An overview of OTFS for Internet of Things: Concepts, benefits, and challenges

L Xiao, S Li, Y Qian, D Chen… - IEEE Internet of Things …, 2021 - ieeexplore.ieee.org
The Internet of Things (IoT) is envisioned to connect everything, spanning from terrestrial to
nonterrestrial terminals, where reliable communication is expected to be allowed in both …

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 …

Analysis, estimation and compensation of hardware impairments for CP-OTFS systems

SG Neelam, PR Sahu - IEEE wireless communications letters, 2022 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) waveform, which is robust to doubly-selective
fading channels is a strong contender for the Fifth generation (5G) communications. At high …

Orthogonal time frequency space multiple access using index modulation

S Doğan-Tusha, A Tusha, S Althunibat… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) is a recent two-dimensional modulation technique
utilizing delay-Doppler domain and nominated as a promising candidate waveform for …

DL-based OTFS signal detection in presence of hardware impairments

A Singh, S Sharma, K Deka… - IEEE Wireless …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) modulation is an emerging technique for next-
generation communication due to its robustness to the doubly dispersive channels under …

Digital compensation of IQ imbalance, DC offset for zero-padded OTFS systems

SG Neelam, PR Sahu - IEEE Communications Letters, 2022 - ieeexplore.ieee.org
Next generation communication systems (eg, 6G) foresee higher mobility, higher data rates
with higher constellations and with high levels of integration in a small form factor. Direct …

Performance analysis of OTFS under in-phase and quadrature imbalance at transmitter

A Tusha, S Doğan-Tusha, F Yilmaz… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
The influence of in-phase and quadrature (IQ) imbalance on the performance of orthogonal
time frequency space (OTFS) transmission is investigated in this work. OTFS is a recent two …

Joint compensation of TX/RX IQ imbalance and channel parameters for OTSM systems

SG Neelam, PR Sahu - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
Orthogonal time sequency multiplexing (OTSM), robust to doubly-selective fading channel,
performs similar to orthogonal time frequency space (OTFS) system with less modulation …

A DNN-based OTFS transceiver with delay-Doppler channel training and IQI compensation

A Naikoti, A Chockalingam - 2021 IEEE 32nd Annual …, 2021 - ieeexplore.ieee.org
In this paper, we present a deep neural network (DNN) based transceiver architecture for
delay-Doppler (DD) channel training and detection of orthogonal time frequency space …

Persistent homology approach for human presence detection from 60 GHz OTFS transmissions

R Maršálek, R Zedka, E Zöchmann, J Vychodil… - Sensors, 2023 - mdpi.com
Orthogonal Time Frequency Space (OTFS) is a new, promising modulation waveform
candidate for the next-generation integrated sensing and communication (ISaC) systems …