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1、A Dissertation Submitted to Guangdong University ofTechnology for the Degree of Master(Master of Engineering Science) o KeSearCn On Prea ICtIonbaSeaHybrid Routing Protocol for Wireless Sensor NetworksCandidate：Gao ZepengSupervisor：ProfCheng LianglunMay 201 2SchooI of AutomationGuangdong University o
2、f TechnologyGuangzhou。GuangdongPRChina，510006ABSTRACTABSTRACTThe basic functiorls ofthe Wireless Sensor Network(wsN)is the data transmission ofeach deployed se船or nodes in the monitoring region to the control terminal，making the datatransmission,routing，network topology,load balance and the real tim
3、e of data transmission,etc，become the important research of WSNTherefore，in the energy-limited Wireles SensorNetworks，the routing protocol of optimized the network topology,a stable path fornetworkS data transmission,is a very important and challenging research topicIn Wireles Sensor Networks，flatto
4、pology-based routing protocols，a simple structure，the nodes has the same features and grade，the routing table produced by the feekback oflocal operation,data collection,and danta transmission,will not result in bottlenecks,butbetween the nodes，maintaining the routing table will increasing the burden
5、 of the networkgreatly,In hierarchical-topology-based routing protocols,clustering structure is a goodassigned the task of the nodes,cluster communication to avoid excessive energyconsumption caused by long-distance data transmission,the integration of the data at thecluster head to reduce the amoun
6、t of data transmitted within the network,reflecting the goodenergy saving effectBut,the energy of the cluster head node consume too fast，is notconducive to the coverage and robustness of the network,the working life of the networkwill also been limitedOf the above problems，this paper present the hyb
7、ridtopology-basedrouting protocols,using a clustering structure to make a good effect on the energy savingeffect，improving the cluster head election and the communication between the clusters，making a better result on the network load balancedIn this paper,making a research on Prediction-based Hybri
8、d Routing Protocol forWireless Sensor Networks(PHRP)Frist，analysis and comparison of flattopology-basedrouting protocols and hierarchicaltopology-based routing protocolsThen depthly analysisthe effect of the link quality of the data transmission between the nodes,select PRR tomeasure the link qualit
9、y metrics，and make a research on smooth PRR and the timeless，quantify the AETC，provide a judgment for the upper layer routing protocolsCombin withthe distance between the node and cluster head，link quality and wireless communicationtransmission model,to predict the remaining energy of the node after
10、 the current roundIil广东工业大学硕士学位论文accurately,and COITIC to the prediction mechanism of the cluster l圮adAccrding to thedistance between the node and cluster head，the link quality,and the remaining energy of thecluster head，propose the predicted energy distance，provide the optimal choice judgmentwhile
11、the node joining the cluster structureProposal of minimum path of energy distance onthe communication between clusters,take full account of energy consumption in datatransmission in each cluster head，reflecting a good load balancingResults of the experiment show that，using the predict energy distanc
12、e in theestablishment stage of the cluster structure of PHRP,balance the scale of each clusterstructure,at the韶trnc time，reduce the burden of the cluster head in cluster communicationRelative to the single-hop transmission,the multi-hop minimum path of energy distance inthe communication between the
13、 cluster and the bass station,reduce the consumption of thecluster headbut also to balance the 10ad of cluster headIn which the simulation of theworking life and the load balancing，PHRP has a better effect than LEACH，LEACHEE andCpDCREKeywords：Wireless Sensor Networks；Rrouting protocol；Hybrid topolog
14、y；Load imbalance；Link Quality目录目录摘要IABSTRACT。IIII；I录、rCONTENTSVlI第一章绪论111课题的研究背景及意义。l111研究背景1112研究意义212国内外研究现状及发展趋势。313课题来源及本文主要研究内容6131课题来源6132本文主要研究内容6133论文结构。6第二章无线传感器网络中的混合拓扑路由协议821无线传感器网络混合拓扑路由协议的提出822无线传感器网络中的混合拓扑路由协议9221 MPA路由协议9222 CPDCRP协议1 323本章小结1 6第三章基于SPRR的链路质量预测算法1731 无线传感器网络中的链路质量1732 PI汛的平滑化处理1 933 SPI汛的时效性研究2234链路质量的量化2435本章小结27第四章基于预测的无线传感器网络混合拓扑路由协议
