Investigation of failed node method to support healthy communication for linear wireless sensor networks

Abstract

Wireless Sensor Networks (WSNs) are used extensively in many natural environment research and observation applications in the world, and their popularity is increasing day by day. In parallel with these studies, Linear Wireless Sensor Network (LWSN), which is a type of WSNs application, is frequently encountered for reasons such as meeting the security requirements of highways, bridges, pipelines, and border lengths, determining the needs, and observing. In the network structure of LWSNs, the nodes are lined up sequentially and the communication environment is created in a linear order. In this type of wireless networks, communication is carried out with Media Access Control (MAC) protocols, and it is important to design these protocols in accordance with linear array characteristics. Because, as the number of nodes in the network increases, the end-to-end delay of the packets increases and the data traffic of the nodes close to the coordinator node reaches very high levels. Although the increasing number of nodes in linear topology increases the possibility of collision and congestion, it is also important that the network connections of the nodes are not broken and the communication continues in a healthy way. Therefore, protocols developed for linear topologies are expected to have characteristics that can be connected seamlessly and transmit data to the center without error. For this purpose, within the scope of a project, a new MAC protocol has been designed by us, which is effective in minimizing LWSN problems and can ensure the continuity of the network connection in difficult physical conditions. With the failed node method, which is the main subject of our article and introduced in the protocol in question, an important study has been put forward to avoid situations that will disrupt the data transmission of the network.