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