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Sustainability 2017, 9(10), 1848;

What is 5G? Emerging 5G Mobile Services and Network Requirements

Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 38541, Korea
Department of Electrical, Electronic and Control Engineering, Hankyong National University, Anseong 17579, Korea
Infra Laboratory, KT Corporation, Seoul 06763, Korea
Author to whom correspondence should be addressed.
Received: 29 August 2017 / Revised: 29 September 2017 / Accepted: 11 October 2017 / Published: 15 October 2017
(This article belongs to the Special Issue 5G Mobile Services and Scenarios: Challenges and Solutions)
PDF [6741 KB, uploaded 15 October 2017]


In this paper, emerging 5G mobile services are investigated and categorized from the perspective of not service providers, but end-users. The development of 5G mobile services is based on an intensive analysis of the global trends in mobile services. Additionally, several indispensable service requirements, essential for realizing service scenarios presented, are described. To illustrate the changes in societies and in daily life in the 5G era, five megatrends, including the explosion of mobile data traffic, the rapid increase in connected devices, everything on the cloud, hyper-realistic media for convergence services and knowledge as a service enabled by big-data analysis, are examined. Based on such trends, we classify the new 5G services into five categories in terms of the end-users’ experience as follows: immersive 5G services, intelligent 5G services, omnipresent 5G services, autonomous 5G services and public 5G services. Moreover, several 5G service scenarios in each service category are presented, and essential technical requirements for realizing the aforementioned 5G services are suggested, along with a competitiveness analysis on 5G services/devices/network industries and the current condition of 5G technologies. View Full-Text
Keywords: 5G services; 5G network; technical requirements; network architecture 5G services; 5G network; technical requirements; network architecture

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Yu, H.; Lee, H.; Jeon, H. What is 5G? Emerging 5G Mobile Services and Network Requirements. Sustainability 2017, 9, 1848.

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