ICC
2007
IEEE
13 years 10 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
13 years 10 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
13 years 10 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
13 years 10 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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...