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Vinvika [58]
3 years ago
11

Yet another variation: A better packet switched network employs the concept of acknowledgment. When the end user’s device receiv

es a packet correctly it sends an acknowledgment to the sender. Here too, a packet is received correctly with probability p, but the sender keeps sending copies of a given packet until a copy is correctly received (signaled by acknowledgment). Let random variable N be the number of times the same message packet is sent. a) Find the PMF PN (n). b) To avoid excessive delays (too many repeated transmissions of same packet), it is required that the network maintain P[N < 4] > 0.95. Find the minimum value of p that will satisfy this requirement

Computers and Technology
1 answer:
dlinn [17]3 years ago
7 0

Answer:

a. see explaination

b. 0.632

Explanation:

Packet switching is a method of grouping data that is transmitted over a digital network into packets. Packets are made of a header and a payload.

See attachment for the step by step solution of the given problem.

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