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JCST
2008
140views more  JCST 2008»
15 years 3 months ago
ROPAS: Cross-Layer Cognitive Architecture for Mobile UWB Networks
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
Chittabrata Ghosh, Bin Xie, Dharma P. Agrawal
118
Voted
CORR
2007
Springer
97views Education» more  CORR 2007»
15 years 3 months ago
Side-information Scalable Source Coding
Abstract—We consider the problem of side-information scalable (SI-scalable) source coding, where the encoder constructs a two-layer description, such that the receiver with high ...
Chao Tian, Suhas N. Diggavi
CORR
2007
Springer
132views Education» more  CORR 2007»
15 years 3 months ago
Nodally 3-connected planar graphs and convex combination mappings
A barycentric mapping of a planar graph is a plane embedding in which every internal vertex is the average of its neighbours. A celebrated result of Tutte’s [16] is that if a pl...
Colm Ó'Dúnlaing
CORR
2007
Springer
189views Education» more  CORR 2007»
15 years 3 months ago
Diversity-Multiplexing Tradeoff of Asynchronous Cooperative Diversity in Wireless Networks
Synchronization of relay nodes is an important and critical issue in exploiting cooperative diversity in wireless networks. In this paper, two asynchronous cooperative diversity s...
Shuangqing Wei
CORR
2007
Springer
103views Education» more  CORR 2007»
15 years 3 months ago
Physical limits of inference
We show that physical devices that perform observation, prediction, or recollection share an underlying mathematical structure. We call devices with that structure “inference de...
David H. Wolpert
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