Suppose that you have a 128Mbps Internet link and want to download a 4GB movie from www.disney.com, while you are working on this problem. a) Specify the components that will cause the delay? b) Calculate/find two of delay components
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Suppose that you have a 128Mbps Internet link and want to download a 4GB movie from
www.disney.com, while you are working on this problem.
a) Specify the components that will cause the delay?
b) Calculate/find two of delay components
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- Calculate the minimum timeout value for a stop-and-wait algorithm running over a 50-meter point-to-point copper link. Assume a minimum delay of 5 µs at the receiver. If you know the distance between two points, you can calculate the speed-of-light latency, although you have to be careful because light travels across different media at different speeds: It travels at 3.0 × 108 m/s in a vacuum, 2.3 × 108 m/s in a copper cable, and 2.0 × 108 m/s in an optical fiber.In this project, you are required to use MATLAB/Octave/SCILAB software to simulate BPSK modulation waveform. PSK Modulation Phase Shift Keying (PSK) is the digital modulation technique in which the phase of the carrier signal is changed by varying the sine and cosine inputs at a particular time. PSK is of two types, depending upon the phases the signal gets shifted: - Binary Phase Shift Keying: This is also called as 2-phase PSK or Phase Reversal Keying. In this technique, the sine wave carrier takes two phase reversals such as 0° and 180°. - Quadrature Phase Shift Keying: This is the phase shift keying technique, in which the sine wave carrier takes four phase reversals such as 0°, 90°, 180°, and 270°. BPSK ModulatorThe block diagram of Binary Phase Shift Keying consists of the balance modulator which has the carrier sine wave as one input and the binary sequence as the other input. Following is the diagrammatic representation. Please show all the steps and explaination.6. Find the time delay for the delay subroutine shown below, if the system frequency is 11.0592MHZ. Delay: MOV RL, #100 Back : MOV R2, #200 Again: MOV R3, #300 Here : NOP NOP DJNZ R3 Here DJNZ R2, Again DJNZ R1 , Back RET
- The Amplitude Modulation (AM) is a technique used in communication for transmitting information via radio carrier wave. AM works by varying the amplitude of the transmitted signal in relation to the information being sent. The equations of the carrier signal, the original signal to send, and the modulated signal combining the two signals are respectively: VI-V sin (2πƒct) V2=Vm sin (2πfmt) V3=Vcsin (2πfct)+ Vm sin (2πfmt)* sin (2nfct) C Supposing that Vc =Vm=1, fc-20, fm=1. Write a MATLAB program that plots the three signals with single call, the graphs must be contain (desired title, axis labels, annotations, with symbols for color, style, and marker) for each graph. Use the step 0.0025 for the time.The Hi-Fi modem company has designed a new frequency modulation that can transmit 38400 bits/sec. The baud rate is 4800. How many frequency levels can each interval have? 3. 4. Given a location with 7 bits what is the minimum and maximum value that it can hold A) As an unsigned location B) As a signed locationSuppose that I have a 6.5 GByte movie file that’s sitting on my hard drive at home. If I have cable internet service, which gets 50 Mbps down and 10 Mbps up, how long before my friend is able to get the file if he has a DSL which gets 8 Mbps down/1 Mbps up?