Diagonal and Alamouti Space-Frequency Coded Quadrature Index Modulation
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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