2059 search results - page 31 / 412 » A Directed Threshold - Signature Scheme |
148
Voted
IJNSEC
2008
15 years 5 months ago
2008
This paper presents a new multi-band wavelet watermarking scheme. Compared with conventional watermarking schemes implemented in two-band wavelet domain, by incorporating the prin...
164
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INFOCOM
2011
IEEE
14 years 9 months ago
2011
IEEE
—In this work, for a wireless sensor network (WSN) of n randomly placed sensors with node density λ ∈ [1, n], we study the tradeoffs between the aggregation throughput and gat...
193
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PIMRC
2010
IEEE
15 years 3 months ago
2010
IEEE
In a multiuser system, independent time-varying channels among different users can be exploited to provide multiuser diversity (MUD) gain and increase the system throughput. For th...
158
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GLOBECOM
2009
IEEE
16 years 6 days ago
2009
IEEE
Abstract— Quickest detection is applied in the spectrum sensing of cognitive radio systems when multiple secondary users collaborate with limited communication time slots. When t...
168
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TSP
2010
15 years 4 days ago
2010
A random beamforming scheme for the Gaussian MIMO broadcast channel with channel quality feedback is investigated and extended. Considering the case where the receivers each have r...