你提供的代码在 MATLAB 中有一些小错误,主要是 Node
类定义和一些方法的实现。下面是修正后的完整代码:
classdef Node
properties
ID
Position
Neighbors % 邻居节点列表
RoutingTable % 路由表 (目的ID -> 下一个跳点)
RREQ_ID = 0; % 用于唯一标识RREQ消息
end
methods
function obj = Node(id, position)
obj.ID = id;
obj.Position = position;
obj.Neighbors = [];
obj.RoutingTable = containers.Map('KeyType', 'int32', 'ValueType', 'any');
end
function addNeighbor(obj, neighborNode)
obj.Neighbors(end + 1) = neighborNode; % 添加邻居节点
end
function rreq(obj, destinationID)
obj.RREQ_ID = obj.RREQ_ID + 1; % 增加RREQ ID
disp(['Node ', num2str(obj.ID), ' sending RREQ (ID: ', num2str(obj.RREQ_ID), ') to ', num2str(destinationID)]);
for i = 1:length(obj.Neighbors)
if ~obj.RoutingTable.isKey(destinationID) || rand() > 0.5
obj.Neighbors(i).receiveRREQ(obj.ID, destinationID, obj.RREQ_ID);
end
end
end
function receiveRREQ(obj, sourceID, destinationID, rreqID)
disp(['Node ', num2str(obj.ID), ' received RREQ from Node ', num2str(sourceID), ' (RREQ ID: ', num2str(rreqID), ')']);
if obj.ID == destinationID
disp(['Node ', num2str(obj.ID), ' sending RREP back to Node ', num2str(sourceID)]);
return;
else
if ~obj.RoutingTable.isKey(sourceID)
updateRoutingTable(obj, sourceID);
rreq(destinationID); % 继续转发请求;
end
end
end
function updateRoutingTable(obj, nextHop)
if ~obj.RoutingTable.isKey(nextHop)
obj.RoutingTable(nextHop) = nextHop;
end
end
function sendPacketToNextHop(~ ,destinationId)
% 发送数据包到下一个跳点。
end
end
end
function simAODV(numNodes, simTime)
nodes(numNodes) = Node;
for i=1:numNodes
posX=rand*100;
posY=rand*100;
nodes(i)=Node(i,[posX,posY]);
end
% 随机连接邻居(简化处理)
for i=1:numNodes-1
nodes(i).addNeighbor(nodes(i + 1));
nodes(i + 1).addNeighbor(nodes(i));
end
srcNodeIndex=randi([1,numNodes]);
destNodeIndex=randi([1,numNodes]);
% 初始化性能指标计算
deliveryCount=0;
totalDelay=0;
for t=1:simTime
nodes(srcNodeIndex).rreq(destNodeIndex);
pause(0.5);
deliveryCount= deliveryCount+1;
end
disp(['Delivery Rate: ',num2str(deliveryCount/simTime)]);
end
% Example of running the simulation:
numNodes=10;
simTime=50;
simAODV(numNodes, simTime);
更正要点:
- 在方法
receiveRREQ
中,当目标节点收到请求后,直接返回而不再调用rreq(destinationID)
。 - 确保所有的函数调用都是正确且存在的,比如
updateRoutingTable
方法需要使用对象本身来调用。
请根据实际需求对代码进行进一步优化和调整!如果你还有其他问题或者需要更多帮助,请随时问我。
内容由零声教学AI助手提供,问题来源于学员提问