New DS/WH encoding/decoding scheme for optical CDMA

ChongXiu Yu; Qifang Yang; Wenbiao Qin

doi:10.1117/12.369411

9 November 1999 New DS/WH encoding/decoding scheme for optical CDMA

ChongXiu Yu, Qifang Yang, Wenbiao Qin

Proceedings Volume 3899, Photonics Technology into the 21st Century: Semiconductors, Microstructures, and Nanostructures; (1999) https://doi.org/10.1117/12.369411
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

Abstract

In this paper the direct spreading/wavelength hopping en- /de-coding scheme for optical code-division multiple access is proposed. The system structure is designed and analyzed. A new code sequence-wavelength hopping extended quadratic congruence for prime code is adopted. It is shown that the code capability can be increased by increasing the number of discrete wavelengths or by employing asymmetric system with different prime numbers for spreading and hopping. The synchronous signal is designed and analyzed. It is very easy for user to decode synchronously. The performance of the system is investigated and it is shown that the en-/de- coding scheme and system structure are feasible.

Citation Download Citation

ChongXiu Yu, Qifang Yang, and Wenbiao Qin "New DS/WH encoding/decoding scheme for optical CDMA", Proc. SPIE 3899, Photonics Technology into the 21st Century: Semiconductors, Microstructures, and Nanostructures, (9 November 1999); https://doi.org/10.1117/12.369411

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