FI106669B - Lähetysmenetelmä ja radiojärjestelmä - Google Patents

Lähetysmenetelmä ja radiojärjestelmä Download PDF

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Publication number
FI106669B
FI106669B FI973422A FI973422A FI106669B FI 106669 B FI106669 B FI 106669B FI 973422 A FI973422 A FI 973422A FI 973422 A FI973422 A FI 973422A FI 106669 B FI106669 B FI 106669B
Authority
FI
Finland
Prior art keywords
signal
phase
signals
receiver
radio system
Prior art date
Application number
FI973422A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI973422A (fi
FI973422A0 (fi
Inventor
Kari Niemelae
Original Assignee
Nokia 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 Networks Oy filed Critical Nokia Networks Oy
Publication of FI973422A0 publication Critical patent/FI973422A0/fi
Priority to FI973422A priority Critical patent/FI106669B/fi
Priority to AT98939672T priority patent/ATE383681T1/de
Priority to AU88099/98A priority patent/AU746749B2/en
Priority to EP98939672A priority patent/EP0951759B1/fr
Priority to PCT/FI1998/000639 priority patent/WO1999009677A2/fr
Priority to DE69838972T priority patent/DE69838972T2/de
Priority to CNB988011891A priority patent/CN1135736C/zh
Priority to US09/269,688 priority patent/US6430399B1/en
Priority to JP51285499A priority patent/JP3930059B2/ja
Publication of FI973422A publication Critical patent/FI973422A/fi
Priority to NO991858A priority patent/NO991858L/no
Application granted granted Critical
Publication of FI106669B publication Critical patent/FI106669B/fi

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)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Circuits Of Receivers In General (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Radio Transmission System (AREA)
FI973422A 1997-08-20 1997-08-20 Lähetysmenetelmä ja radiojärjestelmä FI106669B (fi)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FI973422A FI106669B (fi) 1997-08-20 1997-08-20 Lähetysmenetelmä ja radiojärjestelmä
PCT/FI1998/000639 WO1999009677A2 (fr) 1997-08-20 1998-08-19 Procede de transmission et liaison radio
AU88099/98A AU746749B2 (en) 1997-08-20 1998-08-19 Transmission method and radio system
EP98939672A EP0951759B1 (fr) 1997-08-20 1998-08-19 Procédé de transmission et système radio
AT98939672T ATE383681T1 (de) 1997-08-20 1998-08-19 Übertragungsverfahren und funksystem
DE69838972T DE69838972T2 (de) 1997-08-20 1998-08-19 Übertragungsverfahren und funksystem
CNB988011891A CN1135736C (zh) 1997-08-20 1998-08-19 发射方法及无线系统
US09/269,688 US6430399B1 (en) 1997-08-20 1998-08-19 Multipath transmission for optimizing receiver reception
JP51285499A JP3930059B2 (ja) 1997-08-20 1998-08-19 伝送方法及び無線システム
NO991858A NO991858L (no) 1997-08-20 1999-04-19 FremgangsmÕte for sending, samt radiosystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI973422A FI106669B (fi) 1997-08-20 1997-08-20 Lähetysmenetelmä ja radiojärjestelmä
FI973422 1997-08-20

Publications (3)

Publication Number Publication Date
FI973422A0 FI973422A0 (fi) 1997-08-20
FI973422A FI973422A (fi) 1999-02-21
FI106669B true FI106669B (fi) 2001-03-15

Family

ID=8549393

Family Applications (1)

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

Country Status (10)

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

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
EP1077535B1 (fr) * 1999-05-26 2001-12-19 Motorola, Inc. Procédé et système d'émission en diversité avec réglage des phases pour un système de communication radio
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
WO2003026161A1 (fr) * 2001-09-19 2003-03-27 Nokia Corporation Systeme emetteur-recepteur adaptatif
US7142830B2 (en) 2001-09-19 2006-11-28 Nokia Corporation Adaptive transceiver system
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
AU4518996A (en) 1995-12-18 1997-07-14 Board Of Trustees Of The Leland Stanford Junior University Diversity combining circuits
IL120574A (en) * 1996-05-17 2002-09-12 Motorala Ltd Methods and devices for transmitter track weights
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
US6430399B1 (en) 2002-08-06
FI973422A (fi) 1999-02-21
JP3930059B2 (ja) 2007-06-13
AU8809998A (en) 1999-03-08
CN1135736C (zh) 2004-01-21
JP2001505029A (ja) 2001-04-10
DE69838972T2 (de) 2009-01-15
NO991858D0 (no) 1999-04-19
WO1999009677A3 (fr) 1999-04-15
EP0951759B1 (fr) 2008-01-09
DE69838972D1 (de) 2008-02-21
AU746749B2 (en) 2002-05-02
CN1237292A (zh) 1999-12-01
EP0951759A2 (fr) 1999-10-27
ATE383681T1 (de) 2008-01-15
FI973422A0 (fi) 1997-08-20
NO991858L (no) 1999-04-19
WO1999009677A2 (fr) 1999-02-25

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