188 search results - page 37 / 38 » Estimation error bounds for denoising by sparse approximatio... |
83
Voted
TSP
2008
14 years 9 months ago
2008
We propose a wireless fading channel prediction algorithm for a pilot-symbol aided Orthogonal Frequency Division Multiplexing (OFDM) system. Assuming a doubly selective (time and ...
96
Voted
SODA
2003
ACM
14 years 11 months ago
2003
ACM
In a recent paper, Ajtai et al. [1] give a streaming algorithm to count the number of inversions in a stream Ä ¾ Ñ Ò using two passes and Ç´¯ ½ ÔÒÐÓ Ò´ÐÓ Ñ·ÐÓ...
SIGMETRICS
2010
ACM
15 years 2 months ago
2010
ACM
This paper addresses the problem of determining the node locations in ad-hoc sensor networks when only connectivity information is available. In previous work, we showed that the ...
HPDC
2007
IEEE
15 years 4 months ago
2007
IEEE
We study stochastic models to mitigate the risk of poor Quality-of-Service (QoS) in computational markets. Consumers who purchase services expect both price and performance guaran...
100
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VRST
2003
ACM
15 years 2 months ago
2003
ACM
We present a novel, generic framework and algorithm for hierarchical collision detection, which allows an application to balance speed and quality of the collision detection. We p...