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Prototyping multi-transceiver free-space-optical communication structures

By Abdullah Sevincer, Abdullah Sevincer and Supervisor Murat Yuksel


Wireless networking has conventionally been realized via radio frequency (RF) based communication technologies. However, the capacity of these networks are limited by the availability of the RF spectrum. Free-Space-Optical (FSO) communication has thepotentialtodeliver wirelesscommunicationlinksatoptical-level speeds. Although it has the advantageof the highspeed modulation, maintenance of line-of-sight (LOS) between transceivers during an ongoing transmission is an important issue since FSO transmitters are highly directional. In this thesis we present a prototype implementation of such multi-transceiver electronically-steered communication structures. Our prototype uses a simple LOS detection and establishment protocol and assigns logical data streams to appropriate physical links. We show that by using multiple directional transceivers we can maintain optical wireless links with minimal disruptions that are caused by relative mobility of communicating nodes. ii

Year: 2009
OAI identifier: oai:CiteSeerX.psu:
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