rtscost231.m

来自「这是一个基于matlab/RUNE环境的移动通信网络仿真程序包」· M 代码 · 共 22 行

function saida = rtscost231(frequencia, hre, ws, hb, fi)

dhm = hb - hre;
perda = 0;
lzero = 0;
if fi < 35
  lzero = -10+0.354*fi;
elseif fi >= 35 & fi < 55
  lzero = 2.5+0.075*(fi-35);
else
  lzero = 4.0-0.114*(fi-55);
end
saida = frequencia * 0;


for n = 1 : length(frequencia),
   perda = -16.9 -10*log10(ws) + 10*log10(frequencia(n)) + 20*log10(dhm) + lzero;
   if perda < 0
      perda = 0;
   end   
   saida(n) = perda;
end