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An adaptive timer for RPL to handle mobility in wireless sensor networks - 2016

Author(s) Name:  Fatma Gara; Leila Ben Saad; Elyes Ben Hamida; Bernard Tourancheau and Rahma Ben Ayed
Journal name:  
Conferrence name:  International Wireless Communications and Mobile Computing Conference (IWCMC)
Publisher name:  IEEE
DOI:  10.1109/IWCMC.2016.7577138
Research Area:  Internet of Things
Abstract:

This paper focuses on the performance of wireless sensor networks characterized by a hybrid topology composed of mobile and static sensor nodes. The Routing Protocol for Low power and lossy networks (RPL), which is standardized as an IPv6 routing protocol for low power and lossy networks, uses the trickle timer algorithm to handle changes in the network topology. However, this algorithm is not well adapted to dynamic environments. This paper enhances the trickle timer in order to fit with mobility requirements. Most of previous works have improved this algorithm without considering the random movement of nodes. In this work, the proposed timer algorithm takes into consideration the random trajectory of mobile nodes, pause time and nodes velocity. It is also dynamically adjusted to prevent from node disconnections. The performance of the modified protocol is evaluated and compared with native RPL, MERPL and RPL with reverse Trickle. The results show that our protocol optimization offers better performance.

Volume Information:  
Journal Link:

https://ieeexplore.ieee.org/abstract/document/7577138