317 search results - page 12 / 64 » Channel Estimation for Non-Line-of-Sight WiMax Communication... |
VTC
2007
IEEE
14 years 3 months ago
2007
IEEE
— Orthogonal Frequency Division Multiplexing (OFDM) has been employed in numerous wireless standards. However, the performance of OFDM systems is degraded by both the Carrier Fre...
ICASSP
2011
IEEE
13 years 17 days ago
2011
IEEE
We consider the uplink of a time-slotted wireless communication system with a mobile user and a base station equipped with an antenna array of
ICC
2008
IEEE
14 years 3 months ago
2008
IEEE
—In this work, we study the effect of imperfect channel-state information (CSI) on the stability and delay of a two-user channel-aware slotted ALOHA system. We assume that the ch...
TSP
2010
13 years 3 months ago
2010
Abstract--This paper proposes a training-based channel estimation scheme for achieving quality-of-service discrimination between legitimate and unauthorized receivers in wireless m...
INFOCOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— We propose the quality-of-service (QoS) driven power allocation schemes for parallel fading channels when considering imperfect channel estimations. In particular, the parallel...