Underlying Security Transmission Design for Orthogonal Time Frequency Space (OTFS) Modulation [PDF]
Sensors, 2022 With the aim of ensuring secure transmission in high-mobility wireless scenarios, this paper proposes a 2D permutation-aided Orthogonal Time Frequency Space (OTFS) secure transmission scheme, which uses the Gosudarstvennyi Standard (GOST) algorithm to ...
Wei Liang +4 more
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Hamming Distance Optimized Underwater Acoustic OTFS-IM Systems [PDF]
Entropy, 2023 The orthogonal time frequency space (OTFS) modulation technique can provide reliable communication in time-varying channels. Due to the dispersive characteristics of underwater acoustic channels, this paper proposes an OTFS-IM underwater acoustic ...
Xiaopeng Guo +4 more
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Integrated Sensing and Communication via Orthogonal Time Frequency Space Signaling with Hybrid Message Passing Detection and Fractional Parameter Estimation [PDF]
Sensors, 2023 For the orthogonal time frequency space (OTFS) modulation, we generally multiplex symbols on a new type of carrier waveform in the delay-Doppler (DD) domain.
Ji Zhang, Leqi Cai, Huanyou Liu
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A Structured Sparse Bayesian Channel Estimation Approach for Orthogonal Time—Frequency Space Modulation [PDF]
Entropy, 2023 Orthogonal time–frequency space (OTFS) modulation has been advocated as a promising waveform for achieving integrated sensing and communication (ISAC) due to its superiority in high-mobility adaptability and spectral efficiency.
Mi Zhang +6 more
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A Survey on Orthogonal Time Frequency Space Modulation [PDF]
IEEE Open Journal of the Communications SocietyOrthogonal time frequency space (OTFS) modulation is strongly considered as a promising solution for high-mobility communications. In contrast to conventional modulation techniques, wherein information symbols are multiplexed in a one-dimensional time or
Mahmoud Aldababsa +3 more
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Integrated Sensing and Communication Using Random Padded OTFS with Reduced Interferences [PDF]
SensorsThe orthogonal time frequency space (OTFS) is a modulation designed to transmit data in high Doppler channels where the usage of the orthogonal frequency division multiplexing (OFDM) is challenging. The random padded OTFS (RP-OTFS) modulation, introduced
Pavel Karpovich, Tomasz P. Zielinski
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Differentiated Embedded Pilot Assisted Automatic Modulation Classification for OTFS System: A Multi-Domain Fusion Approach [PDF]
SensorsOrthogonal time–frequency space (OTFS) modulation has emerged as a promising technology to alleviate the effects of the Doppler shifts in high-mobility environments.
Zhenkai Liu, Bibo Zhang, Hao Luo, Hao He
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Signal Detection Based on Separable CNN for OTFS Communication Systems [PDF]
EntropyThis paper proposes a low-complexity signal detection method for orthogonal time frequency space (OTFS) communication systems, based on a separable convolutional neural network (SeCNN), termed SeCNN-OTFS. A novel SeparableBlock architecture is introduced,
Ying Wang +4 more
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Efficient signal detector design for OTFS with index modulation
Digital Communications and NetworksIn this paper, efficient signal detectors are designed for Orthogonal Time Frequency Space (OTFS) modulation with Index Modulation (IM) systems. Firstly, the Minimum Mean Squared Error (MMSE) based linear equalizer and its corresponding soft-aided ...
Yezeng Wu +4 more
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Channel modeling and capacity optimization for optical RIS aided NOMA in indoor multiuser visible light communication IoT systems [PDF]
Scientific ReportsThis work explores solutions for addressing challenges in visible light communication (VLC) within 5G networks, particularly for indoor environments and green Internet of Things (IoT) applications, while considering the evolving demands of 6G networks ...
Mohamed El Jbari +3 more
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