Abstract
In this paper, we propose to jointly estimate channel distortions including the transmitter and receiver in- phase/quadrature (IQ) mismatch, frequency offset (FO) and phase noise (PN) by sequential number-theoretic optimization (SNTO) in coherent optical communication systems. A decision-feedback signal detection scheme is subsequently proposed after the joint estimation, which guarantees real-time estimation of the PN. The feasibility, accuracy and robustness of the proposed SNTO-based algorithm are verified via simulations.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 29th Opto-Electronics and Communications Conference, OECC 2024 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1-3 |
| Number of pages | 3 |
| Edition | 2024 |
| ISBN (Electronic) | 9798350308396 |
| DOIs | |
| Publication status | Published - Apr 2025 |
| Event | 29th Opto-Electronics and Communications Conference, OECC 2024 - Melbourne, Australia Duration: 30 Jun 2024 → 4 Jul 2024 |
Conference
| Conference | 29th Opto-Electronics and Communications Conference, OECC 2024 |
|---|---|
| Country/Territory | Australia |
| City | Melbourne |
| Period | 30/06/24 → 4/07/24 |
Keywords
- frequency offset
- In-phase/quadrature mismatch
- phase noise
- sequential number-theoretic optimization
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Computer Networks and Communications
- Electrical and Electronic Engineering
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