Xiuyou Han, Xinxin Su, Shuanglin Fu, Yiying Gu, Zhenlin Wu, Xiaozhou Li, Mingshan Zhao. RF self-interference cancellation by using photonic technology [Invited][J]. Chinese Optics Letters, 2021, 19(7): 073901
- Chinese Optics Letters
- Vol. 19, Issue 7, 073901 (2021)
Fig. 1. Schematic of duplex technology for wireless communication. (a) Frequency division duplex, (b) time division duplex, and (c) in-band full duplex.
Fig. 2. Schematic of the RF self-interference during IBFD communication.
Fig. 3. Schematic diagram of photonic RF SIC for IBFD communication system.
Fig. 4. Structure of optoelectronic devices to realize phase reversal.
Fig. 5. Photonic RF SIC system with dual MZMs biased at reverse orthogonal points[31].
Fig. 6. Photonic RF SIC systems based on MZM-like structures for phase reversal: (a) DD-MZM[34], (b) DP-MZM[35], and (c) DP-PolM[28].
Fig. 7. Photonic RF SIC system based on phase modulation and optical sideband filtering[25].
Fig. 8. Photonic RF SIC system based on slow and fast light effect in SOA[43].
Fig. 9. Impact of amplitude deviation and phase deviation on the cancellation depth: (a) three-dimensional view and (b) top view.
Fig. 10. Schematic of photonic multipath RF SIC system by SM-MM combiner[38].
Fig. 11. Schematic of the photonic RF SIC system by using dispersion element[29].
Fig. 12. Schematic of the photonic multipath RF SIC system by PM and WDM[56].
Fig. 13. Schematic of the photonic multipath RF SIC system by FBG-based delay lines[41].
Fig. 14. Block diagram (top) and microscope image (bottom) of the integrated photonic RF SIC chip on InP platform[64].
Fig. 15. (a) Schematic diagram and (b) microscope image of the integrated photonic RF SIC chip on silicon platform[71].
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Table 1. Photonic RF Self-Interference Cancellation Results by Different Phase Reversal Methods
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Table 2. Multipath Self-Interference Cancellation Schemes and Results
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