Investigation temporal skewing among O-CDMA code carriers under fiber temperature variations

Abuhelala, Mohamed and Ahmed, Md Shakil and Ibrahim, Mustafa and Glesk, Ivan (2017) Investigation temporal skewing among O-CDMA code carriers under fiber temperature variations. In: 25th Telecommunications Forum TELFOR 2017, 2017-11-21 - 2017-11-22, School of Electrical Engineering, University of Belgrade.

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    Abstract

    Experimental investigation has been conducted on the influence of optical fiber temperature variations on 2-Dimension Wavelength/Hopping Time/Spreading Incoherent Optical Code Division Multiple Access (2-D WH/TS iOCDMA) codes. Our experimental results show that in the literature reported approaches assuming a temperature induced coefficient (Dtemp) in optical fiber being a constant are only accurate when the selection of code carriers’ wavelengths is from a relatively narrow spectral interval. This paper shows that if the selection of code carriers’ wavelengths is from a wider spectral interval, neglecting to mitigate the wavelength dependency of (Dtemp) would have a significant impact on the recovered iOCDMA Autocorrelation function.