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- W4214691461 abstract "Orthogonal Time Frequency Space (OTFS) as a two-dimensional modulation scheme designed in the delay-Doppler domain, is realized by inverse symplectic finite Fourier transform (ISFFT) and symplectic finite Fourier transform (SFFT), for combating the high Doppler channels toward future wireless communications. Meanwhile, generalized spatial modulation (GSM) offers an efficient implementation for multi-input multi-output (MIMO) systems, by activating only part of the transmit antennas to alleviate inter-channel interference (ICI). In this paper, the combination of the above two concepts is exploited, for bridging their unique advantages. On the other hand, an iterative detector based on generalized approximate message passing (GAMP) is also developed for GSM-OTFS. Simulation results demonstrate that the proposed GAMP detector can achieve better performance than the conventional minimum mean square error (MMSE) detector." @default.
- W4214691461 created "2022-03-02" @default.
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- W4214691461 date "2022-01-01" @default.
- W4214691461 modified "2023-10-18" @default.
- W4214691461 title "Generalized Approximate Message Passing Detector for GSM-OTFS Systems" @default.
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- W4214691461 doi "https://doi.org/10.1109/access.2022.3153703" @default.
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