ATE492075T1 - 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
ATE492075T1
ATE492075T1 AT02292213T AT02292213T ATE492075T1 AT E492075 T1 ATE492075 T1 AT E492075T1 AT 02292213 T AT02292213 T AT 02292213T AT 02292213 T AT02292213 T AT 02292213T AT E492075 T1 ATE492075 T1 AT E492075T1
Authority
AT
Austria
Prior art keywords
spectrum efficiency
doubling
radio transmission
signal
transmission system
Prior art date
Application number
AT02292213T
Other languages
English (en)
Inventor
Mario Giovanni Frecassetti
Claudio Colombo
Primo Garofoli
Original Assignee
Alcatel Lucent
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 filed Critical Alcatel Lucent
Application granted granted Critical
Publication of ATE492075T1 publication Critical patent/ATE492075T1/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
    • H04B7/10—Polarisation diversity; Directional diversity

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Radio Relay Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
AT02292213T 2001-12-19 2002-09-10 Verfahren und system zur verdopplung der spektrumeffizienz in einem funkübertragungssystem ATE492075T1 (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
ATE492075T1 true ATE492075T1 (de) 2011-01-15

Family

ID=11448706

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02292213T ATE492075T1 (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
US6687492B1 (en) 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US6785520B2 (en) * 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
WO2003075471A2 (en) * 2002-03-01 2003-09-12 Cognio, Inc. System and method for joint maximal ratio combining
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
DK1595329T3 (da) * 2002-03-21 2010-09-27 Ipr Licensing Inc Forbedring af virkningsgraden af effektforstærkere i indretninger der anvender transmissionsstråledannelse
US7006804B1 (en) * 2002-07-10 2006-02-28 At&T Corp. High-speed two-way point-to-point transmission
WO2004012346A2 (en) * 2002-07-30 2004-02-05 Cognio, Inc. System and method for multiple-input multiple-output (mimo) radio communication
CA2449751A1 (en) * 2002-11-29 2004-05-29 Creative Signal Solutions Inc. A 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
US6954619B2 (en) 2005-10-11
EP1322050B1 (de) 2010-12-15
EP1322050A3 (de) 2005-03-23
ITMI20012685A1 (it) 2003-06-19
US20030114108A1 (en) 2003-06-19
DE60238594D1 (de) 2011-01-27
EP1322050A2 (de) 2003-06-25

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Legal Events

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