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Sketch the encoder and syndrome calculator for the generator polynomial $g(x)=1+x^2+x^3$ and obtain the syndrome for the received codeword 1001011.
digital communication updated 4.0 years ago by phenjoisilab • 0
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Describe the methodology used for estimating the run length of stochastic simulation?
digital communication updated 8.0 years ago by nbphadtare • 0
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Describe the Shannon-Hartley capacity theorem.
digital communication updated 4.0 years ago by phenjoisilab • 0
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Derive the expression for entropy? When Is entropy maximum?
digital communication updated 3.7 years ago by phenjoisilab • 0
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Construct a Shannon Fano code for the source and calculate code efficiency, redundancy of the code. Repeat same for the Huffman source coding technique.
digital communication updated 4.0 years ago by yerasylmakulbe671 • 10
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754
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Encode the source using Huffman algorithm. Find the average code length and efficiency
digital communication updated 3.7 years ago by phenjoisilab • 0
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i)Create a Huffman Tree for Huffman source coding technique to find the codeword and length of codewords for each source symbol.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Write short note on Intersymbol interference (ISI) and Eye diagram.
digital communication updated 3.7 years ago by phenjoisilab • 0
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What do you mean by an eye diagram? What is its purpose? Mention the four parameters observed from the eye pattern. Explain with the help of suitable illustration.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Explain the necessity of line codes for data transmission. State different types of line codes. Plot power spectral density of NRZ signal.
digital communication updated 4.0 years ago by yerasylmakulbe671 • 10
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788
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Write short note on Intersymbol interference
digital communication updated 3.9 years ago by phenjoisilab • 0
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Explain the meaning of equalizer. How is equalization achieved? With the help of neat block diagram explain tapped delay line equalizer.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Explain the necessity of line codes for data transmission. State different types of line codes. Plot power spectral density of NRZ signal.
digital communication updated 3.7 years ago by phenjoisilab • 0
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886
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State and explain maximum likelihood decision rule. Explain the function of correlator receiver.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Distinguish between Matched filter and Correlator.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Justify that the probability of error in matched filter does not depend on the shape of input signal. Derive the relevant expression.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Compare offset QPSK and non-offset QPSK.
digital communication updated 3.7 years ago by phenjoisilab • 0
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For a Quadrature Phase Shift Keying (QPSK), Explain the modulator, demodulator, Bandwidth and advantages.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Draw the block diagram of QPSK transmitter and receiver and sketch the waveform.
digital communication updated 4.0 years ago by phenjoisilab • 0
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Draw and Explain the block diagram of OQPSK transmitter. Sketch the waveforms at the output of each block of the transmitter.
digital communication updated 3.8 years ago by phenjoisilab • 0
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Derive the expression for error probability BPSK system with coherent detection.
digital communication updated 3.7 years ago by phenjoisilab • 0
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3. Explain the working of M-ary PSK transmitter and receiver and plot Spread spectrum and calculate the bandwidth.
digital communication updated 4.0 years ago by phenjoisilab • 0
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Determine the symbol rate of transmission and the bandwidth requirement of the communications channel for i) 8-ary PSK system ii) 16-ary PSK system
digital communication updated 4.0 years ago by yerasylmakulbe671 • 10
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Draw the signal space diagram of 16-QASK and calculate the Euclidean and compare with 16- PSK.
digital communication updated 3.7 years ago by phenjoisilab • 0
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Explain the coherent and non-coherent digital modulation techniques.
digital communication updated 3.7 years ago by phenjoisilab • 0
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