Offset Space-Frequency Index Modulation

In this paper, a novel offset-based space-frequency index modulation (OSFIM) design is developed, for the sake of improving the bit error ratio (BER) performance. The proposed OSFIM scheme utilizes the channel state information (CSI) to precode the transmit signals so as to activate the optimal spac...

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Main Authors: Tingmin Jiang, Lilin Dan, Shu Fang, Yue Xiao, Chen Zheng
Format: Article
Language:English
Published: IEEE 2020-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9028174/
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author Tingmin Jiang
Lilin Dan
Shu Fang
Yue Xiao
Chen Zheng
author_facet Tingmin Jiang
Lilin Dan
Shu Fang
Yue Xiao
Chen Zheng
author_sort Tingmin Jiang
collection DOAJ
description In this paper, a novel offset-based space-frequency index modulation (OSFIM) design is developed, for the sake of improving the bit error ratio (BER) performance. The proposed OSFIM scheme utilizes the channel state information (CSI) to precode the transmit signals so as to activate the optimal space-frequency resource units for offset-aided index mapping. Furthermore, aiming at enlarging the minimum Euclidean distance of the received signal, we further propose a modified scheme termed as enhanced OSFIM (E-OSFIM). Through theoretical analysis, the analytical BER upper bound for E-OSFIM is also quantified. Finally, simulation results show that, compared with conventional SFIM and offset SM-OFDM (OSM-OFDM), the proposed schemes can significantly improve the BER performance when the freedom of spatial degrees is large, while the proposed E-OSFIM scheme outperform its counterparts in terms of the BER performance.
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spelling doaj.art-50d365cdb3f544c19f622db04d6cd3982022-12-21T22:22:41ZengIEEEIEEE Access2169-35362020-01-018570965710410.1109/ACCESS.2020.29795369028174Offset Space-Frequency Index ModulationTingmin Jiang0https://orcid.org/0000-0002-0166-5309Lilin Dan1https://orcid.org/0000-0002-7009-0633Shu Fang2https://orcid.org/0000-0002-4877-6065Yue Xiao3https://orcid.org/0000-0002-2127-8947Chen Zheng4https://orcid.org/0000-0001-5642-0942National Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, ChinaNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, ChinaNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, ChinaNational Key Laboratory of Science and Technology on Communications, University of Electronic Science and Technology of China, Chengdu, ChinaScience and Technology on Space Physics Laboratory, Beijing Institute of Aerospace Systems Engineering, Beijing, ChinaIn this paper, a novel offset-based space-frequency index modulation (OSFIM) design is developed, for the sake of improving the bit error ratio (BER) performance. The proposed OSFIM scheme utilizes the channel state information (CSI) to precode the transmit signals so as to activate the optimal space-frequency resource units for offset-aided index mapping. Furthermore, aiming at enlarging the minimum Euclidean distance of the received signal, we further propose a modified scheme termed as enhanced OSFIM (E-OSFIM). Through theoretical analysis, the analytical BER upper bound for E-OSFIM is also quantified. Finally, simulation results show that, compared with conventional SFIM and offset SM-OFDM (OSM-OFDM), the proposed schemes can significantly improve the BER performance when the freedom of spatial degrees is large, while the proposed E-OSFIM scheme outperform its counterparts in terms of the BER performance.https://ieeexplore.ieee.org/document/9028174/Space-frequency index modulationOFDMprecodingantenna selection
spellingShingle Tingmin Jiang
Lilin Dan
Shu Fang
Yue Xiao
Chen Zheng
Offset Space-Frequency Index Modulation
IEEE Access
Space-frequency index modulation
OFDM
precoding
antenna selection
title Offset Space-Frequency Index Modulation
title_full Offset Space-Frequency Index Modulation
title_fullStr Offset Space-Frequency Index Modulation
title_full_unstemmed Offset Space-Frequency Index Modulation
title_short Offset Space-Frequency Index Modulation
title_sort offset space frequency index modulation
topic Space-frequency index modulation
OFDM
precoding
antenna selection
url https://ieeexplore.ieee.org/document/9028174/
work_keys_str_mv AT tingminjiang offsetspacefrequencyindexmodulation
AT lilindan offsetspacefrequencyindexmodulation
AT shufang offsetspacefrequencyindexmodulation
AT yuexiao offsetspacefrequencyindexmodulation
AT chenzheng offsetspacefrequencyindexmodulation