Performance analysis of OFDM modulation on indoor PLC channels in the frequency band up to 210 MHz

This paper analyses the performance of Orthogonal Frequency-Division Multiplexing (OFDM) systems on indoor power line. The studied frequency band extends up to 210MHz, as specified in the upcoming International Telecommunication Union (ITU) G.hn standard for wired home networks. Four frequency bands have been considered, from 1MHz up to 30MHz, from 30MHz up to 86MHz, from 1MHz up to 86MHz and from 110MHz up to 210MHz. Conventional OFDM modulation with rectangular pulses and OFDM with pulse-shaping at the transmitter and non-rectangular window at the receiver are assessed. Bit-rates attained with both schemes are evaluated as a function of the number of carriers and the cyclic prefix length. Presented results can be used to select the most appropriate system parameters for each frequency band.

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