Performance improvement using DCSRZ at 10 GHZ OCDMA transmission link

In this paper, a method based upon combination of duo-binary (DB) and carrier suppressed return-to-zero (CSRZ) format has been proposed that has significantly improved the performance of optical code division multiple access (OCDMA) system by means of two dimensional (2D) codes based on two paramete...

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Veröffentlicht in:Maǧallaẗ al-abḥath al-handasiyyaẗ 2022-03, Vol.2022 ((s+conf)-), p.177-184
1. Verfasser: Bharti, Manisha
Format: Artikel
Sprache:eng
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Zusammenfassung:In this paper, a method based upon combination of duo-binary (DB) and carrier suppressed return-to-zero (CSRZ) format has been proposed that has significantly improved the performance of optical code division multiple access (OCDMA) system by means of two dimensional (2D) codes based on two parameters; wavelength and time. The various investigations divulge that highest Q2 (dB) of minimum and maximum value [18,23]; [14,17]; [9,12] and [1,6] has been obtained at a power variation of -10 to 20 dBm for DCRZ, DB, CSRZ and RZ modulation formats respectively for a communication distance of 80 kilometers. It has also been identified that maximum OSNR of [37-29] dB is obtained by using DCSRZ modulation format for the same distance. The maximum opening of eye for DCSRZ format has further proved its robustness to suppress the channel impairments at a high-power level of 20 dBm for 10 GHz optical CDMA systems.
ISSN:2307-1877
2307-1885
DOI:10.36909/jer.ICAPIE.15033