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CISS
2007
IEEE
15 years 9 months ago
Channel-Adaptive Optimal OFDMA Scheduling
Abstract-Joint subcarrier, power and rate allocation in orthogonal frequency division multiple access (OFDMA) scheduling is investigated for both downlink and uplink wireless trans...
Xin Wang, Georgios B. Giannakis, Yingqun Yu
ICA
2007
Springer
15 years 9 months ago
Phase-Aware Non-negative Spectrogram Factorization
Non-negative spectrogram factorization has been proposed for single-channel source separation tasks. These methods operate on the magnitude or power spectrogram of the input mixtur...
R. Mitchell Parry, Irfan A. Essa
GLOBECOM
2009
IEEE
15 years 9 months ago
Fair Energy-Efficient Resource Allocation over Fading TDMA Channels
In this paper, we consider the energy-efficient resource allocation that minimizes a general cost function of average user powers in wireless networks. A class of so-called -fair c...
Xin Wang, Di Wang, Hanqi Zhuang, Salvatore D. Morg...
AH
2006
Springer
15 years 9 months ago
Performance Enhancement for Open Corpus Adaptive Hypermedia Systems
Adaptive Hypermedia Systems adjust the content to best suit users' personal characteristics, but rarely consider delivery performance. Performance issues are even more signifi...
Lejla Rovcanin, Cristina Hava Muntean, Gabriel-Mir...
CLOR
2006
15 years 9 months ago
A Discriminative Framework for Texture and Object Recognition Using Local Image Features
This chapter presents an approach for texture and object recognition that uses scale- or affine-invariant local image features in combination with a discriminative classifier. Text...
Svetlana Lazebnik, Cordelia Schmid, Jean Ponce