ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— The design of ultra-wideband (UWB) impulse radio receivers has to cope with complex signal propagation environments with dense multipath fading, which complicate channel estima...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
—Adaptive Turbo frequency-domain channel estimation is investigated for single-carrier (SC) multi-user detection in the presence of unknown co-channel interference (CCI). We prop...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— In this paper, we consider the problem of blind channel estimation for multi-input, multi-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems via second ord...
GLOBECOM
2007
IEEE
14 years 5 months ago
2007
IEEE
— In this paper, we develop low-complexity iterative channel estimation techniques for emerging IDMA systems. The channel estimators make use of pilots as well as soft decoded da...
GLOBECOM
2007
IEEE
14 years 5 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 ...
VTC
2008
IEEE
14 years 5 months ago
2008
IEEE
— The second-order statistics of a time-domain signal are very often used in blind and semi-blind channel estimation. Considering that the received signal in MIMO-OFDM systems mi...
VTC
2008
IEEE
14 years 5 months ago
2008
IEEE
Spectrum-overlay scenarios for wide-band multi-carrier (MC) systems bring new technical challenges along that must be considered during the system design. In such scenarios, the r...
VTC
2008
IEEE
14 years 5 months ago
2008
IEEE
—Frequency-domain equalization (FDE) based on the minimum mean square error (MMSE) criterion and frequencydomain inter-chip interference (ICI) cancellation can be incorporated in...
VTC
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract— In this paper, we investigate Turbo-coded transmission over a temporally correlated flat Rayleigh fading channel. Conventionally, channel estimation is performed prior...