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TOG
2010
96views more  TOG 2010»
13 years 4 months ago
Light reallocation for high contrast projection using an analog micromirror array
We demonstrate for the first time a proof of concept projector with a secondary array of individually controllable, analog micromirrors added to improve the contrast and peak brig...
Reynald Hoskinson, Boris Stoeber, Wolfgang Heidric...
TWC
2010
13 years 4 months ago
Joint channel estimation and resource allocation for MIMO systems-part I: single-user analysis
Multiple antenna systems are known to provide very large data rates, when the perfect channel state information (CSI) is available at the receiver. However, this requires the recei...
Alkan Soysal, Sennur Ulukus
CORR
2011
Springer
175views Education» more  CORR 2011»
13 years 1 months ago
Cooperative Defense Against Pollution Attacks in Network Coding Using SpaceMac
Abstract—Intra-session network coding is known to be vulnerable to pollution attacks. In this work, first, we introduce a novel homomorphic MAC scheme called SpaceMac, which all...
Anh Le, Athina Markopoulou
RTAS
2011
IEEE
13 years 1 months ago
ARCH: Practical Channel Hopping for Reliable Home-Area Sensor Networks
Abstract—Home area networks (HANs) promise to enable sophisticated home automation applications such as smart energy usage and assisted living. However, recent empirical study of...
Mo Sha, Gregory Hackmann, Chenyang Lu
HT
2011
ACM
13 years 1 months ago
Social capital increases efficiency of collaboration among Wikipedia editors
In this study we measure the impact of pre-existing social capital on the efficiency of collaboration among Wikipedia editors. To construct a social network among Wikipedians we l...
Keiichi Nemoto, Peter A. Gloor, Rob Laubacher
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