Multiuser demodulation and iterative decoding for frequency-hopped networks.

Demodulation and decoding for frequency-hopped spread-spectrum multiple-access (FH/SSMA) systems have been traditionally conducted by conventional single-user (noncollaborative) demodulation and error- and erasure-correcting decoding techniques. In this paper, we study the demodulation and decoding...

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Publicat a:	IEEE Transactions on communications 49, 8 (2001).
Autor principal:	Sharma, N.
Format:	Article
Idioma:	English
Matèries:	FH/SSMA. M-ary frequency-shift keying modulation. Reed-Solomon codes. Additive white Gaussian noise channels. Asynchronous frequency-hop systems. Collaborative multiuser reception. Flat Rayleigh fading channels. Frequency-hopped networks. Frequency-hopped spread-spectrum multiple-access systems. Hard-decision minimum distance decoding. Iterative decoding. Likelihood ratio tests. Maximum a priori probability demodulation. Multiple symbols. Multiuser demodulation. Noncoherent demodulation. Synchronous frequency-hop systems.