Abstract

With the tremendous demand for connectivity anywhere and anytime, existing network architectures should be modified. To cope with the challenges that arise due to the increasing flood of devices/users and a diverse range of application requirements, new technologies and concepts must be integrated to enable their benefits. Service providers and business companies are looking for new areas of research to enhance overall system performance. This article gives a detailed survey about the recent 5G technologies, the solutions they provide, and the effect caused by their addition to current cellular networks. It is based on the three most important 5G concepts: Device to Device (D2D), Network Slicing (NS), and Mobile Edge Computing (MEC). This study proposes to design the future 5G networks by the integration of all three technologies. It is believed that spectrum efficiency, energy efficiency, and overall throughput will be greatly improved by using D2D. The system delay and computational load will be reduced as tasks will be handled by edge routers located at the base stations. Thus offloading the core network and the system capital expenses and operational expenses will be reduced significantly by slicing the network.

Highlights

  • Big thing in the future is 5G technology, which is expected to grow three-folds by 2025 with applications ranging from robots, health services automation, smart agriculture machinery, and industrial control systems [1]

  • Mobile Edge Computing (MEC) have multiple mini edge servers placed at the edge network which may compute data in a single or collaborative mode to the cloud/central server placed at the core network [171], [172]

  • They were based on a trade-off between different parameters

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Summary

INTRODUCTION

Big thing in the future is 5G technology, which is expected to grow three-folds by 2025 with applications ranging from robots, health services automation, smart agriculture machinery, and industrial control systems [1]. System overall coverage and capacity can be enhanced significantly resulting in good economic and business gains This detailed research study is based on the comprehensive overview of the aforementioned concepts related to 5G, the history of research work in these areas separately, and the aspect of different benefits achieved by the combination of these different technologies. The scope of this study is to design the future generations cellular networks in such a way that they can support a massive number of devices with an enormous range of customized applications in the least possible time without overloading the infrastructure and core network This will result in enjoying a real-time gaming experience, critical emergency services, high speed, reliable remote applications, and many more with reduced cost.

WIRELESS COMMUNICATION
DISCUSSION
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OPEN CHALLENGES AND FUTURE TRENDS
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