topo_creator.m

RFID系统密集读写PPC算法的设计和仿真

% Create Random topologies
clc;clear all;close all;
reader_m;

dirname = 'Topo';

eval(['cd ' dirname]);
eval(['delete *']);
cd ..;

tic;
for runs = 1:length(nn)
    for mindists = 1:length(mindist)
        for j = 1:length(vars)
            filename = strcat(dirname, '/', 'TOPO_R', int2str(nn(runs)), '_D', num2str(mindist(mindists)), '_V', int2str(vars(j)), '.mat');

            limit = ceil(mindist(mindists)*sqrt(nn(runs)))*(mindist(mindists)/2.5);

            %display('*** Placing Random Nodes');
            for i=1:nn(runs)                  %Initialize node variables and coordinates
                power(i) = pinitial;
                interference(i) = 0;
                dist(i) = 0;
                flag = 0;
                coordinate(i,:) = ceil(limit*rand(1,2));
                while 1
                    for j = 1:i-1
                        if sqrt((coordinate(i,1)-coordinate(j,1))^2+(coordinate(i,2)-coordinate(j,2))^2) < mindist(mindists)
                            flag = 1;
                        end
                    end
                    if flag == 0 
                        break;
                    end
                    coordinate(i,:) = ceil(limit*rand(1,2));
                    flag = 0;
                end
            end

            save(filename, 'coordinate');
        end
    end
end

toc;