Abstract

We study the error performance of an heterodyne differential phase-shift keying (DPSK) optical wireless (OW) communication system operating under various intensity fluctuations conditions. Specifically, it is assumed that the propagating signal suffers from the combined effects of atmospheric turbulence-induced fading, misalignment fading (i.e., pointing errors) and path-loss. Novel closed-form expressions for the statistics of the random attenuation of the propagation channel are derived and the bit-error rate (BER) performance is investigated for all the above fading effects. Numerical results are provided to evaluate the error performance of OW systems with the presence of atmospheric turbulence and/or misalignment. Moreover, nonlinear optimization is also considered to find the optimum beamwidth that achieves the minimum BER for a given signal-to-noise ratio value.

© 2009 IEEE

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  1. L. Andrews, R. L. Philips, C. Y. Hopen, Laser Beam Scintillation with Applications (SPIE, 2001).
  2. J. T. Li, M. Uysal, "Optical wireless communications: System model, capacity and coding," Proc. IEEE Vehicular Technological Conf. (2003) pp. 168-172.
  3. M. Uysal, S. M. Navidpour, J. T. Li, "Error rate performance of coded free-space optical links over strong turbulence channels," IEEE Commun. Lett. 8, 635-637 (2004).
  4. E. Bayaki, R. Schober, R. K. Mallik, "Performance analysis of free-space optical systems in gamma-gamma fading," IEEE Global Commun. Conf. (GLOBECOM) New OrleansLA (2008).
  5. S. Arnon, "Optimization of urban optical wireless communications systems," IEEE Trans. Wireless Commun. 2, 626-629 (2003).
  6. H. G. Sandalidis, "Optimization models for misalignment fading mitigation in optical wireless links," IEEE Commun. Lett. 12, 395-397 (2008).
  7. K. Kiasaleh, "On the probability density function of signal intensity in free-space optical communication systems impaired by pointing jitter and turbulence," Opt. Eng. 33, 3748-3757 (1994).
  8. S. Arnon, "Effects of atmospheric turbulence and building sway on optical wireless-communication systems," Opt. Lett. 28, 129-131 (2003).
  9. A. A. Farid, S. Hranilovic, "Outage capacity optimization for free-space optical links with pointing errors," J. Lightw. Technol. 25, 1702-1710 (2007).
  10. H. G. Sandalidis, T. A. Tsiftsis, G. K. Karagiannidis, M. Uysal, "BER performance of FSO links over strong atmospheric turbulence channels with pointing errors," IEEE Commun. Lett. 1, 44-46 (2008).
  11. K. Kiasaleh, "Performance of coherent DPSK free-space optical communication systems in K-distributed turbulence," IEEE Trans. Commun. 54, 604-607 (2006).
  12. T. A. Tsiftsis, "Performance of heterodyne wireless optical communication systems over gamma-gamma atmospheric turbulence channels," Electron. Lett. 44, (2008).
  13. D. O. Caplan, "Laser communication transmitter and receiver design," J. Opt. Fiber Commun. Rep. 4, 225-362 (2007).
  14. W. O. Popoola, Z. Ghassemlooy, E. Leitgeb, "BER performance of DPSK subcarrier modulated free space optics in fully developed speckle," Proc. 6th Int. Symp. Communication Systems, Networks and Digital Signal Processing (2008) pp. 273-277.
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  16. D. O. Caplan, Multi-Channel DPSK Receiver U.S. patent 7233430, 19-06-2007.
  17. A. B. Carlson, P. B. Crilly, J. C. Rutledge, Communication Systems (McGraw-Hill, 2002).
  18. I. S. Gradshteyn, I. M. Ryzhik, Table of Integrals, Series, and Products (Academic, 2008).
  19. M. Uysal, J. T. Li, M. Yu, "Error rate performance analysis of coded free-space optical links over gamma-gamma turbulence channels," IEEE Trans. Wireless Commun. 5, 1229-1233 (2006).
  20. M. Abramovitz, I. A. Stegun, Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables (Dover, 1972).
  21. V. S. Adamchik, O. I. Marichev, "The algorithm for calculating integrals of hypergeometric type functions and its realization in REDUCE system," Proc. Int. Conf. Symbolic and Algebraic Computation (1990) pp. 212-224.
  22. A. P. Prudnikov, Y. A. Brychkov, O. I. Marichev, Integrals and Series. More Special Functions (Gordon and Breach, 1992).
  23. I. Kim, B. McArthur, E. Korevaar, "Comparison of laser beam propagation at 785 nm and 1550 nm in fog and haze for optical wireless communications," Proc. SPIE (2001) pp. 26-37.
  24. J. A. Nelder, R. Mead, "A simplex method for function minimization," The Comput. J. 7, 308-313 (1965).
  25. L. C. Andrews, R. L. Philips, "Recent results on optical scintillation in the presence of beam wander," Proc. SPIE (2008).

2008 (3)

H. G. Sandalidis, "Optimization models for misalignment fading mitigation in optical wireless links," IEEE Commun. Lett. 12, 395-397 (2008).

H. G. Sandalidis, T. A. Tsiftsis, G. K. Karagiannidis, M. Uysal, "BER performance of FSO links over strong atmospheric turbulence channels with pointing errors," IEEE Commun. Lett. 1, 44-46 (2008).

T. A. Tsiftsis, "Performance of heterodyne wireless optical communication systems over gamma-gamma atmospheric turbulence channels," Electron. Lett. 44, (2008).

2007 (2)

D. O. Caplan, "Laser communication transmitter and receiver design," J. Opt. Fiber Commun. Rep. 4, 225-362 (2007).

A. A. Farid, S. Hranilovic, "Outage capacity optimization for free-space optical links with pointing errors," J. Lightw. Technol. 25, 1702-1710 (2007).

2006 (2)

K. Kiasaleh, "Performance of coherent DPSK free-space optical communication systems in K-distributed turbulence," IEEE Trans. Commun. 54, 604-607 (2006).

M. Uysal, J. T. Li, M. Yu, "Error rate performance analysis of coded free-space optical links over gamma-gamma turbulence channels," IEEE Trans. Wireless Commun. 5, 1229-1233 (2006).

2004 (1)

M. Uysal, S. M. Navidpour, J. T. Li, "Error rate performance of coded free-space optical links over strong turbulence channels," IEEE Commun. Lett. 8, 635-637 (2004).

2003 (2)

S. Arnon, "Optimization of urban optical wireless communications systems," IEEE Trans. Wireless Commun. 2, 626-629 (2003).

S. Arnon, "Effects of atmospheric turbulence and building sway on optical wireless-communication systems," Opt. Lett. 28, 129-131 (2003).

1994 (1)

K. Kiasaleh, "On the probability density function of signal intensity in free-space optical communication systems impaired by pointing jitter and turbulence," Opt. Eng. 33, 3748-3757 (1994).

1965 (1)

J. A. Nelder, R. Mead, "A simplex method for function minimization," The Comput. J. 7, 308-313 (1965).

Electron. Lett. (1)

T. A. Tsiftsis, "Performance of heterodyne wireless optical communication systems over gamma-gamma atmospheric turbulence channels," Electron. Lett. 44, (2008).

IEEE Commun. Lett. (3)

M. Uysal, S. M. Navidpour, J. T. Li, "Error rate performance of coded free-space optical links over strong turbulence channels," IEEE Commun. Lett. 8, 635-637 (2004).

H. G. Sandalidis, "Optimization models for misalignment fading mitigation in optical wireless links," IEEE Commun. Lett. 12, 395-397 (2008).

H. G. Sandalidis, T. A. Tsiftsis, G. K. Karagiannidis, M. Uysal, "BER performance of FSO links over strong atmospheric turbulence channels with pointing errors," IEEE Commun. Lett. 1, 44-46 (2008).

IEEE Trans. Wireless Commun. (1)

M. Uysal, J. T. Li, M. Yu, "Error rate performance analysis of coded free-space optical links over gamma-gamma turbulence channels," IEEE Trans. Wireless Commun. 5, 1229-1233 (2006).

IEEE Trans. Wireless Commun. (1)

S. Arnon, "Optimization of urban optical wireless communications systems," IEEE Trans. Wireless Commun. 2, 626-629 (2003).

IEEE Trans. Commun. (1)

K. Kiasaleh, "Performance of coherent DPSK free-space optical communication systems in K-distributed turbulence," IEEE Trans. Commun. 54, 604-607 (2006).

J. Lightw. Technol. (1)

A. A. Farid, S. Hranilovic, "Outage capacity optimization for free-space optical links with pointing errors," J. Lightw. Technol. 25, 1702-1710 (2007).

J. Opt. Fiber Commun. Rep. (1)

D. O. Caplan, "Laser communication transmitter and receiver design," J. Opt. Fiber Commun. Rep. 4, 225-362 (2007).

Opt. Eng. (1)

K. Kiasaleh, "On the probability density function of signal intensity in free-space optical communication systems impaired by pointing jitter and turbulence," Opt. Eng. 33, 3748-3757 (1994).

Opt. Lett. (1)

The Comput. J. (1)

J. A. Nelder, R. Mead, "A simplex method for function minimization," The Comput. J. 7, 308-313 (1965).

Other (13)

L. C. Andrews, R. L. Philips, "Recent results on optical scintillation in the presence of beam wander," Proc. SPIE (2008).

E. Bayaki, R. Schober, R. K. Mallik, "Performance analysis of free-space optical systems in gamma-gamma fading," IEEE Global Commun. Conf. (GLOBECOM) New OrleansLA (2008).

L. Andrews, R. L. Philips, C. Y. Hopen, Laser Beam Scintillation with Applications (SPIE, 2001).

J. T. Li, M. Uysal, "Optical wireless communications: System model, capacity and coding," Proc. IEEE Vehicular Technological Conf. (2003) pp. 168-172.

W. O. Popoola, Z. Ghassemlooy, E. Leitgeb, "BER performance of DPSK subcarrier modulated free space optics in fully developed speckle," Proc. 6th Int. Symp. Communication Systems, Networks and Digital Signal Processing (2008) pp. 273-277.

M. Antonini, S. Betti, V. Carrozzo, E. Duca, M. Ruggieri, "Feasibility analysis of a HAP-LEO optical link for data relay purposes," IEEE Aerospace Conf. (2006).

D. O. Caplan, Multi-Channel DPSK Receiver U.S. patent 7233430, 19-06-2007.

A. B. Carlson, P. B. Crilly, J. C. Rutledge, Communication Systems (McGraw-Hill, 2002).

I. S. Gradshteyn, I. M. Ryzhik, Table of Integrals, Series, and Products (Academic, 2008).

M. Abramovitz, I. A. Stegun, Handbook of Mathematical Functions With Formulas, Graphs, and Mathematical Tables (Dover, 1972).

V. S. Adamchik, O. I. Marichev, "The algorithm for calculating integrals of hypergeometric type functions and its realization in REDUCE system," Proc. Int. Conf. Symbolic and Algebraic Computation (1990) pp. 212-224.

A. P. Prudnikov, Y. A. Brychkov, O. I. Marichev, Integrals and Series. More Special Functions (Gordon and Breach, 1992).

I. Kim, B. McArthur, E. Korevaar, "Comparison of laser beam propagation at 785 nm and 1550 nm in fog and haze for optical wireless communications," Proc. SPIE (2001) pp. 26-37.

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