122 search results - page 5 / 25 » Information Rates for Multiantenna Systems With Unknown Fadi... |
TIT
2010
13 years 2 months 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...
GLOBECOM
2006
IEEE
14 years 1 months 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...
ICC
2007
IEEE
14 years 1 months 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...
TCOM
2008
13 years 7 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...
CISS
2008
IEEE
14 years 2 months 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...