89 search results - page 12 / 18 » Channel Estimation for SC-FDE Systems Using Frequency Domain... |
VTC
2006
IEEE
14 years 1 months ago
2006
IEEE
—The multiple-access interference (MAI) limits the performance of the DS-CDMA uplink transmission. 2 dimensional (2D) spread/chip-interleaved DS-CDMA is an MAI-free system, where...
ICC
2007
IEEE
14 years 2 months ago
2007
IEEE
— In this paper, a performance analysis of orthogonal frequency-division multiplexing (OFDM) based ultra-wideband (UWB) systems with frequency-domain spreading is presented. A co...
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...
EJASP
2010
13 years 2 months ago
2010
We adopt the concept of channel diagonalization to time-frequency signal expansions obtained by DFT filter banks. As a generalization of the frequency domain channel representatio...
SIPS
2007
IEEE
14 years 1 months ago
2007
IEEE
Digital predistortion is a technique used to reduce the signal dynamic range in a multichannel system in order to improve power amplifier (PA) efficiency. These techniques have be...