VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
Abstract – Multiple-Input-Multiple-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) systems have recently attracted substantial research interest. However, compare...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— In Orthogonal Frequency Division Multiplexing (OFDM) systems, synchronization errors in the receiver cause a linear phase rotation at the output of the Discrete Fourier Transfo...
VTC
2006
IEEE
14 years 4 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...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
Abstract— In mobile telecommunications, the quality of demodulation is strongly impacted by channel estimation. The Joint Angle, Delay and Polarization Estimation (JADPE) problem...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— For the uplink transmission of a coded OFDMA system, we present an iterative receiver that performs joint frequency offset acquisition, channel estimation and maximum a posteri...
VTC
2006
IEEE
14 years 4 months ago
2006
IEEE
— In this paper, single carrier frequency domain equalization with space time transmit diversity was implemented and evaluated in real-time using a DSP-based wireless MIMO test-b...
GLOBECOM
2006
IEEE
14 years 4 months ago
2006
IEEE
Abstract— Channel estimation and synchronization are crucial problems in coherent Ultra wideband (UWB) systems. We develop a new channel estimation scheme that can further improv...
ICC
2007
IEEE
14 years 5 months ago
2007
IEEE
— Current OFDM systems assume the channel is not time varying within one OFDM frame, and use channel estimates obtained from preamble or pilots for data symbols within the same f...
VTC
2007
IEEE
14 years 5 months ago
2007
IEEE
Abstract— Spectrum-overlay scenarios for wideband multicarrier (MC) systems bring new technical challenges that must be considered during the system design. In such a scenario, t...
VTC
2007
IEEE
14 years 5 months ago
2007
IEEE
In this paper, the issue of channel estimation in Single Carrier Frequency Domain Equalization (SC-FDE)1 uplink Space Division Multiple Access (SDMA) systems in the presence of in...