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DE60031893D1 - Kommunikationseinrichtung mit übertragungs-diversity - Google Patents

Kommunikationseinrichtung mit übertragungs-diversity

Info

Publication number
DE60031893D1
DE60031893D1 DE60031893T DE60031893T DE60031893D1 DE 60031893 D1 DE60031893 D1 DE 60031893D1 DE 60031893 T DE60031893 T DE 60031893T DE 60031893 T DE60031893 T DE 60031893T DE 60031893 D1 DE60031893 D1 DE 60031893D1
Authority
DE
Germany
Prior art keywords
communication device
transmission diversity
diversity
transmission
communication
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
DE60031893T
Other languages
English (en)
Other versions
DE60031893T2 (de
Inventor
Yoshinori Tanaka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE60031893D1 publication Critical patent/DE60031893D1/de
Publication of DE60031893T2 publication Critical patent/DE60031893T2/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
    • H04B7/04—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
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • 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
    • H04B7/0652—Feedback error handling
    • H04B7/0656—Feedback error handling at the transmitter, e.g. error detection at base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
DE60031893T 2000-08-10 2000-08-10 Kommunikationseinrichtung mit übertragungs-diversity Expired - Lifetime DE60031893T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/005380 WO2002015433A1 (fr) 2000-08-10 2000-08-10 Dispositif de communication pour emission en diversite

Publications (2)

Publication Number Publication Date
DE60031893D1 true DE60031893D1 (de) 2006-12-28
DE60031893T2 DE60031893T2 (de) 2007-06-21

Family

ID=11736347

Family Applications (3)

Application Number Title Priority Date Filing Date
DE60031893T Expired - Lifetime DE60031893T2 (de) 2000-08-10 2000-08-10 Kommunikationseinrichtung mit übertragungs-diversity
DE60037545T Expired - Lifetime DE60037545T2 (de) 2000-08-10 2000-08-10 Senderdiversität Kommunikationsvorrichtung
DE60037465T Expired - Lifetime DE60037465T2 (de) 2000-08-10 2000-08-10 Vorrichtung zur Kommunikation mit Diversität

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE60037545T Expired - Lifetime DE60037545T2 (de) 2000-08-10 2000-08-10 Senderdiversität Kommunikationsvorrichtung
DE60037465T Expired - Lifetime DE60037465T2 (de) 2000-08-10 2000-08-10 Vorrichtung zur Kommunikation mit Diversität

Country Status (5)

Country Link
US (1) US7099634B2 (de)
EP (3) EP1612966B1 (de)
JP (1) JP4176463B2 (de)
DE (3) DE60031893T2 (de)
WO (1) WO2002015433A1 (de)

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Also Published As

Publication number Publication date
JP4176463B2 (ja) 2008-11-05
DE60037465T2 (de) 2008-12-04
EP1315311A1 (de) 2003-05-28
US7099634B2 (en) 2006-08-29
EP1315311A4 (de) 2005-01-19
DE60037545D1 (de) 2008-01-31
EP1612966B1 (de) 2007-12-12
DE60037465D1 (de) 2008-01-24
EP1612966A1 (de) 2006-01-04
DE60031893T2 (de) 2007-06-21
EP1603253B1 (de) 2007-12-19
DE60037545T2 (de) 2008-12-04
WO2002015433A1 (fr) 2002-02-21
EP1315311B1 (de) 2006-11-15
EP1603253A1 (de) 2005-12-07
US20030124995A1 (en) 2003-07-03

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