122 search results - page 5 / 25 » Information Rates for Multiantenna Systems With Unknown Fadi... |
160
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TIT
2010
15 years 21 days ago
2010
We consider the problem of rate and power allocation in a multiple-access channel. Our objective is to obtain rate and power allocation policies that maximize a general concave ut...
175
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GLOBECOM
2006
IEEE
16 years 1 days ago
2006
IEEE
— We study coding and modulation rate adaptation problem for HARQ systems with partially observable state from cross-layer viewpoint. The rate of convolutionally coded MQAM is ad...
158
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ICC
2007
IEEE
16 years 9 days ago
2007
IEEE
— An advanced decision-directed channel estimation scheme is proposed, which is suitable for employment in a wide range of multi-antenna multi-carrier systems as well as for comm...
166
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TCOM
2008
15 years 5 months ago
2008
We consider the problem of differentiated rate scheduling for the downlink (i.e., multi-antenna broadcast channel), in the sense that the rates required by different users must sat...
170
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CISS
2008
IEEE
16 years 13 days ago
2008
IEEE
Abstract— A cross-layer optimization combining retransmission diversity with multi-user diversity is investigated for wireless communications. To this end, a joint design of adap...