Method for measuring radio channel quality and related...

Details Method for measuring radio channel quality and related... Method for measuring radio channel quality and related...

2007-07-26

2010-11-30

Bost, Dwayne D (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S067110, C455S067130, C455S423000, C370S332000, C375S224000, C375S228000, C375S240270, C375S243000, C375S359000, C375S362000, C375S365000, C375S366000, C375S367000, C375S368000

Reexamination Certificate

active

07844279

ABSTRACT:
The present invention relates to a method for measuring radio channel quality in a radio communication system. In the method a modulated signal is received over a communication channel. The modulated signal has been modulated by using modulation parameters. A decoder decodes (305) the modulated signal and forms decoded data. The decoder creates (306) a decoder performance indicator (PS) that depends on the decoded data. Then a radio channel quality indicator (RCQI) is created, the radio channel quality indicator being essentially independent of the modulation parameters.

REFERENCES:
patent: 0 865 176 (1998-09-01), None
patent: WO 96/26583 (1996-08-01), None
patent: WO 99/46883 (1999-09-01), None
Koralek, et al., “Viterbi Decoder Synchronization and Ber Measurement Using Metric Values,” University of Illinois, p. 354-363, Oct. 4, 1978. XP 000613183.
A.B. Carlson, “Communication Systems, Third Edition,” MacGraw Hill Book Company, p. 536 and 552-554, 1986. XP-002407511.
Berrou et al., “Pseudo-syndrome Method for Supervising Viterbi Decoders at any Coding Rate,” Electronics Letters, IEE, vol. 30, No. 13, p. 1036-1037, Jun. 23, 1994.
Yang et al., “An Investigation of and a Proposal for Handover Decision-Making in DVB-H,” School of Engineering and Design, Brunel University, Uxbridge, Middlesex, United Kingdom, p. 1-5, Jun. 19, 2005. XP-002999199.

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