ATE400957T1 - Rauschvarianzschätzung bei drahtloser kommunikation für diversitätskombination und log- wahrscheinlichkeitsskalierung - Google Patents

Rauschvarianzschätzung bei drahtloser kommunikation für diversitätskombination und log- wahrscheinlichkeitsskalierung

Info

Publication number
ATE400957T1
ATE400957T1 AT05797433T AT05797433T ATE400957T1 AT E400957 T1 ATE400957 T1 AT E400957T1 AT 05797433 T AT05797433 T AT 05797433T AT 05797433 T AT05797433 T AT 05797433T AT E400957 T1 ATE400957 T1 AT E400957T1
Authority
AT
Austria
Prior art keywords
wireless communications
noise variance
variance estimation
log probability
diversity combination
Prior art date
Application number
AT05797433T
Other languages
English (en)
Inventor
June Namgoong
Hao Xu
Peter J Black
Srikant Jayaraman
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 ATE400957T1 publication Critical patent/ATE400957T1/de

Links

Classifications

    • 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
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04L25/021—Estimation of channel covariance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements 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)
AT05797433T 2004-09-17 2005-09-16 Rauschvarianzschätzung bei drahtloser kommunikation für diversitätskombination und log- wahrscheinlichkeitsskalierung ATE400957T1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ATE400957T1 true ATE400957T1 (de) 2008-07-15

Family

ID=35519776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05797433T ATE400957T1 (de) 2004-09-17 2005-09-16 Rauschvarianzschätzung bei drahtloser kommunikation für diversitätskombination und log- wahrscheinlichkeitsskalierung

Country Status (23)

Country Link
US (2) US7672383B2 (de)
EP (1) EP1792462B1 (de)
JP (3) JP2008514124A (de)
KR (1) KR100868834B1 (de)
CN (1) CN102546507B (de)
AT (1) ATE400957T1 (de)
AU (2) AU2005287062C1 (de)
BR (1) BRPI0515379A (de)
CA (2) CA2579512C (de)
DE (1) DE602005008082D1 (de)
DK (1) DK1792462T3 (de)
EC (1) ECSP077399A (de)
ES (1) ES2308563T3 (de)
IL (1) IL181901A (de)
MX (1) MX2007003232A (de)
MY (1) MY142379A (de)
NO (1) NO20071739L (de)
NZ (1) NZ553857A (de)
PT (1) PT1792462E (de)
RU (1) RU2346404C2 (de)
SG (1) SG155910A1 (de)
SI (1) SI1792462T1 (de)
WO (1) WO2006034020A1 (de)

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Also Published As

Publication number Publication date
US7672383B2 (en) 2010-03-02
CA2730327A1 (en) 2006-03-30
CA2579512C (en) 2011-11-22
NZ553857A (en) 2010-09-30
DK1792462T3 (da) 2008-11-03
AU2005287062A1 (en) 2006-03-30
KR100868834B1 (ko) 2008-11-14
ES2308563T3 (es) 2008-12-01
CA2579512A1 (en) 2006-03-30
IL181901A (en) 2011-10-31
DE602005008082D1 (de) 2008-08-21
IL181901A0 (en) 2007-07-04
WO2006034020A1 (en) 2006-03-30
US20060062322A1 (en) 2006-03-23
PT1792462E (pt) 2008-09-22
JP2010252362A (ja) 2010-11-04
BRPI0515379A (pt) 2008-07-22
JP5583652B2 (ja) 2014-09-03
US8126072B2 (en) 2012-02-28
JP2012075144A (ja) 2012-04-12
AU2005287062B2 (en) 2009-10-08
MX2007003232A (es) 2007-05-16
EP1792462B1 (de) 2008-07-09
JP2008514124A (ja) 2008-05-01
RU2346404C2 (ru) 2009-02-10
CN102546507B (zh) 2015-07-08
SI1792462T1 (sl) 2008-12-31
NO20071739L (no) 2007-06-15
AU2005287062C1 (en) 2010-04-29
EP1792462A1 (de) 2007-06-06
AU2009243448A1 (en) 2009-12-24
MY142379A (en) 2010-11-30
KR20070053349A (ko) 2007-05-23
SG155910A1 (en) 2009-10-29
US20100054371A1 (en) 2010-03-04
CN102546507A (zh) 2012-07-04
RU2007114295A (ru) 2008-10-27
ECSP077399A (es) 2007-05-30

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