A 2-bit binary sequence is transmitted over a noisy communication channel. The noise corrupts the signal...
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A 2-bit binary sequence is transmitted over a noisy
communication channel. The noise corrupts the
signal...
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise...
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise given as, 0, otherwise with B-200 kHz and N 10W Hz. The message bandwidth is 10 kHz and its average power is 10 W. Assume A,-1, 100kHz, and the channel attenuates signal power by a factor of 1000 (-30 dB). Assume that a suitable band-pass filter is used at the receiver to limit out-of-band noise. (a) Determine the average signal power at the receiver...
Consider a noisy AWGN (Additive White Gaussian Noise) communication channel with a bandwidth of 12 KHz....
Consider a noisy AWGN (Additive White Gaussian Noise) communication channel with a bandwidth of 12 KHz. Is it possible to transmit reliably over this channel at a bit rate of 150 Kbps with an SNR (Signal to Noise Ratio) of 35 dB? Justify your answer
Suppose a binary message is transmitted through a noisy channel. The transmitted signal S is equally...
Suppose a binary message is transmitted through a noisy channel. The transmitted signal S is equally likely to be 1 or-1, the noise N follows a normal distribution N(0,4), and the received signal is R-S + N. The receiver concludes that the signal is 1 when R > 0 and-1 when R<0. What is the error probability when one signal is transmitted? ·What is the error probability when one signal is transmitted if we triple the amplitude of the transmitted...
(2) In binary communication system, we send "0s and ""s and due to noise and channel distortion r...
(2) In binary communication system, we send "0s and ""s and due to noise and channel distortion receiver sometimes makes errors with probability p. We also send these information bits in the form of packets (e.g., group of 10 bits) i) What is the probability of having a packet error that carries 100 bits of information? İİ) What is the probability of having at least 2 bit errors in a 100-bit packet?
(2) In binary communication system, we send "0s...
Consider a noisy communication channel, where each bit is flipped with probability p (the probability that...
Consider a noisy communication channel, where each bit is flipped with probability p (the probability that a bit is sent in error is p). Assume that n−1 bits, b1,b2,⋯,b(n−1), are going to be sent on this channel. A parity check bit is added to these bits so that the sum b1+b2+⋯+bn is an even number. This way, the receiver can distinguish occurrence of odd number of errors, that is, if one, three, or any odd number of errors occur, the...
An SSB modulated signal is transmitted over a noisy channel, having a spectral density of N0/2...
An SSB modulated signal is transmitted over a noisy channel, having a spectral density of N0/2 of 2*10-9 W/Hz. The message bandwidth is 4kHz and the carrier frequency is 200 kHz. Assume that the average received power of the signal is -80 dBm. Determine the post-detection SNR of the receiver.
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transiti...
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transition at beginning of bit time: "0- No signal transition at beginning of bit time. Manchester:"1- low to high: 0- high to low) NRZI The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown below. It contains a single error. Locate the position...
Let us consider the binary digital communication system in which bit 1 is represented by the...
Let us consider the binary digital communication system in which bit 1 is represented by the waveform Acos(ωt) of bit duration T, where ω is the carrier radial frequency and A is the constant amplitude. On the hand, the bit 0 is represented by the following waveform instead (A/10)cos(ωt). During the transmission the channel has introduced the uniform random phase shift Φ and transmitted waveform is affected by zero-mean white Gaussian noise of variance σ2. To demodulate, we perform the...
2. Consider a binary communication channel The probability that a transmitted 0 is received as 1 ...
2. Consider a binary communication channel The probability that a transmitted 0 is received as 1 is ε1- The probability that a transmitted 1 is received as 0 is Assume that the 2 transmitted inputs have equal probabilities. a) (10 points) Find the probability that the output received is 0. b) (10 points) Find the probability that the transmitted input is 0 given that the received output is 1 e) (5 points) Find the probability that the transmitted input is...
Consider a binary modulation scheme in which the transmitted signals are 81-0 and s2=A with prior...
Consider a binary modulation scheme in which the transmitted signals are 81-0 and s2=A with prior probabilities P the received signal is p and P2 1-p. These signals are sent over an AWGN channel and r=si + n for i = 1,2 where n is a Gaussian noise with zero mean and variance No/2. a) Determine the MAP decision regions for this signaling b) Express the error probability in terms of Q-functions.
Consider a binary modulation scheme in which the...
Q1. A DSB-SC signal is transmitted over a noisy channel with power spectral density of noise given as, 0, otherwise with B-200 kHz and N 10W Hz. The message bandwidth is 10 kHz and its average power is 10 W. Assume A,-1, 100kHz, and the channel attenuates signal power by a factor of 1000 (-30 dB). Assume that a suitable band-pass filter is used at the receiver to limit out-of-band noise. (a) Determine the average signal power at the receiver...
Suppose a binary message is transmitted through a noisy channel. The transmitted signal S is equally likely to be 1 or-1, the noise N follows a normal distribution N(0,4), and the received signal is R-S + N. The receiver concludes that the signal is 1 when R > 0 and-1 when R<0. What is the error probability when one signal is transmitted? ·What is the error probability when one signal is transmitted if we triple the amplitude of the transmitted...
(2) In binary communication system, we send "0s and ""s and due to noise and channel distortion receiver sometimes makes errors with probability p. We also send these information bits in the form of packets (e.g., group of 10 bits) i) What is the probability of having a packet error that carries 100 bits of information? İİ) What is the probability of having at least 2 bit errors in a 100-bit packet?
(2) In binary communication system, we send "0s...
1. For the bit stream 11000110111100010101, sketch the waveforms for the following codes. Assume that the signal level for the proceeding bit for NRZI was high. Nzi:"i". Signal transition at beginning of bit time: "0- No signal transition at beginning of bit time. Manchester:"1- low to high: 0- high to low) NRZI The bipolar-AMI waveform representing the binary sequence 0100101011 is transmitted over a noisy channel. The received waveform is shown below. It contains a single error. Locate the position...
2. Consider a binary communication channel The probability that a transmitted 0 is received as 1 is ε1- The probability that a transmitted 1 is received as 0 is Assume that the 2 transmitted inputs have equal probabilities. a) (10 points) Find the probability that the output received is 0. b) (10 points) Find the probability that the transmitted input is 0 given that the received output is 1 e) (5 points) Find the probability that the transmitted input is...
Consider a binary modulation scheme in which the transmitted signals are 81-0 and s2=A with prior probabilities P the received signal is p and P2 1-p. These signals are sent over an AWGN channel and r=si + n for i = 1,2 where n is a Gaussian noise with zero mean and variance No/2. a) Determine the MAP decision regions for this signaling b) Express the error probability in terms of Q-functions.
Consider a binary modulation scheme in which the...
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