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TSP
2010
15 years 1 months ago
Shrinkage algorithms for MMSE covariance estimation
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...
Yilun Chen, Ami Wiesel, Yonina C. Eldar, Alfred O....
INFOCOM
2011
IEEE
14 years 10 months ago
Sharing multiple messages over mobile networks
—Information dissemination in a large network is typically achieved when each user shares its own information or resources with each other user. Consider n users randomly located...
Yuxin Chen, Sanjay Shakkottai, Jeffrey G. Andrews
INFOCOM
2011
IEEE
14 years 10 months ago
Finite-horizon energy allocation and routing scheme in rechargeable sensor networks
Abstract—In this paper, we investigate the problem of maximizing the throughput over a finite-horizon time period for a sensor network with energy replenishment. The finite-horiz...
Shengbo Chen, Prasun Sinha, Ness B. Shroff, Changh...
JSAC
2011
136views more  JSAC 2011»
14 years 9 months ago
Spectrum Trading in Cognitive Radio Networks: A Contract-Theoretic Modeling Approach
—Cognitive radio is a promising paradigm to achieve efficient utilization of spectrum resource by allowing the unlicensed users (i.e., secondary users, SUs) to access the licens...
Lin Gao, Xinbing Wang, Youyun Xu, Qian Zhang
MOBISYS
2011
ACM
14 years 9 months ago
Odessa: enabling interactive perception applications on mobile devices
Resource constrained mobile devices need to leverage computation on nearby servers to run responsive applications that recognize objects, people, or gestures from real-time video....
Moo-Ryong Ra, Anmol Sheth, Lily B. Mummert, Padman...