This book includes high-quality research papers presented at 3rd International Conference on Sustainable Communication Networks and Applications (ICSCN 2021), which is held at Surya Engineering College (SEC), Erode, India, during 29-30 July 2021. This book includes novel and state-of-the-art research discussions that articulate and report all research aspects, including theoretical and experimental prototypes and applications that incorporate sustainability into emerging applications. The book discusses and articulates emerging challenges in significantly reducing the energy consumption of communication systems and also explains development of a sustainable and energy-efficient mobile and wireless communication network. It includes best selected high-quality conference papers in different fields such as Internet of Things, cloud computing, data mining, artificial intelligence, machine learning, autonomous systems, deep learning, neural networks, renewable energy sources, sustainable wireless communication networks, QoS, network sustainability, and many other related areas.

Autorentext
Dr. P. Karrupusamy working as a Professor and Head in Department of Electrical and Electronics Engineering at Shree Venkateshwara Hi-Tech Engineering College, Erode, India. In 2017, He had completed doctorate in Anna University, Chennai and in 2007, he had completed his post graduate Power Electronics and Drives in Government College of Technology, Coimbatore, India. He has more than 12 years of teaching experience. He has published more than 60 papers in national and international journals and conferences. He has acted as conference chair in IEEE and Springer international conferences and Guest editor in reputed journals. His research area includes Modeling of PV arrays, Adaptive Neuro-Fuzzy Model for Grid Connected Photovoltaic System with Multilevel Inverter.

**Dr. Valentina E. Balas is currently Full Professor at Aurel Vlaicu University of Arad, Romania. She is author of more than 300 research papers. Her research interests are in Intelligent Systems, Fuzzy Control, Soft Computing. She is Editor-in Chief to International Journal of Advanced Intelligence Paradigms (IJAIP) and to IJCSE. Dr. Balas is member of EUSFLAT, ACM and a SM IEEE, member in TC EC and TC-FS (IEEE CIS), TC SC (IEEE SMCS), Joint Secretary FIM.

Dr. Yong Shi** is currently working as an Associate/Tenured Professor of Computer Science, Kennesaw State University and Director/Coordinator of the Master of Computer Science. He is the responsible for directing the Master of Computer Science program, reviewing applications for the Master of Computer Science. He has published more than 50 articles in national and international journals. He acted as an editor, reviewer, editorial board member and program committee member in many reputed journals and conferences. His research interest includes Cloud Computing, Big Data, and Cybersecurity.

Inhalt
Internetworking: An Elegant Approach for Configuring Layer-2/ Layer-3 Devices for Attaining Impulsive Outcomes.- A Two Level Security System Based on Multimodal Biometrics and Modified Fusion Technique.- EPO based Clustering and Secure Trust based Enhanced LEACH Routing in WSN.- Design and Simulation of UWB Antenna for 4G Applications.- A Comparative Analysis Between Hyperledger Fabric and Ethereum in Medical Sector: A Systematic Review.- Internet of Things based Devices/Robots in Agriculture 4.0.- A study on Transliteration Techniques and Conventional Transliteration Schemes for Indian Languages.