DK0587620T3 - Radiosystem - Google Patents

Radiosystem

Info

Publication number
DK0587620T3
DK0587620T3 DK92910845T DK92910845T DK0587620T3 DK 0587620 T3 DK0587620 T3 DK 0587620T3 DK 92910845 T DK92910845 T DK 92910845T DK 92910845 T DK92910845 T DK 92910845T DK 0587620 T3 DK0587620 T3 DK 0587620T3
Authority
DK
Denmark
Prior art keywords
pct
signal
sec
quality
date
Prior art date
Application number
DK92910845T
Other languages
Danish (da)
English (en)
Inventor
William Timothy Webb
Original Assignee
British Telecomm
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
Priority claimed from GB919111856A external-priority patent/GB9111856D0/en
Priority claimed from GB919114556A external-priority patent/GB9114556D0/en
Application filed by British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of DK0587620T3 publication Critical patent/DK0587620T3/da

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
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • 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
    • H04L1/0025—Transmission of mode-switching 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
    • H04L1/20—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
    • H04L1/0001—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
DK92910845T 1991-06-03 1992-06-02 Radiosystem DK0587620T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919111856A GB9111856D0 (en) 1991-06-03 1991-06-03 Variable rate qam for data transmission over mobile radio channels
GB919114556A GB9114556D0 (en) 1991-07-05 1991-07-05 Variable level qam
PCT/GB1992/000988 WO1992022162A1 (fr) 1991-06-03 1992-06-02 Systeme de modulation d'amplitude en quadrature dans lequel la constellation est modifiee en fonction de la qualite du canal

Publications (1)

Publication Number Publication Date
DK0587620T3 true DK0587620T3 (da) 1998-09-07

Family

ID=26298993

Family Applications (1)

Application Number Title Priority Date Filing Date
DK92910845T DK0587620T3 (da) 1991-06-03 1992-06-02 Radiosystem

Country Status (12)

Country Link
US (1) US5828695A (fr)
EP (1) EP0587620B1 (fr)
JP (1) JP3193378B2 (fr)
AT (1) ATE162035T1 (fr)
AU (1) AU656972B2 (fr)
CA (1) CA2110578C (fr)
DE (1) DE69223961T2 (fr)
DK (1) DK0587620T3 (fr)
ES (1) ES2112318T3 (fr)
HK (1) HK1008162A1 (fr)
SG (1) SG47627A1 (fr)
WO (1) WO1992022162A1 (fr)

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JP3193378B2 (ja) 2001-07-30
WO1992022162A1 (fr) 1992-12-10
ES2112318T3 (es) 1998-04-01
JPH06507763A (ja) 1994-09-01
EP0587620B1 (fr) 1998-01-07
AU656972B2 (en) 1995-02-23
US5828695A (en) 1998-10-27
EP0587620A1 (fr) 1994-03-23
ATE162035T1 (de) 1998-01-15
CA2110578C (fr) 1999-04-27
HK1008162A1 (en) 1999-04-30
AU1772492A (en) 1993-01-08
SG47627A1 (en) 1998-04-17
DE69223961T2 (de) 1998-07-30
DE69223961D1 (de) 1998-02-12
CA2110578A1 (fr) 1992-12-10

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