Ziyi Chang
ABSTRACT
Optical Network-on-Chip (ONoC) is a promising communication architecture which supports multiple communication tasks communicating at the same time at different wavelengths, i.e., Wavelength Division Multiplexing (WDM) technology. However, crosstalk is generated when several signals are transmitting concurrently in a waveguide, which has a negative impact on the Optical Signal-to-Noise Ratio (OSNR) of the optical signal, and cause power fluctuations at the receiver side. In this paper, we propose a wavelength allocation method based on genetic algorithm (GA) to assign wavelength for each communication pair. This method is able to reduce the crosstalk during the process of wavelength allocation. The simulation results show that the OSNR can be significantly improved by using our proposed method. In addition, the method is universal and can be applied to different scale of ring-based ONoC and also other kinds of ONoCs under some proper adaptation.
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Cross Ref
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Index Terms
- Crosstalk-aware GA-based wavelength allocation method for ring-based optical network-on-chip
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