please solve the above problem using matlab. system that v (8-5) As a communicat

Question

please solve the above problem using matlab.

system that v (8-5) As a communication engineer, you are asked to design a provide radio communications within a circular "cell" area, A designed that will have a 4-mile radius. Zero-decibel g sumed to be employed in both the base and the mobile. The coma system being proposed requires a power level of -107 dBm to achieve a specified minimum level of performance. The radio loss is assumed to be given by a Hata model, which is given by 1 gain antemas into the re tecala path loss (dB) A+ Blog oR where R is the distance in miles from the transmitter, A 127B B = 35, Determine the required transmit power needed to achieve a recen, signal level of -107 dBm at the mobile receiver. Assume that the i receiver is the only user and neglect lognormal shadowing effects

Explanation / Answer

%SOLUTION%
%STEP I : List down the data%
R = 6.43738; %The radius of the cell to be designed is in miles i.e 4 miles which is converted to Km.%
Pr = -107; %desired received signal level in dbm%
A = 127 ;B = 35; %as per data%

%STEP II: List down what we need to find%
Pt; %this the required transmit power to acheive a received signal of -107 dBm%
%STEP III: Solve%
%We have the following expression for Hata model to calculate path loss%
PL = A + B*log10(R);%R is in km
%To find the transmit power we have to neglect the log normal shadowing effects%
%We have Pr = Pt - PL + X. X denotes the log normal shadowing which should be zero%
Pt = Pr + PL;
display(Pt)
% if you run this Pt comes out to be 48.30 dBm%

Please donot hesitate to ask me if you have any doubts regarding the above solution

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