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WCNC
2010
IEEE
13 years 11 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. ...
CISS
2008
IEEE
14 years 1 months ago
Resource allocation algorithms for multiuser cooperative OFDMA systems with subchannel permutation
— In this paper, we investigate resource allocation for a multi-user OFDMA cooperative system. Aiming at minimizing the total transmission power under target rate constraints for...
Bo Gui, Leonard J. Cimini Jr.
INFOCOM
2010
IEEE
13 years 5 months ago
Efficient Resource Allocation with Flexible Channel Cooperation in OFDMA Cognitive Radio Networks
Recently, a cooperative paradigm for single-channel cognitive radio networks has been advocated, where primary users can leverage secondary users to relay their traffic. However, i...
Hong Xu, Baochun Li
GLOBECOM
2008
IEEE
14 years 1 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...
CORR
2011
Springer
177views Education» more  CORR 2011»
12 years 11 months ago
A Self-Organized Resource Allocation using Inter-Cell Interference Coordination (ICIC) in Relay-Assisted Cellular Networks
: In a multi-cell scenario, the inter-cell interference (ICI) is detrimental in achieving the intended system performance, in particular for the edge users. There is paucity of wor...
Mahima Mehta, Osianoh Glenn Aliu, Abhay Karandikar...