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PIMRC
2008
IEEE
16 years 28 days ago
Opportunistic interference alignment in MIMO interference channels
Abstract—We present two interference alignment techniques such that an opportunistic point-to-point multiple input multiple output (MIMO) link can reuse, without generating any a...
Samir Medina Perlaza, Mérouane Debbah, Sams...
GLOBECOM
2007
IEEE
16 years 27 days ago
Transmission Schemes for Lifetime Maximization in Wireless Sensor Networks: Uncorrelated Source Observations
Abstract— We study transmission schemes for lifetime maximization in wireless sensor networks. Specifically we consider the network where all the sensors observe uncorrelated si...
Xiaolu Zhang, Meixia Tao, Chun Sum Ng
VTC
2007
IEEE
125views Communications» more  VTC 2007»
16 years 25 days ago
Gaussian Pulse Based Tone Reservation for Reducing PAPR of OFDM Signals
Abstract – One of the major drawbacks of OFDM is high Peakto-Average Power Ratio (PAPR) which can result in poor power efficiency and serious distortion in the transmitter amplif...
Carole A. Devlin, Anding Zhu, Thomas J. Brazil
SOFSEM
2007
Springer
16 years 20 days ago
Personalized Presentation in Web-Based Information Systems
Abstract. Large information spaces and complex functionality of contemporary systems together with the advent of the Semantic Web are big challenges for the design of simple yet po...
Michal Tvarozek, Michal Barla, Mária Bielik...
ESCIENCE
2006
IEEE
16 years 18 days ago
Communication over a Secured Heterogeneous Grid with the GriddLeS Runtime Environment
Scientific workflows are a powerful programming technique for specifying complex computations using a number of otherwise independent components. When used in a Grid environment, ...
Jagan Kommineni, David Abramson, Jefferson Tan