Cooperative OFDM-IM relay networks with partial relay selection under imperfect CSI

J Crawford, Y Ko - IEEE Transactions on Vehicular Technology, 2018 - ieeexplore.ieee.org
In this paper, we investigate the performance of cooperative orthogonal frequency division
multiplexing with index modulation (OFDM-IM) with the low complexity greedy detection …

Repeated index modulation-OFDM with coordinate interleaving: Performance optimization and low-complexity detectors

TTH Le, XN Tran, VD Ngo, MT Le - IEEE Systems Journal, 2020 - ieeexplore.ieee.org
This article investigates performance of an advanced scheme of index modulation for
orthogonal frequency division multiplexing (IM-OFDM), called the repeated index …

Enhancing diversity of OFDM with joint spread spectrum and subcarrier index modulations

VD Ngo, T Van Luong, NC Luong, MX Trang, MT Le… - Wireless …, 2022 - Springer
This paper proposes a novel spread spectrum and sub-carrier index modulation (SS-SIM)
scheme, which is integrated to orthogonal frequency division multiplexing (OFDM) …

Generalized BER of MCIK-OFDM with imperfect CSI: selection combining GD versus ML receivers

VD Ngo, T Van Luong, NC Luong, MT Le, TTH Le… - Wireless …, 2023 - Springer
This paper analyzes the bit error rate (BER) of multicarrier index keying—orthogonal
frequency division multiplexing (MCIK-OFDM) with selection combining (SC) diversity …

Deep neural network-based detector for single-carrier index modulation NOMA

T Gian, VD Ngo, TH Nguyen, TT Nguyen… - 2022 Asia-Pacific …, 2022 - ieeexplore.ieee.org
In this paper, a deep neural network (DNN)-based detector for an uplink single-carrier index
modulation non-orthogonal multiple access (SC-IM-NOMA) system is proposed, where SC …

Deep learning-based signal detection for dual-mode index modulation 3D-OFDM

DY Hoang, TH Nguyen, VD Ngo… - 2022 Asia-Pacific …, 2022 - ieeexplore.ieee.org
In this paper, we propose a deep learning-based signal detector called DuaIM-3DNet for
dual-mode index modulation-based three-dimensional (3D) orthogonal frequency division …

Transformer-Based Deep Learning Detector for Dual-Mode Index Modulation 3D-OFDM

T Gian, TH Nguyen, TT Nguyen… - 2023 Asia Pacific …, 2023 - ieeexplore.ieee.org
In this paper, we propose a deep learning-based signal detector called TransD3D-IM, which
employs the Transformer framework for signal detection in the Dual-mode index modulation …

Repeated index modulation with coordinate interleaved OFDM

HLT Thanh, VD Ngo, MT Le… - 2018 5th NAFOSTED …, 2018 - ieeexplore.ieee.org
In this work, a novel index modulation scheme for orthogonal frequency division multiplexing
(IM-OFDM), referred to as repeated index modulation with coordinate interleaved OFDM …

Performance analysis of repeated index modulation for OFDM with MRC and SC diversity under imperfect CSI

TTH Le, XN Tran - AEU-International Journal of Electronics and …, 2019 - Elsevier
In this paper, we conduct the investigation into the performance of repeated index
modulation-orthogonal frequency division multiplexing (RIM-OFDM) system with spatial …

Impact of Opportunistic Transmission on MCIK-OFDM: Diversity and Coding Gains

T Van Luong, Y Ko - Industrial Networks and Intelligent Systems: 14th EAI …, 2019 - Springer
This work proposes an opportunistic scheduling scheme for Multi-Carrier Index Keying-
Orthogonal Frequency Division Multiplexing (MCIK-OFDM), which is termed as OS-MCIK …