|
|
|
|
|
|
|
|
|
|
|
n |
Question:
does physical layer impact performance
|
|
of
routing protocols and if so, what to do about it?
|
|
n |
Ideal
Models
|
|
|
|
Ø |
Free
space model and two-ray ground reflection model
|
|
|
n |
Shadowing
Model
|
|
|
|
Ø |
: loss exponent, corresponding to mean
transmission range
|
|
|
|
Ø |
:shadowing deviation
|
|
|
|