Abstract
For hierarchical wireless sensor network (WSN), the clustered routing protocol can effectively deal with large-scale application requirements, thereby, how to efficiently elect the secure cluster heads becomes very critical. Unfortunately, many current studies only focus on improving security while neglecting energy efficiency and transmission performance. In this paper, a lightweight trust management scheme (LTMS) is proposed based on binomial distribution for defending against the internal attacks. Simultaneously, distance domain, energy domain, security domain and environment domain are considered and introduced to propose a multidimensional secure clustered routing (MSCR) scheme by using dynamic dimension weight in hierarchical WSNs. The simulation results show that LTMS can effectively prevent a malicious node from being elected as a cluster head, and MSCR can achieve a balance between security, transmission performance and energy efficiency under the requirements of environmental applications.
Highlights
The Internet of Things (IoT) is a technology that achieves the connection between things via the Internet
The energy consumption of sensor nodes in low energy adaptive clustering hierarchy (LEACH), Improved LEACH (I-LEACH), LEACH-TLC and multidimensional secure clustered routing (MSCR) will change with the network operation time
The network is self-governed by a hierarchical routing protocol, which can effectively cope with large-scale application scenarios
Summary
The Internet of Things (IoT) is a technology that achieves the connection between things via the Internet. With the rapid development of wireless communication, the wireless sensors are becoming the important components of information collection in IoTs. By using sensors, the devices’ operation status or environmental information connected to them can be obtained. The devices’ operation status or environmental information connected to them can be obtained These wireless sensor nodes are organized into a wireless sensor network (WSN) [1,2,3]. The sensed information is aggregated and transmitted to the Internet via WSN, and the connections between things are achieved. As the important infrastructure, the WSN’s network performance directly determines the operation quality of IoT
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