Modeling of Power Line Communications for Indoor System Using MIMO coding scheme
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 12
Abstract
The need to study broadband Power Line Communications (PLC) for indoor use is becoming essential with the spread of broadband technologies. This paper aims at modeling the broadband PLC channel based on indoor applications considering multipath fading andusing Multiple Input Multiple Output (MIMO) coding technique with its channel estimation to achieve better performance. In particular, the BER performance using the FIR filter model and the Rayleigh fading model for the PLC channel is evaluated and compared. The performance of orthogonal space-time block code (OSTBC) with code rates 1, ½ and ¾ with BPSK modulation in an indoor PLC channel corrupted with impulsive, narrowband and background noises is presented. The effect of increasing space-time diversity as a means to overcome the hostile nature of the PLC channel is also investigated. Moreover, the improvement in BER performance and throughput with less complex coding is shown as compared to previous works. The simulations have been carried out usingthe MATLAB environment. IndexTerms:Power Line Communications, Multiple Input Multiple Output, Multipath Rayleigh Fading Channel, Channel estimation.
Authors and Affiliations
Bhimsen Rajkumar singh, Noorianah Lollmahamod
Keywords
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