Q1.) Explain in your words "channel capacity"and Why do these factors (Bandwidth, noise, error rate, and Data rate) affect the channel capacity ?
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Q1.) Explain in your words "channel capacity"and Why do these factors (Bandwidth, noise, error rate, and Data rate) affect the channel capacity ?
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- Attenuation in fiber systems is a comparison, or ratio, of input and output power levels for optical cable, connectors, couplings patch panels, etc., typically expressed in Decibels with the equation; dB = 10log(Pout/Pin). Calculate the attenuation in dB of the following: 9. Pout= .01mw, Pin =1mw; 10. Pout= .5 mw, Pin = 1mw; 11. Pout = .1mw, Pin = 2mw; 12. Pout = .5 mw, Pin = .2mw; dB= ? dB= ? dB= ? dB= ?Bit or symbol transmission time: Based on the maximum gross bit rate (the transmission rate) R in Mbit/s (or Mbps), calculate the bit transmission Time Tb=1/R in microseconds . (Alternatively, you may calculate the symbol transmission time Ts=1/fSym¸where fSym is the symbol rate in baud.)If the channel is band limited to 6 kHz and signal to noise ratio is 16, what would be the capacity of channel? Downvote will be given to incorrect answer
- Given a channel with an intended capacity of 20 Mbps, the bandwidth of the channel is 3 MHz. what signal-to-noise ratio is required to achieve this capacity?For a channel with C/B ratio= 5, Signal to Noise (S/N) Ratio in dB equals (where C=channel capacity and B = Bandwidth )Match the given baud rate and the number of bits carried by each signal unit (baud rate, bits) with the bit rate. choose between : 1200 , 3600 , 3200 1200, 3 Answer 1 600, 6 Answer 2 1200, 1 Answer 3 600, 2 Answer 4 800, 4 Answer 5
- Calculate the theoretical channel capacity. If SNR(dB) = 36 and the channel bandwidth is 2 MHz.We need to use Synchronous Time Division Multiplexing to combine 17 different channels, where 10 channels are each of 300 Kbps and 7 channels are each of 600 Kbps. A unit is 1 bit. Now, answer the following questions using multilevel TDM with no synchronization bit. Your answers must have units. i) What is the output frame duration? ii) What is the output frame rate? iii) What is the output bit rate?Calculate the theoretical maximum channel capacity of a noisy channel with bandwidth 6 kHz if the signal-to-noise ratio is 27 dB. Give your answer to 3 significant figures and state what noise properties are assumed.
- III. The figure below shows synchronous TDM, the data rate for each input connection is 1 Mbps. If 1 bit at a time is multiplexed, Find (a) the input bit duration, (b) the output bit duration, (c) the output bit rate, and (d) the output frame rate. ... 1 1 1 1 1 1 Mbps 0 0 0 0 0 1 Mbps Frames 01010001110100010101 ... MUX 1 0 1 0 1 1 Mbps *** 0 0 1 0 0 1 Mbps3. Draw the QAM analog signal that transmits the following bit stream: 0 10 1001 0 10 0 1 1 0 1 11 1 0 1 0 Assuming that the current analog signal is represented as y = sin t. You need to draw one complete cycle for each modulation change. You can assume that the number of amplitude level is 2 and the number of phase level is 4. You may use the mapping table we used in our lecture to represent data bits.Channel Capacity(C) was found to be 1.44 S/No where S represent signal power and No is the Noise power. Discuss in detail what 1.44 S/No means.