INFOSTATIONS RADIO CHANNEL MODELING A. Domazetovic, L. J. Greenstein, I. Seskar and N. Mandayam...
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INFOSTATIONS RADIO CHANNEL MODELING A. Domazetovic, L. J. Greenstein, I. Seskar and N. Mandayam UPDATES ON MEASUREMENTS - some results and the first channel model -
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Transcript of INFOSTATIONS RADIO CHANNEL MODELING A. Domazetovic, L. J. Greenstein, I. Seskar and N. Mandayam...
INFOSTATIONS RADIO CHANNEL MODELING
A. Domazetovic, L. J. Greenstein, I. Seskar and N. Mandayam
UPDATES ON MEASUREMENTS- some results and the first channel model -
W
z
d traj
ect
ory
Offset w
Scenario 1: Open Roadway with Trees
Two types of Continuous Waveform measurements:
- Passing by the antenna- Fixed antenna positions
Two antenna types used:
- Omnidirectional- 120 deg. directional
Llos
Lgr
D - total distance
H -
bas
e an
t.
h -
mob
ile
wd
D
L = D + (H - h) los22
L = D + (H +h) gr22
D = d + w 22
L=L - Lgr los
d = d + vto
+ x
ej
Two-ray Model for Scenario 1:
log-normal process, dB approximately linearly increasing in distance
grsr
st LdEgrGgrGR /))()(( 00||
lossr
st LdElosGlosG /))()(( 00
/2 L
)cossin/()cossin( 22|| rrrrR
sr
st GandG - antenna gains in direction of rays
