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In digital communication system, in order to increase noise immunity, it is necessary to increase _________

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in Wireless/Mobile by (138k points)
In digital communication system, in order to increase noise immunity, it is necessary to increase _________

(a) Signal power

(b) Signal amplitude

(c) Signal frequency

(d) Signal magnitude

This question was addressed to me in semester exam.

My question comes from Digital Modulation in portion Modulation Techniques for Mobile Radio of Wireless/Mobile

1 Answer

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Best answer
Right option is (a) Signal power

Explanation: In digital communication system, in order to increase noise immunity, it is necessary to increase signal power. However, the amount by which the signal power should be increased to obtain a certain level of fidelity depends on the particular type of modulation employed.

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