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An Adaptive Receiver for Power-Line Communications with the Estimation of Instantaneous Noise Power
Yuichi HIRAYAMA Hiraku OKADA Takaya YAMAZATO Masaaki KATAYAMA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2005/03/01
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Spread Spectrum Technologies and Applications
non-stationary noise, noise power estimation, MAP and adaptive receiver,
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The noise on power-lines is non-stationary, while the instantaneous noise power in different frequency bands are dependent. Under such noise environments, the instantaneous noise power in a frequency band can be estimated by observing the noise in other frequency bands. In this paper, we propose a receiver structure which uses the estimated instantaneous noise power in the decoding process and show its superiority in BER performance to conventional systems.