Method of hybrid soft/hard decision demodulation of signals...

Details Method of hybrid soft/hard decision demodulation of signals... Method of hybrid soft/hard decision demodulation of signals...

2005-12-20

2005-12-20

Fan, Chieh M. (Department: 2638)

Pulse or digital communications

Receivers

Angle modulation

C341S079000

Reexamination Certificate

active

06977972

ABSTRACT:
The performance of forward error correction decoders for digital communication systems can be improved if soft information relating the reliability of the value representing the demodulated signal is provided to the decoder with a value for the signal. On the other hand, soft information increases the quantity of information that must be processed, increasing the cost and complexity of the decoder.

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A. Viterbi et al., “Performance of Power-Controlled Wideband Terrestrial Digital Communication”, IEEE Transactions on Communications, vol. 41, No. 4, Apr. 1993, p. 559-569.
Le Goff et al., Turbo-codes and High Spectral Efficiency Modulation, Proc. of ICC, IEEE, 1994, p. 645-649.

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