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DAGSTUHL
2007
13 years 8 months ago
Nonlinear Approximation and Image Representation using Wavelets
We address the problem of finding sparse wavelet representations of high-dimensional vectors. We present a lower-bounding technique and use it to develop an algorithm for computi...
Sudipto Guha, Boulos Harb
TSP
2010
13 years 1 months ago
A Doppler robust max-min approach to radar code design
Abstract--This correspondence considers the problem of robust waveform design in the presence of colored Gaussian disturbance under a similarity and an energy constraint. We resort...
Antonio De Maio, Yongwei Huang, Marco Piezzo
JSAC
2011
185views more  JSAC 2011»
13 years 1 months ago
Joint Dynamic Resource Allocation and Waveform Adaptation for Cognitive Networks
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
Zhi Tian, Geert Leus, Vincenzo Lottici
ICASSP
2009
IEEE
14 years 1 months ago
Rate efficient remote video file synchronization
Video file synchronization between remote users is an important task in many applications. Re-transmission of a video that has been only slightly modified is expensive, wasteful...
Hao Zhang, Chuohao Yeo, Kannan Ramchandran
ICASSP
2008
IEEE
14 years 1 months ago
Power control in spectrum overlay networks: How to cross a multi-lane highway
—We consider power control in spectrum overlay networks (also referred to as opportunistic spectrum access) where secondary users identify and exploit instantaneous and local spe...
Wei Ren, Qing Zhao, Ashwin Swami