512 search results - page 5 / 103 » Random Access Systems with a Time Varying Channel |
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— Throughput maximization in a packet switched wireless communication system is considered in this paper. The channel variation is accounted for by modeling the channel as a fin...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
—— The performance of multiuser MIMO downlink systems with block diagonalization (BD) relies on the channel state information (CSI) at the transmitter to a great extent. For ti...
JCM
2008
13 years 10 months ago
2008
This paper analyzes the influence of time-varying cyclic delay diversity (TV-CDD) on the channel fading correlation properties in orthogonal frequency division multiplexing (OFDM) ...
INFOCOM
2002
IEEE
14 years 3 months ago
2002
IEEE
-- We consider power and server allocation in a multi-beam satellite downlink which transmits data to N different ground locations over N time-varying channels. Packets destined fo...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
When adapting the transmitter to the channel state information (CSI), improved transmission is possible compared to the open loop system where no CSI is provided at the transmitte...