Articles with "alamouti space" as a keyword



Non-Orthogonal Multiple Access With Alamouti Space–Time Block Coding

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Published in 2018 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2018.2849387

Abstract: In this letter, we investigate the combination of non-orthogonal multiple access (NOMA) with the conventional Alamouti space–time lock coding scheme over Nakagami-m fading environments. In the network, one base station serves multiple users simultaneously by… read more here.

Keywords: alamouti space; space time; non orthogonal; multiple access ... See more keywords
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Diagonal and Alamouti Space-Frequency Coded Quadrature Index Modulation

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Published in 2022 at "IEEE Communications Letters"

DOI: 10.1109/lcomm.2021.3137852

Abstract: In this letter, a new diagonal and Alamouti space-frequency coded quadrature index modulation (DASFC-QIM) scheme for MIMO-OFDM systems is proposed to achieve higher transmit diversity. In the proposed DASFC-QIM scheme, firstly two modulated symbols are… read more here.

Keywords: quadrature; alamouti space; diagonal alamouti; space ... See more keywords