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PN sequence converts _______ signal to ______ signal.

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PN sequence converts _______ signal to ______ signal.

(a) Narrowband, wideband

(b) Wideband, narrowband

(c) Unmodulated, modulated

(d) Low frequency, high frequency

The question was posed to me during an online interview.

Enquiry is from Spread Spectrum Multiple Access in portion Multiple Access Techniques for Wireless Communications of Wireless/Mobile

1 Answer

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Best answer
Correct answer is (a) Narrowband, wideband

The best explanation: A pseudo-noise (PN) sequence converts a narrowband signal to a wideband noise like signal before transmission. SSMA provides immunity to multipath interference and robust multiple access capability.

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