clc; clearvars;
% input parameters
UE = 500; % UEs number
BI = 20; % backoff indicator
UE_ID = [1:UE]';
t_bo = backoff(UE,BI);
results = [UE_ID,t_bo];
figure(1)
stem(t_bo);
figure(2)
hist(t_bo);
disp(results)