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Improving multi access interference suppression in optical CDMA by using all-optical signal processing

Osadola, Tolulope Babajide and Idris, Siti Khadijah and Glesk, Ivan (2013) Improving multi access interference suppression in optical CDMA by using all-optical signal processing. Telfor Journal, 5 (1). pp. 48-53.

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Abstract

This paper presents the study of a novel alloptical method for processing optical CDMA signals towards improving suppression of multi access interference. The main focus is on incoherent OCDMA systems using multiwavelength 2D-WH/TS codes generated using FBG based encoders and decoders. The MAI suppression capabilities based on its ability to eliminate selective wavelength pulse processing have been shown. A novel transmitter architecture that achieves up to 3dB power saving was also presented. As a result of hardware savings, processing cost will be significantly reduced and power budget improvement resulted in improved performance.