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Determine the outage probability of an (NT, NR) = (4, 1) MIMO system for an SNR ? = 20 dB .
Determine the transmitted symbols from each antenna for each signaling interval.
In a block diagram, give the precise specifications of the optimum receiver using matched filters. Label the diagram carefully.
Sketch the functional block diagram of the entire receiver, including the demodulator, the combiner, and the detector.
To avoid pulse overlap between successive transmissions, the transmission rate in bits/s is selected to be R = ½T.
he two transmitting antennas are sufficiently separated so as to provide dual spatial diversity in the transmission of the signal.
If a binary memory less source with P(U = 0) = 1-P(U = 1) = 0.4 which generates 7500 symbols per second is to be transmitted once via channel 1 .
Now assume that the transmitter can control the state of the channel and the receiver has access to channel state information.
Determine the capacity of a finite-state channel in which state information is only available at the receiver.
Determine the capacity of a finite-state channel in which the same state information is available at the transmitter .
Determine the capacity of the channel, assuming that channel state information S is available at both sides.
Determine the capacity of this channel, assuming no state information is available to the transmitter or the receiver.
Determine the ergodic capacity of the channel when perfect state information is available at both sides.
Determine the optimal rotation that maximizes the coding gain.
Determine the optimal decision rule for this channel for Ricean fading when the state information is available at the receiver and when it is not available.
The outage probability of a diversity combiner is defined as the percentage of time the instantaneous output SNR of the combiner is below some prescribed level.
Calculate the autocorrelation function of the sequence {h(m)} denoted by Rh(m).
Determine an upper (union) bound of the code word error probability for AWGN and soft-decision decoding.
Determine the value of a that maximizes the required eb/N0 (worst-case pulse jamming) and the resulting maximum value of eb/N0
etermine the value of a that maximizes the required eb/N0 (worst-case partial band jamming) and the resulting maximum value of eb/N0.
The scattering function S(t ; ?) for a fading multipath channel is nonzero for the range of values 0 = t = 1 ms and -0.1 Hz = ? = 0.1 Hz.
Determine the error rate performance Pbh for a hard-decision decoder following the square-law-detected signals.
Explain whether or not the RAKE receiver can be implemented as a coherent receiver with maximal ratio combining.
What is the probability of error assuming that s(t) was transmitted? Express your answer as a function for the SNR E/N0.
A DS spread spectrum system is used to resolve the multipath signal components in a two-path radio signal propagation scenario.