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If a PN sequence has chip duration of Tc, then chip rate is given by ___________

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If a PN sequence has chip duration of Tc, then chip rate is given by ___________

(a) Tc

(b) 1/Tc

(c) 2 Tc

(d) Tc^2

The question was asked in an interview for internship.

Query is from Small- Scale Multipath Measurements topic in section Mobile Radio Propagation: Small – Scale Fading and Multipath of Wireless/Mobile

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Right option is (b) 1/Tc

The explanation: In a spread spectrum channel sounder, a carrier signal is spread over a large bandwidth. It is done by mixing it with a binary pseudo number (PN) sequence having a chip duration of Tc and chip rate of 1/T^c.

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