512 search results - page 4 / 103 » Random Access Systems with a Time Varying Channel |
GLOBECOM
2007
IEEE
14 years 5 months ago
2007
IEEE
— In this paper, we consider a pulse shaping OFDM/BFDM system operating over doubly dispersive channel. We propose to search the optimal pulse maximizing the signal to interferen...
TSP
2008
13 years 10 months ago
2008
We propose low-complexity block turbo equalizers for orthogonal frequency-division multiplexing (OFDM) systems in time-varying channels. The presented work is based on a soft minim...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— A real-time multiple-input multiple-output (MIMO) channel measurement system was implemented by using a 4×4 MIMO software defined radio (SDR) testbed. A target application of...
INFOCOM
2007
IEEE
14 years 5 months ago
2007
IEEE
—We consider the problem of uplink/downlink scheduling in a multichannel wireless access point network where channel states differ across channels as well as users, vary with tim...
VTC
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract—This paper studies the performance of orthogonal frequency division multiple access – time division duplex (OFDMA-TDD) cellular networks when jointly applying dynamic ...