Abstract
Mobile wireless sensor network (MWSN) has the features of self-organization, multiple-hop and limited energy resources. It is vulnerable to a wide set of security attacks, including those targeting the routing protocol functionality. In this paper, the existing security problems and solutions in MWSN are summarized, and then a trust management system based on neighbor monitoring is proposed. In the trust management system, the trust value is calculated by the neighbor monitoring mechanism, and the direct trust value and the indirect trust value are combined to establish the distributed trust model to detect the malicious nodes. The consistency check algorithm is capable of defending against the attacks on the trust model. In addition, because of the limited energy of the sensor nodes, the energy-balanced algorithm is introduced to prolong the lifespan of MWSN. The residual energy and energy density are considered in the routing decision. Finally, the simulation experiments show that the proposed algorithm can detect the malicious nodes effectively and achieve the energy-balanced goal to prolong the lifespan of MWSN.
Highlights
Mobile wireless sensor network consists of a large number of micro sensor nodes deployed in the monitoring area, and forms a self-organized network system by the wireless multi-hop communication
In addition to the security threat caused by malicious node attacks, mobile wireless sensor network needs to consider the problem of limited node energy
The routing algorithm in this paper considers the energy factor that includes the remaining energy and energy density to prolong the lifespan of the network
Summary
Mobile wireless sensor network consists of a large number of micro sensor nodes deployed in the monitoring area, and forms a self-organized network system by the wireless multi-hop communication. (2015) A Secure and Energy-Balanced Routing Scheme for Mobile Wireless Sensor Network. A node monitors the behaviors of its neighbor nodes to evaluate their trust values and considers these trust values when the node selects the hop forwarding node. In addition to the security threat caused by malicious node attacks, mobile wireless sensor network needs to consider the problem of limited node energy. The energy factor is considered in the routing algorithm to prolong the lifespan of the network. The routing algorithm in this paper considers the energy factor that includes the remaining energy and energy density to prolong the lifespan of the network. In the rest of the paper, the related work is summarized, while in Section 3 a secure and energy-balanced routing scheme is proposed in detail.
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