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  • Open Access


    Fuzzy Logic Based Handover Authentication in 5g Telecommunication Heterogeneous Networks

    J. Divakaran1,*, Arvind Chakrapani2, K. Srihari3

    Computer Systems Science and Engineering, Vol.46, No.1, pp. 1141-1152, 2023, DOI:10.32604/csse.2023.028050

    Abstract Under various deployment circumstances, fifth-generation (5G) telecommunications delivers improved network compound management with fast communication channels. Due to the introduction of the Internet of Things (IoT) in data management, the majority of the ultra-dense network models in 5G networks frequently have decreased spectral efficiency, weak handover management, and vulnerabilities. The majority of traditional handover authentication models are seriously threatened, making them vulnerable to a variety of security attacks. The authentication of networked devices is the most important issue. Therefore, a model that incorporates the handover mechanism and authentication model must be created. This article uses a fuzzy logic model to… More >

  • Open Access


    Conflict Resolution Strategy in Handover Management for 4G and 5G Networks

    Abdulraqeb Alhammadi1,*, Wan Haslina Hassan1, Ayman A. El-Saleh2, Ibraheem Shayea3, Hafizal Mohamad4, Yousef Ibrahim Daradkeh5

    CMC-Computers, Materials & Continua, Vol.72, No.3, pp. 5215-5232, 2022, DOI:10.32604/cmc.2022.024713

    Abstract Fifth-generation (5G) cellular networks offer high transmission rates in dense urban environments. However, a massive deployment of small cells will be required to provide wide-area coverage, which leads to an increase in the number of handovers (HOs). Mobility management is an important issue that requires considerable attention in heterogeneous networks, where 5G ultra-dense small cells coexist with current fourth-generation (4G) networks. Although mobility robustness optimization (MRO) and load balancing optimization (LBO) functions have been introduced in the 3GPP standard to address HO problems, non-robust and nonoptimal algorithms for selecting appropriate HO control parameters (HCPs) still exist, and an optimal solution… More >

  • Open Access


    5G Smart Mobility Management Based Fuzzy Logic Controller Unit

    Chafaa Hamrouni1,*, Slim Chaoui2

    CMC-Computers, Materials & Continua, Vol.71, No.3, pp. 4941-4953, 2022, DOI:10.32604/cmc.2022.023732

    Abstract In the paper, we propose a fuzzy logic controller system to be implemented for smart mobility management in the 5G wireless communication network. Mobility management is considered as a main issue for all-IP mobile networks future generation. As a network-based mobility management protocol, Internet Engineering Task Force developed the Proxy Mobile IPv6 (PMIPv6) in order to support the mobility of IP devices, and many other results were presented to reduce latency handover and the amount of PMIPv6 signaling, but it is not enough for the application needs in real-time. The present paper describes an approach based on the IEEE 802.21… More >

  • Open Access


    Proxy-Based Hierarchical Distributed Mobility Management for Tactical Networks

    Myoung-hun Han1,2, Bong-Soo Roh1, Kyungwoo Kim1, Dae-Hoon Kwon1, Jae-Hyun Ham1, KyungHyun Yoon2, Sanghyun Seo3,*

    CMC-Computers, Materials & Continua, Vol.70, No.2, pp. 2381-2399, 2022, DOI:10.32604/cmc.2022.020029

    Abstract An important requirement in a military domain is a highly reliable mobility management method, especially when components of the networks are moving in tactical network environments. To increase reliability, the mobility management technology of the tactical network should be able to reflect the characteristics of the tactical network, such as a limited environment, failure, and hierarchical unit structure. In this paper, we propose a proxy-based hierarchical distributed mobility management scheme, which is highly focused on tactical networks. Considering the characteristics of tactical networks, the proposed scheme is composed of the following: 1) a proxy-based method, 2) a distributed mobility management… More >

  • Open Access


    Multi-Criteria Fuzzy-Based Decision Making Algorithm to Optimize the VHO Performance in Hetnets

    A. Prithiviraj1,*, A. Maheswari2, D. Balamurugan1, Vinayakumar Ravi3, Moez Krichen4,5, Roobaea Alroobaea6, Saeed Rubaiee7, Sankar Sennan1

    CMC-Computers, Materials & Continua, Vol.70, No.1, pp. 323-341, 2022, DOI:10.32604/cmc.2022.015299

    Abstract Despite the seemingly exponential growth of mobile and wireless communication, this same technology aims to offer uninterrupted access to different wireless systems like Radio Communication, Bluetooth, and Wi-Fi to achieve better network connection which in turn gives the best quality of service (QoS). Many analysts have established many handover decision systems (HDS) to enable assured continuous mobility between various radio access technologies. Unbroken mobility is one of the most significant problems considered in wireless communication networks. Each application needs a distinct QoS, so the network choice may shift appropriately. To achieve this objective and to choose the finest networks, it… More >

  • Open Access


    Mobility Management in Small Cell Cluster of Cellular Network

    Adeel Rafiq, Muhammad Afaq, Khizar Abbas, Wang-Cheol Song*

    CMC-Computers, Materials & Continua, Vol.69, No.1, pp. 627-645, 2021, DOI:10.32604/cmc.2021.016529

    Abstract The installation of small cells in a 5G network extends the maximum coverage and provides high availability. However, this approach increases the handover overhead in the Core Network (CN) due to frequent handoffs. The variation of user density and movement inside a region of small cells also increases the handover overhead in CN. However, the present 5G system cannot reduce the handover overhead in CN under such circumstances because it relies on a traditionally rigid and complex hierarchical sequence for a handover procedure. Recently, Not Only Stack (NO Stack) architecture has been introduced for Radio Access Network (RAN) to reduce… More >

  • Open Access


    Reinforcement Learning-Based Optimization for Drone Mobility in 5G and Beyond Ultra-Dense Networks

    Jawad Tanveer1, Amir Haider2, Rashid Ali2, Ajung Kim1,*

    CMC-Computers, Materials & Continua, Vol.68, No.3, pp. 3807-3823, 2021, DOI:10.32604/cmc.2021.016087

    Abstract Drone applications in 5th generation (5G) networks mainly focus on services and use cases such as providing connectivity during crowded events, human-instigated disasters, unmanned aerial vehicle traffic management, internet of things in the sky, and situation awareness. 4G and 5G cellular networks face various challenges to ensure dynamic control and safe mobility of the drone when it is tasked with delivering these services. The drone can fly in three-dimensional space. The drone connectivity can suffer from increased handover cost due to several reasons, including variations in the received signal strength indicator, co-channel interference offered to the drone by neighboring cells,… More >

  • Open Access


    Cluster-Based Group Mobility Support for Smart IoT

    Kanwal Imran1,*, Nasreen Anjum3, Saeed Mahfooz1, Muhammad Zubair2, Zhahoui Yang3, Abdul Haseeb Malik1, Qazi Ejaz Ali1, Madeeha Aman1

    CMC-Computers, Materials & Continua, Vol.68, No.2, pp. 2329-2347, 2021, DOI:10.32604/cmc.2021.017177

    Abstract IPv6 over Low Power Wireless Personal Area Network (6LoWPAN) connects the highly constrained sensor nodes with the internet using the IPv6 protocol. 6LoWPAN has improved the scalability of the Internet of Things (IoTs) infrastructure and allows mobile nodes to send packets over the IEEE 802.15.4 wireless network. Several mobility managements schemes have been suggested for handling the registration and handover procedures in 6LoWPAN. However, these schemes have performance constraints, such as increased transmission cost, signalling overhead, registration, and handover latency. To address these issues, we propose a novel cluster-based group mobility scheme (CGM6) for 6LoWPAN. To reduce the signalling cost… More >

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