Question: [4] [10 points] Explain (1) how the slotted aloha scheme operates, (2) how the pure aloha scheme operates, (3) why the channel utilization of the

[4] [10 points] Explain (1) how the slotted aloha scheme operates, (2) how the pure aloha scheme operates, (3) why the channel utilization of the pure aloha is only 1/2 of that of the slotted aloha, (4) why it is more difficult to implement the slotted aloha scheme than the pure aloha scheme

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