Question: How does slotted aloha reduce the classical Aloha vulnerable time to one half? Explain with the help of diagram/s. What is the purpose of 'Network

How does slotted aloha reduce the classical Aloha vulnerable time to one half? Explain with the help of diagram/s.

What is the purpose of 'Network Allocation Vector? Using NAV, explain how the sender and receiver go about computing the transmission duration at their respective ends.

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