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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Channel Estimation for Orthogonal Time Frequency Space (OTFS) Massive MIMO [PDF]
IEEE Transactions on Signal Processing, 2019 Orthogonal time frequency space (OTFS) modulation outperforms orthogonal frequency division multiplexing (OFDM) in high-mobility scenarios. One challenge for OTFS massive MIMO is downlink channel estimation due to the large number of base station antennas.
Wenqian Shen +2 more
exaly +5 more sources
A Simple Variational Bayes Detector for Orthogonal Time Frequency Space (OTFS) Modulation [PDF]
IEEE Transactions on Vehicular Technology, 2020 Submitted to IEEE ...
Weijie Yuan +2 more
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The Orthogonal Time Frequency Space (OTFS) Technique In 6G Wireless Communications [PDF]
BIO Web of ConferencesThe orthogonal time-frequency space (OTFS) technique is a potential waveform modulation method that modulates data in the delaydoppler (DD) domain. OTFS differs from traditional multiplexing techniques by utilizing two-dimensional modulation to switch ...
Ramadhan Ali J., TaeiZadeh Ali
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Orthogonal Time Frequency Space (OTFS) Modulation Based Radar System [PDF]
2019 IEEE Radar Conference (RadarConf), 2019 Orthogonal time frequency space (OTFS) modulation was proposed to tackle the destructive Doppler effects in wireless communications, with potential applications to many other areas. In this paper, we investigate its application to radar systems, and propose a novel efficient OTFS-based matched filter algorithm for target range and velocity estimation ...
P Raviteja, Khoa T Phan, Yi Hong
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Orthogonal Time Frequency Space Modulation Based on the Discrete Zak Transform [PDF]
Entropy, 2022 In orthogonal time frequency space (OTFS) modulation, information-carrying symbols reside in the delay-Doppler (DD) domain. By operating in the DD domain, an appealing property for communication arises: time-frequency (TF) dispersive channels encountered
Franz Lampel +3 more
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China Communications, 2023 In the 6G era, space-air-Ground integrated networks (SAGIN) are anticipated to deliver global coverage, necessitating support for a diverse array of emerging applications in high-mobility, hostile environments. Under such conditions, conventional orthogonal frequency division multiplexing (OFDM) modulation, widely employed in cellular and Wi-Fi ...
Weijie Yuan +2 more
exaly +3 more sources
Research status of channel estimation and signal detection techniques for orthogonal time frequency space modulation [PDF]
Tongxin xuebaoOrthogonal time frequency space (OTFS) modulation is a multiplexing technique designed in the two-dimensional (2D) delay-Doppler domain suited for high Doppler fading channels. OTFS converts a doubly-selective channel into an almost non-fading channel in
WANG Yongchuan, ZHOU Ping, HUANG Ju
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OTFS Radar Waveform Design Based on Information Theory [PDF]
EntropyIn this work, we consider the waveform design for radar systems based on orthogonal time–frequency space (OTFS). The conditional mutual information (CMI), chosen as a promising metric for assessing the radar cognitive capability, serves as the criterion ...
Qilong Miao +3 more
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OTFS modulation exploration for robust 6G communications in high mobility scenarios [PDF]
EPJ Web of ConferencesOrthogonal Time-frequency-space (OTFS) modulation represents a pioneering advancement, tailored to the requirements of prospective sixth-generation (6G) wireless networks.
Mohammadi Abderrahim +5 more
doaj +3 more sources