Experimental evaluation of transmitter and receiver diversity in a terrestrial FSO link

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21 Citas (Scopus)

Resumen

We experimentally measure and characterize the channel fluctuations in a terrestrial laser communication link using spatial diversity. We measure the signals arising from the propagation of laser beams in a system that comprises two transmit and two receive apertures under various design settings. We find that the spatial channels are statistically correlated. This spatial correlation increases with receiver aperture size and with increasing proximity between beams and/or receiver apertures. By quantifying the cross-covariance between pairs of simultaneously recorded time functions, we map the spatial channel correlation of the optical wireless link as a function of beam separation at the transmitter, receiver aperture, and receiver optics separation. We discuss the effects of transverse wind velocity and establish criteria for the design of effective multiple-input multiple-output free-space optical links affected by atmospheric turbulence.
Idioma originalInglés
Título de la publicación alojada2010 IEEE Globecom Workshops, GC'10
EditorialIEEE Computer Society
Páginas1005-1009
Número de páginas5
ISBN (versión impresa)9781424488650
DOI
EstadoPublicada - 2010
Evento2010 IEEE Globecom Workshops, GC 2010 - Miami, Estados Unidos
Duración: 5 dic. 201010 dic. 2010

Serie de la publicación

Nombre2010 IEEE Globecom Workshops, GC'10

Conferencia

Conferencia2010 IEEE Globecom Workshops, GC 2010
País/TerritorioEstados Unidos
CiudadMiami
Período5/12/1010/12/10

Nota bibliográfica

©2010 IEEE.

Palabras clave

  • Atmospheric turbulence
  • Channel characterization
  • Free-space optical communication
  • Laser applications
  • Multiple-input multiple-output
  • Optical communication
  • Receiver diversity
  • Spatial correlation;
  • Transmitter diversity

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