In this paper, we introduce the concept of space-time channel modulation (STCM), which extends the classical space-time block codes into a third dimension: channel states (transmission media) dimension. Three novel STCM schemes, which provide interesting tradeoffs among decoding complexity, error performance, and data rate by combining space-time block coding and media-based modulation (MBM) principles, are proposed. It is shown via computer simulations that the proposed STCM schemes achieve considerably better error performance than the existing MBM and classical systems.
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Başar et al. (2017) studied this question.
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