Advanced Trends in Wireless Communications Part 1 pptx
Advanced Trends in Wireless Communications Part 1 pptx
... February, 2 011
Printed in India
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Advanced Trends in Wireless Communications, ... as
f
γ
(γ)=
2
√
πμ
μ+
1
2
h
μ
Γ(μ)H
μ−
1
2
γ
μ−
1
2
γ
μ+
1
2
exp
−
2μγh
γ
I
μ−
1
2
2μHγ
γ
. (26)
In Format 1, h
=(2 + η
1
+ η)/4 and H =(η
1
−...
Advanced Trends in Wireless Communications Part 2 potx
... Applications
39
Fig. 19 a. IF-Rx spectrum without noise Fig. 19 b. IF-Rx spectrum with noise
4 6 8 10 12 14 16 18 20
10
-8
10
-7
10
-6
10
-5
10
-4
10
-3
10
-2
10
-1
10
0
SNR (dB)
BER
DBPSK ... γ in (1) may be obtained by taking the inverse Laplace transform of M
γ
(s),i.e.
f
γ
(γ)=L
1
{M
γ
(s); s; γ} (27)
56
Advanced Trends in Wireless Commun...
Advanced Trends in Wireless Communications Part 3 pdf
... as
P
s
(e)=
Γ
2
∑
L
i
=1
μ
i
+ b
2Γ( b)Γ(2
∑
L
i
=1
μ
i
+ 1)
M
γ
(a)F
(2L)
D
b
1, μ
1
, ···μ
L
, μ
1
, ···μ
L
;2
L
∑
i =1
μ
i
+ 1;
1
1 + aA
1
,
···,
1
1 + aA
L
,
1
1 + aB
1
, ···,
1
1 + aB
L
(50)
As it can easily ... pp .13 17 -13 34,
doi: 10 .11 75/2008jamc2 014 .1.
Zinevich, A.; Messer, H. & Alpert, P. (2 010 ). Prediction of rainfall intensity measur...
Advanced Trends in Wireless Communications Part 4 pdf
... 010 1, 10 10, 11 11} for Scenario 1
•
C = {0000, 011 1, 10 11, 11 00} for Scenario 2
•
C = {0000, 011 1, 10 10, 11 01} for Scenario 3
•
C = {0000, 010 1, 10 11, 11 10} for Scenario 4
Detection at the destination ... distributed codeword that has most probably
12 4
Advanced Trends in Wireless Communications
Advanced Trends in Wireless Communications
11 4
An a...
Advanced Trends in Wireless Communications Part 5 docx
... 0
0 1 1 0 1 1
1 0 1 1 0 1
1 1 0 1 1 0
(b) Decoding errors over the S
1
− R link
b
S
1
b
S
2
b
S
1
⊕b
S
2
ˆ
b
S
1
ˆ
b
S
2
b
R
0 0 0 1 0 1
0 1 1 1 1 0
1 0 1 0 0 0
1 1 0 0 1 1
(c) Decoding errors ... time-slots
13 4
Advanced Trends in Wireless Communications
Diversity and Decoding in Non-Ideal Conditions
14 5
() () ()
() () ()
() () ()
()...
Advanced Trends in Wireless Communications Part 6 ppt
... 8 10 12 14 16
10
-30
10
-25
10
-20
10
-15
10
-10
10
-5
10
0
Signal to Noise Ratio dB
Probability of Error Pe
m =1
m=2
m=4
m=8
0 2 4 6 8 10 12 14 16
10
-14
10
-12
10
-10
10
-8
10
-6
10
-4
10
-2
10
0
Signal ... Advanced Trends in Wireless Communications
17 0
0 2 4 6 8 10 12 14 16
10
-14
10
-12
10
-10
10
-8
10
-6
1...
Advanced Trends in Wireless Communications Part 7 potx
... MIMO
σ
MCR
τ
(μ s) 2. 21 2 .11 2 .19 2.08 2. 21 2 .11 2 .17 2. 21
NPP (dB) 0 2. 01 1.37 4.02 0 2.79 1. 667 5 .16
FG (dB) 26.05 24.62 27.32 27. 41 28.02 27.47 30.46 30.67
SSR (dB) 4. 51 4.29 4.93 4.68 4.22 ... channel coefficients h
1
and h
2
can be recovered perfectly at the receiver, the received
signal can be combined as follows,
**22* *
11 122 1 211 122
** * 2 2 * *
2 211...
Advanced Trends in Wireless Communications Part 8 ppt
... Maps
-90
-85
-80
-75
-70
-65
-60
-55
-50
10 000 10 500 11 000 11 500 12 000
Signal Level (dBm)
Time (1/ 10 s)
Estimated Signal Level, +/- 1 Interval
Measured Signal Level
(a)
1
1. 5
2
2.5
3
10 000 10 500 11 000 11 500 12 000
Path ... Systems
10 15 20 25 30
10
−4
10
−3
10
−2
10
1
10
0
SNR (dB)
BER
5 Users
10 Users
15 Users
(a) Simple-TR
10 15 20 25 30
1...
Advanced Trends in Wireless Communications Part 9 ppt
... FtFFt
FFFtF Ft
PF F F t F t F F t
Ft FtF FttFFtt
Ft F Ft t Ft t
1
1
12
TUTUZU
UTU T U
UTZ Z U T
TUTU TU
UZU U
01
10 1
011 01
11
1
ττ τ
ττ
τ
ττ
τ
=−−Δ+−Δ+
⎡⎤
⎣⎦
−Δ+−Δ+
⎡⎤ ⎡ ⎤
⎣⎦ ⎣ ⎦
⎡
⎤
Δ
+− Δ ... (2000), The Infostations Challenge:
Balancing Cost and Ubiquity in Delivering Wireless Data,
IEEE Per. Commun., vol.
7, no. 2, pp. 66- 71, April 2000.
Advanced Trends in Wir...
Advanced Trends in Wireless Communications Part 10 docx
... optical wireless communications system. SOPS: State
of polarization system; OL: Local Oscillator: OPLL: Optical Phase lock loop
10
-17
10
-16
10
-15
10
-14
10
-13
10
-2
10
-1
10
0
10
1
C
2
n
... (April 2009) (11 07 -11 14), 0885-8993
Kahn, J.M. ; Barry, J.R. (19 97) Wireless Infrared Communications, Proceedings of the IEEE,
Vol. 85, No. 2, (February 19 97...
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