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JSAC
2011
185views more  JSAC 2011»
14 years 4 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
CORR
2007
Springer
105views Education» more  CORR 2007»
14 years 9 months ago
The source coding game with a cheating switcher
Motivated by the lossy compression of an active-vision video stream, we consider the problem of finding the rate-distortion function of an arbitrarily varying source (AVS) compos...
Hari Palaiyanur, Cheng Chang, Anant Sahai
CDC
2008
IEEE
145views Control Systems» more  CDC 2008»
14 years 10 months ago
Necessary and sufficient conditions for success of the nuclear norm heuristic for rank minimization
Minimizing the rank of a matrix subject to constraints is a challenging problem that arises in many applications in control theory, machine learning, and discrete geometry. This c...
Benjamin Recht, Weiyu Xu, Babak Hassibi
ICASSP
2011
IEEE
14 years 1 months ago
Basis Pursuit in sensor networks
Basis Pursuit (BP) finds a minimum ℓ1-norm vector z that satisfies the underdetermined linear system Mz = b, where the matrix M and vector b are given. Lately, BP has attracte...
João F. C. Mota, João M. F. Xavier, ...
WWW
2001
ACM
15 years 10 months ago
LiteMinutes: an Internet-based system for multimedia meeting minutes
The Internet provides a highly suitable infrastructure for sharing multimedia meeting records, especially as multimedia technologies become more lightweight and workers more mobil...
Patrick Chiu, John S. Boreczky, Andreas Girgensohn...