Inability to meet the key requirement of efficient mobility support is becoming a major impairment of wireless sensor network (WSN). Many critical WSN applications need not only reliability, but also the ability to adequately cope with the movement of nodes between different sub-networks. Despite the work of IETF’s 6lowPAN WG and work on the use of MIPv6 (and many of its variants) in WSNs, no practical mobility support solution exists for this type of networks. In this paper we start by assessing the use of MIPv6 in WSNs, considering soft and hard handoff, showing that, although feasible in small networks, MIPv6 complexity leads to long handoff time and high energy consumption. In order to solve these problems, we propose a proxy-based mobility approach which, by relieving resource-constrained sensor nodes from heavy mobility management tasks, drastically reduces time and energy expenditure during handoff. The evaluation of both MIPv6 and the proposed solution is done by implementation and simulation, with a varying number of nodes, sinks and mobility strategies.
Computer Communications, Vol. 35, #10, pp. 1200-1216, Elsevier, June 2012
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Integration in the Heterogeneous Wireless Sensor Networks Based on Network Layer
Y Ju, Y Bai, Y Zhu, R Wang, Y Li - 2013 - sensorsportal.com
A secure mobility support scheme for 6LoWPAN wireless sensor networks
X Wang, Y Mu - Security and Communication Networks, 2013 - Wiley Online Library
Year 2012 : 1 citations
Intra-Mobility Support Solutions for Healthcare Wireless Sensor Networks–Handover Issues
J Caldeira, J Rodrigues, P Lorenz - 2012 - ieeexplore.ieee.org
