A Simplified Soft Decision Demapping Algorithm of 16-APSK Signals in AWGN Channels

This paper proposes a novel soft decision demapping algorithm of 16-Amplitude Phase Shift Keying (16-APSK) signals in AWGN channels. The proposed algorithm has a lower complexity compared with the well-known Log-Max algorithm. Numerical results show that the proposed algorithm degrades little in BER...

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Bibliographische Detailangaben
Hauptverfasser:	Enxin Yao, Shuai Yang, Wei Jiang
Format:	Tagungsbericht
Sprache:	eng ; jpn
Schlagworte:	16-APSK AWGN channels Bit error rate Computational complexity Computational modeling Decoding Degradation Digital video broadcasting LDPC Modulation coding Parity check codes Phase shift keying simplified algorithm soft decision
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Beschreibung
Zusammenfassung:	This paper proposes a novel soft decision demapping algorithm of 16-Amplitude Phase Shift Keying (16-APSK) signals in AWGN channels. The proposed algorithm has a lower complexity compared with the well-known Log-Max algorithm. Numerical results show that the proposed algorithm degrades little in BER performance when it is implemented with Low Density Parity Check (LDPC) codes.
DOI:	10.1109/NSWCTC.2010.32