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Maximum-likelihood block decoding of noncoherent coded FSK for the CENELEC band

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2 Author(s)
Mengi, A. ; Inst. for Exp. Math., Duisburg-Essen Univ., Essen ; Vinck, A.J.H.

This paper addresses low frequency range power line communications (PLC), where the transmitters are output voltage and bandwidth limited. We investigate the block decoding of coded non-coherent 2-FSK modulation for the transmission over the impulsive noise channel with narrow band interference. The maximum-likelihood (ML) receiver is analyzed and suboptimum decoding algorithms improving the bit error rate performance are derived. Furthermore, an efficient transmission method of combining Reed Solomon (RS) coding with run length limited (RLL) codes is incorporated to obtain coding gain without expanding the bandwidth. Simulation results show the improved performance of the proposed RS-RLL scheme. Our coding/modulation scheme is in agreement with the existing CENELEC standard.

Published in:

Power Line Communications and Its Applications, 2008. ISPLC 2008. IEEE International Symposium on

Date of Conference:

2-4 April 2008