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Consider a satellite communication link with a one way propagation delay of 300ms between the sender and receiver, operating at 10Mbps using packets of length 1500bytes. Length of the ACK packet is also 1500 bytes.
a) What is the minimum timeout period required for the Stop-and-Wait protocol? The timer is set when the last bit is transmitted.
b) What is the maximum effective data rate of the link for this protocol?
c) Find the minimum window size with which Go-Back-N would be able to achieve 100% efficiency in the absence of any errors.
d) Find the data rate that can be achieved with Stop & Wait and Go-Back-N, if the frame error rate is 10-2 ?
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
Write a ladder logic program needed to implement each of the following (assume inputs A, B and C are all normally open toggle switches).
Consider an LTI system with impusle response h(t) = e^(-.2t)*(u(t-1)-u(tt-8)) a) plot h(t - tau) for various values, make sure you show how the parameter t influences the position of the curve in the graph. b)Find the output y when the input is x(t) ..
What RF bandwidth is required to send the data using QPSK? If the RRC filters in the transmitter and receiver are replaced with ones that have ? = 0.20, what are the new RF bandwidths in parts (a) and (b)?
Design an op-amp amplifier circuit where the smallest resistor available is 10k . The circuit must yield the relationships shown in the following equation: Vout = 8v1 + 8v2 - 4va - 9vb
Design a 2-digit 24 second "shot-clock" countdown timer with pushbutton controller.
(a) Determine free electron and hole concentration.(b) Calculate the effective density of states at valence band, Nv. Given that ni = 1x1010 cm3 and kT = 0.026.
Derive a system diagram for a frequency-modulated transmitter and explain the function of each stage and detect and reproduce (demodulate) the message signal. Measure the frequency of the detected signal and compare that with the frequency of the m..
Using the Routh Hurwitz method, find the values of k for which the following polynomial has all its roots to the left of s = -1.
calculate the short-circuit current of a three-phase delta-wye connected transformer if the short circuit occurs between phase A and the neutral at the low voltage side, and the transformer is supplied by a 13 kV line-to-line voltage.
What is the blocking probability of the system in (b) when the maximum number of users are available in the user pool?
A series of combination having R=2Mohm and C=0.01 UF is connected across a D.C. voltage source of 50V. Determined capacitor voltage and charging current after 0.02s, 0.04s and 1 hour.
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