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In this article, we investigate the Shannon capacity for L-branch maximal combining ratio (MRC) over generalized multipath fading channel. We derive closed-form expressions of the maximal spectral efficiency over Rayleigh, Rician, Nakagami-m, and Weibull multipath fading channel under flat fading conditions. The results are expressed in terms of Meijer G-functions, which can be evaluated numerically...
Genetic algorithms have been used successfully for solving different combinatorial optimization problems. We give here an efficient algorithm for the search of good double-circulant codes. The algorithm presented is intended to generate a double-circulant code with maximum minimum distance for each length. Some results are presented and validated by exact method, others promising results are also...
In this paper we present an efficient new soft-decision decoding algorithm suitable to be applied to any binary cyclic codes. The idea behind our decoding algorithm is the exploitation of the cyclic property available on the most popular linear block codes which are cyclic codes. Numerical results for the proposed algorithm are presented; the plotted curves show that the performances of our decoder...
A multiple-input-multiple-output (MIMO) system using Space-Time Block Coding (STBC) techniques can be implemented to improve the capacity of a wireless link. The optimal decoder used the maximum likelihood(ML). But as the number of the antennas in the system and the data rates increase, the ML detector becomes too complex to use. The detectors the least complex and efficient are Zero-Forcing(ZF),...
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