Q1: For the binary sequence 11111011111, sketch the resulting waveforms from sinusoidal modulation if the modulation type: ASK, BPSK, FSK. Q2: A modulating signal f(t) is bandlimited to 4KHz is sampled at a rate of 10000 samples/ sec. The samples are quantized into 256 levels. Calculate transmission bandwidth if the following modulation types are used for signal transmission: ASK, PSK, FSK with Af = 50 kHz. Q3: Find the output coded sequence and carrier phase of DPSK modulator for input data d(n)=01011101. Then show the detection process of DPSK demodulator. Assume x(0)=0. Q4: Find the error probability of 1200 baud noncoherent PSK if the available signal power at demodulator is 10-10 watt and one sided AWGN spectral density of 10-14 watt/Hz is assumed. Q5: Find the error probability of 1200 baud coherent FSK with fi=1000 Hz, f2=2300 Hz. Assume 10-¹0 watt available signal power and one sided AWGN spectral density of 10-14 watt/Hz. Q6: Compare the error probability of the following 1600 baud sinusoidal digital modulation techniques assuming 10-10 watt signal power and n-10-14 watt/Hz. (a) 19 Digital Communication, 3rd year, Lect#3 Prof. Dr. Hikmat N. Abdullah coherent ASK(OOK) (b) coherent PSK (c) coherent FSK (d) noncoherent ASK (e) noncoherent FSK (f) noncoherent PSK (DPSK).
Q1: For the binary sequence 11111011111, sketch the resulting waveforms from sinusoidal modulation if the modulation type: ASK, BPSK, FSK. Q2: A modulating signal f(t) is bandlimited to 4KHz is sampled at a rate of 10000 samples/ sec. The samples are quantized into 256 levels. Calculate transmission bandwidth if the following modulation types are used for signal transmission: ASK, PSK, FSK with Af = 50 kHz. Q3: Find the output coded sequence and carrier phase of DPSK modulator for input data d(n)=01011101. Then show the detection process of DPSK demodulator. Assume x(0)=0. Q4: Find the error probability of 1200 baud noncoherent PSK if the available signal power at demodulator is 10-10 watt and one sided AWGN spectral density of 10-14 watt/Hz is assumed. Q5: Find the error probability of 1200 baud coherent FSK with fi=1000 Hz, f2=2300 Hz. Assume 10-¹0 watt available signal power and one sided AWGN spectral density of 10-14 watt/Hz. Q6: Compare the error probability of the following 1600 baud sinusoidal digital modulation techniques assuming 10-10 watt signal power and n-10-14 watt/Hz. (a) 19 Digital Communication, 3rd year, Lect#3 Prof. Dr. Hikmat N. Abdullah coherent ASK(OOK) (b) coherent PSK (c) coherent FSK (d) noncoherent ASK (e) noncoherent FSK (f) noncoherent PSK (DPSK).
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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![Problems
Q1: For the binary sequence 11111011111, sketch the resulting waveforms from
sinusoidal modulation if the modulation type: ASK, BPSK, FSK.
Q2: A modulating signal f(t) is bandlimited to 4KHz is sampled at a rate of 10000
samples/ sec. The samples are quantized into 256 levels. Calculate transmission
bandwidth if the following modulation types are used for signal transmission:
ASK, PSK, FSK with Af = 50 kHz.
Q3: Find the output coded sequence and carrier phase of DPSK modulator for input
data d(n)=01011101. Then show the detection process of DPSK demodulator.
Assume x(0)=0.
Q4: Find the error probability of 1200 baud noncoherent PSK if the available signal
power at demodulator is 10-10 watt and one sided AWGN spectral density of 10-14
watt/Hz is assumed.
Q5: Find the error probability of 1200 baud coherent FSK with f₁=1000 Hz, f2=2300
Hz. Assume 10-¹0 watt available signal power and one sided AWGN spectral
density of 10-14 watt/Hz.
Q6: Compare the error probability of the following 1600 baud sinusoidal digital
modulation techniques assuming 10-10 watt signal power and n=10-¹4 watt/Hz. (a)
19
Digital Communication, 3rd year, Lect#3
Prof. Dr. Hikmat N. Abdullah
coherent ASK(OOK) (b) coherent PSK (c) coherent FSK (d) noncoherent ASK
(e) noncoherent FSK (f) noncoherent PSK (DPSK).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc93ab03-1796-4f03-b12a-aa52a281b6b7%2F34fae013-f7f5-46b3-9f34-e92bfa4d64e4%2Fag9p5ub_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Problems
Q1: For the binary sequence 11111011111, sketch the resulting waveforms from
sinusoidal modulation if the modulation type: ASK, BPSK, FSK.
Q2: A modulating signal f(t) is bandlimited to 4KHz is sampled at a rate of 10000
samples/ sec. The samples are quantized into 256 levels. Calculate transmission
bandwidth if the following modulation types are used for signal transmission:
ASK, PSK, FSK with Af = 50 kHz.
Q3: Find the output coded sequence and carrier phase of DPSK modulator for input
data d(n)=01011101. Then show the detection process of DPSK demodulator.
Assume x(0)=0.
Q4: Find the error probability of 1200 baud noncoherent PSK if the available signal
power at demodulator is 10-10 watt and one sided AWGN spectral density of 10-14
watt/Hz is assumed.
Q5: Find the error probability of 1200 baud coherent FSK with f₁=1000 Hz, f2=2300
Hz. Assume 10-¹0 watt available signal power and one sided AWGN spectral
density of 10-14 watt/Hz.
Q6: Compare the error probability of the following 1600 baud sinusoidal digital
modulation techniques assuming 10-10 watt signal power and n=10-¹4 watt/Hz. (a)
19
Digital Communication, 3rd year, Lect#3
Prof. Dr. Hikmat N. Abdullah
coherent ASK(OOK) (b) coherent PSK (c) coherent FSK (d) noncoherent ASK
(e) noncoherent FSK (f) noncoherent PSK (DPSK).
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