ATE450946T1 - Bestimmung der verbindungsqualität eines übertragungskanals in einem ofdm- übertragungssystem - Google Patents

Bestimmung der verbindungsqualität eines übertragungskanals in einem ofdm- übertragungssystem

Info

Publication number
ATE450946T1
ATE450946T1 AT01960558T AT01960558T ATE450946T1 AT E450946 T1 ATE450946 T1 AT E450946T1 AT 01960558 T AT01960558 T AT 01960558T AT 01960558 T AT01960558 T AT 01960558T AT E450946 T1 ATE450946 T1 AT E450946T1
Authority
AT
Austria
Prior art keywords
link quality
det
determination unit
ofdm
determining
Prior art date
Application number
AT01960558T
Other languages
English (en)
Inventor
Peter Schramm
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE450946T1 publication Critical patent/ATE450946T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Eye Examination Apparatus (AREA)
  • Stereophonic System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
AT01960558T 2000-07-25 2001-07-25 Bestimmung der verbindungsqualität eines übertragungskanals in einem ofdm- übertragungssystem ATE450946T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP00115037A EP1176750A1 (de) 2000-07-25 2000-07-25 Bestimmung der Verbindungsqualität eines Übertragungskanals in einem OFDM-Übertragungssystem
PCT/EP2001/008612 WO2002009343A1 (en) 2000-07-25 2001-07-25 Link quality determination of a transmission link in an ofdm transmission system

Publications (1)

Publication Number Publication Date
ATE450946T1 true ATE450946T1 (de) 2009-12-15

Family

ID=8169231

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01960558T ATE450946T1 (de) 2000-07-25 2001-07-25 Bestimmung der verbindungsqualität eines übertragungskanals in einem ofdm- übertragungssystem

Country Status (8)

Country Link
US (1) US7187646B2 (de)
EP (2) EP1176750A1 (de)
JP (1) JP2004505498A (de)
AT (1) ATE450946T1 (de)
AU (1) AU2001282025A1 (de)
DE (1) DE60140675D1 (de)
ES (1) ES2337336T3 (de)
WO (1) WO2002009343A1 (de)

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US7187646B2 (en) 2007-03-06
EP1303937A1 (de) 2003-04-23
EP1176750A1 (de) 2002-01-30
WO2002009343A1 (en) 2002-01-31
AU2001282025A1 (en) 2002-02-05
EP1303937B1 (de) 2009-12-02
JP2004505498A (ja) 2004-02-19
ES2337336T3 (es) 2010-04-23
US20020110138A1 (en) 2002-08-15
DE60140675D1 (de) 2010-01-14

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