13977 search results - page 698 / 2796 » Evolution in complex systems |
201
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GLOBECOM
2008
IEEE
15 years 7 months ago
2008
IEEE
Selection cooperation is proposed for rateless coded relaying by developing a novel low-complexity protocol that exploits all source-destination, source-relay, and relay-destinatio...
197
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JCM
2008
15 years 7 months ago
2008
We compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely cyclic shift diversity ...
215
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ISB
2002
15 years 7 months ago
2002
Data Mining and Knowledge Discovery techniques proved to be efficient tools for variety of complex tasks in biology including DNA research. This paper presents implementation of th...
179
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ICASSP
2011
IEEE
14 years 11 months ago
2011
IEEE
Abstract— In this paper, we derive a maximum-likelihood (ML) decoder of the decode-and-forward (DF) protocol utilizing an arbitrary complex-valued M-point constellation. Existing...
262
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
The description, composition, and execution of even logically simple scientific workflows are often complicated by the need to deal with "messy" issues like heterogeneou...