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63619

Performance Enhancement of Optical Wireless OFDM Communication

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Last updated: 25 Dec 2024

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Abstract

Optical wireless Communication (OWC) is an optical radiation for data transmission through free space, and it can be operated indoor and outdoor. Asymmetrically clipped DC-biased Optical OFDM (ADO-OFDM) is a type of indoor OWC based OFDM.A conventional asymmetrically clipping optical (ACO)-OFDM is applied to modulate odd subcarriers while even subcarriers are modulated by a novel technique called DC-biased optical OFDM (DCO-OFDM). ADO has better optical power performance than conventional ACO-OFDM and DCO-OFDM methods. The main drawback of ADO is the clipping noise which falls just on the even subcarriers. So, in this paper convolutional and turbo coding techniques are investigated to improve the error performance of ADO-OFDM system over Additive White Gaussian Noise (AWGN) and diffuse channel. Simulation results show that the proposed coded ADO-OFDM using convolutional and turbo coding techniques achieve significantly lower bit error rate (BER) compared to the uncoded ADO-OFDM. In addition, turbo coded ADO-OFDM gives the best BER performance.

DOI

10.21608/mjeer.2017.63619

Authors

First Name

Muhammed A.

Last Name

Eltoukhi

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Affiliation

Dept. of electronics and comm. Engineering, Delta Academy of Engineering and Technology, Mansoura, Egypt

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First Name

Mohammed

Last Name

Abd-Elnaby

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Affiliation

Dept. of electronics and comm. Engineering, Faculty of Elect., Eng., Menoufia University, Egypt.

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First Name

Sami A.

Last Name

El-Dolil

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Affiliation

Dept. of electronics and comm. Engineering, Faculty of Elect., Eng., Menoufia University, Egypt.

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First Name

Fathi Abd

Last Name

El-Samie

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-

Affiliation

Dept. of electronics and comm. Engineering, Faculty of Elect., Eng., Menoufia University, Egypt

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Volume

26

Article Issue

2

Related Issue

9503

Issue Date

2017-07-01

Receive Date

2016-01-26

Publish Date

2017-07-01

Page Start

461

Page End

478

Print ISSN

1687-1189

Online ISSN

2682-3535

Link

https://mjeer.journals.ekb.eg/article_63619.html

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https://mjeer.journals.ekb.eg/service?article_code=63619

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Original Article

Type Code

1,088

Publication Type

Journal

Publication Title

Menoufia Journal of Electronic Engineering Research

Publication Link

https://mjeer.journals.ekb.eg/

MainTitle

Performance Enhancement of Optical Wireless OFDM Communication

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Article

Created At

22 Jan 2023