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119
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JCM
2008
15 years 2 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 ...
132
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ICASSP
2011
IEEE
14 years 6 months ago
2011
IEEE
The performance of a multiuser MIMO broadcast system depends highly on how the users being served are selected from the pool of users requesting service. Though dirty paper coding...
WIMOB
2008
IEEE
15 years 8 months ago
2008
IEEE
—Based on the principle of spread spectrum systems, this paper presents a hybrid automatic-repeat-request (HARQ) scheme with the mitigation of intercarrier interference (ICI) by ...
115
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ATAL
2010
Springer
15 years 3 months ago
2010
Springer
It is to date an open question to know how the updating methods affect the evolution of a multi-agent system. This question has been tackled for various complex systems such as ce...
174
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JOC
2010
15 years 27 days ago
2010
We present a new encryption scheme which is secure against adaptive chosenciphertext attack (or CCA2-secure) in the standard model (i.e. without the use of random oracle). Our sch...