BotCorp America CT2A Benutzerhandbuch

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Operational Manual
Space-based Short Messaging System (SSMS)
BOT-SSMS-CT2A
CT2A
Rel. 1.0, 2001-Jun-12
Preliminary
Commercial Proprietary
Controlled Circulation - Do Not Duplicate
2  SSMS  SYSTEM OVERVIEW
The SSMS is designed to provide low-cost data transmission with GPS location reporting in a compact
low power package. The SSMS uses GPS satellite for location and timing information and L-Band
satellite bandwidth for data communication. Data is sent from the SSMS transceiver to the L-band
satellite to a satellite ground station/hub and then to the client. If the data needs to be transmitted beyond
the ground station, data is be conveyed from the satellite ground station via an internet server using an
internet account or via a secured TCP/IP based network). Conversely, the same network can be used to
send data in the form of control information back to individual SSMS transceivers. The nature of the
control data is service specific. The transceiver is a full duplex design using separate antennas to receive
and transmit (See Figure 1). Please note that the system uses 2 antennas: the antennas are identical in
outward appearance and form factor.
Figure 1
SSMS  Transceiver and Antenna