一种基于非均匀分簇和建立簇间路由的算法的无线传感器网络路由协议（Matlab代码实现）

news2024/11/23 8:27:05

💥1 概述

📚2 运行结果

🎉3 参考文献

👨‍💻4 Matlab代码

💥1 概述

本文准备了一种路由方法，该方法使传感器通过有效地使用能量将数据从发送方加载到接收器，因为它在 LEACH 协议中使用簇头形成。作为接收器的“水槽”在整个范围内从一个地方随机移动到另一个地方。

传感器节点最初是在给定范围内和相同能量中随机创建的，经过几轮后，传感器的能量发生变化，然后根据该能量选择集群头，死节点以红色表示。我们可以在使用寿命和平均能耗等两个因素中比较现有系统和我们提出的系统进行结果分析。

📚2 运行结果

主函数部分代码：


clc;
clear;
close all;
warning off all;
tic;

%% Create sensor nodes, Set Parameters and Create Energy Model 
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 Initial Parameters 
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n=100;                                  %
Number of Nodes 
in
 the field[Area,Model]=setParameters(n);         %Set Parameters Sensors and Network

%%%%%%%%%%%%%%%%%%%%%%%%% configuration Sensors %%%%%%%%%%%%%%%%%%%%
CreateRandomSen(Model,Area);            %
Create a random scenarioload Locations                          %Load sensor Location
Sensors=ConfigureSensors(Model,n,X,Y);
Sender=n+1;     %Sink
TotalCH=[];
ploter(Sensors,Model,Sender,TotalCH);                  %Plot sensors
for i=1:n
    text(Sensors(i).xd,Sensors(i).yd,int2str(i),'FontSize',10);
end
plot(Sensors(Sender).xd,Sensors(Sender).yd,'w*','MarkerSize',15);

%%%%%%%%%%%%%%%%%%%%%%%%%% Parameters initialization %%%%%%%%%%%%%%%%
countCHs=0;         %counter for CHs
flag_first_dead=0;  %flag_first_dead
deadNum=0;          %Number of dead nodes

initEnergy=0;       %Initial Energy
for i=1:n
      initEnergy=Sensors(i).E+initEnergy;
end

SRP=zeros(1,Model.rmax);    %number of sent routing packets
RRP=zeros(1,Model.rmax);    %number of receive routing packets
SDP=zeros(1,Model.rmax);    %number of sent data packets 
RDP=zeros(1,Model.rmax);    %number of receive data packets 

Sum_DEAD=zeros(1,Model.rmax);
CLUSTERHS=zeros(1,Model.rmax);
AllSensorEnergy=zeros(1,Model.rmax);

%%%%%%%%%%%%%%%%%%%%%%%%% Start Simulation %%%%%%%%%%%%%%%%%%%%%%%%%
global srp rrp sdp rdp
srp=0;          %counter number of sent routing packets
rrp=0;          %counter number of receive routing packets
sdp=0;          %counter number of sent data packets 
rdp=0;          %counter number of receive data packets 

%Sink broadcast start message to all nodes

Receiver=1:n;   %All nodes
Sensors=SendReceivePackets(Sensors,Model,Sender,'Hello',Receiver);

% All sensor send location information to Sink .
 Sensors=disToSink(Sensors,Model);
% Sender=1:n;     %All nodes
% Receiver=n+1;   %Sink
% Sensors=SendReceivePackets(Sensors,Model,Sender,'Hello',Receiver);

%Save metrics
SRP(1)=srp;
RRP(1)=rrp;  
SDP(1)=sdp;
RDP(1)=rdp;

%% Main loop program
for r=1:1:Model.rmax

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    %This section Operate for each epoch   
    member=[];              %Member of each cluster in per period
    countCHs=0;             %Number of CH in per period
    %counter for bit transmitted to Bases Station and Cluster Heads
    srp=0;          %counter number of sent routing packets
    rrp=0;          %counter number of receive routing packets
    sdp=0;          %counter number of sent data packets to sink
    rdp=0;          %counter number of receive data packets by sink
    %initialization per round
    SRP(r+1)=srp;
    RRP(r+1)=rrp;  
    SDP(r+1)=sdp;
    RDP(r+1)=rdp;   
    pause(1)    %pause simulation
    hold off;       %clear figure
    
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    Sensors=resetSensors(Sensors,Model);
    %allow to sensor to become cluster-head. LEACH Algorithm  
    AroundClear=10;
    if(mod(r,AroundClear)==0) 
        for i=1:1:n
            Sensors(i).G=0;
        end
    end