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150
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IJNSEC
2007
15 years 6 months ago
2007
In this paper, we present a novel steganographic technique for hiding data in a kind of PDF texts. We first point out the secret channels in a kind of PDF English texts, which ar...
235
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IJWET
2007
15 years 6 months ago
2007
: Context-aware ubiquitous computing environments tend to be highly distributed and heterogeneous, while also featuring increased dynamism as elements, devices and middleware compo...
173
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ADHOC
2004
15 years 6 months ago
2004
Position and orientation information of individual nodes in ad hoc networks is useful for both service and application implementation. Services that can be enabled by availability...
177
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JSAC
2007
15 years 6 months ago
2007
Abstract— Performance analysis of multiuser orthogonal frequency division multiplexing (OFDM-TDMA) and orthogonal frequency division multiple access (OFDMA) networks in support o...
226
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JSW
2007
15 years 6 months ago
2007
—Becoming more competitive and more effective in the current scenes of Business and Public Administration, the organizations must be able to approach easily and quickly to the in...