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Composite vector quantization for optimizing antenna locations
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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11111
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Turkish Journal of Electrical Engineering and Computer Sciences, Volume 26, issue 3, pp. 1225-12335
Abstract
In this paper, we study the location optimization problem of remote antenna units (Raus) in generalized distributed antenna systems (GDASs). We propose a composite vector quantization (CVQ) algorithm that consists of unsupervised and supervised terms for Rau location optimization. We show that the CVQ can be used i) to minimize an upper bound to the cell-averaged SNR error for a desired/demanded location-specific SNR function, and ii) to maximize the cell-averaged effective SNR. The CVQ-DAS includes the standard VQ, and thus the well-known squared distance criterion (SDC) as a special case. Computer simulations confirm the findings and suggest that the proposed CVQ-DAS outperforms the SDC in terms of cell-averaged “effective SNR”.
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Uykan, Z & Jäntti, R 2018, 'Composite vector quantization for optimizing antenna locations', Turkish Journal of Electrical Engineering and Computer Sciences, vol. 26, no. 3, pp. 1225-12335. https://doi.org/10.3906/elk-1512-245