New delay Doppler communication paradigm in 6G era: A survey of orthogonal time frequency space (OTFS)

W Yuan, S Li, Z Wei, Y Cui, J Jiang… - China …, 2023 - ieeexplore.ieee.org
In the 6G era, Space-Air-Ground Integrated Network (SAGIN) are anticipated to deliver
global coverage, necessitating support for a diverse array of emerging applications in high …

Resource Allocation Design for Next-Generation Multiple Access: A Tutorial Overview

Z Wei, D Xu, S Li, S Song, DWK Ng… - Proceedings of the …, 2024 - ieeexplore.ieee.org
Multiple access is the cornerstone technology for each generation of wireless cellular
networks, which fundamentally determines the method of radio resource sharing and …

Affine frequency division multiplexing for next generation wireless communications

A Bemani, N Ksairi, M Kountouris - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Affine Frequency Division Multiplexing (AFDM), a new chirp-based multicarrier waveform for
high mobility communications, is introduced here. AFDM is based on discrete affine Fourier …

Simulations using LEO-PNT systems: A brief survey

FS Prol, S Kaasalainen, ES Lohan… - 2023 IEEE/ION …, 2023 - ieeexplore.ieee.org
As the whole space segment of satellites in low Earth orbits (LEO) grows, simulations of
positioning, navigation, and timing (PNT) through LEO satellites are needed to understand …

Delay-Doppler domain Tomlinson-Harashima precoding for OTFS-based downlink MU-MIMO transmissions: Linear complexity implementation and scaling law …

S Li, J Yuan, P Fitzpatrick, T Sakurai… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation is a recently proposed delay-Doppler
(DD) domain communication scheme, which has shown promising performance in general …

[HTML][HTML] Machine learning RNNs, SVM and NN Algorithm for Massive-MIMO-OTFS 6G Waveform with Rician and Rayleigh channel

A Kumar, N Gaur, A Nanthaamornphong - Egyptian Informatics Journal, 2024 - Elsevier
Abstract Multiple Input and Output-Orthogonal Time–Frequency Selective (MIMO-OTFS) is
considered one of the leading candidates for the beyond fifth generation (B5G) radio …

Barycenter Calibration with High Order Spectra of Windowed Delay-Doppler Signals for OTFS based ISAC Systems

Y Yang, Y Pan, X Liu, M Peng - IEEE Transactions on Signal …, 2024 - ieeexplore.ieee.org
Integrated sensing and communication (ISAC) technology stands as a pivotal enabler for the
sixth-generation mobile communication systems (6G) to enable high data rate …

Approximate Message Passing-Enhanced Graph Neural Network for OTFS Data Detection

W Zhuang, Y Mao, H He, L Xie, S Song… - IEEE Wireless …, 2024 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation has emerged as a promising solution
to support high-mobility wireless communications, for which, cost-effective data detectors are …

ISAC design using OTFS waveforms

S Li, W Yuan, J Yuan, G Caire - Integrated Sensing and Communications, 2023 - Springer
In this chapter, we will focus on the ISAC design by using orthogonal time frequency space
(OTFS) waveforms. OTFS is a recently proposed two-dimensional modulation scheme …

LSTM-Based Time-Frequency Domain Channel Estimation for OTFS Modulation

AF dos Reis, BS Chang, Y Medjahdi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Orthogonal Time Frequency Space (OTFS) is a promising modulation scheme that works in
the delay-Doppler (DD) domain, offering resistance to frequency selective fading and time …