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Research of ZigBee Key Technologies Based on Energy-Optimization

Author: ZhangFenFen
Tutor: WuMeng
School: Nanjing University of Posts and Telecommunications
Course: Signal and Information Processing
Keywords: ZigBee network Dynamic voltage scaling algorithm AODVjr Cluster-Tree Energy Optimization
CLC: TP212.9
Type: Master's thesis
Year: 2012
Downloads: 77
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Abstract


ZigBee is a widely used in smart home , industrial control and medical areas such as two-way wireless communication technology , a low-cost , low-power, low-rate characteristics . ZigBee network node's processing capacity, energy and bandwidth are quite limited, the node is usually powered by a battery , the energy utilization efficiency of the survival period of the network largely dependent on the ZigBee node , so to extend through the energy saving ZigBee node network 's survival of the ZigBee network is critical , the ZigBee node dynamic voltage Scaling (DVS) algorithms and ZigBee routing algorithm for energy-saving mechanism is a significant issue . This paper analyzes the ZigBee network characteristics and the basic concept from two different angles of the node and network routing algorithms for dynamic voltage scaling (DVS) algorithms and AODVjr, Cluster-Tree . The DVS algorithm specific analysis DVS algorithm based on the improvement of energy consumption savings , improved DVS algorithm has a higher energy-saving performance and verified by numerical calculation . Specific research, both AODVjr, Cluster-Tree routing algorithm is proposed based on the results of energy performance analysis of the new algorithm to combine the two algorithms Benefits of AODVjr Cluster-Tree and simulation of the new algorithm and the original two kinds of ZigBee routing algorithms are compared and analyzed , better energy-saving effect of a new routing algorithm . Shortcomings of existing routing algorithm for ZigBee network , ZigBee routing algorithm based on energy optimization , the optimization algorithm to consider the depth of the node and the introduction of a neighbor table , try to bypass the remaining critical by dynamically adjusts the node residual energy value low energy nodes to choose the route , the simulation results show that the improved algorithm can balance the network energy consumption , extend the life cycle of the ZigBee network .

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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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