Satellite Orbit,Bit- & Error- Rates

LEO Satellite

1350 km orbit

45deg inclination

Service Provider

Portable Terminal

Mobil Terminal

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Network Overview: LEO satellite network: orbit hight: 1350 km

inclination: 45 deg

permanent line of sight; 20 deg. min. eleavation

Ground stations:

Service Provider: E.g.: ISP

Large antennas, fixed position

Portable Terminal: E.g. Notebook

Medium antenna, portable

NOT moving during communication

Mobile Terminal: E.g.: Notebook (or handheld)

Medium (or small) antenna, portable

Moving during communication

[Press RETURN]

Bit-Rates & Error-Rates

Downlink: 32.768 Mbit/s for all types of terminal, shared

Uplink: Feeder Link: 32.768 Mbit/s

Portable Terminal: 2.048 Mbit/s

Mobile Terminal: 384 kbit/s

BER: 2*10-8 (above MAC); good wheather

link failure during rain