Novel techniques of single-carrier frequency-domain equalization for optical wireless communications

Document Type

Article

Publication Date

2-3-2011

Abstract

We investigate the use of single carrier frequency domain equalization (SCFDE) over a diffuse optical wireless (DOW) communications. Recently orthogonal frequency division multiplexing (OFDM) has been applied to DOW communications. However, due to high peak-to-average power ratio (PAPR), the performance of OFDM can severely be affected by the nonlinear characteristics of light emitting diodes (LED). To avoid a PAPR problem, we present in this paper a modified form of SCFDE for DOW communications. We propose three different ways of using SCFDE with DOW communications and show that they exhibit lower PAPR and provide better bit-error rate (BER) performance in the presence of the LED nonlinearity. © 2011 Kodzovi Acolatse et al.

Identifier

79251611139 (Scopus)

Publication Title

Eurasip Journal on Advances in Signal Processing

External Full Text Location

https://doi.org/10.1155/2011/393768

e-ISSN

16876180

ISSN

16876172

Volume

2011

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