This course starts by recaping some of the essential satellite knowledge required and proceeds to explore the deeper aspects of satellite communications, including hardware, communications and error control coding.
Anyone working with satellite systems.
GEO, MEO and LEO satellites. Launching and orbits. Frequency bands and polarisation. Satellite footprints. Multibeam coverage. Power spectra. Link budgets. Modulation and coding. Access technologies. Earth station components. Space segment components. Satellite system services. Satellite operators.
Electromagnetic waves principles and generation. Reception of the EM wave. Space wave, sky wave and surface wave theory. The isotropic radiator. Types of antennae and their basic properties. Polar diagrams. International frequency allocation. Spectrum management and utilisation. Radio wave propagation. Line of sight propagation. Propagation for satellite comms. Free space path loss. Path attenuation. Noise and Interference. Power and its measurement.
Power flux density. Effective aperture. Horn antennae. Parabolic reflector. Offset feed. Cassegrain and Gregorian antennae. Antenna feed systems – Horn, TMC, OMJ and polarizer. Antenna steering and mount systems. Array antennae. LNA, LNB, LNC. Microwave tubes – TWT and Klystron. Polarizers.
Earth station antennae. Transponders. Antennae sub systems. Power supplies. Link budgets. System noise. System losses. Interference. Satellite switching.
Baseband signals. Analogue and Digital systems. Overview of modulation – AM, FM, PM. Digital Modulation. Frequency conversion –up and down conversion. Filters, mixers, local oscillators, IF amplifiers and group delay equalisers. Access methods – single and multiple access systems. Data networks. Television transmission – analogue and digital. Digital signal compression. MPEG processing.
Longitude, latitude, altitude, GPS, How GPS works, timing, alternatives to GPS.
Voice and Phones, BGAN, TV, GPS to program aerial, VSAT.
The need for coding. Linear block codes. Cyclic codes. Convolution codes. Interleaving and concatenated codes. Coding gain. Turbo codes.
Theory and practice of Spectrum Analysers.
"Excellent presentation - very good course structure."
"Hard concepts were explained very simply."
This structured training course seeks to build upon workbook learning through the use of group exercises, dynamic discussion and individual tasks in order to deliver an engaging and interactive module that will ensure all candidates are able to transfer their new skills into the workplace.