-19 2004-06-16 Nokia Corporation Adaptives sender-empfängersystem
JP4634672B2 (ja) * 2001-09-25 2011-02-16 三菱電機株式会社 サイトダイバーシチ送受信装置
US7263385B2 (en) 2002-08-23 2007-08-28 Qualcomm Incorporated System and method for beamforming with data rate control feedback
US8451934B1 (en) * 2002-08-28 2013-05-28 Clifford Kraft Method and system for increasing throughput of a wireless channel using multipath transmission
CN103139830B (zh) * 2011-12-05 2018-05-11 中兴通讯股份有限公司 一种进行在线dpct相位寻优的装置和方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1259031B (it) * 1992-05-25 1996-03-11 Alcatel Italia Metodo e dispositivo per ottimizzare il collegamento radio per un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo variando il livello di attenuazione relativo tra i due canali
SE513454C2 (sv) * 1992-07-09 2000-09-18 Telia Ab Förfarande och anordning för radiokommunikation med frekvensdiversitet
DE4233340A1 (de) * 1992-10-05 1994-04-07 Basf Ag Acetaldehydacetaleinheiten enthaltende Polyacetale, Verfahren zu ihrer Herstellung und ihre Verwendung in Wasch- und Reinigungsmitteln
US5471647A (en) * 1993-04-14 1995-11-28 The Leland Stanford Junior University Method for minimizing cross-talk in adaptive transmission antennas
TW351886B (en) * 1993-09-27 1999-02-01 Ericsson Telefon Ab L M Using two classes of channels with different capacity
JP2626514B2 (ja) * 1993-11-08 1997-07-02 日本電気株式会社 基地局送受信装置
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
WO1997023064A1 (en) * 1995-12-18 1997-06-26 The Board Of Trustees Of The Leland Stanford Junior University Diversity combining circuits
DE69705356T2 (de) * 1996-05-17 2002-05-02 Motorola Ltd Verfahren und Vorrichtung zur Gewichtung eines Uebertragungsweges
US6115464A (en) * 1997-10-29 2000-09-05 Siemens Information And Communication Networks, Inc. Method and system for distinguishing valid DTMF signals from spurious DTMF noise
US6154661A (en) * 1997-12-10 2000-11-28 Arraycomm, Inc. Transmitting on the downlink using one or more weight vectors determined to achieve a desired radiation pattern

Also Published As

Publication number Publication date
DE69838972D1 (de) 2008-02-21
CN1135736C (zh) 2004-01-21
NO991858D0 (no) 1999-04-19
US6430399B1 (en) 2002-08-06
EP0951759B1 (de) 2008-01-09
FI973422A (fi) 1999-02-21
NO991858L (no) 1999-04-19
FI106669B (fi) 2001-03-15
EP0951759A2 (de) 1999-10-27
JP2001505029A (ja) 2001-04-10
DE69838972T2 (de) 2009-01-15
FI973422A0 (fi) 1997-08-20
AU8809998A (en) 1999-03-08
JP3930059B2 (ja) 2007-06-13
WO1999009677A2 (en) 1999-02-25
CN1237292A (zh) 1999-12-01
AU746749B2 (en) 2002-05-02
WO1999009677A3 (en) 1999-04-15

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Legal Events

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