Question 5 An FSK system transmits binary data at the rate of 3 Mbps. During transmission,...
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Question 5 An FSK system transmits binary data at the rate of 3 Mbps. During transmission, white Gaussian noise of with power spectral density (No/2) of 10-20 watts per hertz is added to the signal. In the absence of noise, the amplitude of the received sinusoidal wave for digit '1' or '0' is 1 microvolt. (a) Compute the received signal energy per bit. [10 Marks] (b) Calculate the average probability of symbol error, Pe, using the QPSK modulation technique. [10 Marks] Question 5 An FSK system transmits binary data at the rate of 3 Mbps. During transmission, white Gaussian noise of with power spectral density (No/2) of 10-20 watts per hertz is added to the signal. In the absence of noise, the amplitude of the received sinusoidal wave for digit '1' or '0' is 1 microvolt. (a) Compute the received signal energy per bit. [10 Marks] (b) Calculate the average probability of symbol error, Pe, using the QPSK modulation technique. [10 Marks]
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Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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