Pragmatic trellis coded modulation: a hardware implementation using 24-sector 8-PSK

Pragmatic trellis coded modulation: a hardware implementation using 24-sector 8-PSK

The authors present the construction and test results of a system which implements pragmatic trellis coded modulation (TCM) for rate 2/3 encoded 8-PSK (phase shift keying). Pragmatic TCM is described. This system associates each sector of a quantized phase receiver (F. Carden et al., 1988) with a pa...

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Bibliographische Detailangaben
Hauptverfasser: Ross, M.D., Osborne, W.P., Carden, F., Stolarczyk, J.L.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Bit error rate
Decoding
Gain
Hardware
Modular construction
Modulation coding
Phase modulation
Phase shift keying
System testing
Viterbi algorithm
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Zusammenfassung:The authors present the construction and test results of a system which implements pragmatic trellis coded modulation (TCM) for rate 2/3 encoded 8-PSK (phase shift keying). Pragmatic TCM is described. This system associates each sector of a quantized phase receiver (F. Carden et al., 1988) with a pair of weights to be used as soft decision inputs of the Viterbi decoder. This system approaches 3 dB of coding gain at bit error rates of 10/sup -5/ and less.< >
DOI:10.1109/ICC.1992.268026