NO991858L - FremgangsmÕte for sending, samt radiosystem - Google Patents

FremgangsmÕte for sending, samt radiosystem

Info

Publication number
NO991858L
NO991858L NO991858A NO991858A NO991858L NO 991858 L NO991858 L NO 991858L NO 991858 A NO991858 A NO 991858A NO 991858 A NO991858 A NO 991858A NO 991858 L NO991858 L NO 991858L
Authority
NO
Norway
Prior art keywords
signals
radio system
transmission
signal
transmitting
Prior art date
Application number
NO991858A
Other languages
English (en)
Norwegian (no)
Other versions
NO991858D0 (no
Inventor
Kari Niemelo
Original Assignee
Nokia Telecommunications 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 Telecommunications Oy filed Critical Nokia Telecommunications Oy
Publication of NO991858D0 publication Critical patent/NO991858D0/no
Publication of NO991858L publication Critical patent/NO991858L/no

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)
  • Radio Transmission System (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)
NO991858A 1997-08-20 1999-04-19 FremgangsmÕte for sending, samt radiosystem NO991858L (no)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
NO991858D0 NO991858D0 (no) 1999-04-19
NO991858L true NO991858L (no) 1999-04-19

Family

ID=8549393

Family Applications (1)

Application Number Title Priority Date Filing Date
NO991858A NO991858L (no) 1997-08-20 1999-04-19 FremgangsmÕte for sending, samt radiosystem

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
DE69900645T2 (de) * 1999-05-26 2002-09-12 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
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
DE69705356T2 (de) * 1996-05-17 2002-05-02 Motorola Ltd., Basingstoke 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
FI973422A (fi) 1999-02-21
NO991858D0 (no) 1999-04-19
FI973422A0 (fi) 1997-08-20
WO1999009677A3 (fr) 1999-04-15
CN1135736C (zh) 2004-01-21
DE69838972T2 (de) 2009-01-15
US6430399B1 (en) 2002-08-06
WO1999009677A2 (fr) 1999-02-25
JP3930059B2 (ja) 2007-06-13
CN1237292A (zh) 1999-12-01
JP2001505029A (ja) 2001-04-10
EP0951759B1 (fr) 2008-01-09
DE69838972D1 (de) 2008-02-21
EP0951759A2 (fr) 1999-10-27
ATE383681T1 (de) 2008-01-15
FI106669B (fi) 2001-03-15
AU8809998A (en) 1999-03-08
AU746749B2 (en) 2002-05-02

Similar Documents

Publication Publication Date Title
FI980807A0 (fi) Beraekningsfoerfarande och radiosystem
WO2000036764A3 (fr) Procede et liaison radioelectrique pour l'emission d'un signal
AU2002216948A1 (en) Method ans system for transmission of signals to nodes in a system
EP1667332A3 (fr) Système de radio-communications, station radio et procédé de radio-communication
WO2001073471A3 (fr) Systeme et procede permettant d'estimer la distance separant des radios par impulsions au moyen d'une amplitude
WO2000004728A3 (fr) Traitement de donnees en paquets, dans un systeme de communication mobile
MY110864A (en) Dynamic control of transmitting power at a transmitter and attenuation at a receiver
AU2003238811A1 (en) A method and system for multiple channel wireless transmitter and receiver with phase and amplitude calibration
TW200623700A (en) A transceiver using two or more antennas, and a transmitting-receiving method thereof
DE602004029896D1 (de) Antennen-gruppen-kalibrationsanordnung und -verfahren
NO991858D0 (no) FremgangsmÕte for sending, samt radiosystem
WO2001023904A3 (fr) Procede et systeme de positionnement d'un emetteur
ATE340442T1 (de) Parameterschätzung für adaptives antennensystem
ATE245870T1 (de) Sendenantennendiversity
NO993233D0 (no) FremgangsmÕte for sending, samt celledelt radiosystem
DE60035891D1 (de) Pilotsignalsynchronübertragung für ein drahtloses kommunikationssystem
SI1661264T1 (sl) Postopek za prenos signalov v radijsko komunikacijskem sistemu in ustrezna oddajna postaja
NO994495L (no) Fremgangsmaate for overföring, samt radiosystem
TW428396B (en) Information processing system and method, and providing medium
EP0880242A3 (fr) Dispositif de transmission optique spatiale bidirectionelle
JPH0433175B2 (fr)
JP2004048324A (ja) 受信アンテナ故障検出方式
WO1997039542A3 (fr) Systeme de gestion de la radiodiffusion par reseau d'emetteurs
GB2329290A (en) Method of transmitting and receiving data,system and receiver therefor

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application