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Problem:
(a) Compare the different MAC schemes, namely FDMA, SDMA, TDMA and CDMA.
(b) Describe with help of diagrams the different phenomena involved in multipath propagation.
(c) Draw and explain the functions of the main components in a cellular network.
(d) What is difference between a control channel and a data channel. Describe how the control channel can be more effective for communications at time of natural disaster.
(e)
i. Describe how channel re-use and frequency re-use will increase the number of users in a cellular network.
ii. State another solution that may increase the number of users in a cell, is it cheaper than the 2 previous solutions mentioned in i?
Explain the Alphanumeric Coding - bcd to decimal conversion? For the inherently binary world of computer, it is necessary to put all symbols, letters, numbers, and so on into bin
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WHAT IS MIDPOINT BIASING OF A TRANSISTOR?
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Q. The parameters of a BJT are given by α = 0.98, I CBO = 90 nA, and i C = 7.5 mA. Find β, iB, and iE.
Explain the effect of temperature on electrical conductivity of metals. As the temperature is increased, there is a greater thermal motion of atoms which decreases the regulari
A step index multi mode fibre along with numerical aperture of 0.2 supports approximately 1000 modes at an 850µm wavelength. Calculate a) What is the diameter of the core? b)
After I complete my diploma how I get a job in goverment
what do we mean when we say that an equation is dimensionally correct?
Octal to binary Conversion Conversion form octal to binary is the reverse of this process. Express each octal digit in three bit binary equivalent. Ex. Convert 3576
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