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Which of the following metrics is considered for spread spectrum method?

(a) SNR

(b) SNR, SFDR

(c) SNR, SFDR, NPR

(d) SNR, NPR

This question was posed to me in exam.

My question is taken from ADC Tradeoffs topic in portion Technology Tradeoffs in Software Defined Radio of Cognitive Radio

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Right option is (c) SNR, SFDR, NPR

To explain I would say: Spread spectrum uses SNR, SFDR and NPR for performance analysis. SNR is affected by small signals in an environment of strong interference. SFDR is degraded due to spatial filtering. NPR is affected by inter-channel cross talk.

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