Analyzing Small-Cells and Distributed Antenna Systems from Techno-Economic Perspective

Analyzing Small-Cells and Distributed Antenna Systems from Techno-Economic Perspective

Christos Bouras (Computer Technology Institute and Press “Diophantus”, Patras, Greece & Computer Engineering and Informatics Dept., University of Patras, Patras, Greece), Vasileios Kokkinos (Computer Engineering and Informatics Department, University of Patras, Patras, Greece), Anastasia Kollia (University of Patras, Patras, Greece) and Andreas Papazois (Computer Technology Institute & Press “Diophantus”, Computer Engineering and Informatics Department, University of Patras, Patras, Greece)
DOI: 10.4018/IJWNBT.2017010104
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The new generations of mobile networks will require economical and viable solutions in order to meet the promises raised by scientists. In this article, the authors overview the available research activities and present an architecture for DAS and femtocells and a mathematical model analyzing their costs, as they are considered technologies, that offer great advantages for mobile networks. The authors present a wide research in the solutions' parameters and prices. There are thorough experiments including several different types of costs. In particular, Capital (CAPEX), Operational (OPEX) expenditures and Total Cost of Ownership (TCO) are examined for both technologies in terms of the backhauling technologies, of the size of buildings that they are implemented in and the years of investment from a telecommunication company. The main results are that femtocells are a more appealing solution when it comes to small places, while the alternative is more favorable for big infrastructures.
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In this section, it is of major importance to present the most valuable studies that have been conducted in the field. The record of the most valuable past research activity is going to indicate the paths that future scientific research should follow describing mobile network deployments.

In literature, the DAS system's most valuable studies are (Liu, 2013; Liu et al., 2012), that examine technological and economic aspects of the technology and compare the Total Cost of Ownership (TCO) between DAS and femtocells, leading to the fact that femtocell deployments are cheaper than the DAS ones. There are not any other vital studies in the field of DAS deployments, so it is important to point out the need of investigating it.

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