PHYSICAL LAYER AND TRANSMISSION MEDIA
BANDWIDTH UTILIZATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The bandwidth of the channel used in the hopset is called ____ a) Hopping bandwidthb) Total hopping bandwidthc) Instantaneous bandwidthd) 3 dB bandwidth
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Hopping bandwidth
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Total hopping bandwidth
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Instantaneous bandwidth
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3 dB bandwidth
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Explanation:
Detailed explanation-1: -There are two types of frequency hopping spread spectrum techniques: fast frequency hopping and slow frequency hopping. In slow frequency hopping, the carrier frequency is changed on a regular basis. The hopping sequence is created and is known for the sender and receiver.
Detailed explanation-2: -There are two predominant techniques to spread the spectrum: 1) Frequency hoping (FH), which makes the narrow band signal jump in random narrow bands within a larger bandwidth. 2) Direct sequence (DS) which introduces rapid phase transition to the data to make it larger in bandwidth.
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