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to maintain approximately the same error rate with the addition of one bit per symbol to a pam system how much increase
sketch the probability of outage versus the error rate threshold for bpsk modulation with one and two orders of
design of raised cosine matched filtersthe impulse response of a pair of matched filters that results in a raised
consider the msk version of coherent fsk modulation and assume that transmission begins with an initial phase of pi
suppose that you are asked to design a 168-kbs constellation for a wireless voiceband modem the symbol rate is 2400
what was the first adaptive receiver for frequency-selective fading channels what was the modulation technique for this
name two methods for implementation of a dmf explain how these methods counteract the effects of frequency-selective
a give the block diagram of a discrete channel model for fading multipath channels and identify the tap gains of the
a sketch all eight of the 8-bit walsh sequencesb sketch the autocorrelation function acf of all eight sequencesc sketch
the transmission bandwidth of a tv station is 55 mhz and the minimum acceptable received signal level is 30 db above
can a dsss wlan operate efficiently without power control explain and give an example of a dsss standard that does not
what are the advantages of a rake receiver in a frequency-selective fading multipath channel what happens to these
tapped delay line with component and generic mapa tapped delay line is shown in figure 810 pedroni 2008 note that all
over-registered counterin example 75 an analysis of the counter designed in example 66 was made compile the code
function binarytograya binary-to-gray code converter was proposed in exercise 56 write a function that implements such
pushbutton sequence detectorthis exercise regards the pushbutton sequence detector designed in example 118a estimate
consider a program that maintains an address book design an inheritance hierarchy for the classes such asperson
shan tours is a city centre travel agency that specialises in tours and vacations in malaysia the agency regularly
fpgas are available in a number of sizes given that smaller fpgas will be cheaper what criteria would you use to
a floating-point decimal number may be represented asexplain what the binary numbers s m and e represent how many bits
open-drain cmos logic is used to allow several gates to drive a common bus each gate output can be in a lsquoz state or
a comparator is used to determine whether two signals have equal values a one bit comparator is described bywhere eqi
write an entity description and three architecture models of a 3 to 8 decoder using a boolean operators b a when
a full adder has the following truth table for its sum s and carry co outputs in terms of its inputs a b and carry in
write a test bench to simulate the state machine of exercise 55 and verify the vhdl model by simulationexercise 55draw