Transceiver design concept for cellular and multispot diffusing regimes of transmission

Authors:
S. Jivkova;M. Kavehrad
Affiliations:
Central Laboratory of Optical Storage and Processing of Information, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria;Center for Information and Communications Technology Research (CICTR), Department of Electrical Engineering, The Pennsylvania State University, University Park, PA
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on optical wireless communications
Year:
2005

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Abstract

A number of attempts have been made in an effort to combine the advantages of line-of-sight and diffuse configurations for indoor optical wireless communications via sophisticated combinations of elements that are characteristic for these architectures. A different approach has been followed in the present investigation, namely, developing a transceiver capable of operating in both configurations. It is proposed that the transceiver design be based on the utilization of two-dimensional arrays of infrared light-emitting devices and photodetectors. Basic design parameters of transceiver optics are derived from considerations about link blockage and system compliance with the unique features of line-of-sight and diffuse methods of transmission.