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Calculate FSPL in dB for 5Km and 10Km distances for 5.8GHz and 2.4GHz frequencies

   

Added on  2023-03-30

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A.
Calculate the FSPL in dB for a distance of 5Km and 10Km for two different frequencies
5.8GHZ, 2.4GHz and construct a table as follows:
FSPL(dB)
Distance (Km) 2.4GHz 5.8GHZ
5
10
FSPL – free space path loss is proportional to the gap and frequency. In alternative words, FPSL
is proportional to the sq. of the frequency of the radio emission and yet because it is proportional
to the square of the gap between the transmitter and also the receiver.( Idc-onlinecom. 2019.)
The FSPL in sound unit for a distance of 5Km and 10Km for 2 totally different frequencies
5.8GHZ, 2.4GHz is calculated as follows:
Formula:
FPSL (dB) = 20 log10 (d) + 20 log10 (f) +32.45
The FSPL in dB for a distance of 5Km and for the frequency of 2.4GHz is calculated as follows:
For 2.4GHz,
At, d=5 Km
FPSL (dB) = 20 log10 (5) + 20 log10 (2.4G) +32.45
= 13.9794 + 187.60 + 32.45
= 234.02 dB
The FSPL in dB for a distance of 10Km and for the frequency of 2.4GHz is calculated as
follows:
At, d=10 Km
FPSL (dB) = 20 log10 (10) + 20 log10 (2.4G) +32.45
= 20 + 187.60 + 32.45
= 240.05 dB
For 5.8GHz,

The FSPL in dB for a distance of 5Km and for the frequency of 5.8GHz is calculated as follows:
At, d=5 Km
FPSL (dB) = 20 log10 (5) + 20 log10 (5.8G) +32.45
= 13.9794 + 195.268 + 32.45
= 241.697 dB
The FSPL in dB for a distance of 5Km and for the frequency of 5.8GHz is calculated as follows:
At, d=10 Km
FPSL (dB) = 20 log10 (10) + 20 log10 (5.8G) +32.45
= 20 + 195.268 + 32.45
= 247.718 dB
Below is a table summarizing the FPSL in dB for given distance of 5Km and 10Km for two
different frequencies 5.8GHZ, 2.4GHz
FSPL(dB)
Distance (Km) 2.4GHz 5.8GHZ
5 234.02 241.697
10 240.05 247.718
B.
For the information given below, calculate the link budget analysis for the wireless system,
which will involve calculating the following:
Received power
Link margin
Distance: 5Km
Frequency: 5.8GHz
Link type: point-to-point, line-of-sight
Tx power: +23dBm
Antenna gain: 24dBi
Assume negligible loss for cabling and connectors
Receiver sensitivity: -72dBm

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