Suppose four active nodesnodes A, B, C and Dare competing for access toa channel using
Chapter 5, Problem P11(choose chapter or problem)
Suppose four active nodesnodes A, B, C and Dare competing for access toa channel using slotted ALOHA. Assume each node has an infinite numberof packets to send. Each node attempts to transmit in each slot with probabilityp. The first slot is numbered slot 1, the second slot is numbered slot 2, and so on.a. What is the probability that node A succeeds for the first time in slot 5?b. What is the probability that some node (either A, B, C or D) succeeds in slot 4?c. What is the probability that the first success occurs in slot 3?d. What is the efficiency of this four-node system?
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