• 大小: 10KB
    文件类型: .m
    金币: 1
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    发布日期: 2021-05-18
  • 语言: Matlab
  • 标签: leach算法  

资源简介

采用leach算法,实现无线传感网络中的能量控制

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代码片段和文件信息

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                      %
% SEP: A Stable Election Protocol for clustered                        %
%      heterogeneous wireless sensor networks                          %
%                                                                      %
% (c) Georgios Smaragdakis                                             %
% WING group Computer Science Department Boston University           %
%                                                                      %
% You can find full documentation and related information at:          %
% http://csr.bu.edu/sep                                                %
%                                                                      % 
% To report your comment or any bug please send e-mail to:             %
% gsmaragd@cs.bu.edu                                                   %
%                                                                      %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%                                                                      %
% This is the LEACH [1] code we have used.                             %
% The same code can be used for FAIR if m=1                            %
%                                                                      %
% [1] W.R.Heinzelman A.P.Chandrakasan and H.Balakrishnan             %
%     “An application-specific protocol architecture for wireless      % 
%      microsensor networks“                                           % 
%     IEEE Transactions on Wireless Communications 1(4):660-6702002 %
%                                                                      %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

clear;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PARAMETERS %%%%%%%%%%%%%%%%%%%%%%%%%%%%

%Field Dimensions - x and y maximum (in meters)
xm = 200;
ym = 200;

%x and y Coordinates of the Sink
sink.x =0.5 * xm;
sink.y = ym + 50;

%Number of Nodes in the field
n = 200

%Optimal Election Probability of a node
%to become cluster head
p=0.05;
packetLength = 4000;%数据包长度 
ctrPacketLength = 100;%控制包长度
%Energy Model (all values in Joules)
%Initial Energy 
Eo = 0.5;
%Eelec=Etx=Erx
ETX=50*0.000000001;
ERX=50*0.000000001;
%Transmit Amplifier types
Efs=10*0.000000000001;
Emp=0.0013*0.000000000001;
%Data Aggregation Energy
EDA=5*0.000000001;

%Values for Hetereogeneity
%Percentage of nodes than are advanced
m=1;
%\alpha
a=1;
INFINITY = 999999999999999;
%maximum number of rounds
rmax=2000

%%%%%%%%%%%%%%%%%%%%%%%%% END OF PARAMETERS %%%%%%%%%%%%%%%%%%%%%%%%

%Computation of do
do=sqrt(Efs/Emp);

%Creation of the random Sensor Network
figure(1);
for i=1:1:n
    S(i).xd=rand(11)*xm;%坐标
    XR(i)=S(i).xd;
    S(i).yd=rand(11)*y

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