1069 search results - page 126 / 214 » Quantum Channel Capacities |
164
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GLOBECOM
2009
IEEE
16 years 1 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...
149
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CORR
2007
Springer
15 years 6 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...
147
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TWC
2010
15 years 1 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...
169
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ICC
2008
IEEE
16 years 24 days 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 ...
174
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ICC
2007
IEEE
15 years 10 months 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...