mimo channel estimates
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MIMO-OFDM Channel Estimation for Correlated Fading Channels
White Paper This paper presents MIMO-OFDM channel estimation for spatially correlated channels using frequency domain estimation techniques. First, the exploitation of spatial correlation on further improving the channel estimates is investigated. [03 Jul 2008]
Kalman Tracking of Time-Varying Channels in Wireless MIMO-OFDM Systems
White Paper The performance of coherent MIMO-OFDM systems critically depends on the availability of accurate channel estimates. In wireless communications, the MIMO channel is time-varying and thus has to be tracked by the receiver. [27 Jul 2007]
Combined Frequency and Time Domain Channel Estimation in Mobile MIMO-OFDM Systems
White Paper This paper proposes a combined frequency and time domain channel estimation method for MIMO OFDM systems. In order to reduce the interpolation error and improve the bit error rate performance, the paper proposes to refine the channel estimates in... [10 Aug 2007]
Combined Frequency and Time Domain Channel Estimation in Mobile MIMO-OFDM Systems
White Paper This paper proposes a combined frequency and time domain channel estimation method for MIMO OFDM systems. In order to reduce the interpolation error and improve the bit error rate performance, the paper proposes to refine the channel estimates in... [31 Aug 2007]
Combined Frequency and Time Domain Channel Estimation in Mobile MIMO-OFDM Systems
This paper proposes a combined frequency and time domain channel estimation method for MIMO OFDM systems. In order to reduce the interpolation error and improve the bit error rate performance, the paper proposes to refine the channel estimates in... [10 Aug 2007]
A Joint Channel and Channel Length Estimation Algorithm for MIMO-OFDM
White Paper The recent interest in coherently detected MIMO-OFDM systems has fueled research efforts on various channel estimation methods. This necessary but often overlooked component of channel estimation is crucial to accurate channel estimates in many... [26 Jul 2005]
Space-Time Interference Cancellation in MIMO-OFDM Systems
White Paper In this paper, a two stage hybrid interference cancellation and equalization framework is proposed for interference cancellation in the uplink of Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing (MIMO-OFDM) systems. [11 Apr 2007]
Real-Time Concepts for MIMO-OFDM
White Paper This paper presents a concept for implementing MIMO-OFDM in real time on a hybrid FPGA/DSP software-radio platform. This preamble allows precise channel estimates and needs little hardware effort. A new preamble is defined for the channel... [02 Aug 2007]
Practical Low Complexity Linear Equalization for MIMO-CDMA Systems
White Paper The paper also proposes Frequency Domain (FD) MIMO equalization using the overlap/add FFT method in conjunction with two different low-complexity FD-deconvolution techniques to obtain the equalizer co-efficients based on explicit channel impulse... [07 Feb 2006]
Multi-User Transmissions for OFDM: Channel Estimation and Performances
White Paper To increase the throughput of transmission systems, MIMO transmission have become a natural path. Two different MIMO schemes can be envisioned: point to point communications and multi-point to point communications. [03 Jul 2008]
Modal Analysis/Filtering to Estimate Time-Varying MIMO-OFDM Channels
White Paper In the multipath multiple-input multiple-output (MIMO) channel, long-term/large-scale properties (e.g.delays, angles, powers) remain approximately constant over many coherence times (i.e.over many Doppler periods) and define the structural terms... [21 Oct 2004]
Layered Turbo Space-Time Coded MIMO-OFDM Systems for Time Varying Channels
A joint detection-estimation scheme is proposed in this paper for multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems. A main observation is that the high coding gain of the turbo space-time code can... [30 Mar 2005]
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