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- W4310584326 abstract "In-phase/quadrature(I/Q) imbalance compensation is an important procedure in optical coherent systems, and the Gram-Schmidt orthogonalization procedure (GSOP) is one of the most widely used compensation algorithms. However, the division and square-root operations consume a lot of hardware resources, limiting the speed of FPGA implementation. This paper proposes a fast and resource-efficient GSOP implementation by converting square-root and division operations into linear fitting. We introduce the Newton iteration method to compensate for the accuracy degradation. The FPGA implementation shows that the throughput of the 128-way-parallel GSOP is up to 100Gbps at the frequency of 392MHz." @default.
- W4310584326 created "2022-12-12" @default.
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- W4310584326 date "2022-10-25" @default.
- W4310584326 modified "2023-09-26" @default.
- W4310584326 title "A Fast and Resource-efficient GSOP Implementation for Optical Coherent Receivers" @default.
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- W4310584326 doi "https://doi.org/10.1109/icsict55466.2022.9963292" @default.
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