ATE536667T1 - Sendediversität mit variabler verzögerung - Google Patents

Sendediversität mit variabler verzögerung

Info

Publication number
ATE536667T1
ATE536667T1 AT04765868T AT04765868T ATE536667T1 AT E536667 T1 ATE536667 T1 AT E536667T1 AT 04765868 T AT04765868 T AT 04765868T AT 04765868 T AT04765868 T AT 04765868T AT E536667 T1 ATE536667 T1 AT E536667T1
Authority
AT
Austria
Prior art keywords
signal
variable delay
transmit diversity
diversity antennas
delayed replica
Prior art date
Application number
AT04765868T
Other languages
English (en)
Inventor
Bruno Melis
Alfredo Ruscitto
Paolo Semenzato
Original Assignee
Telecom Italia Spa
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 Telecom Italia Spa filed Critical Telecom Italia Spa
Application granted granted Critical
Publication of ATE536667T1 publication Critical patent/ATE536667T1/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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0671—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 delayed versions of same signal using different delays between antennas
AT04765868T 2004-10-07 2004-10-07 Sendediversität mit variabler verzögerung ATE536667T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2004/011204 WO2006037364A1 (en) 2004-10-07 2004-10-07 Variable delay transmit diversity

Publications (1)

Publication Number Publication Date
ATE536667T1 true ATE536667T1 (de) 2011-12-15

Family

ID=34958820

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04765868T ATE536667T1 (de) 2004-10-07 2004-10-07 Sendediversität mit variabler verzögerung

Country Status (6)

Country Link
US (1) US8260359B2 (de)
EP (1) EP1797650B1 (de)
CN (1) CN101057416A (de)
AT (1) ATE536667T1 (de)
BR (1) BRPI0419097B1 (de)
WO (1) WO2006037364A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007038969A1 (en) 2005-10-05 2007-04-12 Telecom Italia S.P.A Method and system for multiple antenna communications, related apparatus and corresponding computer program product
US8437712B2 (en) 2005-10-27 2013-05-07 Telecom Italia S.P.A. Method and system for multiple antenna communications using multiple transmission modes, related apparatus and computer program product
US8076997B2 (en) 2006-05-31 2011-12-13 Telecom Italia S.P.A. Continously tunable waveguide delay line having a displaceable perturbing member
US7783318B2 (en) * 2006-09-26 2010-08-24 Wilson Electronics Cellular network amplifier with automated output power control
US7729669B2 (en) * 2006-09-26 2010-06-01 Wilson Electronics Processor controlled variable gain cellular network amplifier
US8509724B2 (en) 2006-11-29 2013-08-13 Telecom Italia S.P.A. Switched beam antenna with digitally controlled weighted radio frequency combining
CN101720518B (zh) 2006-11-30 2012-07-04 皮雷利&C.有限公司 延迟元件和相应方法
WO2009043378A1 (en) * 2007-10-04 2009-04-09 Telecom Italia S.P.A. Method and system for radiating a radioelectric signal through a combination of sector antennas
US8598967B2 (en) 2007-11-28 2013-12-03 Pirelli & C. S.P.A. Tunable waveguide delay line having a movable ridge for providing continuous delay
WO2009080057A1 (en) 2007-12-19 2009-07-02 Telecom Italia S.P.A. Method and system for switched beam antenna communications
CN101237632A (zh) * 2008-03-03 2008-08-06 中兴通讯股份有限公司 信号下行发射方法和装置
GB2460112A (en) * 2008-05-19 2009-11-25 Nokia Corp Controlling transmission diversity by delaying a signal on a second transmit path relative to a first transmit path
BRPI0822777B1 (pt) 2008-06-30 2020-08-04 Telecom Italia S.P.A Método para transmitir sinais a partir de uma femtocélula, femtocélula para um sistema de comunicação celular, e, meio de armazenamento legível por computador
US9191263B2 (en) * 2008-12-23 2015-11-17 Keyssa, Inc. Contactless replacement for cabled standards-based interfaces
WO2010140826A2 (en) * 2009-06-03 2010-12-09 Samsung Electronics Co., Ltd. Selective application of frequency hopping for transmission of control signals
US9450659B2 (en) * 2011-11-04 2016-09-20 Alcatel Lucent Method and apparatus to generate virtual sector wide static beams using phase shift transmit diversity
US10003387B2 (en) * 2013-03-15 2018-06-19 Intel Deutschland Gmbh Communications terminal, a network component, a method for transmitting a signal, and a method for providing feedback information to a communications terminal
CA2814303A1 (en) 2013-04-26 2014-10-26 Cellphone-Mate, Inc. Apparatus and methods for radio frequency signal boosters
US11489255B2 (en) 2019-06-26 2022-11-01 Analog Devices International Unlimited Company Phase shifters using switch-based feed line splitters
EP4078844A1 (de) * 2019-12-17 2022-10-26 Menlo Microsystems, Inc. Differenzzeitverzögerungsumschalter und verfahren
US20230039328A1 (en) * 2021-08-06 2023-02-09 Qualcomm Incorporated Selective use of transmission diversity

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5574989A (en) 1993-04-26 1996-11-12 Hughes Electronics Time division multiple access cellular communication system and method employing base station diversity transmission
US5781541A (en) 1995-05-03 1998-07-14 Bell Atlantic Network Services, Inc. CDMA system having time-distributed transmission paths for multipath reception
US5757319A (en) 1996-10-29 1998-05-26 Hughes Electronics Corporation Ultrabroadband, adaptive phased array antenna systems using microelectromechanical electromagnetic components
US7139324B1 (en) 2000-06-02 2006-11-21 Nokia Networks Oy Closed loop feedback system for improved down link performance
JP3402363B2 (ja) 2000-06-13 2003-05-06 日本電気株式会社 送信ダイバーシチ方式送信機における遅延時間制御方式。
GB0017427D0 (en) 2000-07-14 2000-08-30 Ip Access Ltd Cellular radio telecommunication system
US7065156B1 (en) * 2000-08-31 2006-06-20 Nokia Mobile Phones Ltd. Hopped delay diversity for multiple antenna transmission
US20030109282A1 (en) 2001-12-06 2003-06-12 Itzhak Shperling Method and base station for providing phase-shift transmit diversity
US7155231B2 (en) * 2002-02-08 2006-12-26 Qualcomm, Incorporated Transmit pre-correction in a wireless communication system

Also Published As

Publication number Publication date
EP1797650A1 (de) 2007-06-20
EP1797650B1 (de) 2011-12-07
BRPI0419097B1 (pt) 2018-01-09
CN101057416A (zh) 2007-10-17
US8260359B2 (en) 2012-09-04
WO2006037364A1 (en) 2006-04-13
US20080188229A1 (en) 2008-08-07
BRPI0419097A (pt) 2007-12-11

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