sum of large scale daing and small scale fading

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yusra Ch
yusra Ch 2020-3-11
I have my measured signal in dBm units. My signal is the superpositiopn of large scale fadin and small scale fading. I know that the large scale fading is equal to the averadged power. I would like to separate them. Which on of this codes is correct:
smallScaleFading_dBm=MeasuredPower_dBm - MeanPower_dBm; % subtruct in dBm units than convert to linear units
smallScaleFading_linear=10.^((smallScaleFading_dBm-30)/20);
%%%% code 2 %%%%
MeasuredPower_linear=10.^((MeasuredPower_dBm-30)/20); % convert in linear units than subtruct
MeanPower_linear=10.^((MeanPower_dBm-30)/20);
smallScaleFading_linear=MeasuredPower_linear - MeanPower_linear;

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