720 search results - page 7 / 144 » A Weighting Scheme for Star-Graphs |
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
This paper focuses on perturbation-based distributed beamforming with 1-bit feedback for wireless amplify-and-forward relay networks. We propose to use multiplicative perturbation...
VISUAL
1999
Springer
14 years 21 days ago
1999
Springer
This paper describes the application of techniques derived from text retrieval research to the content-based querying of image databases. Speci cally, the use of inverted les, fre...
MICCAI
2010
Springer
13 years 6 months ago
2010
Springer
Recent advances in diffusion weighted MR imaging (dMRI) has made it a tool of choice for investigating white matter abnormalities of the brain and central nervous system. In this w...
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
—Opportunistic beamforming (OB) relies on the transmission of Channel State Information (CSI) in the form of instantaneous Signal to Noise Ratio (SNR) from Mobile Stations (MSs) ...
SODA
1998
ACM
13 years 9 months ago
1998
ACM
Given a planar graph on n nodes with costs weights on its edges, de ne the distance between nodes i and j as the length of the shortest path between i and j. Consider this as an i...