Satellite Technologies

Komunikasi satelit menggunakan freqencies radio dalam jangkauan gelombang mikro sebagai media komunikasi. Satelit menerima sinyal dan relay mereka ke satelit lain atau untuk terestrial (baca 'tanah') stasiun.

Satellite Basics

• Satellite Orbits
• Satellite Tracking
• Satellite Subsystems
• Satellite Providers
• Satellite Manufacturers
• Satellite Communications
  • Satellite Frequency Bands
  • Satellite Channels
  • Satellite Channel Access
  • Satellite Packet Communications
• Satellite Frequency Bands
• Polarity

The Satellite Radio Freqency (RF) Circuit

• Uplink / Downlink Chains
• POWER
  • Radiated
  • Reflected
  • Effective
• NOISE
  • Noise Floor
  • Signal To Noise Ratio
• ATTENUATION
  • Rain Fade
  • Atmospheric Absorbption
• Solar/Sun Outage
• Impedance
• Noise
  • Noise Floor
  • Spectrum Interferance
  • Saturation
• Gain
• Gain over Temperature (G/T)
• Voltage Standing Wave Ratio (VSWR)
• Free space loss
• Noise temperature
• Carrier to Noise
• Intermodulation
• SFD
• Backoff

MODULATION

• BPSK
• QPSK
• 8PSK
• 16PSK
• 32PSK

ERROR CORRECTION

• Forward Error Correction

CODING

• Viterbi
• Reed Solomon

DIGITAL SERVICES

• Single Channel Per Carrier (SCPC)
• Multiple Channels Per Carrier (MCPC)
• Digital Video Broadcast (DVB)

EARTH STATION EQUIPMENT

UPLINK CHAIN

• Data Source (Router)
• Modulator
• Up-Converter
• Amplifiers
• Wave Guide
  • Baseball Switch
• Dish
  • Antenna
  • Feed Horn
  • Mesh vs. Solid

DOWNLINK CHAIN

• Antenna (Dish)
• Low Noise Amplifier (LNA)
• Low Noise Block Downconverter (LNB)
• Down-Converter
• Demodulator
• Data Destination