1069 search results - page 126 / 214 » Quantum Channel Capacities |
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
— The communication between a multiple-antenna transmitter and multiple receivers (users) with either a single or multiple-antenna each can be significantly enhanced by providin...
CORR
2007
Springer
13 years 8 months ago
2007
Springer
Abstract—We study a problem of broadcasting confidential messages to multiple receivers under an information-theoretic secrecy constraint. Two scenarios are considered: 1) all r...
TWC
2010
13 years 2 months ago
2010
Abstract--Free-space optical (FSO) transmission systems enable high-speed communication with relatively small deployment costs. However, FSO suffers a critical disadvantage, namely...
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 ...
ICC
2007
IEEE
14 years 1 days ago
2007
IEEE
To increase the achievable sum rate of downlink MIMO (Multiple Input Multiple Output) systems, the cooperation among Base Stations (BS) is investigated in a slow fading channel. Th...