Course Outline
The VSAT Market
What is a VSAT?
Underlying objectives
VSAT-WLL architecture
Cost comparison: terrestrial vs. VSAT
Benefits & applications of VSATs
Satellite Essentials
Basic elements of a satellite system
GSO satellites-coverage, eclipse, sun transit outage, delay, footprints
Frequency bands for satellite services: benefits and drawbacks of C and Ku band VSAT systems
Polarization reuse and polarization isolation
Satellite repeaters: bent pipe and regenerative
Transponder utilization: frequency allocation,TWTA characteristics-back-off
VSAT Earth Station engineering
Schematic and functionality of remote VSAT and Hub Master Control Station components
Signal flow - outbound and inbound directions
Configuration of Front-end and offset fed antennas-polarization
VSAT network implementation
One way, two way
Star and mesh topologies
Hub Implementations
Classes of Mesh Connectivity: CBR and VBR applications
Hybrid configuration
VSAT Protocols
VSAT protocol layers
Access schemes: FDMA, TDMA and CDMA
Access Protocols: MF-TDMA, Aloha, Slotted Aloha and Reservation Aloha, DA-TDMA
Access protocols for inbound/outbound links
iDirect System
NMS
Remote Installation
Operation
DVBS2 Satlink System
NMS
Remote Installation
Operation
SCPC
2G, 3G
IPTV and Internet services
VoIP DEL with MTA
VSAT installation and commissioning
Pre-installation site survey
Installation
Antenna alignment
Use tools and instruments such as GPS,Inclinometer, spectrum analyzer
Commissioning