Mobility Management in Heterogeneous Cellular Networks

An Analysis of Power Consumption and Network Selection Delay in a K-tier Architecture

Keywords: Heterogeneous Cellular Networks, Mobility Management, Handover/Handoff, LTE, 5G, Ultra-dense Networks, network selection delay, power consumption

Abstract

This paper has analysed the mobility management schemes in heterogenous cellular networks (HCNs) considering their power consumptions and network selection delays. The HCNs are the key enabler for 5G cellular network to ensure better user connectivity in ultra-dense networks. Large numbers of small cells are deployed under a macro-cell targeting network hot spot. However, ensuring seamless coverage to the mobile subscribers in motion is challenging in such networks. Frequent handoff between the cells with different bandwidth, throughput, latency, and coverage penetrations, significantly increases the signalling overhead in network. In this context, an efficient mobility management scheme plays a key role for the success of HCN technology. In this paper, a detailed behavioural study of mobility management schemes used in HCN has been provided. For mobile users in the network, the power consumption and network selection delay has been evaluated for k-tier architecture of HCN.

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Author Biographies

Soumya Ranjan Samal, Faculty of Telecommunications Technical University of Sofia, Bulgaria

Soumya Ranjan Samal received his Ph.D. degree in Communication Networks, Faculty of Telecommunications from Technical University of Sofia at Sofia, Bulgaria. He received his B.Tech. degree in Electronics & Instrumentation Engineering from Biju Patnaik University of Technology, Bhubaneswar, India in 2004. Soumya then went on to pursue his M.E. in Computer Science & Engineering from the Utkal University of Bhubaneswar, India in 2009. He, as a Senior Assistant Professor in Silicon Institute of Technology, Bhubaneswar, India has acquired a solid experience about 15 years of teaching in Communication Engineering. Soumya also worked as a Project Engineer in Indian Institute of Technology, Bombay, India in 2005. His research area of interest includes, Interference Management in 5G cellular network, Green Communication movement to develop Energy Efficient solutions through antenna parameters and IoT.

Shuvabrata Bandopadhaya, BML Munjal University, Gurgaon, India

Shuvabrata Bandopadhaya, received his M.Tech. and Ph.D. degrees in Electronics and Telecommunication Engineering from KIIT University, India in 2009 and 2015, respectively. Currently, Dr. Bandopadhaya is faculty in School of Engineering and Technology, BML Munjal University, India. His research area of interest includes wireless communications, machine learning and IoT.

Kaliprasanna Swain, Gandhi Institute for Technological Advancements, Bhubaneswar, India

Kaliprasnna Swain is a Ph.D. student at the Biju Patnaik University of Technology, Odisha, India. He is currently working as Senior Assistant Professor in the department of Electronics and Communication Engineering in Gandhi Institute of Technological Advancements, Bhubaneswar, India. He received his M.Tech. degree from KIIT University and B.Tech. from Biju Patnaik University of Technology, Odisha, India. He has over 17 years of teaching and more than 5 year of research experience. His research area includes optical embedded systems, photonics, IoT, Mobile Communication etc. He has authored several scientific publications. He is the Prof. in-charge of Robotics society and life member of ISTE and AMIE.

Vladimir Poulkov, Faculty of Telecommunications Technical University of Sofia, Bulgaria

Vladimir Poulkov has received the M.Sc. and Ph.D. degrees from the Technical University of Sofia, Sofia, Bulgaria. He has more than 30 years of teaching, research, and industrial experience in the field of telecommunications, as a Research and Development Engineer in industry, and has been a Full Professor with the Faculty of Telecommunications, Technical University of Sofia, since 1981. He has successfully managed and realized numerous industrial and engineering projects, related to the development of the transmission and access network infrastructures in Bulgaria, many Research and Development and educational projects. He was the Dean of the Faculty of the Telecommunications from 2007 to 2015. He is currently the Head of the Teleinfrastructure Research and Development Laboratory with the Technical University of Sofia, and the Chairman of the Bulgarian Cluster of Telecommunications, Sofia, Senior IEEE Member and co-founder of the CONASENSE (Communication, Navigation, Sensing and Services) society. He has authored more than 100 scientific publications and is tutoring B.Sc., M.S.C.C., and Ph.D. courses in Information Transmission Theory and Next Generation Access Networks. His current research interests include interference and resource management in next-generation network and Internet of Things.

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Published
2021-02-04
Section
CONASENSE