DK1792462T3 - Estimat af stöjvarians ved trådlös kommunikation til diversitetskombination og log-sandsynlighedsskalering - Google Patents

Estimat af stöjvarians ved trådlös kommunikation til diversitetskombination og log-sandsynlighedsskalering

Info

Publication number
DK1792462T3
DK1792462T3 DK05797433T DK05797433T DK1792462T3 DK 1792462 T3 DK1792462 T3 DK 1792462T3 DK 05797433 T DK05797433 T DK 05797433T DK 05797433 T DK05797433 T DK 05797433T DK 1792462 T3 DK1792462 T3 DK 1792462T3
Authority
DK
Denmark
Prior art keywords
estimates
wireless communication
noise variance
log probability
diversity combination
Prior art date
Application number
DK05797433T
Other languages
English (en)
Inventor
Srikant Jayaraman
June Namgoong
Hao Xu
Peter J Black
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DK1792462T3 publication Critical patent/DK1792462T3/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/021Estimation of channel covariance
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
DK05797433T 2004-09-17 2005-09-16 Estimat af stöjvarians ved trådlös kommunikation til diversitetskombination og log-sandsynlighedsskalering DK1792462T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US61102804P 2004-09-17 2004-09-17
US11/047,347 US7672383B2 (en) 2004-09-17 2005-01-28 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling
PCT/US2005/033133 WO2006034020A1 (en) 2004-09-17 2005-09-16 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling

Publications (1)

Publication Number Publication Date
DK1792462T3 true DK1792462T3 (da) 2008-11-03

Family

ID=35519776

Family Applications (1)

Application Number Title Priority Date Filing Date
DK05797433T DK1792462T3 (da) 2004-09-17 2005-09-16 Estimat af stöjvarians ved trådlös kommunikation til diversitetskombination og log-sandsynlighedsskalering

Country Status (23)

Country Link
US (2) US7672383B2 (da)
EP (1) EP1792462B1 (da)
JP (3) JP2008514124A (da)
KR (1) KR100868834B1 (da)
CN (1) CN102546507B (da)
AT (1) ATE400957T1 (da)
AU (2) AU2005287062C1 (da)
BR (1) BRPI0515379A (da)
CA (2) CA2730327A1 (da)
DE (1) DE602005008082D1 (da)
DK (1) DK1792462T3 (da)
EC (1) ECSP077399A (da)
ES (1) ES2308563T3 (da)
IL (1) IL181901A (da)
MX (1) MX2007003232A (da)
MY (1) MY142379A (da)
NO (1) NO20071739L (da)
NZ (1) NZ553857A (da)
PT (1) PT1792462E (da)
RU (1) RU2346404C2 (da)
SG (1) SG155910A1 (da)
SI (1) SI1792462T1 (da)
WO (1) WO2006034020A1 (da)

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Also Published As

Publication number Publication date
IL181901A (en) 2011-10-31
AU2005287062A1 (en) 2006-03-30
US20060062322A1 (en) 2006-03-23
ECSP077399A (es) 2007-05-30
CN102546507B (zh) 2015-07-08
JP2012075144A (ja) 2012-04-12
EP1792462B1 (en) 2008-07-09
US7672383B2 (en) 2010-03-02
IL181901A0 (en) 2007-07-04
JP2010252362A (ja) 2010-11-04
AU2005287062C1 (en) 2010-04-29
RU2346404C2 (ru) 2009-02-10
MY142379A (en) 2010-11-30
NO20071739L (no) 2007-06-15
KR20070053349A (ko) 2007-05-23
US8126072B2 (en) 2012-02-28
KR100868834B1 (ko) 2008-11-14
JP5583652B2 (ja) 2014-09-03
SI1792462T1 (sl) 2008-12-31
AU2009243448A1 (en) 2009-12-24
CA2579512A1 (en) 2006-03-30
RU2007114295A (ru) 2008-10-27
SG155910A1 (en) 2009-10-29
PT1792462E (pt) 2008-09-22
NZ553857A (en) 2010-09-30
BRPI0515379A (pt) 2008-07-22
ATE400957T1 (de) 2008-07-15
DE602005008082D1 (de) 2008-08-21
JP2008514124A (ja) 2008-05-01
US20100054371A1 (en) 2010-03-04
CA2730327A1 (en) 2006-03-30
AU2005287062B2 (en) 2009-10-08
CA2579512C (en) 2011-11-22
WO2006034020A1 (en) 2006-03-30
EP1792462A1 (en) 2007-06-06
ES2308563T3 (es) 2008-12-01
MX2007003232A (es) 2007-05-16
CN102546507A (zh) 2012-07-04

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