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The Study of Multipath Routing Security Based on Minimal Join Region in WSN

Author: LiNing
Tutor: MengYingJie
School: Lanzhou University
Course: Computer Software and Theory
Keywords: Wireless sensor networks Multi - path routing Minimum overlapped Tree FEC Energy distribution
CLC: TP212.9
Type: Master's thesis
Year: 2009
Downloads: 47
Quote: 0
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Abstract


Wireless sensor networks as a new type of communications network with dynamically changing topology , nodes with limited resources , these unique network characteristics that make the security issues become an important aspect of the research in this field , the current sensor network data transmission security effective manner is one of the multi-path transmission of the data . In this case , on the basis of the analysis of the characteristics of wireless sensor networks and the typical multi-path routing process , design a minimum area overlapped multipath transmission model , the model 's architecture , functionality and algorithms more in-depth study , the main research work and innovations made ??in the following main aspects : First, the study of the impact of the transmission range of the nodes on the routing security , the introduction of node transmission range , node disjoint concepts extended , with a transmission range of node disjoint is defined this as the basis to construct a path intersecting relationship tree structured storage paths intersect relationship . Secondly , in order to generate a set of minimum overlapped area of multipath collection , design selection strategy based on the minimum transmission range of the nodes in the path overlapped area of multi-path diversity transmission , given the construction algorithm based on minimum overlapped area of ??multi- path selection . Again, in the data packet and distribution process , in order to ensure the security of the data packet , designed copy encrypted the improvement of the FEC packets packet model , to prevent malicious nodes eavesdropping recovery into full data ; defines the multi-path transmission energy allocated the path right weight parameters to prevent the formation of a single path and network congestion , and improve the efficiency of network transmission . Finally , through simulation experiments smallest stack cross- the multipath transmission model control load , packet error rate , transmission delay and malicious node eavesdropping results show that the transmission scheme has high security and availability .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor > Sensor applications
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