OASIcs.KiVS.2011.233.pdf
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A Novel Algorithm for Distributed Dynamic Interference Coordination in Cellular Networks
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17th GI/ITG Conference on Communication in Distributed Systems (KiVS 2011)
Series: Open Access Series in Informatics (OASIcs) - License:
Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported license
- Publication Date: 2011-02-25
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Marc C. Necker. A Novel Algorithm for Distributed Dynamic Interference Coordination in Cellular Networks. In 17th GI/ITG Conference on Communication in Distributed Systems (KiVS 2011). Open Access Series in Informatics (OASIcs), Volume 17, pp. 233-238, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2011)
https://doi.org/10.4230/OASIcs.KiVS.2011.233
Abstract
Wireless systems based on Orthogonal Frequency Division Multiple Access (OFDMA) multiplex different users in time and frequency. One of the main problems in OFDMA-systems is the inter-cell interference. A promising approach to solve this problem is interference coordination (IFCO). In this paper, we present a novel distributed IFCO scheme, where a central coordinator communicates coordination information in regular time intervals. This information is the basis for a local inner optimization in every basestation. The proposed scheme achieves an increase of more than 100% with respect to the cell edge throughput, and a gain of about 30% in the aggregate spectral efficiency compared to a reuse 3 system.
Subject Classification
Keywords
- 3GPP LTE
- 802.16e
- OFDMA
- WiMAX
- beamforming
- graph coloring
- interference coordination
- scheduling
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