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» Approximability of Probability Distributions
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GIS
2006
ACM
16 years 7 months ago
Index for fast retrieval of uncertain spatial point data
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
Dmitri V. Kalashnikov, Yiming Ma, Sharad Mehrotra,...
DCC
2002
IEEE
16 years 5 months ago
Globally Optimal Uneven Error-Protected Packetization of Scalable Code Streams
In this paper, we present a family of new algorithms for rate-fidelity optimal packetization of scalable source bit streams with uneven error protection. In the most general settin...
Sorina Dumitrescu, Xiaolin Wu, Zhe Wang
SODA
2010
ACM
135views Algorithms» more  SODA 2010»
16 years 3 months ago
Probabilistic Analysis of the Semidefinite Relaxation Detector in Digital Communications
We consider the problem of detecting a vector of symbols that is being transmitted over a fading multiple?input multiple?output (MIMO) channel, where each symbol is an ?th root of...
Anthony Man-Cho So
ICC
2009
IEEE
233views Communications» more  ICC 2009»
16 years 1 months ago
Detecting Primary User Emulation Attacks in Dynamic Spectrum Access Networks
— In this paper, we present an analytical model as well as a practical mechanism to detect denial of service (DoS) attacks on secondary users in dynamic spectrum access (DSA) net...
Z. Jin, S. Anand, K. P. Subbalakshmi
ICC
2008
IEEE
16 years 21 days ago
Multilink Performance of the Load-Level-Based Admission Control Mechanism for OBS Networks
— In this paper, we analyze the performance of the Load-Level-Based Admission Control mechanism (LLAC) for optical burst-switched networks in a multilink scenario. The goal of th...
Igor M. Moraes, Otto Carlos M. Duarte