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ICASSP
2011
IEEE
14 years 7 months ago
Analysis of the pilot contamination effect in very large multicell multiuser MIMO systems for physical channel models
We consider multicell multiuser MIMO systems with a very large number of antennas at the base station. We assume that the channel is estimated by using uplink training sequences, ...
Hien Quoc Ngo, Thomas L. Marzetta, Erik G. Larsson
CMG
2003
15 years 5 months ago
{Performance Modeling and Evaluation of Large-Scale J2EE Applications
The queueing Petri net (QPN) paradigm provides a number of benefits over conventional modeling paradigms such as queueing networks and generalized stochastic Petri nets. Using qu...
Samuel Kounev, Alejandro P. Buchmann
ECSA
2008
Springer
15 years 5 months ago
A Security Model for Internet-Based Digital Asset Management Systems
Abstract. Usage and exploitation of the Internet is a critical requirement for managing and distributing valuable digital assets. This requirement introduces a great number of thre...
Ioannis Chatzigiannakis, Vasiliki Liagkou, D. Salo...
COMPSAC
2007
IEEE
15 years 10 months ago
An Automatic Connector Generation Method for Dynamic Architecture
In a component-based system components are basic computation units implementing specific business functions, and their interactions are explicitly represented by connectors. If th...
Yiming Yang, Xin Peng, Wenyun Zhao
ICMI
2009
Springer
105views Biometrics» more  ICMI 2009»
15 years 10 months ago
Grounding spatial prepositions for video search
Spatial language video retrieval is an important real-world problem that forms a test bed for evaluating semantic structures for natural language descriptions of motion on natural...
Stefanie Tellex, Deb Roy