160 search results - page 5 / 32 » On the Capacity of Multiple Access Channels with State Infor... |
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— We use the idea of dependence balance [1] to obtain the first improvement over the cut-set bound for the discrete memoryless multiple access channel with noiseless feedback (M...
ICC
2008
IEEE
14 years 2 months ago
2008
IEEE
— The multiuser multiple-input multiple-output (MIMO) broadcast channel uses multiple antennas at the transmitter to simultaneously deliver information to multiple users. Despite...
CORR
2008
Springer
13 years 8 months ago
2008
Springer
For general memoryless systems, the typical information theoretic solution - when exists - has a "single-letter" form. This reflects the fact that optimum performance ca...
JSAC
2008
13 years 8 months ago
2008
Abstract--In a downlink Orthogonal Frequency Division Multiple Access (OFDMA) system, optimally allocating sub-channels across mobile users can require excessive feedback of channe...
JSAC
2007
13 years 7 months ago
2007
— Channel state information (CSI) is important for achieving large rates in MIMO channels. However, in timevarying MIMO channels, there is a tradeoff between the time/energy spen...