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IEICE TRANSACTIONS on Communications

Open Access
Enhanced Selected Mapping for Impulsive Noise Blanking in Multi-Carrier Power-Line Communication Systems

Tomoya KAGEYAMA, Osamu MUTA, Haris GACANIN

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Summary :

In this paper, we propose an enhanced selected mapping (e-SLM) technique to improve the performance of OFDM-PLC systems under impulsive noise. At the transmitter, the best transmit sequence is selected from among possible candidates so as to minimize the weighted sum of transmit signal peak power and the estimated receive one, where the received signal peak power is estimated at the transmitter using channel state information (CSI). At the receiver, a nonlinear blanking is applied to hold the impulsive noise under a given threshold, where impulsive noise detection accuracy is improved by the proposed e-SLM. We evaluate the probability of false alarms raised by impulsive noise detection and bit error rate (BER) of OFDM-PLC system using the proposed e-SLM. The results show the effectiveness of the proposed method in OFDM-PLC system compared with the conventional blanking technique.

Publication
IEICE TRANSACTIONS on Communications Vol.E102-B No.11 pp.2174-2182
Publication Date
2019/11/01
Publicized
2019/05/16
Online ISSN
1745-1345
DOI
10.1587/transcom.2019EBP3081
Type of Manuscript
PAPER
Category
Wireless Communication Technologies

Authors

Tomoya KAGEYAMA
  Kyushu University
Osamu MUTA
  Kyushu University
Haris GACANIN
  Nokia Bell Labs

Keyword