2014/03/05 by Nir Shlezinger, Shlezinger, Nir, Ron Dabora +1
Engineering · Computer Science · #Power Line Communications and Noise #PAPR reduction in OFDM #Wireless Communication Networks Research
paper · pdf · doi:10.48550/arxiv.1403.1061
Power line communications (PLC) has been drawing considerable interest in\nrecent years due to the growing interest in smart grid implementation.\nSpecifically, network control and grid applications are allocated the frequency\nband of 0-500 kHz, commonly referred to as the narrowband PLC channel. This\nfrequency band is characterized by strong periodic noise which results in low\nsignal to noise ratio (SNR). In this work we propose a receiver which uses\nfrequency shift filtering to exploit the cyclostationary properties of both the\nnarrowband power line noise, as well as the information signal, digitally\nmodulated using orthogonal frequency division multiplexing. An adaptive\nimplementation for the proposed receiver is presented as well. The proposed\nreceiver is compared to existing receivers via analysis and simulation. The\nresults show that the receiver proposed in this work obtains a substantial\nperformance gain over previously proposed receivers, without requiring any\ncoordination with the transmitter.\n