29-06-2012, 12:28 PM
VSAT EQUIPMENT
VSAT - Copy.pptx (Size: 1.34 MB / Downloads: 27)
INTRODUCTION OF VSAT NETWORKS
VSAT is kind of fixed satellite service
VSAT = Very Small Aperture Terminal
VSATs are usually part of intelligent network
Antenna size is typically 0.7 m to 3.7 m , radio output is typically 2 – 20 W
VSAT NETWORKS:
Benefits Over Terrestrial Service
Reach remote locations with customer premise access
Provide better service(quality, performance, availability )
Greater control of operation and costs
Flexibility in adapting to growth and change in traffic
VSAT NETWORKS
VSAT network are user- oriented
Must be integrated with users business – e.g. retail , banking ,
government department
Interface directly with user equipment – computer, phones ,
fax machines , etc.
Interact directly with users application – e. g, hotel
reservation system, newspaper distribution
VSAT NETWORK APPLICATIONS
Business Communications services
Retail , banking , automotive , mining , oil , government
Public Communications Services
- Extend PSTN to remote rural areas
- Mainly voice
Special Communications Services
- Transportable communications for special events
- disaster recovery