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 …

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 …

Iterative channel estimation and data detection of otsm with superimposed pilot scheme and papr analysis

SG Neelam, PR Sahu - IEEE Communications Letters, 2023 - ieeexplore.ieee.org
Orthogonal time sequency multiplexing (OTSM), a novel modulation scheme proposed
recently performs superior to orthogonal frequency division multiplexing (OFDM) under …

A comprehensive experimental emulation for OTFS waveform RF-Impairments

A Abushattal, SE Zegrar, A Yazgan, H Arslan - Sensors, 2022 - mdpi.com
The orthogonal time-frequency space (OTFS) waveform exceeds the challenges that face
orthogonal frequency division multiplexing (OFDM) in a high-mobility environment with high …

Spatially Correlated SU MIMO-OTSM: Performance Analysis

SG Neelam - IEEE Communications Letters, 2024 - ieeexplore.ieee.org
This study presents a groundbreaking detection strategy for MIMO systems using Orthogonal
Time Sequency Multiplexing (OTSM) modulation, tailored to perform optimally even under …

Joint Estimation and Compensation of CFO, IQ Imbalance and Channel Parameters for Zero Padded OTSM Systems

SG Neelam, PR Sahu - IEEE Wireless Communications Letters, 2023 - ieeexplore.ieee.org
The Orthogonal Time Sequency Multiplexing (OTSM) waveform demonstrates superior
performance compared to the Orthogonal Frequency Division Multiplexing (OFDM) …

Performance Analysis of OTSM under Hardware Impairments and Imperfect CSI

A Doosti-Aref, C Masouros, X Zhu… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Orthogonal time sequency multiplexing (OTSM) has been recently proposed as a single-
carrier waveform offering similar bit error rate to orthogonal time frequency space (OTFS) …

Joint compensation of TX/RX IQ imbalance and channel parameters for OTFS systems under timing offset

SG Neelam, PR Sahu - 2023 National Conference on …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) is resistant to doubly-selective fading channels.
Hardware imperfections in direct conversion OTFS systems include in-phase and …

Performance Analysis of OTSM under Hardware Impairments in Millimeter-Wave Vehicular Communication Networks

A Doosti-Aref, SG Neelam, PR Sahu, X Zhu… - arXiv preprint arXiv …, 2023 - arxiv.org
Orthogonal time sequency multiplexing (OTSM) has been recently proposed as a single-
carrier (SC) waveform offering similar bit error rate (BER) to multi-carrier orthogonal time …

Low Complexity Detection of IRS Aided MIMO-OTSM Under Perfect Phase Optimization

S Nalluru, SG Neelam - IEEE Communications Letters, 2024 - ieeexplore.ieee.org
This study introduces an innovative detection strategy for perfectly phase optimized
Intelligent Reflecting Surface (IRS)-aided Multiple-Input Multiple-Output (MIMO) systems …