Reduced-Complexity Near-Maximum-Likelihood Detection for Decision Feedback Assisted Space-Time Equalization

Linear Equalization Combined with Multiple Symbol Decision Feedback Detection for Differential Space-Time Modulation

Differential space-time modulation (DSTM) for multiple antenna communication systems has been recently proposed for frequency-nonselective fading channels. In broadband multirate systems, frequency-selective fading may occur. In this paper, the DSTM in frequency-selective fading channels is considered. A linear equalizer for the DSTM is proposed over frequency-selective fading channels. Further...

Single-Carrier Space Time Transmission Diversity with Decision Feedback Equalization

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Multi-user Decision-feedback Space-time Equalization and Diversity Reception

| This paper investigates optimum in nitelength multi-user decision-feedback space-time equalization implemented with cross-feedback lters in order to remove not only post-cursor ISI but also postcursor CCI. Closed-form expressions are derived for the optimal feedforward and feedback lters as well as the minimum achievable MSE (mean-square error) as a function of channel spectra for a one-anten...

Reduced Rank Space-Time Equalization

In wireless communication systems with antenna arrays the spatiotemporal channel can often be described by a low-rank model. By exploiting this information, corresponding low rank equalizers with reduced complexity can be designed. By applying such low rank equalizers to a set of uplink measurements, we demonstrate that the performance loss associated with the lower complexity is small.

Space-time block codes with low maximum-likelihood decoding complexity