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INFOCOM
2011
IEEE
14 years 9 months ago
Delay constrained minimum energy broadcast in cooperative wireless networks
—We formulate the problem of delay constrained energy-efficient broadcast in cooperative multihop wireless networks. We show that this important problem is not only NPcomplete, ...
Marjan A. Baghaie, Bhaskar Krishnamachari
TSP
2012
14 years 1 months ago
Distributed Covariance Estimation in Gaussian Graphical Models
—We consider distributed estimation of the inverse covariance matrix in Gaussian graphical models. These models factorize the multivariate distribution and allow for efficient d...
Ami Wiesel, Alfred O. Hero
INFOCOM
2012
IEEE
13 years 8 months ago
Resource allocation for heterogeneous multiuser OFDM-based cognitive radio networks with imperfect spectrum sensing
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
Shaowei Wang, Zhi-Hua Zhou, Mengyao Ge, Chonggang ...
INFOCOM
2012
IEEE
13 years 8 months ago
Maximizing system throughput by cooperative sensing in Cognitive Radio Networks
—Cognitive Radio Networks allow unlicensed users to opportunistically access the licensed spectrum without causing disruptive interference to the primary users (PUs). One of the ...
Shuang Li, Zizhan Zheng, Eylem Ekici, Ness B. Shro...
WWW
2001
ACM
16 years 7 months ago
Towards second and third generation web-based multimedia
First generation Web-content encodes information in handwritten (HTML) Web pages. Second generation Web content generates HTML pages on demand, e.g. by filling in templates with c...
Jacco van Ossenbruggen, Joost Geurts, Frank Cornel...