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- W2334570067 abstract "We consider differential spatial modulation (DSM) operating in a block fading environment and propose sparse unitary dispersion matrices (DMs) using algebraic field extensions. The proposed DM sets are capable of exploiting full transmit diversity and, in contrast to the existing schemes, can be constructed for systems having an arbitrary number of transmit antennas. More specifically, two schemes are proposed: 1) field-extension-based DSM (FE-DSM), where only a single conventional symbol is transmitted per space-time block; and 2) FE-DSM striking a diversity-rate tradeoff (FE-DSM-DR), where multiple symbols are transmitted in each space-time block at the cost of a reduced transmit diversity gain. Furthermore, the FE-DSM scheme is analytically shown to achieve full transmit diversity, and both proposed schemes are shown to impose decoding complexity, which is independent of the size of the signal set. It is observed from our simulation results that the proposed FE-DSM scheme suffers no performance loss compared with the existing DM-based DSM (DM-DSM) scheme, whereas FE-DSM-DR is observed to give a better bit-error-ratio performance at higher data rates than its DM-DSM counterpart. Specifically, at data rates of 2.25 and 2.75 bits per channel use, FE-DSM-DR is observed to achieve about 1- and 2-dB signal-to-noise ratio (SNR) gain with respect to its DM-DSM counterpart." @default.
- W2334570067 created "2016-06-24" @default.
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- W2334570067 date "2017-01-01" @default.
- W2334570067 modified "2023-10-16" @default.
- W2334570067 title "Full-Diversity Dispersion Matrices From Algebraic Field Extensions for Differential Spatial Modulation" @default.
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- W2334570067 doi "https://doi.org/10.1109/tvt.2016.2536802" @default.
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