In this paper, the achievable performance of a turbo coded system adapted to a block fading channel model is evaluated. This model is suitable for analyzing, for instance, frequency-hopped multiple access (FHMA) systems that operate in a mobile satellite environment characterized by frequency-nonselective slow Rician fading, provided that the spacing between carriers is larger than the coherence bandwidth, resulting in basically uncorrelated blocks. In such systems, coded information is transmitted over a small number of fading channels in order to achieve diversity. The best coded information allocations over a certain number of fading channels are evaluated. Bounds on the achievable performance due to coding are derived using information-theoretic techniques. Moreover, simulation results are obtained and compared with the theoretical ones

Turbo coded diversity system for mobile satellite communications / F., Babich; Montorsi, Guido; F., Vatta. - 2:(2002), pp. 2855-2859. (Intervento presentato al convegno Global Telecommunications Conference 2002. GLOBECOM '02. IEEE nel 17-21 Nov 2002) [10.1109/GLOCOM.2002.1189151].

Turbo coded diversity system for mobile satellite communications

MONTORSI, Guido;
2002

Abstract

In this paper, the achievable performance of a turbo coded system adapted to a block fading channel model is evaluated. This model is suitable for analyzing, for instance, frequency-hopped multiple access (FHMA) systems that operate in a mobile satellite environment characterized by frequency-nonselective slow Rician fading, provided that the spacing between carriers is larger than the coherence bandwidth, resulting in basically uncorrelated blocks. In such systems, coded information is transmitted over a small number of fading channels in order to achieve diversity. The best coded information allocations over a certain number of fading channels are evaluated. Bounds on the achievable performance due to coding are derived using information-theoretic techniques. Moreover, simulation results are obtained and compared with the theoretical ones
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/1414282
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