74 search results - page 11 / 15 » Channel prediction for multiuser downlink LTE-TDD systems |
GLOBECOM
2006
IEEE
15 years 4 months ago
2006
IEEE
—We demonstrate that receive antenna selection (RAS) provides significant increase in the achievable sum rates for multi-user MIMO wireless downlinks that employ block diagonaliz...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
Abstract— Adaptive transmission techniques including transmit beamforming, precoding, and opportunistic scheduling offer high spectral efficiency when channel state information ...
VTC
2007
IEEE
15 years 4 months ago
2007
IEEE
—This paper presents a downlink performance analysis of a Layered Random Beamforming (LRB) - MIMO-OFDMA Physical Layer (PHY) as applicable to future generation wireless communica...
GLOBECOM
2008
IEEE
14 years 11 months ago
2008
IEEE
Abstract—This paper investigates the zero-forcing (ZF) beamforming transmit strategy in the multiple-antenna multiuser downlink systems. We consider the case of mobile users equi...
GLOBECOM
2007
IEEE
15 years 4 months ago
2007
IEEE
This paper addresses initial ranging (uplink synchronization and power control) for TDD OFDMA systems. Exploiting the channel knowledge from the downlink channel together with ini...