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Transporting RF Signals over Free-Space Optical Links Hakki H. Refai1

Summary: Transporting RF Signals over Free-Space Optical Links
Hakki H. Refai1
, James J. Sluss, Jr.1
, Hazem H. Refai1
, and Mohammed Atiquzzaman2
School of Electrical and Computer Engineering
The University of Oklahoma Tulsa
Tulsa, Oklahoma USA
School of Computer Science
The University of Oklahoma
Norman, Oklahoma USA
Free space optics (FSO) is a technology that uses modulated optical beams to transmit information line-of-sight
through the atmosphere. To date, the primary focus of FSO research and development has been toward the transmission
of digital signals, primarily for "last mile" applications. This paper reports the use of FSO to transport modulated radio
frequency (RF) analog signals, together with an investigation of key performance measures. Results indicate minimal RF
signal distortion when transmitted over FSO. The advantages of using FSO include increased security and
insusceptibility to electromagnetic interference (EMI).


Source: Atiquzzaman, Mohammed - School of Computer Science, University of Oklahoma


Collections: Computer Technologies and Information Sciences