Sub Topics

  • What is VSAT?
  • VSAT Applications and Benefits
  • Comparison: VSAT vs. Terrestrial
  • Regulatory Aspects

Expected Accomplishments/Outcomes

  • Highlight the framework of VSAT technology in the evolving context of satellite communication
  • Make cost comparison with respect to terrestrial alternatives
  •  Identify benefits of VSAT to the consumer
  •  List applications of VSATs
  •  Identify parties involved in the VSAT business

Sub Topics

  • Elements of a Satellite Link
  • GSO Satellites
  • Eclipse, Sun transmit outage, Propagation delay
  • Ku band vs. C band
  • Satellite Transponders

Expected Accomplishments/Outcomes

  • The basic elements of a satellite system
  •   Geo stationary satellites – Coverage, Eclipse, Sun transit outage, delay
  •  Satellite footprints
  •  The choice of frequency bands for Satellite Services
  • Benefits and drawbacks of employing C band and Ku band VSAT systems
  •  Polarization Reuse and Polarization Isolation
  •  Satellite repeaters: bent pipe and regenerative
  •  Transponder Utilization: Frequency Allocation

Sub Topics

  • VSAT Assembly
  • Hub Assembly
  • VSAT Antennas – Axi Symmetric and Offset Fed Antennas
  • Polarizing Angle

Expected Accomplishments/Outcomes

  • Schematic and functionality of a remote VSAT and Hub Master Control station components
  •  Signal flow path in the forward and reverse directions
  •  Configuration of Front-end and Offset fed antennas

Sub-Topics

  • VSAT Assembly
  • Hub Assembly
  • VSAT Antennas – Axi Symmetric and Offset Fed Antennas
  • Polarizing Angle

Expected Accomplishments/Outcomes

  • Schematic and functionality of a remote VSAT and Hub Master Control station components
  •  Signal flow path in the forward and reverse directions
  •  Configuration of Front-end and Offset fed antennas

Sub-Topics

  • Satellite Access Protocol Layers
  • SCPC-VSAT Star Inbound Link 
  • Channelization Schemes used for Intelsat SCPC system
  • DAMA: Spade System
  • Star Outbound Link Using TDM
  • Transponder Sharing
  • MF-TDMA
  • CDMA
  • Inbound Access Protocols
  • Operation of SCPC/DAMA protocol

Expected Accomplishments/Outcomes

  • Compare the merits/demerits of FDMA/TDMA/CDMA access schemes
  • Compare the merits/demerits of Aloha, Slotted Aloha and Reservation Aloha protocols
  • Choose appropriate VSAT protocols for inbound and outbound links