4. Using a combination of ASK, FSK and PSK: a) Sketch the unique signals, one each for 011, 100, 101,
4. Using a combination of ASK, FSK and PSK: a) Sketch the unique signals, one each for 011, 100, 101,
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Transcribed Image Text:4. Using a combination of ASK, FSK and PSK:
a) Sketch the
unique signals, one each for
011, 100, 101,
Expert Solution
Step 1
ASK (Amplitude Shift Key)
In ASK amplitude of the carrier wave is changed (switch) according to digital input signal (modulating signal) therefore ASK is analogous to the AM (Analog modulation)
FSK (Frequency Shift Key)
In FSK carrier wave is varied (switched) depending on digital input signal and it is known as Frequency Shift Key (FSK) it is analogous to FM (Frequency Modulation
PSK (Phase Shift Key)
In PSK of the carrier wave (analog) is switched as per the input digital signal and this is analogous to PM (analog phase modulation)
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