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Experimental Studies
Experimental studies were conducted to validate the simulation results obtained in the previous phase. We implemented the designed PHY layer on two software-defined radios (SDRs) and conducted experiments to measure its performance in a real-world environment. The experiments were conducted in an open field, with one SDR acting as a transmitter and the other as a receiver. We varied the distance between the two SDRs to measure the range of the PHY layer, and also measured the data rate and energy efficiency of the PHY layer at different distances. The results of the experiments were compared with the simulation results to verify the accuracy of the simulation model. The experimental results showed good agreement with the simulation results, indicating that the simulation model accurately predicted the performance of the designed PHY layer in a real-world environment.
While I cannot provide a specific MATLAB code for your experiment without knowing the specific details of your PHY layer and SDR setup, I can provide a basic framework for how you might structure your data collection and analysis in MATLAB.
Firstly, you will have to collect your data. Depending on how your SDRs are set up, you might use different methods for this. Here's a simple example of a loop that measures data rate and energy efficiency at different distances:


% Initialize your variables
distances = linspace(1, 100, 100); % Example distances
data_rate = zeros(1, length(distances));
energy_efficiency = zeros(1, length(distances));


% Loop through all distances
for i = 1:length(distances)
% Configure your SDRs for the current distance
% Assuming you have a function setDistance() that handles this
setDistance(distances(i));

% Perform your measurement
% Assuming you have functions measureDataRate() and measureEnergyEfficiency() that handle this
data_rate(i) = measureDataRate();
energy_efficiency(i) = measureEnergyEfficiency();
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