Viavi 87339, Operation Manual

Page: 51 / 198

Testing
3 - 10
The multi-path environments currently implemented in the GPSG-1000 are shown in the
following table:
MULTI-PATH
MODEL
DESCRIPTION
None
No Fading or multi-path effects are simulated.
Static 20 dB Rice factor.
0.025 Hz fading bandwidth.
No Shadowing.
Pedestrian
Unblocked “good” state:
11.9 dB Rice factor.
40 s mean time in state.
Blocked “bad” state:
5.9 dB Rice factor.
10 s mean time in state.
5 dB attenuation.
Fading bandwidth 0.5 Hz.
Shadowing bandwidth 1 Hz.
Shadowing variation 2 dB (1σ).
Land Unblocked “good” state:
13.2 dB Rice factor.
9 s mean time in state.
Blocked “bad” state:
7.2 dB Rice factor.
1 s mean time in state.
10 dB attenuation.
Fading bandwidth 7.3 Hz.
Shadowing bandwidth 2 Hz.
Shadowing variation 2 dB (1σ).
Aeronautical
20.2 dB Rice factor.
Fading bandwidth 0.01 Hz.
No Shadowing.