4924 search results - page 741 / 985 » Efficiency Improvement for NTRU |
132
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
This paper investigates the operations of the wavelet tree based quantization and proposes a constrained wavelet tree quantization for image watermarking. The wavelet coefficients ...
189
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
Cognitive radio is generally understood as an intelligent wireless communication system aiming at the efficient utilization of radio resources. We argue for the extension of its sc...
187
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
– MIMO (Multiple Input Multiple Output) is capable of offering several-fold increase in spectral efficiency over singleantenna systems through spatial processing. However, curren...
198
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ICC
2007
IEEE
16 years 27 days ago
2007
IEEE
: In this paper, we propose a group-based location service (GrLS) for mobile ad hoc networks (MANETs). The novelty of GrLS is in its exploitation of group mobility to improve the p...
165
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ICC
2007
IEEE
16 years 27 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...