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a binary symmetric channel with error probability p1 is followed by an erasure channel with erasure probability p2
a determine the mathematical expressions for ilnbspand vlnbspfollowing the closing of the switch in given figureb
determine the capacity of the channel described by the channel matrix shown below sketch your result as a function of p
a signal has a gaussian amplitude-density function with zero mean and variance sigma2 the signal is sampled at 500
a determine the mathematical expressions for il and vl following the closing of the switch in given figureb calculate
two binary symmetrical channels are in cascade as shown in figure 1145 determine the capacity of each channel the
for the following circuit with r11komega r29komega r310komega r41komega r51komega v15v and v210v find current i and the
a source output consists of nine equally likely messages encode the source output using both binary shannon-fano and
determine the quantizing levels in terms of sigma so that the entropy at the output of a quantizer is maximized assume
a 87 parity-check code is used on a channel having symbol-error probability p determine the probability of one or more
a two-hop satellite communications channel uses bpsk signaling the uplink snr is 8 db and the downlink snr is 5 db
a balanced three-phase source supplies power to three wye-connected loads as depicted in the single-phase diagram of
a source has two outputs a b with respective probabilities determine the entropy of the fourthorder extension of this
a source has five equally likely output messages determine a shannon-fano code for the source and determine the
figure 01 shows the circuit diagram of a magnetic stimulator made by an international biomedical electronics company
a parity-check code has the parity-check matrixdetermine the generator matrix and find all possible code
write the parity-check matrix and the generator matrix for a 15 11 single error-correcting code assume that the code is
use the result of the preceding problem to determine the parity-check matrix for the coder shown in figure 1115 use the
the hamming code was defined as a code for which the ith column of the parity-check matrix is the binary representation
find v and i in the circuit of given figure with a
what is the constraint span of the convolutional coder shown in figure 1147 how many states are required to define the
for the circuit of given figure find vab if a k 0 and b k 001 do not use network theorems to simplify the circuit
determine the state diagram for the convolutional coder shown in figure 1148 draw the trellis diagram through the first
a source produces binary symbols at a rate of 5000 symbols per second the channel is subjected to error bursts lasting
referring to a37 and the accompanying discussion suppose that two calibrated noise sources have effective temperatures