Chinese Journal of Quantum Electronics, Volume. 28, Issue 5, 635(2011)

Acquirement and performance analysis of 2D-VWOOC for optical CDMA system

Chuan-qi LI1...2,*, Yuan-yuan ZHOU2, Yuan ZHANG2, Hui CHEN2 and Cheng-long GUAN2 |Show fewer author(s)
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    Based on OCS for wavelength hopping and strict VW-OOC for time spreading, a new family, named one-coincide sequence/strict wavelength optical orthogonal code (OCS/SVW-OOC), of two-dimension wavelength-hopping/time-spreading variable-weight optical orthogonal code (VW-OOC) is constructed. Auto-correlation and cross-correlation performances of OCS/SVW-OOC are analyzed in detail and the mean value of cross-correlation is reduced. The bit error ratio (BER) for the 2D code was simulated and compared. The simulation results show that for the given parameters of SVW-OOC and length of OCS, not only the BER of OCS/SVW-OOC decreases, but also the capacity increases, when the number of wavelengths increases. And for the given parameters of OCS, code weight and number of SVW-OOC, the BER of OCS/SVW-OOC decreases when the code length of SVW-OOC increases.

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    LI Chuan-qi, ZHOU Yuan-yuan, ZHANG Yuan, CHEN Hui, GUAN Cheng-long. Acquirement and performance analysis of 2D-VWOOC for optical CDMA system[J]. Chinese Journal of Quantum Electronics, 2011, 28(5): 635

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    Paper Information

    Received: Oct. 11, 2010

    Accepted: --

    Published Online: Sep. 27, 2011

    The Author Email: Chuan-qi LI (lcq@mailbox.gxnu.edu.cn)

    DOI:10.3969/j.issn.1007-5461. 2011.05.020

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