Abstract: The performance of multiuser MIMO-OFDM downlink systems with block diagonalization (BD) depends on the accuracy of the channel state information ...
Abstract: The performance of multiuser MIMO-OFDM downlink systems with block diagonalization (BD) depends on the accuracy of the channel state information ...
Proposed Transmission Schemes. In time-varying channels, the CSIT is inevitably outdated due to the inherent time delay between the uplink estimation of the CSI ...
... transmission in multi-user. MIMO-OFDM systems over time-varying communication channels. For scenarios with different degrees of time variance, its influence ...
This paper focuses on linear precoding schemes for the transmission over spatially uncorrelated and correlated time-varying MIMO channels.Channel Status ...
[PDF] Feedback schemes for multiuser MIMO-OFDM downlink ...
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The new ldquotime-domainrdquo quantization scheme takes advantage of the channel frequency correlation structure and outperforms the other schemes, ...
Study on subcarrier and power allocation in MIMO-OFDM systems with zero-forcing beamforming. Minimizing power consumption while ensuring transmission rate.
Abstract—We investigate an orthogonal frequency-division multiplexing (OFDM)-based downlink transmission scheme for large-scale multi-user (MU) ...
In this paper, we propose a subcarrier and power allocation algorithm for Multiple-Input-Multiple-Output Orthogonal-Frequency-Division-Multiple-Access (MIMO-OFD ...
Apr 3, 2008 · Channel state feedback schemes for the MIMO broadcast downlink have been widely studied in the frequency-flat case.