2022
DOI: 10.1109/lwc.2021.3113770
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A Hybrid Multi-Domain Index Modulation for Covert Communication

Abstract: In this letter, a hybrid multi-domain index modulation scheme based on spreading codes domain and beam domain is proposed. In our design, the information bit stream is divided into two parts: one for covert transmission using the index of spreading code and the other using the directional modulation to improve bit error ratio (BER) performance in the desired direction and to prevent eavesdropping. Then, based on joint boundaries and statistical theory, the average error probabilities of legitimate users and ea… Show more

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Cited by 5 publications
(1 citation statement)
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“…In [30], a frequency index modulation (FIM) has been designed, it uses frequency instead of transmit antenna to realize the index modulation and hence enables hardware-friendly implementation. Based on the above research advancements, the IM technology has received extensive attention in 5G wireless communication [31], visible light communication (VLC) [32], orthogonal frequencydivision multiplexing (OFDM) system [33], molecular communication [34], optical wireless communication [35], covert communication [36], and Internet of things (IoT) [37].…”
mentioning
confidence: 99%
“…In [30], a frequency index modulation (FIM) has been designed, it uses frequency instead of transmit antenna to realize the index modulation and hence enables hardware-friendly implementation. Based on the above research advancements, the IM technology has received extensive attention in 5G wireless communication [31], visible light communication (VLC) [32], orthogonal frequencydivision multiplexing (OFDM) system [33], molecular communication [34], optical wireless communication [35], covert communication [36], and Internet of things (IoT) [37].…”
mentioning
confidence: 99%