cost.m

用MATLAB建立COST模型

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%   Cost-231 Hata模型
%   频率：150Hz-2000MHz
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function hen = cost(distancia, frequencia, hte, hre, zona)

if zona == 1
  hen = cost_urban1(distancia, frequencia, hte, hre);    %  中小城市
elseif zona == 2
  hen = cost_urban2(distancia, frequencia, hte, hre);    %  大城市
elseif zona == 3
  hen = cost_suburban(distancia, frequencia, hte, hre);  %  郊区
else 
  hen = cost_rural(distancia, frequencia, hte, hre);     %  农村
end