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question comparison of hard- and soft-decision schemes a binary input channel uses the two input levels a and -a the
question capacity versus bandwidth and snr the capacity of a bandlimited awgn channel with input power constraint p and
question a shortwave ionospheric radio channel is characterized by a multipath spread of tm 5 ms and a doppler spread
question two-path channel determine an appropriate channel model for two-path ionospheric propagation where the
question jakes doppler power spectrum determine the doppler power spectrum of the fading process experienced by a
question suppose a communication channel having a bandwidth w 10 khz is characterized as a multipath channel with
question repeat illustrative problem ii with a rectangular pulse shape in the presence of awgn for snr values of 20 10
question computation of par generate samples of the ofdm signalwhere k 3 2 t 1 s the sample rate f5 200 samples per
question clock synchronization a binary pam communication systems uses a raised-cosine waveform with a rolloff factor
question repeat problem when the transmitter has a square-root duo binary spectral characteristicproblem in a
question in illustrative problem ii the eight psk waveforms had a constant amplitude instead of the rectangular pulse
questionnbspuse matlab to design an fir linear-phase filter that models a low pass band limited channel that has a 12
question in this problem we consider the effect of intersymbol interference isi on the received signal sequence yk for
question pam power spectrum determine the power spectrum of v t when an is an uncorrelated sequence and g t is the
question an alternative method for designing an fir filter that approximates the desired channel characteristics is
question on the same figure that you plotted in problem plot the mean-square distortion when the quantization levels
question repeat problem substituting the uniform quantizer with the optimal nonuniform quantizerproblem a laplacian
question solve illustrative problem with p 01 03 07 099 compare the results and comment on the effect of p on the
question determining the centroids determine the centroids of the quantization regions for a zero-mean unit-variance
question uniform quantizer distortion determine the mean-square error for a uniform quantizer with 12 quantization
question uniform quantizer with levels set to the midpoints find the distortions when a uniform quantizer is used to
question vq for a gaussian source using the lbg algorithm design two-dimensional vector quantizers of rates 05 1 15 2
question uniform pcm generate a sinusoidal signal with amplitude 1 and w 1 using a uniform pcm scheme quantize it once
question uniform pcm generate a sequence of length 500 of zero-mean unit-variance gaussian random variables using upcmm