Interference mitigation and optimal hop distance measurement in distributed homogenous nodes over wireless sensor network A. Arokiaraj Jovith 1 & S. V. Kasmir Raja 2 & A. Razia Sulthana 3 Received: 23 July 2019 /Accepted: 31 October 2019 # Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract Wireless Sensor Networks (WSN) is in large use in today’ s world against the challenges encountered in the Sensor world. Energy consumption, routing, interference mitigation are a matter of concern in WSN. Perhaps, overruling interference mitigation would solve a number of interconnected problems in WSN. The proposed work is narrowed down to minimize interference in distrib- uted homogenous WSN, ensuring that all the nodes in the network operate with the same transmission power. In this paper, an optimal shortest distance algorithm, Dynamic-Optimal Shortest Path Algorithm (DOSPA) is proposed to identify the shortest path in communication between point to point nodes. As the data traverses a number of intermediary nodes, a privileged network topology has to be built to ensure proper transmission of data. An ideal network topology is hence built dynamically for data transmission. However, a collision between data packets in interconnecting nodes is likely to occur. Furthermore, to minimize collision a non-persistent round-robin CSMA/CD algorithm is proposed. We study the network throughput, packet delay, corruption ratio by increasing the number of nodes and hence also analyzing the system in saturation state. It’ s found that Packet Corruption Ratio (PCR) with CSMA+DOSPA is minimized compared to CSMA. Thus, interference reduction in distrib- uted homogenous nodes is substantially minimized. Keywords Interference mitigation . Dynamic optimal shortest path algorithm . Optimal shortest distance algorithm . Packet corruption ratio 1 Introduction Wireless Sensor Networks (WSN) [1] are a collection of sen- sors spatially spread in the environment. The sensors are de- ployed to record and monitor the substantial nature of the physical condition. WSN has its own potential imprints in wide applications like Military domain, health care domain, civil domain, etc. WSN is predominantly applied in hostile environments where human presence is impossible. A con- ventional WSN is a collection of a number of sensor nodes that probes the environmental state and notifies the underlying application to act accordingly. All the sensory information finally reaches the sink node or command node. The sink node can be a gateway or a base station with controller circuits. Thus the expeditious transfer of information between the node and the sink; vice versa decides the efficiency of the WSN. However, interference in WSN is a challenging problem to be handled to further increase the performance of the WSN. Since the sensors in WSN are physically distributed, a central processing base station will be incompetent to manage the infor- mation from sensor nodes and act further. Hence, each sensor should be added with an intelligent unit to transfer to and fro the messages, thus making it a distributed network [ 2]. A sensor can be battery powered or line powered. On average to transfer 0.1 MB of data the power consumed by a sensor would be 0.37 J/ ms. A distributed topology control technique is essential to con- trol the network thereby rising efficiency further. An ideal topol- ogy control unit can better handle a sparsely connected network, This article is part of the Topical Collection: Special Issue on Future Networking Applications Plethora for Smart Cities Guest Editors: Mohamed Elhoseny, Xiaohui Yuan, and Saru Kumari * A. Arokiaraj Jovith arokiara@srmist.edu.in S. V. Kasmir Raja svkr@yahoo.com A. Razia Sulthana razia@dubai.bits-pilani.ac.in 1 Department of Information Technology, SRM Institute of Science and Technology, Kattankulathur 603203, India 2 SRM Institute of Science and Technology, Kattankulathur 603203, India 3 Department of Computer Science, BITS-Pilani, Dubai, United Arab Emirates Peer-to-Peer Networking and Applications https://doi.org/10.1007/s12083-019-00846-9