Results 91 to 100 of about 708 (167)

Filtered Asymmetrically Clipped Optical-OFDM with Index Modulation for Optical Wireless Systems

, 2021
International audienceIn this letter, we present filtered asymmetrically clipped optical-orthogonal frequency-division multiplexing with index modulation (FACO-OFDM-IM) for optical wireless systems.
Ros, Laurent, Azim, Ali,, Azim, Ali, Waqar, Le Guennec, Yannis, Chafii, Marwa   +4 more
core   +1 more source

Dual-mode index modulation aided OFDM with generalized prefix

, 2019
Recently, a dual-mode OFDM relying on index modulation (DM-OFDM-IM) has been introduced to increase the data rate of the conventional IM based OFDM techniques.
Aldırmaz Çolak, Sultan, Cooklev, Todor, ACAR, YUSUF   +2 more
core  

Opportunistic Spectrum Sharing Based on OFDM With Index Modulation

, 2019
In this paper, a novel opportunistic spectrum sharing scheme, based on orthogonal frequency division multiplexing with index modulation (OFDM-IM), is proposed for cognitive radio (CR) networks.
Li, Qiang, Dang, Shuping, Chen, Fangjiong, Wen, Miaowen, Poor, H. Vincent, Basar, Ertugrul   +5 more
core   +1 more source

Secure Multiple-Mode OFDM With Index Modulation

, 2020
Multiple-mode orthogonal frequency division multiplexing with index modulation (MM-OFDM-IM) is a promising IM technique for OFDM systems to improve the spectral efficiency. In this paper, a secure index and data symbol modulation (DSM) scheme based on MM-
Miaowen Wen, Yuankun Tang, Tang, Yuankun, Mumtaz, Shahid, Guizani, Mohsen, Mohsen Guizani, Daniel Benevides da Costa, Shahid Mumtaz, Wen, Miaowen, Da Costa, Daniel Benevides   +9 more
core   +1 more source

Deep Recurrent Neural Network Based Detector for OFDM With Index Modulation

IEEE Access
Index modulation (IM) leads to a decrease in power consumption and transmitter complexity compared to classical orthogonal frequency division multiplexing (OFDM) systems.
Md Abdul Aziz, Md Habibur Rahman, Mohammad Abrar Shakil Sejan, Rana Tabassum, Duck-Dong Hwang, Hyoung-Kyu Song   +5 more
doaj   +1 more source

Linear Constellation Precoded OFDM With Interleaved Subcarrier Index Modulation

IEEE Access, 2019
Orthogonal frequency-division multiplexing with index modulation (OFDM-IM) is an emerging and promising multicarrier transmission technique; however, frequency diversity achievement requires further investigation for the OFDM-IM.
Qingbo Wang, Gaoqi Dou, Jun Gao, Ran Deng   +3 more
doaj   +1 more source

On the Performance of Cooperative OFDM-NOMA System with Index Modulation

, 2020
In this letter, we propose a novel three-node cooperative non-orthogonal multiple access (C-NOMA) system based on orthogonal frequency division multiplexing with index modulation (OFDM-IM), which is termed CIM-OFDM-NOMA.
Dang, Shuping, Chen, Xuan, Wen, Miaowen
core   +1 more source

Index modulated OFDM with ICI self-cancellation

, 2016
Orthogonal frequency division multiplexing (OFDM) is prone to frequency offset which gives rise to intercarrier interference (ICI). Recently, a novel OFDM transmission scheme called OFDM with index modulation (IMOFDM) is proposed, which outperforms ...
Miaowen Wen, Yuke Li, Xiang Cheng, Wen, Miaowen, Liu-Qing Yang, Cheng, Xiang, Li, Yuke, Yang, Liu-Qing   +7 more
core   +1 more source

Modulated Lapped Transform-Based OFDM-IM With Low Complex Deep Neural Network Detector

IEEE Open Journal of the Communications Society
This article presents a novel modulated lapped transform-based orthogonal frequency division multiplexing with index modulation (MLT-OFDM-IM) scheme combined with a low-complexity deep neural network (DNN) detector.
Ahmed Waheed, Smaya Moher
doaj   +1 more source

An Enhanced Channel Estimation Scheme in OFDM-IM Systems With Index Pilots for IEEE 802.11p Standard

IEEE Access
Orthogonal frequency division multiplexing with index modulation (OFDM-IM) is emerging as a robust technology, especially valued in vehicular communication scenarios for its resilience.
Qing-Shang Dong, Si-Yu Zhang, Behnam Shahrrava, Hui Zheng   +3 more
doaj   +1 more source