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IOR
2007
89views more  IOR 2007»
15 years 3 months ago
Fast, Fair, and Efficient Flows in Networks
Abstract. We study the problem of minimizing the maximum latency of flows in networks with congestion. We show that this problem is NP-hard, even when all arc latency functions ar...
José R. Correa, Andreas S. Schulz, Nicol&aa...
SADM
2008
178views more  SADM 2008»
15 years 3 months ago
Fast Projection-Based Methods for the Least Squares Nonnegative Matrix Approximation Problem
: Nonnegative matrix approximation (NNMA) is a popular matrix decomposition technique that has proven to be useful across a diverse variety of fields with applications ranging from...
Dongmin Kim, Suvrit Sra, Inderjit S. Dhillon
DCC
2007
IEEE
16 years 3 months ago
Distortion-Complexity Optimization of the H.264/MPEG-4 AVC Encoder using the GBFOS Algorithm
The H.264/ACV standard provides significant improvements in performance over earlier video coding standards at the cost of increased complexity. Our challenge is to determine H.26...
Rahul Vanam, Eve A. Riskin, Sheila S. Hemami, Rich...
ICC
2007
IEEE
123views Communications» more  ICC 2007»
15 years 10 months ago
A New ILP-Based p-Cycle Construction Algorithm without Candidate Cycle Enumeration
—The notion of p-cycle (Preconfigured Protection Cycle) allows capacity efficient schemes to be designed for fast span protection in WDM mesh networks. Conventional p-cycle const...
Bin Wu, Kwan Lawrence Yeung, King-Shan Lui, Shizho...
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ICC
2007
IEEE
15 years 10 months ago
A Cube Oriented Ray Launching Algorithm for 3D Urban Field Strength Prediction
Abstract— Fast radio wave propagation prediction is of tremendous interest for planning and optimization of cellular radio networks. We propose a cube oriented 3D ray launching a...
Rudolf Mathar, Michael Reyer, Michael Schmeink