... branches in these cases.
3. The soft-decision decoding in correlated diversity combining
This section adds another mechanism in combating wireless channel fading – combining
convolutional coding ... −
¯
P
S
1
D
)
¯
P
S
1
(
R
1
R
2
)
D
+
(
1
/
2
)
1
−
¯
P
S
1
(
R
1
R
2
)
D
¯
P
S
1
D
+
¯
P
S
1
D
¯
P
S
1
(
R
1
R
2
)
D
(39)
We observe that (39) coincides with (30), and this conclud...
...
4.13.7 Transmitting and receiving antenna gain
The gain of the transmitting antenna for free space is given by (A. Santamaria, FJ Lopez-
Hernandez, 1994)
Advanced Trends in Wireless Communications ... Variations in temperature and pressure in turn cause variations in the refractive
index along the link path (Tatarski, 1971) and such variations can cause fluctuations in...
... 2011
Printed in India
A free online edition of this book is available at www.intechopen.com
Additional hard copies can be obtained from orders@intechweb.org
Advanced Trends in Wireless Communications, ... European
Transactions on Telecommunications 16(6): 52 1 52 5.
22
Advanced Trends in Wireless Communications
3.7 Log-normal shadowing
The link quality of practical wire...
... Trends in Wireless Communications
Advanced Trends in Wireless Communications
26
─ Attenuation
5 dB threshold
+ Shadowing beginning
0 Shadowing cluster beginning
Time (min)
Attenuation ... 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 Communicatio...
... Antenna
Performance for Bluetooth Wireless Communication Links
16 Will-be-set-by -IN- TECH
be obtained b y substituting ( 35) to ( 45) . By integrating the corresponding in nite series
term-by-term and ... described in the previous
85
Assessment of Indoor Propagation and Antenna
Performance for Bluetooth Wireless Communication Links
Advanced Trends in Wireless Communication...
... y
R
1
D
,andy
R
2
D
introduced in
Section 2, the proposed receiver estimates the distributed codeword that has most probably
124
Advanced Trends in Wireless Communications
Advanced Trends in Wireless Communications ... Noise
(AWGN) at the input of node Y and related to the transmission from node X to node Y.The
122
Advanced Trends in Wireless Communications
Ad...