WIRELESS NETWORKS AND MOBILE IP
WIRELESS LANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Bluetooth uses
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orthogonal frequency division multiplexing
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time division multiplexing
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frequency hopping spread spectrum
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channel division multiplexing
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Explanation:
Detailed explanation-1: -Adaptive frequency-hopping spread spectrum (AFH) as used in Bluetooth improves resistance to radio frequency interference by avoiding crowded frequencies in the hopping sequence.
Detailed explanation-2: -Bluetooth operates in the same 2.4-to 2.483-GHz unlicensed spectrum as Wi-Fi. It uses a technique known as frequency-hopping spread spectrum (FHSS), where the data is divided into chunks and transmitted via a carrier that hops from one random frequency to another.
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