Fast Near-Field Beam Training for Extremely Large-Scale Array
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3212344
Abstract: In this letter, we study efficient near-field beam training design for the extremely large-scale array (XL-array) communication systems. Compared with the conventional far-field beam training method that searches for the best beam direction only, the… read more here.
Keywords: beam; beam training; near field; field beam ... See more keywords
Deep Learning of Near Field Beam Focusing in Terahertz Wideband Massive MIMO Systems
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3233566
Abstract: Employing large antenna arrays and utilizing large bandwidth have the potential of bringing very high data rates to future wireless communication systems. However, this brings the system into the near-field regime and also makes the… read more here.
Keywords: near field; field beam; deep learning; beam focusing ... See more keywords
Relative positioning method for near-field beam spot array with optical microscope image of lithographic patterns using linear regression
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DOI: 10.1364/ao.56.001346
Abstract: A method for simply analyzing the relation between spot positions of near-field beam sources with micrometer pitch is proposed using an optical microscope. Based on the locations of spots in an optical microscopy image of… read more here.
Keywords: spot; field beam; near field; method ... See more keywords