Multitone modulation and demodulation for channels with SNR uncertainty

A multitone transmission scheme that uses a nonlinear binary code to specify multitone signal constellations is proposed and motivated. A technique for designing the nonlinear code is presented, and methods for making symbol decisions and erasures without knowledge of signal and noise strength param...

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Veröffentlicht in:Proceedings 1995 IEEE International Symposium on Information Theory S. 398
Hauptverfasser: Baum, C.W., Conner, K.F.
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 1995
Schlagworte:
Additive white noise
Binary codes
Constellation diagram
Decoding
Demodulation
Error correction
Gaussian noise
Reed-Solomon codes
Signal design
Signal to noise ratio
ISBN:0780324536, 9780780324534
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Zusammenfassung:A multitone transmission scheme that uses a nonlinear binary code to specify multitone signal constellations is proposed and motivated. A technique for designing the nonlinear code is presented, and methods for making symbol decisions and erasures without knowledge of signal and noise strength parameters are given. The performance of a system using this scheme with Reed-Solomon error control coding is discussed. Additionally, we show that incorporation of errors-and-erasures decoding provides significant performance improvements in channels subject to AWGN and Rayleigh fading.
ISBN:0780324536
9780780324534
DOI:10.1109/ISIT.1995.550385