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In the fifth-generation mobile communications system (5G), it is critical to ensure wireless security as well as large-capacity and high-speed communication. To achieve this, a chaos modulation method as an encrypted and channel-coded modulation method in the physical layer is proposed. However, in the conventional chaos modulation method, the decoding complexity increases exponentially with respect to the modulation order. To solve this problem, in this study, a hybrid modulation method that applies quadrature amplitude modulation (QAM) and chaos to reduce the amount of decoding complexity, in which some transmission bits are allocated to QAM while maintaining the encryption for all bits is proposed. In the proposed method, a low-complexity decoding method is constructed by ordering chaos and QAM symbols based on the theory of index modulation. Numerical results show that the proposed method maintains good error-rate performance with reduced decoding complexity and ensures wireless security.
Tomoki KAGA
Nagoya Institute of Technology
Mamoru OKUMURA
Nagoya Institute of Technology
Eiji OKAMOTO
Nagoya Institute of Technology
Tetsuya YAMAMOTO
Panasonic Holdings Corporation
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Tomoki KAGA, Mamoru OKUMURA, Eiji OKAMOTO, Tetsuya YAMAMOTO, "Multi-Level Encrypted Transmission Scheme Using Hybrid Chaos and Linear Modulation" in IEICE TRANSACTIONS on Communications,
vol. E105-B, no. 5, pp. 638-647, May 2022, doi: 10.1587/transcom.2021EBP3092.
Abstract: In the fifth-generation mobile communications system (5G), it is critical to ensure wireless security as well as large-capacity and high-speed communication. To achieve this, a chaos modulation method as an encrypted and channel-coded modulation method in the physical layer is proposed. However, in the conventional chaos modulation method, the decoding complexity increases exponentially with respect to the modulation order. To solve this problem, in this study, a hybrid modulation method that applies quadrature amplitude modulation (QAM) and chaos to reduce the amount of decoding complexity, in which some transmission bits are allocated to QAM while maintaining the encryption for all bits is proposed. In the proposed method, a low-complexity decoding method is constructed by ordering chaos and QAM symbols based on the theory of index modulation. Numerical results show that the proposed method maintains good error-rate performance with reduced decoding complexity and ensures wireless security.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2021EBP3092/_p
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@ARTICLE{e105-b_5_638,
author={Tomoki KAGA, Mamoru OKUMURA, Eiji OKAMOTO, Tetsuya YAMAMOTO, },
journal={IEICE TRANSACTIONS on Communications},
title={Multi-Level Encrypted Transmission Scheme Using Hybrid Chaos and Linear Modulation},
year={2022},
volume={E105-B},
number={5},
pages={638-647},
abstract={In the fifth-generation mobile communications system (5G), it is critical to ensure wireless security as well as large-capacity and high-speed communication. To achieve this, a chaos modulation method as an encrypted and channel-coded modulation method in the physical layer is proposed. However, in the conventional chaos modulation method, the decoding complexity increases exponentially with respect to the modulation order. To solve this problem, in this study, a hybrid modulation method that applies quadrature amplitude modulation (QAM) and chaos to reduce the amount of decoding complexity, in which some transmission bits are allocated to QAM while maintaining the encryption for all bits is proposed. In the proposed method, a low-complexity decoding method is constructed by ordering chaos and QAM symbols based on the theory of index modulation. Numerical results show that the proposed method maintains good error-rate performance with reduced decoding complexity and ensures wireless security.},
keywords={},
doi={10.1587/transcom.2021EBP3092},
ISSN={1745-1345},
month={May},}
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TY - JOUR
TI - Multi-Level Encrypted Transmission Scheme Using Hybrid Chaos and Linear Modulation
T2 - IEICE TRANSACTIONS on Communications
SP - 638
EP - 647
AU - Tomoki KAGA
AU - Mamoru OKUMURA
AU - Eiji OKAMOTO
AU - Tetsuya YAMAMOTO
PY - 2022
DO - 10.1587/transcom.2021EBP3092
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E105-B
IS - 5
JA - IEICE TRANSACTIONS on Communications
Y1 - May 2022
AB - In the fifth-generation mobile communications system (5G), it is critical to ensure wireless security as well as large-capacity and high-speed communication. To achieve this, a chaos modulation method as an encrypted and channel-coded modulation method in the physical layer is proposed. However, in the conventional chaos modulation method, the decoding complexity increases exponentially with respect to the modulation order. To solve this problem, in this study, a hybrid modulation method that applies quadrature amplitude modulation (QAM) and chaos to reduce the amount of decoding complexity, in which some transmission bits are allocated to QAM while maintaining the encryption for all bits is proposed. In the proposed method, a low-complexity decoding method is constructed by ordering chaos and QAM symbols based on the theory of index modulation. Numerical results show that the proposed method maintains good error-rate performance with reduced decoding complexity and ensures wireless security.
ER -