Zahir, Talha, Arshad, Kamran, Nakata, Atsushi and Moessner, Klaus (2012) Interference management in femtocells. IEEE Communications Surveys & Tutorials, 15 (1). pp. 293-311. ISSN 1553-877X (Online) (doi:10.1109/SURV.2012.020212.00101)

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Abstract

Increase in system capacity and data rates can be achieved efficiently in a wireless system by getting the transmitter and receiver closer to each other. Femtocells deployed in the macrocell significantly improve the indoor coverage and provide better user experience. The femtocell base station called as Femtocell Access Point (FAP) is fully user deployed and hence reduces the infrastructure, maintenance and operational cost of the operator while at the same time providing good Quality of Service (QoS) to the end user and high network capacity gains. However, the mass deployment of femtocell faces a number of challenges, among which interference management is of much importance, as the fundamental limits of capacity and achievable data rates mainly depends on the interference faced by the femtocell network. To cope with the technical challenges including interference management faced by the femtocells, researchers have suggested a variety of solutions. These solutions vary depending on the physical layer technology and the specific scenarios considered. Furthermore, the cognitive capabilities, as a functionality of femtocell have also been discussed in this survey. This article summarises the main concepts of femtocells that are covered in literature and the major challenges faced in its large scale deployment. The main challenge of interference management is discussed in detail with its types in femtocells and the solutions proposed over the years to manage interference have been summarised. In addition an overview of the current femtocell standardisation and the future research direction of femtocells have also been provided.

Item Type:	Article
Additional Information:	[1] First published online: 24 February 2012. [2] First published in print: 5 February 2013. [3] The research leading to article was dervied from the European Community’s Seventh Framework Programme (FP7) under grant agreement number 248454 [Quality of service and mobility driven cognitive radio systems (QoSMOS)]. The authors are also thankful to the sponsoring organistion, University of Engineering & Technology Peshawar, Pakistan.
Uncontrolled Keywords:	femtocell, interference management
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments:	School of Engineering
Last Modified:	23 Sep 2019 14:07
URI:	http://gala.gre.ac.uk/id/eprint/9365

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