New methods to color the vertices of a graph
Communications of the ACM
Performance Analysis of GSM Networks with Intelligent Underlay-Overlay
ISCC '02 Proceedings of the Seventh International Symposium on Computers and Communications (ISCC'02)
Towards frequency reuse 1 cellular FDM/TDM systems
Proceedings of the 9th ACM international symposium on Modeling analysis and simulation of wireless and mobile systems
An empirically based path loss model for wireless channels in suburban environments
IEEE Journal on Selected Areas in Communications
Analytical evaluation of various frequency reuse schemes in cellular OFDMA networks
Proceedings of the 3rd International Conference on Performance Evaluation Methodologies and Tools
Cochannel interference avoidance MAC in wireless cellular networks
IEEE Transactions on Communications
Mobile Networks and Applications
Sum-rate maximizing beamforming in multicell systems with limited feedback
Asilomar'09 Proceedings of the 43rd Asilomar conference on Signals, systems and computers
Cross-layer channel-aware approaches for modern wireless networks
MACOM'10 Proceedings of the Third international conference on Multiple access communications
A survey of scheduling and interference mitigation in LTE
Journal of Electrical and Computer Engineering - Special issue on LTE/LTE-advanced cellular communication networks
Analysis of Frequency Reuse and Throughput Enhancement in WiMAX Systems
Wireless Personal Communications: An International Journal
Energy efficient communications for future broadband cellular networks
Computer Communications
Distributed adaptive interference control in 4G small cell networks
WiFlex'13 Proceedings of the First international conference on Wireless Access Flexibility
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In recent years, Orthogonal Frequency Division Multiple Access (OFDMA) has become an attractive transmission technology, which is part of various emerging system standards for broadband cellular communications. Examples include the 3GPP Long Term Evolution (LTE) and 802.16e WiMAX. In OFDMA, mobile terminals are multiplexed in time and frequency. A major problem in these systems is the inter-cell interference, which is caused by neighboring cells when transmitting on the same time and frequency slots. This problem can be solved by using beamforming antennas and coordinating the transmissions among base stations. This is known as interference coordination. In this paper, we present a distributed algorithm for interference coordination, which enhances the cell edge performance with global information provided by a central coordinator. The signaling delay during the communication with the central coordinator can be on the order of seconds, while an additional local interference coordination in each base station ensures a high performance even in dynamic environments. This combination of global and local coordination enhances the overall spectral efficiency by 50% compared to a Reuse 3 system while maintaining the same cell edge performance.