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Simulation Technologies in Networking and Communications
book

Simulation Technologies in Networking and Communications

by Al-Sakib Khan Pathan, Muhammad Mostafa Monowar, Shafiullah Khan
October 2014
Intermediate to advanced content levelIntermediate to advanced
648 pages
25h 35m
English
CRC Press
Content preview from Simulation Technologies in Networking and Communications
270 Simulation Technologies in Networking and Communications
whose Fourier transform is a rectangular pulse:
Pf
Tf
T
f
T
()
=
>
,
,
1
2
0
1
2
and which occupies the smallest possible bandwidth, W = 1/2T, but has the highest secondary lobes
(thus being very sensitive to synchronization errors and requiring long lters to achieve a good
performance). Good compromise solutions typically use 0.25 ≤ α ≤ 0.5. Figure 10.2 shows several
examples of the aforementioned shaping lters, both in the time and the frequency domains. For
the raised cosine lters, note the decrease in the amplitude of the side lobes as α increases and the
0
0
p(t)
T/4
T/4
T/2
3T/4
T
t
5T4
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Publisher Resources

ISBN: 9781482225495