DE602004020154D1 - Adaptive Modulation und Kodierung - Google Patents

Adaptive Modulation und Kodierung

Info

Publication number
DE602004020154D1
DE602004020154D1 DE602004020154T DE602004020154T DE602004020154D1 DE 602004020154 D1 DE602004020154 D1 DE 602004020154D1 DE 602004020154 T DE602004020154 T DE 602004020154T DE 602004020154 T DE602004020154 T DE 602004020154T DE 602004020154 D1 DE602004020154 D1 DE 602004020154D1
Authority
DE
Germany
Prior art keywords
coding
adaptive modulation
adaptive
modulation
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.)
Active
Application number
DE602004020154T
Other languages
English (en)
Inventor
Yassin Aden Awad
Sunil Keshavji Vadgama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602004020154D1 publication Critical patent/DE602004020154D1/de
Anticipated expiration legal-status Critical
Active legal-status Critical Current

Links

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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0019—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach
    • H04L1/0021—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy in which mode-switching is based on a statistical approach in which the algorithm uses adaptive thresholds
    • 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
    • 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
    • H04L1/203—Details of error rate determination, e.g. BER, FER or WER

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
DE602004020154T 2003-07-31 2004-07-22 Adaptive Modulation und Kodierung Active DE602004020154D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0317968A GB2404539B (en) 2003-07-31 2003-07-31 Adaptive modulation and coding

Publications (1)

Publication Number Publication Date
DE602004020154D1 true DE602004020154D1 (de) 2009-05-07

Family

ID=27799579

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004020154T Active DE602004020154D1 (de) 2003-07-31 2004-07-22 Adaptive Modulation und Kodierung

Country Status (5)

Country Link
US (1) US7590181B2 (de)
EP (1) EP1505756B1 (de)
JP (1) JP2005057758A (de)
DE (1) DE602004020154D1 (de)
GB (1) GB2404539B (de)

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Also Published As

Publication number Publication date
GB0317968D0 (en) 2003-09-03
EP1505756A2 (de) 2005-02-09
EP1505756A3 (de) 2005-08-03
GB2404539B (en) 2006-06-14
JP2005057758A (ja) 2005-03-03
US7590181B2 (en) 2009-09-15
US20050025254A1 (en) 2005-02-03
EP1505756B1 (de) 2009-03-25
GB2404539A (en) 2005-02-02

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