Resonant Beam Communications with Echo Interference Elimination

Mingliang Xiong; Qingwen Liu; Gang Wang; Georgios B. Giannakis; Sihai Zhang; Jinkang Zhu; Chuan Huang

doi:10.1109/JIOT.2020.3020908

Resonant Beam Communications with Echo Interference Elimination

Mingliang Xiong, Qingwen Liu, Gang Wang, Georgios B. Giannakis, Sihai Zhang, Jinkang Zhu, Chuan Huang

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Resonant beam communications (RBCom) is capable of providing wide bandwidth when using light as the carrier. Besides, the RBCom system possesses the characteristics of mobility, high signal-to-noise ratio (SNR), and multiplexing. Nevertheless, the channel of the RBCom system is distinct from other light communication technologies due to the echo interference issue. In this article, we reveal the mechanism of the echo interference and propose the method to eliminate the interference. Moreover, we present an exemplary design based on frequency shifting and optical filtering, along with its mathematic model and performance analysis. The numerical evaluation shows that the channel capacity is greater than 15 b/s/Hz.

Original language	English (US)
Article number	9184070
Pages (from-to)	2875-2885
Number of pages	11
Journal	IEEE Internet of Things Journal
Volume	8
Issue number	4
DOIs	https://doi.org/10.1109/JIOT.2020.3020908
State	Published - Feb 15 2021

Bibliographical note

Funding Information:
Manuscript received May 9, 2020; revised August 5, 2020; accepted August 28, 2020. Date of publication September 1, 2020; date of current version February 4, 2021. The work of Mingliang Xiong and Qingwen Liu was supported by the National Natural Science Foundation of China under Grant 61771344. The work of Gang Wang was supported by the National Natural Science Foundation of China under Grant 61720106011, Grant 61925303, and Grant U1613225. The work of Georgios B. Giannakis was supported by the National Science Foundation under Grant 1711471 and Grant 1901134. This article was presented in part at the 11th International Conference on Wireless Communications and Signal Processing (WCSP), Xi’an, China, October 23–25, 2019. (Corresponding author: Qingwen Liu.) Mingliang Xiong and Qingwen Liu are with the College of Electronics and Information Engineering, Tongji University, Shanghai 201804, China (e-mail: xiongml@tongji.edu.cn; qliu@tongji.edu.cn).

Publisher Copyright:
© 2014 IEEE.

Keywords

Frequency-shift filtering
Internet of Things
laser communications
optical mobile communications (OMC)
resonant beam system (RBS)

Publisher link

10.1109/JIOT.2020.3020908

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abstract = "Resonant beam communications (RBCom) is capable of providing wide bandwidth when using light as the carrier. Besides, the RBCom system possesses the characteristics of mobility, high signal-to-noise ratio (SNR), and multiplexing. Nevertheless, the channel of the RBCom system is distinct from other light communication technologies due to the echo interference issue. In this article, we reveal the mechanism of the echo interference and propose the method to eliminate the interference. Moreover, we present an exemplary design based on frequency shifting and optical filtering, along with its mathematic model and performance analysis. The numerical evaluation shows that the channel capacity is greater than 15 b/s/Hz.",

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note = "Funding Information: Manuscript received May 9, 2020; revised August 5, 2020; accepted August 28, 2020. Date of publication September 1, 2020; date of current version February 4, 2021. The work of Mingliang Xiong and Qingwen Liu was supported by the National Natural Science Foundation of China under Grant 61771344. The work of Gang Wang was supported by the National Natural Science Foundation of China under Grant 61720106011, Grant 61925303, and Grant U1613225. The work of Georgios B. Giannakis was supported by the National Science Foundation under Grant 1711471 and Grant 1901134. This article was presented in part at the 11th International Conference on Wireless Communications and Signal Processing (WCSP), Xi{\textquoteright}an, China, October 23–25, 2019. (Corresponding author: Qingwen Liu.) Mingliang Xiong and Qingwen Liu are with the College of Electronics and Information Engineering, Tongji University, Shanghai 201804, China (e-mail: xiongml@tongji.edu.cn; qliu@tongji.edu.cn). Publisher Copyright: {\textcopyright} 2014 IEEE.",

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Resonant Beam Communications with Echo Interference Elimination

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