Journal
SENSORS
Volume 16, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/s16020229
Keywords
trust evaluation; collaborative secure localization; underwater wireless sensor networks
Funding
- Qing Lan Project
- National Science Foundation of China [61572172, 61401107]
- Natural Science Foundation of Jiangsu Province of China [BK20131137]
- Guangdong Provincial Key Laboratory of Petrochemical Equipment Fault Diagnosis [PEFD2015-06]
- Educational Commission of Guangdong Province, China [2013KJCX0131]
- Guangdong High-Tech Development Fund [2013B010401035]
- Special Fund of Guangdong Higher School Talent Recruitment
- Instituto de Telecomunicacoes, Next Generation Networks and Applications Group (NetGNA), Covilha Delegation, Portugal
- FCT aAS Fundacao para a Ciencia e a Tecnologia [UID/EEA/500008/2013]
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Localization is one of the hottest research topics in Underwater Wireless Sensor Networks (UWSNs), since many important applications of UWSNs, e.g., event sensing, target tracking and monitoring, require location information of sensor nodes. Nowadays, a large number of localization algorithms have been proposed for UWSNs. How to improve location accuracy are well studied. However, few of them take location reliability or security into consideration. In this paper, we propose a Collaborative Secure Localization algorithm based on Trust model (CSLT) for UWSNs to ensure location security. Based on the trust model, the secure localization process can be divided into the following five sub-processes: trust evaluation of anchor nodes, initial localization of unknown nodes, trust evaluation of reference nodes, selection of reference node, and secondary localization of unknown node. Simulation results demonstrate that the proposed CSLT algorithm performs better than the compared related works in terms of location security, average localization accuracy and localization ratio.
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