563 search results - page 65 / 113 » Optimal Transmission for Dying Channels |
163
click to vote
CORR
2008
Springer
15 years 6 months ago
2008
Springer
We consider the problem of rate allocation in a fading Gaussian multiple-access channel (MAC) with fixed transmission powers. Our goal is to maximize a general concave utility func...
207
click to vote
CORR
2011
Springer
14 years 10 months ago
2011
Springer
The tremendous capacity gains promised by space division multiple access (SDMA) depend critically on the accuracy of the transmit channel state information. In the broadcast chann...
155
click to vote
VTC
2007
IEEE
16 years 12 days ago
2007
IEEE
—The exploitation of multiuser diversity and the application of multiple antennas at transmitter and receiver are considered to be key technologies for future highly bandwidtheff...
172
click to vote
TWC
2008
15 years 6 months ago
2008
In this paper, we investigate an optimal power loading algorithm for an OFDM-based cognitive radio (CR) system. The downlink transmission capacity of the CR user is thereby maximiz...
211
click to vote
IAJIT
2011
14 years 9 months ago
2011
: Handoff is a critical function that enables mobile nodes to stay connected to the wireless network by switching the data connection from one WLAN to another. During handoff the c...