PHYSICAL LAYER AND TRANSMISSION MEDIA
ANALOG TRANSMISSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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phone uses
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Orthogonal frequency division multiplexing
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Frequency division multiplexing
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Time division multiplexing
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None of the above
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Explanation:
Detailed explanation-1: -Orthogonal frequency-division multiple access (OFDMA) is a feature of Wi-Fi 6 (802.11ax) that allows access points to serve multiple clients at the same time.
Detailed explanation-2: -The primary advantage of OFDM over single-carrier schemes is its ability to cope with severe channel conditions (for example, attenuation of high frequencies in a long copper wire, narrowband interference and frequency-selective fading due to multipath) without complex equalization filters.
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