Códigos Espacios Temporales Con Diversidad Óptima Y Velocidad Máxima Para Canal De Línea Eléctrica Trifásica De Bajo Voltaje (Space-Time Codes With Optimal Diversity And Maximum Rate For Powerline Channel Of Low Voltage Three-Phase)

Washington Alfonso Fernández Ravanales (wfernand@ubiobio.cl)

Universidad del Bío Bío
This paper appears in: Revista IEEE América Latina

Publication Date: June 2012
Volume: 10,   Issue: 4 
ISSN: 1548-0992

It proposed a transmission and reception system for powerline channel of low voltage three-phase, with space-time technique. The design codes space-time have restrictions of code rate equal to one, with optimal diversity and low decoding complexity. The codes are not orthogonal, the constellation that is used rectangular, circular and hexagonal of sixteen symbols. The performance parameter is the probability of symbol error versus signal to noise ratio. According to the results obtained codes designed a very good performance compared when not using the space-time codes on a channel as adverse as a background white noise, impulse noise and fast fading Rayleigh.

Index Terms:
Space-time code: space-time code non orthogonal, space-time code complex non orthogonal, constellation rectangular, circular and hexagonal, powerline channel of Low voltage three-phase   

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