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ICC
2009
IEEE
157views Communications» more  ICC 2009»
15 years 10 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...
153
Voted
WCNC
2010
IEEE
15 years 7 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. ...
168
Voted
JCST
2008
140views more  JCST 2008»
15 years 3 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
161
Voted
INFOCOM
2012
IEEE
13 years 6 months ago
Truthful spectrum auction design for secondary networks
Abstract—Opportunistic wireless channel access by nonlicensed users has emerged as a promising solution for addressing the bandwidth scarcity challenge. Auctions represent a natu...
Yuefei Zhu, Baochun Li, Zongpeng Li
CHI
2010
ACM
15 years 10 months ago
Rethinking RFID: awareness and control for interaction with RFID systems
People now routinely carry radio frequency identification (RFID) tags – in passports, driver’s licenses, credit cards, and other identifying cards – where nearby RFID reader...
Nicolai Marquardt, Alex S. Taylor, Nicolas Villar,...