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___________ is a digital multiple access system in which carrier frequencies are varied in pseudorandom order.

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___________ is a digital multiple access system in which carrier frequencies are varied in pseudorandom order.

(a) CDMA

(b) FCDMA

(c) FHMA

(d) SDMA

I got this question during an interview.

The above asked question is from Spread Spectrum Multiple Access topic in division Multiple Access Techniques for Wireless Communications of Wireless/Mobile

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Right answer is (c) FHMA

Best explanation: Frequency hopped multiple access (FHMA) is a digital multiple access system in which the carrier frequencies of the individual users are varied in a pseudorandom fashion within a wideband channel.

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