OTFS-IM Modulation Based on Four-Dimensional Spherical Code in Air-to-Ground Communication

P Gu, L Guo, S Jin, G Liu, J Zou - Drones, 2023 - mdpi.com
Unmanned aerial vehicles (UAVs) have been widely utilized for their various advantages.
However, UAVs exhibit high mobility and energy storage restrictions in some applications …

Index modulation based on Four-dimensional spherical code

J Qu, J Zou, J Sun, M Li, C Xu - 2020 IEEE 3rd International …, 2020 - ieeexplore.ieee.org
In this paper, we propose an orthogonal frequency division multiplexing with index
modulation (OFDM-IM) based on high-dimensional spherical codes. Unlike the traditional …

Spatial multiplexing aided OTFS with index modulation

S Li, L Xiao, X Zhang, L Li… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In this paper, spatial multiplexing aided orthogonal time-frequency space with index
modulation (OTFS-IM) is conceived, which combines the benefits of both OTFS-IM and …

OFDM with index modulation for UAV communication systems

Q Wang, W Yang, S Xu, X Pei - 2019 IEEE 5th International …, 2019 - ieeexplore.ieee.org
In this paper, we investigate the transmission issue of Unmanned Aerial Vehicle (UAV)
communication systems using OFDM with index modulation, which is called OFDM-IM and …

Design and performance analysis of spatial-index modulation based orthogonal time frequency space system

Y Yang, Z Bai, H Liu, K Pang, X Hao… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
In order to enhance the effectiveness and the reliability of high mobility communication, we
propose a spatial-index modulation (SIM) based orthogonal time frequency space (OTFS) …

OTFS waveform based on 3-D signal constellation for time-variant channels

Y Chen, L Zhao, Y Jiang, W Li, H Gao… - IEEE Communications …, 2023 - ieeexplore.ieee.org
Orthogonal time frequency space (OTFS) is a new waveform modulated in the delay-
Doppler domain that can achieve better communication performance than the conventional …

Generalised Space-Delay-Doppler Index Modulated OTFS Transmission

D Feng, B Bai, F Wan - 2023 IEEE Wireless Communications …, 2023 - ieeexplore.ieee.org
Recently, index modulated orthogonal time frequency space modulation with multi-input and
multi-output (MIMO-OTFS) has been introduced to achieve better bit error rate (BER) …

Space-frequency index modulation for combating ICI in intelligent mobility communications

R Cao, X Lei, Y Xiao, Y Li, W Xiang - IEEE Access, 2020 - ieeexplore.ieee.org
Advanced wireless communications to support high vehicular speeds in the scenario of
intelligent mobility have attracted considerable research attentions in both academia and …

In-phase and quadrature index modulation aided OTFS transmission

D Feng, J Zheng, B Bai, J Jiang… - IEEE Communications …, 2022 - ieeexplore.ieee.org
Recently, orthogonal time frequency space modulation with index modulation (OTFS-IM) has
been proposed, which can achieve better bit error rate (BER) performance than …

Index Modulation Based on Four-Dimensional Spherical Code and Its DNN-Based Receiver Design

J Zou, J Qu, Y Guo, G Liu, F Shu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A novel index modulation with spherical code and its constellation mapping are proposed.
We derive the closed form of the approximation bound of the bit error rate (BER) of the …