May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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58 Data Communications and Computer Networks
The bandwidth for BFSK is calculated by the following given formula:
B = (l + f
c
) × S + (f
1
– f
2
),
where, f
1
– f
2
= 2∆f
Another variation of FSK is multilevel FSK (MFSK) which involves using more than two carrier frequen-
cies. For example, four frequencies can be used to transmit two bits, eight frequencies to transmit three bits
and so on. The only requirement is that the distance between any two carrier frequencies should be 2∆f.
FSK is less susceptible to noise than ASK and thus is suitable for high-frequency radio transmission.
Phase Shift Keying
In this technique, the phase of the carrier signal ...
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