SG155910A1 - Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling - Google Patents

Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling

Info

Publication number
SG155910A1
SG155910A1 SG200906058-3A SG2009060583A SG155910A1 SG 155910 A1 SG155910 A1 SG 155910A1 SG 2009060583 A SG2009060583 A SG 2009060583A SG 155910 A1 SG155910 A1 SG 155910A1
Authority
SG
Singapore
Prior art keywords
band
tones
noise variance
wireless communications
log
Prior art date
Application number
SG200906058-3A
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
Publication of SG155910A1 publication Critical patent/SG155910A1/en

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)
SG200906058-3A 2004-09-17 2005-09-16 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling SG155910A1 (en)

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
SG155910A1 true SG155910A1 (en) 2009-10-29

Family

ID=35519776

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200906058-3A SG155910A1 (en) 2004-09-17 2005-09-16 Noise variance estimation in wireless communications for diversity combining and log-likelihood scaling

Country Status (23)

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

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Also Published As

Publication number Publication date
ES2308563T3 (es) 2008-12-01
CA2730327A1 (fr) 2006-03-30
ECSP077399A (es) 2007-05-30
JP2010252362A (ja) 2010-11-04
SI1792462T1 (sl) 2008-12-31
US8126072B2 (en) 2012-02-28
US7672383B2 (en) 2010-03-02
MY142379A (en) 2010-11-30
JP2008514124A (ja) 2008-05-01
MX2007003232A (es) 2007-05-16
AU2005287062B2 (en) 2009-10-08
PT1792462E (pt) 2008-09-22
CA2579512C (fr) 2011-11-22
CN102546507A (zh) 2012-07-04
CA2579512A1 (fr) 2006-03-30
CN102546507B (zh) 2015-07-08
ATE400957T1 (de) 2008-07-15
WO2006034020A1 (fr) 2006-03-30
JP2012075144A (ja) 2012-04-12
KR100868834B1 (ko) 2008-11-14
US20100054371A1 (en) 2010-03-04
KR20070053349A (ko) 2007-05-23
DK1792462T3 (da) 2008-11-03
AU2005287062C1 (en) 2010-04-29
RU2346404C2 (ru) 2009-02-10
EP1792462A1 (fr) 2007-06-06
US20060062322A1 (en) 2006-03-23
NO20071739L (no) 2007-06-15
EP1792462B1 (fr) 2008-07-09
AU2009243448A1 (en) 2009-12-24
IL181901A0 (en) 2007-07-04
BRPI0515379A (pt) 2008-07-22
JP5583652B2 (ja) 2014-09-03
AU2005287062A1 (en) 2006-03-30
NZ553857A (en) 2010-09-30
IL181901A (en) 2011-10-31
DE602005008082D1 (de) 2008-08-21
RU2007114295A (ru) 2008-10-27

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