DE60238594D1 - Verfahren und System zur Verdopplung der Spektrumeffizienz in einem Funkübertragungssystem - Google Patents

Verfahren und System zur Verdopplung der Spektrumeffizienz in einem Funkübertragungssystem

Info

Publication number
DE60238594D1
DE60238594D1 DE60238594T DE60238594T DE60238594D1 DE 60238594 D1 DE60238594 D1 DE 60238594D1 DE 60238594 T DE60238594 T DE 60238594T DE 60238594 T DE60238594 T DE 60238594T DE 60238594 D1 DE60238594 D1 DE 60238594D1
Authority
DE
Germany
Prior art keywords
spectrum efficiency
doubling
radio transmission
signal
transmission system
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 - Lifetime
Application number
DE60238594T
Other languages
English (en)
Inventor
Mario Giovanni Frecassetti
Claudio Colombo
Primo Garofoli
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Lucent SAS
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 Alcatel Lucent SAS filed Critical Alcatel Lucent SAS
Application granted granted Critical
Publication of DE60238594D1 publication Critical patent/DE60238594D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04B7/10—Polarisation diversity; Directional diversity
DE60238594T 2001-12-19 2002-09-10 Verfahren und System zur Verdopplung der Spektrumeffizienz in einem Funkübertragungssystem Expired - Lifetime DE60238594D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001MI002685A ITMI20012685A1 (it) 2001-12-19 2001-12-19 Metodo e sistema per raddoppiare l'efficienza spettrale inhun sistemadi trasmissione radio

Publications (1)

Publication Number Publication Date
DE60238594D1 true DE60238594D1 (de) 2011-01-27

Family

ID=11448706

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238594T Expired - Lifetime DE60238594D1 (de) 2001-12-19 2002-09-10 Verfahren und System zur Verdopplung der Spektrumeffizienz in einem Funkübertragungssystem

Country Status (5)

Country Link
US (1) US6954619B2 (de)
EP (1) EP1322050B1 (de)
AT (1) ATE492075T1 (de)
DE (1) DE60238594D1 (de)
IT (1) ITMI20012685A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6785520B2 (en) 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
AU2003219882A1 (en) * 2002-03-01 2003-09-16 Cognio, Inc. System and method for joint maximal ratio combining
US6687492B1 (en) * 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
EP2224609B1 (de) * 2002-03-21 2011-08-24 IPR Licensing Inc. Erhöhung der Leistungsfähigkeit von Leistungsverstärkern bei Geräten unter Verwendung von Sendestrahlformung
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
US7006804B1 (en) * 2002-07-10 2006-02-28 At&T Corp. High-speed two-way point-to-point transmission
EP1983651B1 (de) * 2002-07-30 2014-11-05 IPR Licensing, Inc. Anordnung für Funkkommunikation mit mehreren Ein- und Ausgängen (MIMO)
US20040132414A1 (en) * 2002-11-29 2004-07-08 Sendyk Andrew M. Method, apparatus and system for multiple signal transmission, reception, and restoration
US7099678B2 (en) * 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4791428A (en) 1987-05-15 1988-12-13 Ray J. Hillenbrand Microwave receiving antenna array having adjustable null direction
JP2845250B2 (ja) * 1992-01-31 1999-01-13 日本電気株式会社 交差偏波干渉補償装置
DE4303355A1 (de) * 1993-02-05 1994-08-11 Philips Patentverwaltung Funksystem
US5898362A (en) 1997-06-02 1999-04-27 Motorola, Inc. System for transmitting and receiving polarized CDMA signals and method of operation thereof
US6125109A (en) * 1998-02-24 2000-09-26 Repeater Technologies Delay combiner system for CDMA repeaters and low noise amplifiers
US6459740B1 (en) * 1998-09-17 2002-10-01 At&T Wireless Services, Inc. Maximum ratio transmission
US20020150070A1 (en) * 1999-07-02 2002-10-17 Shattil Steve J. Method and apparatus for using frequency diversity to separate wireless communication signals
US6658269B1 (en) * 1999-10-01 2003-12-02 Raytheon Company Wireless communications system
US6788661B1 (en) * 1999-11-12 2004-09-07 Nikia Networks Oy Adaptive beam-time coding method and apparatus
US6771706B2 (en) * 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
US6785520B2 (en) * 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining

Also Published As

Publication number Publication date
EP1322050A3 (de) 2005-03-23
EP1322050B1 (de) 2010-12-15
EP1322050A2 (de) 2003-06-25
US20030114108A1 (en) 2003-06-19
US6954619B2 (en) 2005-10-11
ATE492075T1 (de) 2011-01-15
ITMI20012685A1 (it) 2003-06-19

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