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Research on a Simple Energy Aware Directed Diffusion WSN Routing Protocol

Author: LiHai
Tutor: LiuXiaoWei
School: Harbin Institute of Technology
Course: Microelectronics and Solid State Electronics
Keywords: water process wireless sensor network routing protocol networksimulation
CLC: TP212.9
Type: Master's thesis
Year: 2012
Downloads: 7
Quote: 0
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Abstract


As economic developing, China’s water pollution problem has become increasinglyprominent, so it is imperative to treat the water efficiently. Due to the high cost andwiring inconvenience, traditional way of collecting the water quality parameters throughfield-bus sensors severely limits the flexibility of water treatment, whereas the use ofwireless sensor networks can overcome the defects. This article studied on thecharacteristics of the wireless sensor networks of water treatment control environment,proposed an improved directed diffusion routing protocol (SEA-DD) according to thecharacteristics of the network.SEA-DD is a query routing protocol, suitable for water treatment control system inthe water quality parameter monitoring, and request and routing information isaggregated into a packet to reduces the cost of routing communication. Each datacollection began with the request for data dissemination of information to establish theoptimal path, thus ensuring a reliable and efficient routing, and greatly reduces the sizeof the routing table. In addition, the SEA-DD uses dormant mechanism undernegotiation, to help save energy of sensor nodes.The SEA-DD routing protocol was simulated in NS2. Simulation results show that:in the wireless sensor network simulation model, the routing time, the network averagepacket delay, the stability of network performance of SEA-DD network is much betterthan AODV network. The route set-up time can be achieved3ms, whose speed is morethan seven times the AODV network, and the network packet loss rate is less than1%when the data traffic is less than50Kbps, and with the increase of the routing nodes,network performance is significantly improved, showing the advantages of multi-pathrouting. The indicators of SEA-DD are well positioned to meet the requirements of thewater treatment control system for the performance of wireless sensor networks.

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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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