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GLOBECOM
2008
IEEE
13 years 11 months ago
A Graph-Based Approach to Multi-Cell OFDMA Downlink Resource Allocation
— A novel, practical and low-complexity multi-cell OFDMA downlink channel assignment method using a graphbased approach is proposed in this work. The inter-cell interference (ICI...
Yu-Jung Chang, Zhifeng Tao, Jinyun Zhang, C. C. Ja...
GLOBECOM
2009
IEEE
13 years 11 months ago
Opportunistic Cell Edge Selection in Multi-Cell OFDMA Networks
Abstract— We propose an intercell downlink orthogonal frequency division multiple access (OFDMA) scheduling technique in a sectorized cellular network. Adjacent sectors from neig...
Chun Kin Au-Yeung, Amine Maaref, Jinyun Zhang
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...
CORR
2010
Springer
204views Education» more  CORR 2010»
13 years 4 months ago
Optimization Framework and Graph-Based Approach for Relay-Assisted Bidirectional OFDMA Cellular Networks
This paper considers a relay-assisted bidirectional cellular network where the base station (BS) communicates with each mobile station (MS) using orthogonal frequencydivision multi...
Yuan Liu, Meixia Tao, Bin Li, Hui Shen
WCNC
2010
IEEE
13 years 8 months ago
Differentiable Spectrum Partition for Fractional Frequency Reuse in Multi-Cell OFDMA Networks
To mitigate inter-cell interference (ICI) and achieve higher spectrum efficiency, fractional frequency reuse (FFR) has been widely adopted by the next generation wireless systems...
Weihuang Fu, Zhifeng Tao, Jinyun Zhang, Dharma P. ...