Design of Indoor Visible Light Communication PAM4 System
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| Pubblicato in: | Applied Sciences vol. 14, no. 4 (2024), p. 1663 |
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| Autore principale: | |
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MDPI AG
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| Accesso online: | Citation/Abstract Full Text + Graphics Full Text - PDF |
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| 024 | 7 | |a 10.3390/app14041663 |2 doi | |
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| 045 | 2 | |b d20240101 |b d20241231 | |
| 084 | |a 231338 |2 nlm | ||
| 100 | 1 | |a Liang, Jingyuan |u Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China; <email>ljy@xaut.edu.cn</email> (J.L.); <email>2210321162@stu.xaut.edu.cn</email> (S.L.) | |
| 245 | 1 | |a Design of Indoor Visible Light Communication PAM4 System | |
| 260 | |b MDPI AG |c 2024 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a Four-level pulse amplitude modulation (PAM4) can transmit more information in the same symbol interval, effectively improving the information transmission rate and frequency band utilization of visible light communication (VLC). This paper proposes a method for encoding and decoding the PAM4 signal based on FPGA. The PAM4 signal is studied and analyzed under different channel noise models. The research results show that the bit error rate (BER) performance of the PAM4 signal is the best under the additive noise model. The influence of the multiplicative noise on the BER of the PAM4 signal is much greater than that of the additive noise. The BER performance of the PAM4 signal depends on the variance of the noise data. The greater the variance, the worse the BER performance. At the same time, an indoor VLC system based on PAM4 is designed. The simulation results verify that the system scheme is feasible and provides a way to further realize high-speed signal transmission. | |
| 653 | |a Design | ||
| 653 | |a Energy | ||
| 653 | |a Codes | ||
| 653 | |a Random variables | ||
| 653 | |a Communications systems | ||
| 653 | |a Light | ||
| 653 | |a Bandwidths | ||
| 653 | |a Data transmission | ||
| 653 | |a High speed | ||
| 653 | |a Field programmable gate arrays | ||
| 653 | |a Efficiency | ||
| 700 | 1 | |a Lin, Shuiqing |u Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China; <email>ljy@xaut.edu.cn</email> (J.L.); <email>2210321162@stu.xaut.edu.cn</email> (S.L.) | |
| 700 | 1 | |a Xizheng Ke |u Faculty of Automation and Information Engineering, Xi’an University of Technology, Xi’an 710048, China; <email>ljy@xaut.edu.cn</email> (J.L.); <email>2210321162@stu.xaut.edu.cn</email> (S.L.); Shaanxi Civil-Military Integration Key Laboratory of Intelligence Collaborative Networks, Xi’an 710126, China; College of Physics and Electronics, Shaanxi University of Technology, Hanzhong 723001, China | |
| 773 | 0 | |t Applied Sciences |g vol. 14, no. 4 (2024), p. 1663 | |
| 786 | 0 | |d ProQuest |t Publicly Available Content Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/2930933704/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text + Graphics |u https://www.proquest.com/docview/2930933704/fulltextwithgraphics/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/2930933704/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |