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GLOBECOM
2009
IEEE
16 years 2 months ago
An Iterative Precoder Optimization Method for K-User Interference Channel Systems
— In this paper, we propose a linear precoding and decoding scheme maximizing the sum rate of K-user interference channel systems where each node has multiple antennas. With an i...
Hakjea Sung, Kyoung-Jae Lee, Seok-Hwan Park, Inkyu...
GLOBECOM
2009
IEEE
16 years 2 months ago
Optimal Resource Allocation in the OFDMA Downlink with Feedback of Buffer State Information
—With the advent of new applications, one of the primary applications supported in downlink cellular systems is streaming video. QoS for streaming video entails data transmission...
Rajiv Agarwal, John M. Cioffi
ICASSP
2009
IEEE
16 years 2 months ago
Design of oversampled DFT modulated filter banks optimized for acoustic echo cancellation
This paper describes a method for designing oversampled DFT filter banks (FB) optimized for subband acoustic echo cancellation (AEC). For this application, the design requirements...
Qin Li, Wei-Ge Chen, Chao He, Henrique S. Malvar
ICC
2009
IEEE
168views Communications» more  ICC 2009»
16 years 2 months ago
Optimal Sleep-Wake Policies for an Energy Harvesting Sensor Node
—We study a sensor node with an energy harvesting source. In any slot, the sensor node is in one of two modes: Wake or Sleep. The generated energy is stored in a buffer. The sens...
Vinay Joseph, Vinod Sharma, Utpal Mukherji
SSDBM
2009
IEEE
174views Database» more  SSDBM 2009»
16 years 2 months ago
Optimization and Execution of Complex Scientific Queries over Uncorrelated Experimental Data
Scientific experiments produce large volumes of data represented as complex objects that describe independent events such as particle collisions. Scientific analyses can be express...
Ruslan Fomkin, Tore Risch