8581 search results - page 1391 / 1717 » Digital Signal Processing |
200
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ICIP
2008
IEEE
16 years 1 months ago
2008
IEEE
Compressed sensing(CS) suggests that a signal, sparse in some basis, can be recovered from a small number of random projections. In this paper, we apply the CS theory on sparse ba...
154
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VTC
2008
IEEE
16 years 29 days ago
2008
IEEE
— A dense urban cellular environment contains many different locations where a line-of-sight or specular signal component from the base station is present. The small scale fading...
154
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ICC
2007
IEEE
16 years 28 days ago
2007
IEEE
— In this paper, we propose a dynamic lightpath establishment method for service differentiation in all-optical WDM networks with the capability of full-range wavelength conversi...
165
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ICC
2007
IEEE
16 years 28 days ago
2007
IEEE
- In the paper, we propose an efficient two-factor localized authentication scheme suitable for WLAN roaming. The proposed authentication scheme can greatly improve the security co...
159
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ICIP
2007
IEEE
16 years 28 days ago
2007
IEEE
Numerous approaches for distributed video coding have been recently proposed. One of main motivations for these techniques is the possibility of achieving complexity tradeoffs bet...