Improved Localization Scheme for Wireless Sensor Networks

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Provided by: International Journals of Advanced Information Science and Technology (IJAIST)
Topic: Networking
Format: PDF
Localization in mobile sensor networks is more challenging than in static sensor networks because mobility increases the uncertainty of nodes positions. The localization algorithms used in the Mobile Sensor Networks (MSNs) are mainly based on Sequential Monte Carlo (SMC) method. The existing SMC based localization algorithms commonly rely on increasing beacon density in order to improve localization accuracy and suffers from low sampling efficiency and also sampling in those algorithms are static and have high energy consumption. Those algorithms cannot able to localize sensor nodes in some circumstances.
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