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16 June 2023 Design of encrypted OFDM system based on DFT-s-OFDM in FPGA
Chuanwen Zhang, Yuefeng Shen, Jie Zhang, Lvda Wang, Huibin Zhang
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Proceedings Volume 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023); 127020F (2023) https://doi.org/10.1117/12.2679605
Event: International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 2023, Changsha, China
Abstract
When designing Orthogonal Frequency Division Multiplex(OFDM) system, high PAPR has become an important factor to be considered due to the superposition of signals on different subcarriers. This paper presents a FPGA scheme of DFTs- OFDM based IM-DDO-OFDM system including the transmitter and the receiver part which can effectively restrain PAPR of signals. Specific encryption sequences and high-order modulation are also introduced in order to promote the system security. The simulation and test results proves that PAPR of transmission signals are effectively reduced compared to the traditional OFDM system.
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Chuanwen Zhang, Yuefeng Shen, Jie Zhang, Lvda Wang, and Huibin Zhang "Design of encrypted OFDM system based on DFT-s-OFDM in FPGA", Proc. SPIE 12702, International Conference on Intelligent Systems, Communications, and Computer Networks (ISCCN 2023), 127020F (16 June 2023); https://doi.org/10.1117/12.2679605
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KEYWORDS
Orthogonal frequency division multiplexing
Modulation
Receivers
Field programmable gate arrays
Transmitters
Design and modelling
Data transmission
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