235 search results - page 24 / 47 » Rate and Power Allocation in Fading Multiple Access Channels |
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
—We consider a system with a single base station communicating with multiple users over orthogonal channels while being assisted by multiple relays. Several recent works have sug...
COMCOM
2008
13 years 8 months ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
DCC
2006
IEEE
14 years 7 months ago
2006
IEEE
This paper considers the development of a general framework for the analysis of transmit beamforming methods in multiple antenna systems with finite-rate feedback. Inspired by the...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
INFOCOM
2007
IEEE
14 years 2 months ago
2007
IEEE
—We consider the problem of uplink/downlink scheduling in a multichannel wireless access point network where channel states differ across channels as well as users, vary with tim...