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- W4386499049 abstract "This letter studies the mechanism of uplink multiple access and jamming suppression in an OTFS system. Specifically, we propose a novel resource hopping mechanism for orthogonal time frequency space (OTFS) systems with delay or Doppler partitioned sparse code multiple access (SCMA) to mitigate the effect of jamming in controlled multiuser uplink. We analyze the non-uniform impact of classic jamming signals such as narrowband interference (NBI) and periodic impulse noise (PIN) in delay-Doppler (DD) domain on OTFS systems. Leveraging turbo equalization, our proposed hopping method demonstrates consistent BER performance improvement under jamming over conventional OTFS-SCMA systems compared to static resource allocation schemes." @default.
- W4386499049 created "2023-09-07" @default.
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- W4386499049 date "2023-09-01" @default.
- W4386499049 modified "2023-10-16" @default.
- W4386499049 title "Jamming Suppression Via Resource Hopping in High-Mobility OTFS-SCMA Systems" @default.
- W4386499049 doi "https://doi.org/10.48550/arxiv.2309.00753" @default.
- W4386499049 hasPublicationYear "2023" @default.
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