Abstract
Rapid industrialization and increasing demand of business tools for high-speed communications supports the request for optical communications in free space. Cop- per cables and related technologies such as cable modems and Digital Subscriber Line (DSL) are common in existing networks, but do not meet the bandwidth requirement in the future, which opens the door to optical wireless communi- cation technologies. Research in links for optical wireless communication (Infra Red Line of Sight, IR LOS) working in the atmosphere is due to the wide support of its develop- ment on the world market. Optical wireless communications research is currently focused on increasing the transmission quality of data links. A promising new trend in data con- nection through IR LOS includes the transfer of accurate time synchronization pulses (time transmission). The article presents problems of modeling and design of a transmitter and receiver with a fully photonic concept. The analysis of the power levels at the link and drawn a model for determin- ing the connection losses at the receiver caused by optical coupling between a Schmidt-Cassegrain telescope and the receiving optical fiber is shown.
Highlights
Optical Wireless Communication (OWC) is a communication using an optical wave, which is propagated through an atmospheric, cosmic or water environment to carry information
OWC technology is usually used as an alternative to optical fiber links, radio links and acoustic links
The usage of OWC links is advantageous in situations where fiber links and radio links could not be used for some reasons
Summary
Optical Wireless Communication (OWC) is a communication using an optical wave, which is propagated through an atmospheric, cosmic or water environment to carry information. For the reason that OWC link performance is dependent on weather conditions, there are many publications which suggest methods for suppressing the effects induced by atmosphere. For seeking these methods one has to keep in mind parameters of the link and statistic properties of the transmission medium Low BER (Bit Error Rate), and high availability and reliability are expected from OWC data links. These parameters are the main factors of our research. Even these problems are challenging for the authors of this paper
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