Satellite Communications Engineering Training, a Special 3-day Technical Satellite Communications Training Class
3-Days
For more information about this special course, please contact us.
Satellite Communications Training
TONEX’s Satellite Communications Engineering Training is a 3-day Technical satellite communications Training course covering all aspects of the satellite systems and other aeronautical services.
This course is designed for technical and non-technical professionals who are interested to improve their knowledge and skills in the field of Satellite communications.
Topics Covered:
Mission Analysis
- Kepler’s law
- Circular and elliptical satellite orbits
- Altitude regimes
- Period of revolution
- Geostationary Orbit orbital elements
- Ground trace
Earth-Satellite Geometry
- Azimuth and elevation
- Slant range
- Coverage area
- Signals and Spectra Properties of a sinusoidal wave
- Synthesis and analysis of an arbitrary waveform
- Fourier Principle
- Harmonics
- Fourier series and Fourier transform
- Frequency spectrum
Methods of Modulation
- Overview of modulation
- Carrier
- Sidebands
- Analog and digital modulation
- Need for RF frequencies
Analog Modulation
- Amplitude Modulation (AM)
- Frequency Modulation (FM)
Digital Modulation
- Analog to digital conversion
- BPSK
- QPSK
- 8PSK FSK
- QAM
- Coherent detection and carrier recovery
- NRZ and RZ pulse shapes
- power spectraldensity
- ISI
- Nyquist pulse shaping
- Raised cosine filtering
Bit Error Rate
- Performance objectives
- Eb/No
- Relationship between BER and Eb/No
- Constellation diagrams
- Why do BPSK and QPSK require the same power?
Coding
- Shannon’s theorem
- Code rate, coding gain
- Methods of FEC coding
- Hamming
- BCH
- Reed-Solomon block codes
- Convolutional codes
- Viterbi and sequential decoding
- Hard and soft decisions
- Concatenated coding
- Turbo coding
- Trellis coding
Bandwidth
- Equivalent (noise) bandwidth
- Occupied bandwidth
- Allocated bandwidth
- Relationship between bandwidth and data rate
- Dependence of bandwidth on methods of modulation and coding
- Tradeoff between bandwidth and power
- Emerging trends for bandwidth efficient modulation
The Electromagnetic Spectrum
- Frequency bands used for satellite communication
- ITU regulations
- Fixed satellite service
- Direct broadcast service
- Digital audio radio service
- Mobile satellite service
Earth Stations
- Facility layout
- RF components
- Network operations center
- Data displays
Antennas
- Antenna patterns
- Gain
- Half power beamwidth
- Efficiency
- Sidelobes
- System Temperature
- Antenna temperature
- LNA
- Noise figure
- Total system noise temperature
Satellite Transponders
- Satellite communications payload architecture
- Frequency plan
- Transponder gain
- TWTA and SSPA
- Amplifier characteristics
- Nonlinearity
- Intermodulation products
- SFD
- Backoff
Multiple Access Techniques
- Frequency division multiple access (FDMA)
- Time division multiple access (TDMA)
- Code division multiple access (COMA)
- Spread spectrum
- Capacity estimates
Polarization
- Linear and circular polarization
- Misalignment angle
Rain Loss
- Rain attenuation
- Crane rain model
- Effect on G/T
- Frequency dependence
The RF Link
- Decibel (dB) notation
- Equivalent isotropic radiated power (EIRP)
- Figure of merit (G/T)
- Free space loss
- Why does the free space loss depend on wavelength?
- Satellite EIRP and G/T footprints
- Power flux density
- Carrier to noise ratio
- The RF link equation
Link Budgets
- Communications link calculations
- Uplink, downlink, and composite performance
- Link budgets for single carrier and multiple carrier operation
- Detailed work examples
Performance Measurements
- Satellite modem
- Use of a spectrum analyzer to measure bandwidth
- C/N, and Eb/No
- Comparison of actual measurements with theory using a mobile antenna and a geostationary satellite