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NTMS
2009
IEEE
13 years 11 months ago
Enhanced Fractional Frequency Reuse to Increase Capacity of OFDMA Systems
—Inter-cell interference (ICI) mitigation is always a big challenge issue in cellular systems. In this work we propose an Enhanced Fractional Frequency Reuse (EFFR) scheme combin...
Zheng Xie, Bernhard Walke
ICC
2009
IEEE
157views Communications» more  ICC 2009»
13 years 11 months ago
A Graph Approach to Dynamic Fractional Frequency Reuse (FFR) in Multi-Cell OFDMA Networks
A graph-based framework for dynamic fractional frequency reuse (FFR) in multi-cell OFDMA networks is proposed in this work. FFR is a promising resource allocation technique that c...
Ronald Chang, Zhifeng Tao, Jinyun Zhang, C.-C. Jay...
WIOPT
2010
IEEE
13 years 3 months ago
Fractional frequency reuse and interference suppression for OFDMA networks
—The downlink performance of cellular networks is known to be strongly limited by inter-cell interference. In order to mitigate this interference, a number of frequency reuse sch...
Rizwan Ghaffar, Raymond Knopp
WCNC
2010
IEEE
13 years 9 months ago
Frequency Reuse Techniques for Attaining Both Coverage and High Spectral Efficiency in OFDMA Cellular Systems
—Inter-cell interference (ICI) is always a big obstacle to attain wide area coverage and high spectral efficiency in cellular systems. In this work we make a study of two well-kn...
Zheng Xie, Bernhard Walke
CISS
2010
IEEE
12 years 8 months ago
Self-organizing Dynamic Fractional Frequency Reuse on the uplink of OFDMA systems
Reverse link (or uplink) performance of cellular systems is becoming increasingly important with the emergence of new uplink-bandwidth intensive applications such as Video Share [...
Balaji Rengarajan, Alexander L. Stolyar, Harish Vi...