NDLI: Performance Evaluation of CMFB Transmultiplexer for Broadband Power Line Communications under Narrowband Interference

Content Provider	IEEE Xplore Digital Library
Author	Umehara, D. Nishiyori, H. Morihiro, Y.
Copyright Year	2006
Description	Author affiliation: Graduate Sch. of Inf., Kyoto Univ. (Umehara, D.; Nishiyori, H.; Morihiro, Y.)
Abstract	Power lines are one of the most attractive communication media for access and/or in-home networks. The regulations on power line communication (PLC) may he eased in Japan and we could utilize a frequency band from 2 to 30 MHz in the future. However, this frequency band often suffers from narrowband interference caused by amplitude modulated (AM) broadcasting and/or amateur ham radio. The narrowband interference level may be much higher than the background noise if the interference source is close enough. Therefore, modulation and coding over power line channels are required to have immunity to narrowband interference. Multicarrier modulation (MCM) is expected as one of modulation methods which are robust to narrowband interference. In this paper, we investigate two MCMs, one is OFDM (orthogonal frequency division multiplexing) with windowing whose window type is a raised cosine window and the other is CMFB (cosine-modulated filter bank) based transmultiplexer, under narrowband interference environments. We compare the performances of these two MCMs over narrowband noise channels by computer simulations. As these results, we show that CMFB transmultiplexer has a better performance than OFDM with windowing under narrowband noise environments
Starting Page	50
Ending Page	55
File Size	238770
Page Count	6
File Format	PDF
ISBN	1424401135
DOI	10.1109/ISPLC.2006.247436
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-03-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Broadband communication Power line communications Narrowband OFDM modulation Working environment noise Programmable control Radiofrequency interference Amplitude modulation Radio broadcasting Ham radios
Content Type	Text
Resource Type	Article

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