Toward Practical Digital Phase Alignment for Coherent Beam Combining in Multi-Aperture Free Space Coherent Optical Receivers

In free space optical communication systems, multi-aperture coherent optical receivers based on digital coherent beam combining (D-CBC) technique can provide exceptionally high sensitivity and are more robust to the atmosphere turbulence compared with the single aperture receivers with the same coll...

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Veröffentlicht in:	IEEE access 2020, Vol.8, p.202585-202595
Hauptverfasser:	Rao, Chenjie, Cui, Sheng, Tu, Yicong, Zhou, Keji, Liu, Deming
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Alignment Apertures Coherence combining loss Communications systems Complexity Computation Computational complexity digital coherent combining Digital signal processing Diversity reception equal gain combing Exact solutions Free-space optical communication High-speed optical techniques Mathematical analysis maximum ratio combining Multi-aperture receiver Optical noise Optical receivers phase alignment Real time Real-time systems Receivers Robustness (mathematics) Signal processing Signal quality Signal to noise ratio
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