4647 search results - page 594 / 930 » Analysis and design of OFDM-IDMA systems |
161
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CLEF
2009
Springer
15 years 8 months ago
2009
Springer
This paper describes our experiments in Geographical Information Retrieval with the Wikipedia collection in the context of our participation in the GikiCLEF 2009 Multilingual task...
181
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CLEIEJ
2008
15 years 7 months ago
2008
In the past few years Artificial Intelligence has been gradually introduced to enhance Education through technologies. However, usual approaches provide systems with a kind of exp...
200
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CORR
2008
Springer
15 years 7 months ago
2008
Springer
The underwater acoustic channel is characterized by a path loss that depends not only on the transmission distance, but also on the signal frequency. As a consequence, transmission...
179
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IJSN
2006
15 years 6 months ago
2006
: The pervasive availability and wide usage of wireless networks with different kinds of topologies, techniques and protocol suites have brought with them a need to improve securit...
189
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IJNSEC
2007
15 years 6 months ago
2007
Data-dependent (DD) permutations (DDP) are discussed as a cryptographic primitive for the design of fast hardware, firmware, and software encryption systems. DDP can be performed...