Performance analysis of photonic RF self-interference cancellation for full-duplex communication

Xinxin Su; Shuanglin Fu; Shuo Wang; Xu Yang; Pengyi Wang; Chao Wang; Zhenlin Wu; Yiying Gu; Mingshan Zhao; Xiuyou Han

doi:10.1117/12.2538562

20 November 2019 Performance analysis of photonic RF self-interference cancellation for full-duplex communication

Xinxin Su, Shuanglin Fu, Shuo Wang, Xu Yang, Pengyi Wang, Chao Wang, Zhenlin Wu, Yiying Gu, Mingshan Zhao, Xiuyou Han

Proceedings Volume 11192, Real-time Photonic Measurements, Data Management, and Processing IV; 111920H (2019) https://doi.org/10.1117/12.2538562
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

A photonic RF self-interference cancellation (SIC) scheme for full-duplex communication is proposed and demonstrated experimentally. It is based on phase modulation to convert the RF signal into optical domain. The interference cancellation performance of the photonic RF SIC system under different delay deviation (Δτ) and amplitude deviation (Δα) is analyzed. The cancellation depth of 34.5 dB is measured for 10 GHz signal with bandwidth of 50MHz. According to experimental results, the interference cancellation performance affected by the time delay deviation, the amplitude deviation and the phase response is investigated. The results give a direction for the improvement of system performance.

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Xinxin Su, Shuanglin Fu, Shuo Wang, Xu Yang, Pengyi Wang, Chao Wang, Zhenlin Wu, Yiying Gu, Mingshan Zhao, and Xiuyou Han "Performance analysis of photonic RF self-interference cancellation for full-duplex communication", Proc. SPIE 11192, Real-time Photonic Measurements, Data Management, and Processing IV, 111920H (20 November 2019); https://doi.org/10.1117/12.2538562

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