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Reseach Article

SNR Analysis of RoF Systems based on 64-QAM Including the Impact of Dispersion and Phase noise

by Shelly Singla, Sandeep K. Arya
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 40 - Number 2
Year of Publication: 2012
Authors: Shelly Singla, Sandeep K. Arya
10.5120/4931-7162

Shelly Singla, Sandeep K. Arya . SNR Analysis of RoF Systems based on 64-QAM Including the Impact of Dispersion and Phase noise. International Journal of Computer Applications. 40, 2 ( February 2012), 37-40. DOI=10.5120/4931-7162

@article{ 10.5120/4931-7162,
author = { Shelly Singla, Sandeep K. Arya },
title = { SNR Analysis of RoF Systems based on 64-QAM Including the Impact of Dispersion and Phase noise },
journal = { International Journal of Computer Applications },
issue_date = { February 2012 },
volume = { 40 },
number = { 2 },
month = { February },
year = { 2012 },
issn = { 0975-8887 },
pages = { 37-40 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume40/number2/4931-7162/ },
doi = { 10.5120/4931-7162 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:27:03.456958+05:30
%A Shelly Singla
%A Sandeep K. Arya
%T SNR Analysis of RoF Systems based on 64-QAM Including the Impact of Dispersion and Phase noise
%J International Journal of Computer Applications
%@ 0975-8887
%V 40
%N 2
%P 37-40
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, the performance of radio-over-fiber (RoF) links employing intensity modulation has been investigated in terms of signal to noise ratio (SNR). An analytical model including dispersion, laser and radio frequency (RF) oscillator phase noise is constructed to estimate the SNR performance for 64- quadrature amplitude modulation (QAM) based RoF systems. It has been observed that the RF oscillator line-width and laser line-width affect the SNR significantly. SNR decreases monotonously as the value of laser line width increases but for increased RF oscillator line widths specifically above 1Hz, the SNR degrades to a great extent [20 dB] which is not desirable for efficient communication system.

References
  1. M. Sauer, A. Kobyakov, and J. George, “Radio-over-fiber for picocellular network architectures ,” Journal of lightwave technology., vol. 25, no. 11, pp.3301–3320, Nov. 2007.
  2. A. J. Seeds and K. J. Williams, “Microwave photonics,” Journal of lightwave technology., vol. 24, no. 12, pp. 4628–4641, Dec. 2006.
  3. G. H. Smith, D. Novak, and Z. Ahmed, “Overcoming chromatic-dispersion effects in fiber-wireless systems incorporating external modulators,” IEEE Trans. Microw. Theory Tech., vol. 45, no. 8, pt. 2, pp. 1410–1415, Aug. 1997.
  4. V. J. Urick, J. X. Qiu, and F. Bucholtz, “Wide-band QAM-over-fiber using phase modulation and interferometric demodulation,” IEEE Photon. Technol. Lett., vol. 16, no. 10, pp. 2374–2376, Oct. 2004.
  5. M. A. Piqueras, B. Vidal, J. L. Corral, V. Polo, A. Martinez, and J.Marti, “Direct photonic generation of electrical vector modulations at microwave/millimeter-wave frequencies,” IEEE Photon. Technol. Lett., vol. 17, no. 9, pp. 1947–1949, Sep. 2005.
  6. J. Hongo, K. Kasai, M. Yoshida, and M. Nakazawa, “1-Gsymbol/s 64-QAM coherent optical transmission over 150 km,” IEEE Photon. Technol. Lett., vol. 19, no. 9, pp. 638–640, May 2007.
  7. Keang-Po Ho and Han-Wei Cuei, “Generation of Arbitrary Quadrature Signals Using One Dual-Drive Modulator”, Journal of lightwave technology, Vol. 23, No. 2, February 2005.
  8. G. P. Aggarwal, Fiber-Optic Communication Systems, New York, Wiley, 2005.
  9. Vishal Sharma, Amarpal Singh, Ajay K. Sharma, “Simulative investigation on the impact of laser-spectral width in single-tone radio-over-fiber transmission system using optical single side-band technique”, Optics and Lasers in Engineering, Vol.47, pp-1145-1149, July 2009.
Index Terms

Computer Science
Information Sciences

Keywords

RoF SNR QAM Phase noise Dispersion