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ICC
2007
IEEE
133views Communications» more  ICC 2007»
16 years 24 days ago
Symbol Error Rate of OFDM Systems with Carrier Frequency Offset and Channel Estimation Error in Frequency Selective Fading Chann
— In this paper we present an analytical approach to evaluate the symbol error rate (SER) of OFDM systems subject to carrier frequency offset (CFO) and channel estimation error i...
Marco Krondorf, Ting-Jung Liang, Gerhard Fettweis
INFOCOM
2009
IEEE
16 years 1 months ago
View-Upload Decoupling: A Redesign of Multi-Channel P2P Video Systems
—In current multi-channel live P2P video systems, there are several fundamental performance problems including exceedingly-large channel switching delays, long playback lags, and...
Di Wu, Chao Liang, Yong Liu, Keith Ross
MIR
2006
ACM
178views Multimedia» more  MIR 2006»
16 years 13 days ago
Dual diffusion model of spreading activation for content-based image retrieval
This paper introduces a content-based information retrieval method inspired by the ideas of spreading activation models. In response to a given query, the proposed approach comput...
Serhiy Kosinov, Stéphane Marchand-Maillet, ...
MDM
2010
Springer
180views Communications» more  MDM 2010»
15 years 11 months ago
Online Time Interval Top-k Queries in Wireless Sensor Networks
Motivated by many applications, top-k query is a fundamental operation in modern database systems. Technological advances have enabled the deployment of large-scale sensor networks...
Baichen Chen, Weifa Liang, Jeffrey Xu Yu
HPCA
2002
IEEE
15 years 11 months ago
User-Level Communication in Cluster-Based Servers
Clusters of commodity computers are currently being used to provide the scalability required by severalpopular Internet services. In this paper we evaluate an efficient cluster-b...
Enrique V. Carrera, Srinath Rao, Liviu Iftode, Ric...