RU2005112246A - Среднеквадратическая оценка критерия качества канала - Google Patents

Среднеквадратическая оценка критерия качества канала Download PDF

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Publication number
RU2005112246A
RU2005112246A RU2005112246/09A RU2005112246A RU2005112246A RU 2005112246 A RU2005112246 A RU 2005112246A RU 2005112246/09 A RU2005112246/09 A RU 2005112246/09A RU 2005112246 A RU2005112246 A RU 2005112246A RU 2005112246 A RU2005112246 A RU 2005112246A
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RU
Russia
Prior art keywords
quality indicator
link quality
communication line
assessment
estimate
Prior art date
Application number
RU2005112246/09A
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English (en)
Russian (ru)
Inventor
Джек М. ХОЛЬТЦМАН (US)
Джек М. ХОЛЬТЦМАН
Original Assignee
Квэлкомм Инкорпорейтед (US)
Квэлкомм Инкорпорейтед
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 Квэлкомм Инкорпорейтед (US), Квэлкомм Инкорпорейтед filed Critical Квэлкомм Инкорпорейтед (US)
Publication of RU2005112246A publication Critical patent/RU2005112246A/ru

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/0029Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/005Control of transmission; Equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0015Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0027Scheduling of signalling, e.g. occurrence thereof
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0033Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
    • 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
    • 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
    • H04L25/0222Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03777Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802Signalling on the reverse channel
    • 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
    • H04L25/0212Channel estimation of impulse response
    • 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
    • H04L25/024Channel estimation channel estimation algorithms
    • H04L25/025Channel 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)
RU2005112246/09A 2002-09-23 2003-09-23 Среднеквадратическая оценка критерия качества канала RU2005112246A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/254,329 2002-09-23
US10/254,329 US7209712B2 (en) 2002-09-23 2002-09-23 Mean square estimation of channel quality measure

Publications (1)

Publication Number Publication Date
RU2005112246A true RU2005112246A (ru) 2005-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2005112246/09A RU2005112246A (ru) 2002-09-23 2003-09-23 Среднеквадратическая оценка критерия качества канала

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
CA2497413A1 (en) 2004-04-01
AU2003278925B2 (en) 2009-01-15
KR100967325B1 (ko) 2010-07-05
KR20050074454A (ko) 2005-07-18
DE60311114T2 (de) 2007-07-19
US20040057394A1 (en) 2004-03-25
JP4477499B2 (ja) 2010-06-09
MXPA05003207A (es) 2005-07-05
JP2006500833A (ja) 2006-01-05
EP1764944A1 (en) 2007-03-21
BR0314674A (pt) 2005-08-09
WO2004028065A1 (en) 2004-04-01
AU2003278925A1 (en) 2004-04-08
TW200417173A (en) 2004-09-01
EP1543645B1 (en) 2007-01-10
IL167016A (en) 2010-06-16
DE60311114D1 (de) 2007-02-22
CN1689263B (zh) 2010-10-13
JP2009284514A (ja) 2009-12-03
AU2003278925C1 (en) 2009-06-11
US7209712B2 (en) 2007-04-24
EP1543645A1 (en) 2005-06-22
JP2010268470A (ja) 2010-11-25
CN1689263A (zh) 2005-10-26

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Effective date: 20060924