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In this work, we investigate the spectral efficiency (SE) and energy efficiency (EE) for a massive multiple-input multiple-output multi-pair two-way amplify-and-forward relaying system, where multi-pair users exchange information via a relay station equipped with large scale antennas. We assume that imperfect channel state information is available and maximum-ratio combining/maximum-ratio transmission...
In this paper, the robust waveform optimization problem with imperfect clutter prior knowledge is addressed for improving the detection performance of MIMO-OFDM radar based STAP in the complex environment. Robust waveform optimization is needed due to that fact that MEMO radar waveform design is often sensitive to estimation errors in the initial parameter estimates (i.e., some prior information on...
This paper investigates a massive MIMO multi-pair two-way relay system, where K-pair users exchange information within communication pair, with the help of a shared amplify- and-forward (AF) relay station (RS). Large scale antenna array is equipped at the RS and each user has a signal antenna. The RS adopts the zero-forcing reception/zero-forcing transmission (ZFR/ZFT) beamforming. The imperfect channel...
A multi-pair two-way amplify-and-forward relaying system is considered in this paper, where the $K$-pair users exchange information within pairs, with the help of a shared relay station. Each user is equipped with a single antenna while the relay station is equipped with a very large number of antennas $N$, where $N\gg2K$. The impact of imperfect channel state information (CSI) due to the channel...
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