A security fault-tolerant routing for multi-layer non-uniform clustered WSNs

Zhengwang Ye,Tao Wen,Xiaoying Song,Zhenyu Liu,Chongguo Fu

doi:10.1186/s13638-016-0692-3

Zhengwang Ye, Tao Wen + Show 3 more

Open Access

https://doi.org/10.1186/s13638-016-0692-3

Copy DOI

Abstract

Wireless sensor networks have been studied extensively for their broad range of applications, especially in an environment with no infrastructure. And the nodes failures, link errors, and malicious node attacks are likely to occur quite frequently in wireless sensor networks. It affects the stability and reliability of data transmission. In this paper, we present a security fault-tolerant routing for multi-layer non-uniform clustered wireless sensor networks to improve the security reliability of network operation and data transmission. First, we establish the multi-layer non-uniform clustered network topology, which can effectively avoid the intercluster load imbalance; clustering can effectively reduce the network energy consumption and improve the network reliability. In the cluster head selection process, the trust model and the fuzzy logic are utilized to evaluate the qualification of sensors to become a cluster head. The routing algorithm uses the priority level and the trust value to select the security cluster head as the next hop and builds a route path between the different layers through the cluster head. Secondly, according to the multi-layer of the network topology structure, we present a fault-tolerant algorithm based on rollback strategy. Theoretical analysis and simulations show that the algorithm has the high packet receiving rate by BS and balanced energy consumption. It has good performance in fault tolerance and stability of data transmission, it avoids the hot issue in energy consumption and achieves the network load balance, and it prolongs the entire network life time.

Highlights

With the recent development in wireless sensor networks (WSNs) and multi-functional sensors with digital processing, power supply, and communication capabilities, WSNs are being largely deployed in physical environments for fine-grain monitoring in different types of applications [1]
The establishment of the stable network topology realizes the effective and reliable data transmission, which needs to consider the balance of energy consumption, low transmission delay, and so forth [3]
It is necessary to build the topology of WSNs with stable data transmission, high energy consumption, and low transmission delay

Summary

Introduction

With the recent development in wireless sensor networks (WSNs) and multi-functional sensors with digital processing, power supply, and communication capabilities, WSNs are being largely deployed in physical environments for fine-grain monitoring in different types of applications [1]. In [16], the authors design a clusterbased routing protocol that groups sensor nodes to efficiently relay the sensed data to the sink by uniformly distributing energy dissipation among nodes and reducing latency for high-network data traffic It is the representative of the fault tolerance in multi-player joint optimization and shows better performance. In [18], the authors consider load balance and residual energy of two optimization objectives, present a cluster head selection mechanism based on an adaptively discrete particle swarm optimization, and give the fault-tolerance algorithm to ensure the cluster head two-connectivity. The number cluster heads CH(i) of the ith layer is calculated as follows:

The multi-layer model

Conclusions