3571 search results - page 5 / 715 » On the Power of Imperfect Information |
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract— The problem of resource allocation (RA) in a downlink OFDMA system is examined under the realistic assumption of imperfect channel state information (CSI) at the base s...
GLOBECOM
2008
IEEE
14 years 1 months ago
2008
IEEE
Abstract—In this paper, we consider robust joint linear precoder/receive filter design for multiuser multi-input multi-output (MIMO) downlink that minimizes the sum mean square ...
JSAC
2006
13 years 7 months ago
2006
Abstract--We propose the scheme to integrate transmit selection diversity/maximal-ratio combining (TSD/MRC) with multicarrier (MC) direct-sequence code-division multiple access (DS...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
–Call admission control (CAC) is essential to guarantee the signal quality in CDMA systems. Signal-tointerference-and-noise ratio (SINR) is used as a criterion for user admission...
CORR
2010
Springer
13 years 2 months ago
2010
Springer
In various applications, the effect of errors in gradient-based iterations is of particular importance when seeking saddle points of the Lagrangian function associated with constra...