Performance Enhancement for Unipolar OFDMbased Optical Wireless Communication Systems | ||
| Menoufia Journal of Electronic Engineering Research | ||
| Article 9, Volume 27, Issue 1, January 2018, Pages 151-174 | ||
| Document Type: Original Article | ||
| DOI: 10.21608/mjeer.2018.64521 | ||
| Authors | ||
| Safie El-Din Nasr Mohamed1; Abd El-Naser A. Mohamed2; Fathi E. Abd El-Samie2; Ahmed Nabih Zaki Rashed3 | ||
| 1* Dept. of Electronics and Electrical Communications, Faculty of Engineering, Menoufia University. | ||
| 2Dept. of Electronics and Electrical Communications, Faculty of Engineering, Menoufia University. | ||
| 3Dept. of Electronics and Electrical Communications, Faculty of Engineering, Menoufia University | ||
| Abstract | ||
| Optical wireless communication (OWC) is one of the leading technologies nowadays, especially with the limited-band shortage of radio frequency communication. OWC offers high data transmission, free wide bandwidth with high data security. Data transmission within the diffused indoor OWC systems at high speed will extend the channel impulse response over other symbol periods with many reflections causing an interference called inter-symbol interference (ISI). This interference distorts the transmitted data symbols and affects the signal recovery at the receiver side. This paper studies the performance enhancement for OWC systems over a ceiling bounce channel considering a hamming error coding model for unipolar OFDMbased optical communication system with the use of equalization to mitigate and reduce the degradation effects of channel distortion and ISI for reliable and correct detection at the receiver. | ||
| References | ||
|
ebkit-text-stroke-width: 0px; "> [1] M. N. O. Sadiku, S.M. Musa and S. R. Nelatury, “Free Space Optical Communications: An Overview,” European Scientific Journal, vol. 12, no. 9, doi: 10.19044/esj.2016.v12n9p55, Feb. 2016. [2] Dissanayake S. D., Armstrong J., Hranilovic S., "Performance analysis of noise cancellation in a diversity combined ACO-OFDM system," International Conference Transparent Optical Networks (ICTON), pp.1-4, 2-5 Jul. 2012. [3] J. R. Barry, E. A. Lee, and D. G. Messerschmitt, “Digital Communication,” 3rd ed., Kluwer Academic Publishers, Norwood, MA, 2004. [4] S. Dimitrov and H. Haas, “Optimum Signal Shaping in OFDM-based Optical Wireless Communication Systems,” Vehicular Technology Conference, Apr. 2012. [5] A. Sevincer, A. Bhattarai, M. Bilgi, M. Yuksel and N. Pala, “LIGHTNETs: Smart LIGHTing and Mobile Optical Wireless NETworks,” IEEE Communications Surveys & Tutorials, vol. 15, no. 4, pp. 1620 – 1641, Apr. 2013. [6] Z. Ghassemlooy, W. Popoola and S. Rajbhandari, “Optical Wireless Communications,” Aug. 2012. [7] A. Burr “Modulation and Coding for Wireless Communications,” UK: Prentice-Hall, 2001. [8] M.A. Khalighi and M. Uysal, “Survey on Free Space Optical Communication: A Communication Theory Perspective,” IEEE Communications Surveys & Tutorials, vol. 16, no.8, pp. 2231–2258, Nov2014 auto; -webkit-text-stroke-width: 0px; [9] A. Tiwari and V. K. Sahu, “Error Correction Channel Coding Practices for Wireless Communication Systems,” International Journal of Advanced Research in Computer and Communication Engineering, Vol. 4, no. 10, pp. 151-159, Oct. 2015. [10] D. Barros, S. Wilson, and J. Kahn, “Comparison of orthogonal frequency division multiplexing and pulse-amplitude modulation in indoor optical wireless links,” IEEE Trans. Communication, vol. 60, no.1, pp. 153–163, Jan. 2012. [11] J. Armstrong, B. J. C. Schmidt, D. Kalra, H. A. Suraweera, and A. J. Lowery, “Performance of asymmetrically clipped optical OFDM in AWGN for an intensity modulated direct detection system,” Proc. of IEEE Globecom, pp. 1-5, Dec. 2006. [12] Rashed Islam, Pallab Choudhury and Muhammad Ashiqul Islam, “Analysis of DCO-OFDM and Flip-OFDM for IM/DD Optical Wireless System,” International Conference on Electrical and Computer Engineering, pp. 32-35, Dec. 2014. [13] Ming Jiang, "Direct Current Bias Optimization of the LDPC Coded DCO OFDM Systems", IEEE Photonics Technology Letters, vol. 27, no. 19, pp. 161-164, Oct. 2015. [14] Ji Zhou, Yaojun Qiao, Zhuo Cai, and Yuefeng Ji, “Asymmetrically Clipped Optical Fast OFDM Based on Discrete Cosine Transform for IM/DD Systems,” Journal of Lightwave Technology, vol. 33, no. 9, pp. 1920-1927, May 1, 2015. [15] W. Xu, M.Wu, X. You, and C. Zhao, “ACO-OFDM-Specified Recoverable Upper Clipping With Efficient Detection for Optical Wireless Communications “,IEEE Photonics Journal, VOL. 6, NO. 5, OCTOBER 2014. [16] J. Armstrong and B. J. C. Schmidt, “Comparison of asymmetrically clipped optical OFDM and DC-biased optical OFDM in AWGN,” IEEE Commun. Lett., vol. 12, no. 5, pp. 343–345, May 2008. [17] N. Fernando, Y. Hong, and E. Viterbo, “Flip-OFDM for Optical Wireless Communications,” IEEE Information Theory Workshop 2011, Paraty, Brazil , Oct. 2011. [18] N. Fernando, Y. Hong, and E. Viterbo, “Flip-OFDM for unipolar communication systems,” IEEE Trans. Comm., vol. 60, no. 12, pp. 3726- 3733, Dec. 2012. | ||
|
Statistics Article View: 225 |
||
