317 search results - page 41 / 64 » Channel Estimation for Non-Line-of-Sight WiMax Communication... |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
ISCAS
2007
IEEE
14 years 1 months ago
2007
IEEE
— In communication systems which used filter bank precoders with zero padding (ZP) at the transmitter, the effect of an FIR channel can be equalized without the use of IIR equal...
ICC
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—In a multiple-input multiple-output (MIMO) multiband orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) system, coherent detection where the chann...
CNSR
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper, we propose a blind beamforming technique for multipath CDMA channels, which requires prior knowledge of only the spreading code and the timing of the desired user. ...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— Duality between the multi-antenna multi-user uplink and the downlink has been discovered in terms of sum rate, capacity region, signal-to-interference-plus-noise-ratio ...