Internet of Things and Wireless Physical Layer Security: A Survey
Internet of Things (IoT) has been a focus of research in the last decade with emphasis on the security aspects like wireless network security, communication security, sensor data security, integrity of physical signals and actuating devices. The existing
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Abstract Internet of Things (IoT) has been a focus of research in the last decade with emphasis on the security aspects like wireless network security, communication security, sensor data security, integrity of physical signals and actuating devices. The existing security techniques are not suitable for IoT applications as the involved devices at the ground level have limited resources, low complexity, energy constraints etc. This survey analyzes various IoT concepts in terms of IoT elements, architecture and communication standards. We also analyze the existing wireless security techniques and security attacks at all the layers of the Open Systems Interconnection (OSI) model with special attention on applicability of wireless physical layer security (WPLS) techniques to achieve security for IoT devices.
Keywords Internet of Things (IoT) Physical layer security (PLS) Wireless security techniques Communication standards Security attacks and challenges
1 Introduction One of the key technologies that conceptualize the Internet of Things (IoT) in the real world is the wireless communication. IoT is an integrated part of future internet in which “smart things/objects” are expected to become active participants in real time processes where they are enabled to interact and communicate among themselves. The basis of the security management of IoT is laid by exploring the security A. Soni (&) R. Upadhyay Institute of Engineering & Technology, DAVV, Indore, M.P, India e-mail: [email protected] R. Upadhyay e-mail: [email protected] A. Jain Shri Govindram Seksaria Institute of Technology and Science, Indore, M.P, India e-mail: [email protected] © Springer Nature Singapore Pte Ltd. 2017 S.C. Satapathy et al. (eds.), Computer Communication, Networking and Internet Security, Lecture Notes in Networks and Systems 5, DOI 10.1007/978-981-10-3226-4_11
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performance of wireless systems [1]. Due to the open and heterogeneous nature of the wireless medium, data exchange may suffer from various attacks, resulting major threat to the security which is a critical concern in wireless network and so in IoT [2]. Physical layer security (PLS) is the primary security solution that focuses on utilizing the physical (PHY) layer properties of the wireless channels to safeguard the confidential information transmission against various attacks and is applicable for IoT [3]. The discussion proceeds with motivation in Sect. 2, in Sect. 3 we discuss the basic elements, architecture and communication standards for IoT. Section 4 flashes on the wireless network security at different layers of OSI model, WPLS and PLS methods for IoT. Section 5 concludes the survey with some areas identified for future work.
2 Motivation Wireless network security is a very critical issue to solve for the IoT. There are various techniques in the literature for wireless security however not all existing techniques are suitable for IoT because the IoT communication devices have some unique characteristics compared to
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