cost231wi.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 40 行

function loss = cost231w1(distance)

% distance   	: distance between MS and BS in km
% frequency  	: frequency in MHz
% hte        	: height of BS [4,50] meter
% hre        	: height of MS [1,3] meter
% ws	     		: width of the road in meter
% wb	     		: distance between two building in meter
% hb	     		: height of the building in meter 
% fi         	: orientation degree 
% los        	: 1 - LOS
%              	  0 - NLOS
% zone	     	: 1 - Urban area
%	              0 - Sub-urban

hte= 30;
hre= 1.5;
ws=10;
wb=20;
hb=15;
los=0;
zona=1;
frequency=900;

[m,n] = size(distance);
loss = zeros(m,n);
for a = 1:m
    for b = 1:n
        
        fi=90;
        
        if los == 1
            loss(a,b) = -(42.6+26*log10(distance(a,b))+20*log10(frequency));
        else
            loss(a,b) = mscost231(distance(a,b), frequency, hte, hre, ws, wb, hb, zona);
            parcial = rtscost231(frequency, hre, ws, hb, fi);
            loss(a,b) =loss(a,b) + parcial - 32.4 - 40*log10(distance(a,b)) - 20*log(900);
        end   
    end
end