Low power and concurrency optimization of the computational unit for DSP processors based on software

Zhang, Xin Zhang Xin; Chen, Jie Chen Jie; Guo, Xiaoxu; Li, Baofeng Li Baofeng

doi:10.1109/icasic.2003.1277577

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2005

2024

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“…For polarization-multiplexed CO-OFDM, Ref [8] proposes a dual-polarization pre-compensation algorithm in the time domain. In dispersion-unmanaged systems, the widely used approach is the Back-Propagation algorithm [9], which, despite its significant computational load, yields highly desirable compensation results, effectively mitigating nearly all nonlinear noise.…”

Section: Introductionmentioning

confidence: 99%

Analysis of nonlinear phase noise suppression for CO-OFDM systems based Gaussian basis expansion method

Shi,

Fang,

Zhou

et al. 2024

International Academic Conference on Optics and Photonics (IACOP 2023)

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In this paper, we introduce a nonlinear phase noise suppression method for Coherent Optical Orthogonal Frequency-Division Multiplexing (CO-OFDM) systems based on Gaussian Basis Expansion (GBE). In comparison with previous phase noise suppression approaches, it enhances the system's tolerance to nonlinear phase noise evidently, effectively mitigating the nonlinear phase noise in CO-OFDM systems. The proposed method is theoretically analyzed and its efficacy is validated through simulations using VPI Software.

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Section: Introductionmentioning

confidence: 99%