Abstract
The most profound requirements of fifth-generation (5G) technology implementations are the architecture design and the radio base station technology to capably run applications such as device-to-device, machine-to machine and internet of things at a reduced latency. Owing to these requirements, the implementation of 5G technology is very expensive to mobile network operators (MNO). In this study we modified the existing 4G network to form a distributed wireless network architecture (DWNA); the picocell and distributed antenna system were modified to support the enabling technology of 5G technology were a multi-edge computer (MEC), software-defined networking (SDN), massive multiple input multiple output (MIMO), ultra-dense network (UDN), Network Functions Virtualization (NFV) and device-to-device (D2D) communication at a reduced cost of ownership, improved coverage and capacity. We present a mathematical model for operational expenditure, capital expenditure and total cost of ownership (TCO) for the DWNA. A mathematical model for DWNA capacity and throughput was presented. Result shows that it is very economical for MNO to rent the space of the tower infrastructure from tower companies. The sensitivity analysis also shows a significant reduction in TCO for both the modified picocell and modified distributed antenna systems.
Highlights
The introduction of new services such as device-to-device (D2D) communication, machine-to-machine (M2M) communication and the internet of things (IoT), as well as the increased demand for mobile data, have necessitated the implementation of fifth-generation (5G) technology [1]
This is due to the dense coverage, high capacity, low latency and high quality of service that can be achieved with 5G technology
Fifth-generation technology will require a complete overhaul of the telecommunication architecture design and implementation
Summary
The introduction of new services such as device-to-device (D2D) communication, machine-to-machine (M2M) communication and the internet of things (IoT), as well as the increased demand for mobile data, have necessitated the implementation of fifth-generation (5G) technology [1]. The major backbone to the base station controller (BSC), universal mobile telecommunications system radio access network (URAN) and the evolved packet core (EPC) These networks are complex, high-latency, high intercell interference and required serval hand-off during movement. Unlike the CWNA, the DWNA will reduce Capex and Opex, improve network security, reduce traffic bottlenecks and reduce the cost of transmission backhaul and fronthaul, since the architecture will have a cluster of baseband units (BBU) and small centralized radio access network (C-RAN), which will again reduce latency because the subscribers are closed the C-RAN and the switching is better than that of the CWNA. DWNA is used in bridging a number of access point, for examples buildings or offices, through a wireless local area network [2]
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