Improvement of BER for one-stage Optical Parallel Interference Cancellation for the optical CDMA

Khalaf, Moustafa R.; Zahra, Mohamed M.; Abdelfattah, Shawki

doi:10.1109/icces.2010.5674898

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2019

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“…Several methods have been proposed to deal with interference noises cancellations problem, such as successive interference cancellation (SIC) [5], [6] and parallel interference cancellation (PIC) [7], [8]. Both of them were originally devised to RF receivers to eliminate unmatched signals and spurious interference noises within the received signal+noises.…”

Section: Introductionmentioning

confidence: 99%

Realizing Waveguide-Grating Network Codecs to Recursively Suppress Optical Interference Noises

Huang¹,

Liu²,

Li³

et al. 2019

World Congress on Electrical Engineering and Computer Systems and Science

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In this paper, we propose a recursive interference cancellation (RIC) scheme over optical coding access network coder/decoders (codecs). The novel-designed interference noises canceller is structured over arrayed-waveguide gratings (AWGs). By recursively following the recoding, subtraction, and decoding processes, the reconfigured AWG codecs will largely suppress optical interference noises to successfully recover target user data bits. Numerical evaluations are taken to illustrate the RIC processes to compare different recursive rounds and code weights distribution to the SNR performance of target data bit decoding.

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