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Computer Networking : A Top-Down Approach

Computer Networking : A Top-down Approach

Authors:
James F. Kurose, Keith W. Ross
Exercise:
Problems
Chapter:
Computer Networks And The Internet
Edition:
6
ISBN:
9780132856201
Question:
29

 

Question

Suppose there is a 10 Mbps microwave link between a geostationary satellite and its base station on Earth. Every minute the satellite takes a digital photo and sends it to the base station. Assume a propagation speed of 2.4 _ 108 meters/sec.

a. What is the propagation delay of the link?

b. What is the bandwidth-delay product, R · dprop?

c. Let x denote the size of the photo. What is the minimum value of x for the microwave link to be continuously transmitting?

Answer

a)

The Distance between geostationary satellite and earth (d) = 3.6*107 meters

The Propagation speed (s) = 2.4*108 meters/sec

The Transmission rate(R) = 10Mbps

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