DESIGN AND IMPLEMENTATION OF VSAT IN COMMUNICATION SYSTEM
Abstract
This project provides a review and assessment of satellite technologies for
providing broadband data communications using very small aperture terminal
(VSAT) Network systems. In this context, “broadband” means that the application
requires a data transfer rate greater than 100kbps and should allow broadcast,
multi-and un-cast and interactive bi-directional services to fixed locations
worldwide.
The applications considered are: internet access over satellite, digital content
distribution, and wide are network (WAN) connectivity, video teleconferencing,
distance learning and telephony. The systems examined include digital
broadcasting (e.g. DB) with IP encapsulation and bi-directional VSAT star
networks. Detailed comparison of various transmission parameters are provided to
help evaluate currently available satellite and ground equipment capabilities. It is
observed that improved forward correction is desirable namely the turbo product
codes now being introduced widely in satellite ground equipment.
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