How to avoid intersection of node in WSN node deployment.

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ALA SHARAF 2019-2-6

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https://ww2.mathworks.cn/matlabcentral/answers/443432-how-to-avoid-intersection-of-node-in-wsn-node-deployment

评论： ALA SHARAF 2019-2-6

I have created a WSN scenario and node deployment.But in real world no two WSN nodes can be in same position.how to avoid intersection of nodes.the code used for node deployment is given below.

 for i = 1:numNode
        % x coordination of node
        nodeArch.node(i).x      =   rand * netArch.Yard.Length;
        nodeArch.nodesLoc(i, 1) =   nodeArch.node(i).x;
        % y coordination of node
        nodeArch.node(i).y      =   rand * netArch.Yard.Width;
        nodeArch.nodesLoc(i, 2) =   nodeArch.node(i).y;
        % the flag which determines the value of the indicator function? Ci(t)
        nodeArch.node(i).G      =   0; 
        % initially there are no cluster heads, only nodes
        nodeArch.node(i).type   =   'N'; % 'N' = node (nun-CH)
        nodeArch.node(i).energy =   netArch.Energy.init;
        
        nodeArch.node(i).CH     = -1; % number of its CH ?
        nodeArch.dead(i)        = 0; % the node is alive
    end

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Answer 1

KSSV 2019-2-6

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https://ww2.mathworks.cn/matlabcentral/answers/443432-how-to-avoid-intersection-of-node-in-wsn-node-deployment#answer_359701

Get the distance between the picked points and other points, you may use knnsearch or pdist, pdist2......if the distance is zero (or some tolerance) then the points are same.....as you know the indices..you can discard those points.