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TWC
2010
14 years 11 months ago
Optimized Training Sequences for Spatially Correlated MIMO-OFDM
In this paper, the training sequence design for multiple-input multiple-output (MIMO) orthogonal frequencydivision multiplexing (OFDM) systems under the minimum mean square error (...
Hoang Duong Tuan, Ha Hoang Kha, Ha H. Nguyen, Viet...
WIOPT
2010
IEEE
15 years 2 months ago
Iterative power and subcarrier allocation for maximizing WSMR in cellular OFDMA systems
We consider the resource allocation (RA) problem of maximizing the weighted sum of the minimal user rates (WSMR) of coordinated cells subject to a total power constraint at each ba...
Tao Wang, Luc Vandendorpe
INFOCOM
2007
IEEE
15 years 11 months ago
Optimal Policies for Distributed Data Aggregation in Wireless Sensor Networks
Abstract— We consider the scenario of distributed data aggregation in wireless sensor networks, where each sensor can obtain and estimate the information of the whole sensing fi...
Zhenzhen Ye, Alhussein A. Abouzeid, Jing Ai
ICDCS
2007
IEEE
15 years 11 months ago
AVMON: Optimal and Scalable Discovery of Consistent Availability Monitoring Overlays for Distributed Systems
This paper addresses the problem of selection and discovery of a consistent availability monitoring overlay for computer hosts in a large-scale distributed application, where host...
Ramsés Morales, Indranil Gupta
JCC
2008
166views more  JCC 2008»
15 years 5 months ago
Reference energy extremal optimization: A stochastic search algorithm applied to computational protein design
: We adapt a combinatorial optimization algorithm, extremal optimization (EO), for the search problem in computational protein design. This algorithm takes advantage of the knowled...
Naigong Zhang, Chen Zeng