Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
consider the downlink of the is-856 system1 suppose there are two users on the cell edge users are scheduled on a
1 consider the uplink of an is-95 systema a single cell is modeled as a disk of radius 1 km if a mobile at the edge
1 consider the uplink of a single is-95 cell where all the users are controlled to have the same received power p at
the sum constraint in applies because the two users send inde- pendent information and cannot cooperate in the encoding
in the text we have analyzed the performance of fading channels under the assumption of receiver csi the csi is
this exercise applies basic capacity results to analyze the is-856 system you should use the parameters of is-865 given
in this exercise we study the price of channel inversion1 consider a narrowband rayleigh flat fading siso channel
consider the frequency-selective channel with csi only at the receiver with l iid rayleigh faded paths1 compute the
in this exercise we study the outage capacity of the parallel channel in further detail1 find an approximation for
consider a system with 1 transmit antenna and l receive antennas independent cn 0 n0 noise corrupts the signal at each
the outage performance of the slow fading channel depends on the randomness of log1 lhl2snr one way to quantify the
consider a linear cellular model with equi-spaced base-stations at distance 2d apart with a reuse ratio of p
in the downlink of a cdma system each users signal is spread onto a pseudonoise sequence13 uncoded bpsk modulation is
consider the uplink of a single-cell cdma system with n users active all the time in the text we have assumed the
out-of-cell interference averaging consider a cellular system with two adjacent single-dimensional cells along a
consider the uplink of a cdma system suppose there is only a single cell with just two users communicating to the
we have studied the performance of the alamouti scheme in a channel with two transmit and one receive antenna suppose
the pairwise error probability analysis for the iid rayleigh fading channel has led us to the product distance for time
1 it is suggested that full diversity gain can be achieved over a rayleigh faded miso channel by simply transmitting
the optimal coherent receiver for repetition coding with l branches of diversity is a maximal ratio combiner for
1 compute the probability density function of the magnitude x of a complex circular symmetric gaussian random variable
1 consider the two-path example d 2 km and the receiver at 15 km from the transmitter moving at velocity 60 kmh away
gallager assume that a communication channel first filters the trans- mitted passband signal before adding wgn suppose
study the following full-wave rectifier circuita vary the filter capacitor c 100uf 500uf 1000uf with each capacitance