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In this paper, we put forth an approach pursuing performance gain of vector perturbation in multiuser MIMO downlink. Instead of achieving maximal sum capacity by employing maximum number of mobile users for communication, we sacrifice small part of them for improving the performance of ones participating communication. By controlling parameters of these sacrificing users, we achieve considerable improvement...
In order to meet the constantly increasing demand for ubiquitous, mobile access to the internet, next-generation mobile broadband communications systems based on OFDMA, such as IEEE 802.16 m, require a significant performance increase over previous generation systems, such as IEEE 802.16e-2005, particularly in cell-edge and average spectral efficiency. In this paper, we address the downlink adaptive...
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