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| An ACOBased Fair Energy Usage Routing Algorithm for Wireless Sensor Networks |
| LIANG HuaWei1,2,3, CHEN WanMing1,2, LI Shuai1,2, MEI Tao2, MENG Max2,3 |
1.Department of Automation, University of Science and Technology of China, Hefei 230027
2.Center for Biomimetic Sensing and Control Research, Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031
3.Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong |
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Abstract How to make good use of the limited energy to maximize the network life span is an important problem in the study of the wireless sensor networks (WSN). The life of a WSN depends on the minimum of the residual energy of its nodes. A fair energy usage routing algorithm is proposed which uses the Ant Colony Optimization Algorithm (ACO) to balance the network energy distribution and extend the network life. The proposed algorithm utilizes the dynamic adaptability and optimization capabilities of the Ant Colony to get a treadoff between the shortest path and the fair energy usage. Simulation results show that the proposed algorithm is good at balancing the energy usage, and it effectively extends the span of the network life. The network life span using the ACObased fair energy usage routing algorithm is extended over 33% compared with the one using the shortest path optimization algorithm.
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Received: 30 January 2007
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2007, Vol. 20 
