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Diffstat (limited to '3542/CH4/EX4.10/Ex4_10.sce')
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1 files changed, 32 insertions, 0 deletions
diff --git a/3542/CH4/EX4.10/Ex4_10.sce b/3542/CH4/EX4.10/Ex4_10.sce new file mode 100644 index 000000000..c1b75bd32 --- /dev/null +++ b/3542/CH4/EX4.10/Ex4_10.sce @@ -0,0 +1,32 @@ +// Example no 4.10
+// To find the power at receiver
+// Page no. 152
+
+clc;
+clear all;
+
+// Given data
+d=50*10^3; // Distance between transmitter and receiver in m
+hte=100; // Effective heigth of transmitter in m
+hre=10; // Effective heigth of receiver in m
+EIRP=1*10^3; // Radiated power in Watt
+f=900*10^6; // Operating frequency in Hz
+c=3*10^8; // Speed of ligth in m/s
+lambda=c/f; // operating wavelength in m
+EIRP=20*log10(EIRP); // Radiated power in dB
+Gr=0; // Receiving gain in dB
+
+Lf=-10*log10(lambda^2/(4*%pi*d)^2); // Free space path loss in dB
+Amu=43; // Attenuation relative to free space in dB from Okumuras curve
+Garea=9; // Gain due to type of environment in dB from Okumuras curve
+Ghte=20*log10(hte/200); // Base station antenna heigth gain factor for 1000m > hte > 30m
+Ghre=20*log10(hre/3); // Mobile antenna heigth gain factor for 10m > hre > 3m
+L50=Lf+Amu-Ghte-Ghre-Garea; // Total mean path loss
+
+// The median reeived power
+Pr=EIRP-L50+Gr;
+
+//Displaying the result in command window
+printf('\n The power at receiver = %0.2f dBm',Pr);
+
+//Answer is varrying due to round-off error
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