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TSP
2012
12 years 4 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
MOBIHOC
2002
ACM
14 years 8 months ago
Directional virtual carrier sensing for directional antennas in mobile ad hoc networks
This paper presents a new carrier sensing mechanism called DVCS (Directional Virtual Carrier Sensing) for wireless communication using directional antennas. DVCS does not require ...
Mineo Takai, Jay Martin, Rajive Bagrodia, Aifeng R...
VTC
2008
IEEE
171views Communications» more  VTC 2008»
14 years 3 months ago
Simulation Study of Fractional Frequency Reuse for Mobile WiMAX
- As a primary technology for broadband wireless access (BWA), mobile WiMAX, recently has gained tremendous momentum in the industrial and academic sectors. However, due to signifi...
Yuefeng Zhou, Nader Zein
DEBS
2007
ACM
14 years 28 days ago
Modeling the communication costs of content-based routing: the case of subscription forwarding
Content-based routing (CBR) provides the core distribution support of several middleware paradigms, most notably content-based publish-subscribe. Despite its popularity, however, ...
Stefano Castelli, Paolo Costa, Gian Pietro Picco
JSAC
2006
181views more  JSAC 2006»
13 years 9 months ago
Information theoretic framework of trust modeling and evaluation for ad hoc networks
Abstract-- The performance of ad hoc networks depends on cooperation and trust among distributed nodes. To enhance security in ad hoc networks, it is important to evaluate trustwor...
Yan Lindsay Sun, Wei Yu, Zhu Han, K. J. Ray Liu