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» On Unbiased Linear Approximations
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VTC
2008
IEEE
153views Communications» more  VTC 2008»
15 years 4 months ago
Symbol Error Rate of Space-Time Coded Multi-Antenna Wireless Cooperative Networks
—In this paper, we propose a generalized cooperative signal transmission model for wireless networks. In this model, the source, the destination, and an arbitrary number of relay...
Javad Vazifehdan, Jos H. Weber
ICC
2007
IEEE
145views Communications» more  ICC 2007»
15 years 4 months ago
Adaptive Radial Basis Function Detector for Beamforming
— We consider nonlinear detection in rank-deficient multiple-antenna assisted beamforming systems. By exploiting the inherent symmetry of the underlying optimal Bayesian detecti...
Sheng Chen, Khaled Labib, Rong Kang, Lajos Hanzo
ICC
2007
IEEE
303views Communications» more  ICC 2007»
15 years 4 months ago
Frequency Domain Channel Estimation for OFDM Based on Slepian Basis Expansion
Abstract—In this paper we propose a low complexity frequency domain channel estimator for pilot-symbol-assisted (PSA) orthogonal frequency division multiplexing (OFDM) systems in...
Jinho Kim, Chih-Wei Wang, Wayne E. Stark
ICC
2007
IEEE
125views Communications» more  ICC 2007»
15 years 4 months ago
Scalable Fault Diagnosis in IP Networks using Graphical Models: A Variational Inference Approach
In this paper we investigate the fault diagnosis problem in IP networks. We provide a lower bound on the average number of probes per edge using variational inference technique pro...
Rajesh Narasimha, Souvik Dihidar, Chuanyi Ji, Stev...
IJCNN
2007
IEEE
15 years 4 months ago
Branching Principal Components: Elastic Graphs, Topological Grammars and Metro Maps
— To approximate complex data, we propose new type of low-dimensional “principal object”: principal cubic complex. This complex is a generalization of linear and nonlinear pr...
Alexander N. Gorban, Neil R. Sumner, Andrei Yu. Zi...