A review on orthogonal time–frequency space modulation: State-of-art, hotspots and challenges

M Li, W Liu, J Lei - Computer Networks, 2023 - Elsevier
High-speed mobility communication is one of the challenging scenarios because of the
rapidly changing channel involved. In light of this, the orthogonal time–frequency space …

[PDF][PDF] Signal detection and channel estimation in OTFS

A Naikoti, A Chockalingam - ZTE Communications, 2021 - zte.com.cn
Orthogonal time frequency space (OTFS) modulation is a recently proposed modulation
scheme that exhibits robust performance in high-Doppler environments. It is a two …

Transmit diversity scheme design for rectangular pulse shaping based OTFS

D Wang, B Sun, F Wang, X Li, P Yuan… - China …, 2022 - ieeexplore.ieee.org
This paper investigates the transmission scheme of the orthogonal time frequency space
(OTFS) system with multiple antennas. Previous works have studied the multi-antenna …

Cyclic delay-doppler shift: A simple transmit diversity technique for delay-doppler waveforms in doubly selective channels

H Yin, J Xiong, Y Zhou, C Zhang… - … , Speech, and Signal …, 2023 - ieeexplore.ieee.org
Delay-Doppler waveform design has been considered as a promising solution to achieve
reliable communication under high-mobility channels for the space-air-ground-integrated …

An Experimental Multi-Band Channel Characterization in the Upper Mid-Band

R Bomfin, A Bazzi, H Guo, H Lee, M Mezzavilla… - arXiv preprint arXiv …, 2024 - arxiv.org
The following paper provides a multi-band channel measurement analysis on the frequency
range (FR) 3. This study focuses on the FR3 low frequencies 6.5 GHz and 8.75 GHz with a …

Advanced linear and deep learning based channel estimation techniques in doubly dispersive environments

AK Gizzini - 2021 - hal.science
Wireless communications revolution plays a significant role in facilitating several mobile
applications like unmanned aerial vehicles, high-speed railway, and vehicular …

Research on MIMO-OFDM deep receiver in mine environment

X Li, Z Feng, A Wang - 2021 International Conference on …, 2021 - ieeexplore.ieee.org
With the advance of intelligent and digital society, the coal mine industry is also transitioning
to intelligent. For the complex mine communication environment, communication signal …

[PDF][PDF] Orthogonal time frequency space modulation in multiple-antenna systems

D WANG, F WANG, X LI, P YUAN, D JIANG - ZTE Communications, 2021 - zte.com.cn
The application of the orthogonal time frequency space (OTFS) modulation in multiple-
antenna systems is investigated. The diversity and/or the multiplexing gain can be achieved …

[PDF][PDF] Learning to Decompose Asymmetric Channel Kernels for Generalized Eigenwave Multiplexing

Z Zou, I Amarasekara, A Dutta - IEEE Conference on Computer …, 2024 - zhibinzou.com
Learning the principal eigenfunctions of a kernel is at the core of many machine-learning
problems. Common methods usually deal with symmetric kernels based on Mercer's …

Review of Orthogonal Time Frequency Space Multiplexing (Otfs)-A Promising Replacement of OFDM for Future 6g Applications

AA Bhat, L Kansal - Kilby, 2023 - papers.ssrn.com
OTFS modulation is a new communication method that has acquired substantial attention
due to its superior performance in challenging wireless environments. Unlike traditional …