Nonlinear decision feedback estimation for multicarrier power line communication

Author

Tucci, Mauro ; Raugi, Marco ; Musolino, Antonino ; Barmada, Sami

fYear

2008

fDate

2-4 April 2008

Firstpage

176

Lastpage

181

Abstract

This paper presents a nonlinear decision feedback channel estimation technique for Discrete Multi Tone (DMT) transmission in broadband indoor powerline communications (PLC). The estimation is carried out in a decision directed mode and the decisions are made using a modified self organizing map (SOM) classifier. The performance of the proposed method is evaluated through simulations over measured power line channels. It is shown that when nonlinearities at the transmitted signal are significant, a nonlinear decision feedback at the receiver improve the symbol error rate (SER).

Keywords

OFDM modulation; broadband networks; carrier transmission on power lines; channel estimation; indoor communication; nonlinear distortion; pattern classification; self-organising feature maps; telecommunication computing; OFDM signal; broadband indoor powerline communication; discrete multitone transmission; multicarrier power line communication; nonlinear decision feedback channel estimation technique; nonlinear distortion; power line channel; self organizing map classifier; symbol error rate; Additive noise; Constellation diagram; Feedback; Noise shaping; Nonlinear distortion; OFDM; Peak to average power ratio; Power line communications; Programmable control; Radio transmitters; Nonlinear HPA; Orthogonal Frequency Division Multiplexing; decision directed estimation; self organizing maps (SOM);

fLanguage

English

Publisher

ieee

Conference_Titel

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

Conference_Location

Jeju city, Jeju Island

Print_ISBN

978-1-4244-1975-3

Electronic_ISBN

978-1-4244-1976-0

Type

conf

DOI

10.1109/ISPLC.2008.4510419

Filename

4510419