Abstract
This paper provides a survey for the main challenges of future research and development (R&D) for next generation mobile networks (NGNs). It addresses software and hardware re- configurability with focus on reconfigurable coupling and interworking amongst heterogeneous wireless access networks. It also explores the promising technologies for NGNs such as nanotechnology, cloud computing and texting by thinking. The paper then highlights the challenging research areas for enhancing network performance and affordability beginning with All IP network and security issues, Vehicular Ad Hoc Networks (VANET) and the necessity of high data rates at cell edges. Investigating the viability of cooperative networks and one unified global standard for NGNs, the paper analyzes macro- diversity and advanced multi-cell coordination for mitigating inter-cell interference. Direct device-to-device communication, global coverage using satellites and high-altitude platforms are presented as possible evolution paths for space roaming and extending NGN' radio-access. Finally, the paper inspects the most developing applications for NGNs such as World-Wide Wireless Web (WWWW), machine-type communication, wireless sensor networks (WSNs), e-healthcare systems and wearable devices with AI capabilities.
Highlights
The key concepts of generation mobile networks (NGN) suggested in research papers are: Full interworking of heterogeneous systems.Up to 1 Gbit/s of broadband services, delivered by standard/system, for users in any environment [1].For the time being, the 4-Generation (4G) systems are still under intensive research and development efforts; there are numerous research groups and development projects worldwide aiming at widespread 4G wireless and cellular deployments all over the world
It investigates the viability of cooperative networks and one unified global standard for next generation mobile networks (NGNs)
This section highlights the challenging research areas for enhancing network performance and affordability beginning with All IP network and security issues, Vehicular Ad Hoc Networks (VANET) and the necessity to high data rates at cell edges
Summary
The key concepts of generation mobile networks (NGN) suggested in research papers are: Full interworking (interoperability) of heterogeneous systems. The paper is organized as follows: Section II discusses in details re-configurability in mobile communications with focus on re-configurability enablers and reconfigurable interworking amongst heterogeneous wireless access networks. It investigates the viability of cooperative networks and one unified global standard for NGNs. Macro-diversity and advanced multi-cell coordination for mitigating interference are analyzed.
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