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On Interference Avoidance through Inter-Cell Interference Coordination (ICIC) Based on OFDMA Mobile Systems

Kosta, C, Hunt, B, Quddus, AU and Tafazolli, R (2012) On Interference Avoidance through Inter-Cell Interference Coordination (ICIC) Based on OFDMA Mobile Systems IEEE Communications Surveys and Tutorials.

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Abstract

The widely accepted OFDMA air interface technology has recently been adopted in most mobile standards by the wireless industry. However, similar to other frequency-time multiplexed systems, their performance is limited by inter-cell interference. To address this performance degradation, interference mitigation can be employed to maximize the potential capacity of such interference-limited systems. This paper surveys key issues in mitigating interference and gives an overview of the recent developments of a promising mitigation technique, namely, interference avoidance through inter-cell interference coordination (ICIC). By using optimization theory, an ICIC problem is formulated in a multi-cell OFDMA-based system and some research directions in simplifying the problem and associated challenges are given. Furthermore, we present the main trends of interference avoidance techniques that can be incorporated in the main ICIC formulation. Although this paper focuses on 3GPP LTE/LTE-A mobile networks in the downlink, a similar framework can be applied for any typical multi-cellular environment based on OFDMA technology. Some promising future directions are identified and, finally, the state-of-the-art interference avoidance techniques are compared under LTE-system parameters.

Item Type: Article
Authors :
NameEmailORCID
Kosta, Cc.kosta@surrey.ac.ukUNSPECIFIED
Hunt, Bb.hunt@surrey.ac.ukUNSPECIFIED
Quddus, AUa.quddus@surrey.ac.ukUNSPECIFIED
Tafazolli, RUNSPECIFIEDUNSPECIFIED
Date : 24 December 2012
Identification Number : 10.1109/SURV.2012.121112.00037
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:40
Last Modified : 17 May 2017 15:05
URI: http://epubs.surrey.ac.uk/id/eprint/836310

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