DE60311114T2 - Mittelwertquadratschätzung der kanalqualitätsmessung - Google Patents

Mittelwertquadratschätzung der kanalqualitätsmessung Download PDF

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Publication number
DE60311114T2
DE60311114T2 DE60311114T DE60311114T DE60311114T2 DE 60311114 T2 DE60311114 T2 DE 60311114T2 DE 60311114 T DE60311114 T DE 60311114T DE 60311114 T DE60311114 T DE 60311114T DE 60311114 T2 DE60311114 T2 DE 60311114T2
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DE
Germany
Prior art keywords
estimate
quality indicator
link quality
mean square
received
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
DE60311114T
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German (de)
English (en)
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DE60311114D1 (de
Inventor
Jack M. San Diego HOLTZMAN
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Qualcomm Inc
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Qualcomm Inc
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Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of DE60311114D1 publication Critical patent/DE60311114D1/de
Application granted granted Critical
Publication of DE60311114T2 publication Critical patent/DE60311114T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • 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
    • 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
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • 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
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE60311114T 2002-09-23 2003-09-23 Mittelwertquadratschätzung der kanalqualitätsmessung Expired - Lifetime DE60311114T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US254329 1988-10-06
US10/254,329 US7209712B2 (en) 2002-09-23 2002-09-23 Mean square estimation of channel quality measure
PCT/US2003/030221 WO2004028065A1 (en) 2002-09-23 2003-09-23 Mean square estimation of channel quality measure

Publications (2)

Publication Number Publication Date
DE60311114D1 DE60311114D1 (de) 2007-02-22
DE60311114T2 true DE60311114T2 (de) 2007-07-19

Family

ID=31993338

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60311114T Expired - Lifetime DE60311114T2 (de) 2002-09-23 2003-09-23 Mittelwertquadratschätzung der kanalqualitätsmessung

Country Status (14)

Country Link
US (1) US7209712B2 (enExample)
EP (2) EP1543645B1 (enExample)
JP (3) JP4477499B2 (enExample)
KR (1) KR100967325B1 (enExample)
CN (1) CN1689263B (enExample)
AU (1) AU2003278925C1 (enExample)
BR (1) BR0314674A (enExample)
CA (1) CA2497413A1 (enExample)
DE (1) DE60311114T2 (enExample)
IL (1) IL167016A (enExample)
MX (1) MXPA05003207A (enExample)
RU (1) RU2005112246A (enExample)
TW (1) TW200417173A (enExample)
WO (1) WO2004028065A1 (enExample)

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Also Published As

Publication number Publication date
DE60311114D1 (de) 2007-02-22
JP4477499B2 (ja) 2010-06-09
EP1764944A1 (en) 2007-03-21
IL167016A (en) 2010-06-16
JP2010268470A (ja) 2010-11-25
CN1689263B (zh) 2010-10-13
TW200417173A (en) 2004-09-01
AU2003278925A1 (en) 2004-04-08
RU2005112246A (ru) 2005-09-20
JP2009284514A (ja) 2009-12-03
EP1543645B1 (en) 2007-01-10
EP1543645A1 (en) 2005-06-22
KR100967325B1 (ko) 2010-07-05
US20040057394A1 (en) 2004-03-25
US7209712B2 (en) 2007-04-24
AU2003278925B2 (en) 2009-01-15
CA2497413A1 (en) 2004-04-01
KR20050074454A (ko) 2005-07-18
BR0314674A (pt) 2005-08-09
WO2004028065A1 (en) 2004-04-01
JP2006500833A (ja) 2006-01-05
CN1689263A (zh) 2005-10-26
AU2003278925C1 (en) 2009-06-11
MXPA05003207A (es) 2005-07-05

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