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EE359 – Lecture 6 Outline
Announcements:
No lecture Mon, lectures 10/19 6pm, 10/21 9:30am
HW this week deadline extended to Friday 5pm
Next HW posted today, due Friday [email protected]
Review of Last Lecture
Signal Envelope Distributions
Average Fade Duration
Markov Models
Wideband Multipath Channels
Scattering Function
Multipath Intensity Profile
Doppler Power Spectrum
Review of Last Lecture
For
f
n
~U[0,2
p
],
r
I
(t),r
Q
(t)
zero mean, WSS, with
Uniform AoAs in Narrowband Model
Inphase/quad comps have zero cross correlation and
PSD is maximum at the maximum Doppler frequency
PSD used to generate simulation values
)
2
(
)
(
)
(
0
t
p
D
r
r
f
PJ
A
A
Q
I
Decorrelates over roughly
half a wavelength
/
cos
),
(
]
2
[cos
)
(
n
D
r
D
r
r
v
f
A
f
E
P
A
n
Q
n
n
I
)
(
]
2
[sin
)
(
,
,
Q
I
n
n
Q
I
r
r
D
r
r
r
A
f
E
P
A
Signal Envelope Distribution
CLT approx. leads to Rayleigh distribution (power
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This note was uploaded on 10/16/2011 for the course ELECTRICAL EE251202 taught by Professor Rejaei during the Spring '10 term at Sharif University of Technology.
 Spring '10
 Rejaei
 Electromagnet

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