Reconfigurable Intelligent Surface-Aided Orthogonal Time Frequency Space and Its Deep Learning-Based Signal Detection
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3273297
Abstract: Orthogonal time frequency space (OTFS) has emerged as a promising modulation for next-generation wireless systems. This two-dimensional (2D) modulation has the inherent capability of providing uninterrupted connectivity and improved performance in a high-mobility doubly-selective channel… read more here.
Keywords: time frequency; intelligent surface; frequency space; orthogonal time ... See more keywords
Orthogonal Time Frequency Space Modulation—Part III: ISAC and Potential Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Communications Letters"
DOI: 10.1109/lcomm.2022.3209651
Abstract: The first two parts of this tutorial on orthogonal time frequency space (OTFS) modulation have discussed the fundamentals of delay-Doppler (DD) domain communications as well as some advanced technologies for transceiver design. In this letter,… read more here.
Keywords: time frequency; time; frequency space; potential applications ... See more keywords
Bayesian Neural Network Detector for an Orthogonal Time Frequency Space Modulation
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Wireless Communications Letters"
DOI: 10.1109/lwc.2022.3209076
Abstract: The orthogonal time frequency space (OTFS) modulation is proposed for beyond 5G wireless systems to deal with high mobility communications. The existing low complexity OTFS detectors’ performance is suboptimal in rich scattering environments where there… read more here.
Keywords: time frequency; frequency space; orthogonal time; detector ... See more keywords
AI-Based Time-, Frequency-, and Space-Domain Channel Extrapolation for 6G: Opportunities and Challenges
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Vehicular Technology Magazine"
DOI: 10.1109/mvt.2023.3234169
Abstract: The trend of using larger scale antenna arrays will continue toward 6G systems, where the number of antennas will be further scaled up to improve spectral efficiency. However, the increase in the number of antennas… read more here.
Keywords: time frequency; frequency space; domain channel; extrapolation ... See more keywords
Orthogonal Time Frequency Space and Predictive Beamforming-Enabled URLLC in Vehicular Networks
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Wireless Communications"
DOI: 10.1109/mwc.005.2200408
Abstract: To fulfill the requirements of future intelligent transportation system in 6G era, ultra-reliable and low-latency vehicular communications is of great importance. In high-mobility scenarios, the conventional orthogonal frequency division multiplexing (OFDM) modulation may fail to… read more here.
Keywords: time frequency; frequency space; predictive beamforming; frequency ... See more keywords
Frequency–Space-Dependent Smoothing Regularized Nonstationary Predictive Filtering
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2021.3064945
Abstract: Predictive filtering is one of the most widely used denoising algorithms in the seismic data processing community because of its high efficiency and stability in different situations. The traditional predictive filtering, however, is not able… read more here.
Keywords: nonstationary predictive; frequency space; predictive filtering;
Regionally Tunable Microwave Heating Technology Using Time-Frequency-Space Domain Synthesis Modulation Method
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2020.3026295
Abstract: In this article, we present a new microwave system with the tunable ability of the heating region and heating effect. The heating region is changed by choosing different antennas above different heating region, which leads… read more here.
Keywords: modulation; frequency; space domain; domain ... See more keywords
A Simple Variational Bayes Detector for Orthogonal Time Frequency Space (OTFS) Modulation
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2020.2991443
Abstract: The emerging orthogonal time frequency space (OTFS) modulation technique has shown its superiority to the current orthogonal frequency division multiplexing (OFDM) scheme, in terms of its capabilities of exploiting full time-frequency diversity and coping with… read more here.
Keywords: space otfs; frequency; orthogonal time; time frequency ... See more keywords
Widely linear denoising of multicomponent seismic data
Sign Up to like & getrecommendations! Published in 2019 at "Geophysical Prospecting"
DOI: 10.1111/1365-2478.12850
Abstract: ABSTRACT Seismic data processing is a challenging task, especially when dealing with vector‐valued datasets. These data are characterized by correlated components, where different levels of uncorrelated random noise corrupt each one of the components. Mitigating… read more here.
Keywords: widely linear; space deconvolution; frequency space; seismic data ... See more keywords
A Structured Sparse Bayesian Channel Estimation Approach for Orthogonal Time—Frequency Space Modulation
Sign Up to like & getrecommendations! Published in 2023 at "Entropy"
DOI: 10.3390/e25050761
Abstract: 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. In OTFS modulation-based ISAC systems, accurate… read more here.
Keywords: time frequency; frequency space; frequency; orthogonal time ... See more keywords