​​sATELLITE MODEMS

SATELLITE MODEMS FOR ULTRA SMALL APERTURE MOBILE TERMINAL NETWORKS

TERMINAL MODEMS

TCU-400-M 

​Designed for use with a Very Small, or Ultra Small Aperture Terminals in a mobility application - in particular maritime. It provides the advanced spread spectrum and multiple access features required to achieve cost-effective bandwidth sharing whilst using small, cheap stabilised terminals.

​The integrated modem and antenna control functions provides exceptional antenna tracking performance - even with very low (or negative) C/N levels and high elevation angles.​

HUB Modems

CBM-03L

Hub or general purpose SCPC modem, for medium data rates. This unit forms a core element of small or medium sized hub systems, supporting carrier chip rates of up to 2Mcps.
CBM-05L

Hub or general purpose SCPC modem, for medium to high data rates. This unit forms a core element of medium to large sized hub systems, supporting carrier chip rates of up to 4Mcps.
MCM Series 

Hub modem, for medium to high data rates.  The single 1U chassis provides a high-density signal processing capability, combining up to 8 independent receive cards and up to 4 independent transmit cards. 

KEy FEATURES

Physical Layer (L1) Features
  • Proprietary high-performance burst transmission and burst reception
  • Supports 3 dimensions of multiple access (FDMA/TDMA/CDMA), for greater system design flexibility than traditional MF-TDMA modems
  • Spreading factor of any integer from 1 (no spreading) to 64
  • Spread spectrum support enables:
    • Physical layer security
    • Power spectral density control - essential for the use of small aperture antennas and mobility applications
    • The ability to use USAT antenna sizes for mobility

Link Layer (L2) Features
  • Dynamic assignment of frequencies / time-slots / codes according to real-time per-terminal traffic demands (DAMA - Demand Assigned Multiple Access)
  • Supports traffic classification and prioritisation at L2

IP Layer (L3) Features
  • QoS (IP traffic classification and prioritisation)
  • Forward link (hub to remote) IP broadcast / multicast
  • Built-in UDP and IP header compression

Hub / System Integration
  • All THISS modems (hub and terminal devices) integrate with the THISS hub and Satellite NMS
  • Patented Distributed Resource Management (DRM) allows intelligent satellite resource selection ("automatic beam-switching"), software version and system configuration updates
THISS Technologies 
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