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PODS
2008
ACM
221views Database» more  PODS 2008»
14 years 7 months ago
A generic flow algorithm for shared filter ordering problems
We consider a fundamental flow maximization problem that arises during the evaluation of multiple overlapping queries defined on a data stream, in a heterogenous parallel environm...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
INFOCOM
2006
IEEE
14 years 1 months ago
Resource Allocation for Multicast Services in Multicarrier Wireless Communications
— We consider a multicast resource allocation problem for the downlink in OFDM-based wireless cellular network systems. In a conventional multicast system, to accommodate users w...
Changho Suh, Jeonghoon Mo
ICC
2007
IEEE
122views Communications» more  ICC 2007»
14 years 1 months ago
Interactive Error Control for Mobile Video Telephony
—Error robust video communication for hand-held devices is a delicate task because of limited computational resources and hostile channel conditions in mobile environments. The l...
Waqar Zia, Tauseef Afzal, Wen Xu, Günther Lie...
TMM
2002
100views more  TMM 2002»
13 years 7 months ago
On a unified architecture for video-on-demand services
Abstract--Current video-on-demand (VoD) systems can be classified into two categories: 1) true-VoD (TVoD) and 2) near-VoD (NVoD). TVoD systems allocate a dedicated channel for ever...
Jack Y. B. Lee
GLOBECOM
2006
IEEE
14 years 1 months ago
Linear Coherent Decentralized Estimation
Abstract—We consider the distributed estimation of an unknown vector signal in a resource constrained sensor network with a fusion center. Due to power and bandwidth limitations,...
Jinjun Xiao, Shuguang Cui, Zhi-Quan Luo, Andrea J....