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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 11 — May. 21, 2012
  • pp: 12550–12562

Impact of pointing errors on the performance of generalized atmospheric optical channels

Antonio Jurado-Navas, José María Garrido-Balsells, José Francisco Paris, Miguel Castillo-Vázquez, and Antonio Puerta-Notario  »View Author Affiliations

Optics Express, Vol. 20, Issue 11, pp. 12550-12562 (2012)

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Recently, a new and generalized statistical model, called ℳ or Málaga distribution, was proposed to model the irradiance fluctuations of an unbounded optical wavefront (plane and spherical waves) propagating through a turbulent medium under all irradiance fluctuation conditions in homogeneous, isotropic turbulence. Málaga distribution was demonstrated to have the advantage of unifying most of the proposed statistical models derived until now in the bibliography in a closed-form expression providing, in addition, an excellent agreement with published plane wave and spherical wave simulation data over a wide range of turbulence conditions (weak to strong). Now, such a model is completed by including the adverse effect of pointing error losses due to misalignment. In this respect, the well-known effects of aperture size, beam width and jitter variance are taken into account. Accordingly, after presenting the analytical expressions for the combined distribution of scintillation and pointing errors, we derive its centered moments of the overall probability distribution. Finally, we obtain the analytical expressions for the average bit error rate performance for the ℳ distribution affected by pointing errors. Numerical results show the impact of misalignment on link performance.

© 2012 OSA

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(010.1330) Atmospheric and oceanic optics : Atmospheric turbulence
(290.5930) Scattering : Scintillation
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: March 9, 2012
Revised Manuscript: May 10, 2012
Manuscript Accepted: May 11, 2012
Published: May 18, 2012

Antonio Jurado-Navas, José María Garrido-Balsells, José Francisco Paris, Miguel Castillo-Vázquez, and Antonio Puerta-Notario, "Impact of pointing errors on the performance of generalized atmospheric optical channels," Opt. Express 20, 12550-12562 (2012)

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