Low-Complexity MIMO Carrier Phase Recovery for Carrier-Phase-Asynchronous SDM-MIMO Transmission Based on the Unscented Kalman Filter
Konferenz: ECOC 2024 - 50th European Conference on Optical Communication
22.09.2024-26.09.2024 in Frankfurt, Germany
Tagungsband: ITG-Fb. 317: ECOC 2024
Seiten: 4Sprache: EnglischTyp: PDF
Autoren:
Shibahara, Kohki; Hoshi, Megumi; Mori, Takayoshi; Imada, Ryota; Sakamoto, Taiji; Yamada, Yusuke; Nakajima, Kazuhide; Kobayashi, Takayuki; Miyamoto, Yutaka
Inhalt:
We propose simplified unscented-Kalman-filter-based MIMO-structured phase estimation technique, handling multiple phase errors in carrier-phase-asynchronous SDM-MIMO transmission. It improved tolerance against sum-linewidth-symbol-duration product by >15% while attaining up to 90%-reduced complexity. We also present useful SDM-MIMO applications under Tx/Rx-laser-asynchronous scenarios with transmission results over coupled-multicore-fibre cable.