文件名称:
Exploring Sensor Networks using Mobile Agents
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文件大小: 190kb
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上传时间: 2010-07-10
详细说明： Wireless sensor networks are often di±cult to program and unable to adapt to a changing environment. Mobile agent middleware promises to address both concerns by providing higher-level programming abstractions and the ability to in- ject new agents into a preexisting network. The unique char- acteristics of wireless sensor networks like resource scarcity and emphasis on spatial locality require new algorithms for controlling agent behavior. This paper presents a procedure for one speci¯c behavior: network exploration. Network ex ploration is needed by many tasks ranging from simple data collection to network health monitoring. Our proposed procedure uses a genetic algorithm to determine the num- ber of agents and their itineraries, followed by techniques for in-network adaptation to unpredictable situations like node failure. This paper presents a genetic algorithm and its adaptation strategies. The procedure is evaluated using a wireless sensor network consisting of 25 Mica2 motes run- ning Agilla, a mobile agent middleware for wireless sensor networks. ...展开收缩
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