DE69925378D1 - Adaptive kanalcharakterisierung mittels dekodierten symbolen - Google Patents

Adaptive kanalcharakterisierung mittels dekodierten symbolen

Info

Publication number
DE69925378D1
DE69925378D1 DE69925378T DE69925378T DE69925378D1 DE 69925378 D1 DE69925378 D1 DE 69925378D1 DE 69925378 T DE69925378 T DE 69925378T DE 69925378 T DE69925378 T DE 69925378T DE 69925378 D1 DE69925378 D1 DE 69925378D1
Authority
DE
Germany
Prior art keywords
symbols
pass
channel
irc
updating
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
DE69925378T
Other languages
English (en)
Other versions
DE69925378T2 (de
Inventor
S Khayrallah
Tracy Fulghum
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.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69925378D1 publication Critical patent/DE69925378D1/de
Application granted granted Critical
Publication of DE69925378T2 publication Critical patent/DE69925378T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0845—Weighted combining per branch equalization, e.g. by an FIR-filter or RAKE receiver per antenna branch
    • 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
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0236—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols using estimation of the other symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Error Detection And Correction (AREA)
  • Stereophonic System (AREA)
  • Dc Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DE69925378T 1998-11-30 1999-09-14 Adaptive kanalcharakterisierung mittels dekodierten symbolen Expired - Lifetime DE69925378T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/201,623 US6320919B1 (en) 1998-11-30 1998-11-30 Adaptive channel characterization using decoded symbols
US201623 1998-11-30
PCT/US1999/021354 WO2000033526A1 (en) 1998-11-30 1999-09-14 Adaptive channel characterization using decoded symbols

Publications (2)

Publication Number Publication Date
DE69925378D1 true DE69925378D1 (de) 2005-06-23
DE69925378T2 DE69925378T2 (de) 2006-05-11

Family

ID=22746581

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69925378T Expired - Lifetime DE69925378T2 (de) 1998-11-30 1999-09-14 Adaptive kanalcharakterisierung mittels dekodierten symbolen

Country Status (9)

Country Link
US (1) US6320919B1 (de)
EP (1) EP1135908B8 (de)
JP (1) JP2002532006A (de)
CN (1) CN1328737A (de)
AT (1) ATE296010T1 (de)
AU (1) AU6044099A (de)
BR (1) BR9915776A (de)
DE (1) DE69925378T2 (de)
WO (1) WO2000033526A1 (de)

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Also Published As

Publication number Publication date
EP1135908A1 (de) 2001-09-26
WO2000033526A1 (en) 2000-06-08
DE69925378T2 (de) 2006-05-11
BR9915776A (pt) 2001-08-14
AU6044099A (en) 2000-06-19
EP1135908B1 (de) 2005-05-18
US6320919B1 (en) 2001-11-20
JP2002532006A (ja) 2002-09-24
CN1328737A (zh) 2001-12-26
ATE296010T1 (de) 2005-06-15
EP1135908B8 (de) 2005-07-13

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON INC., PLANO, TEX., US

8364 No opposition during term of opposition