Channel allocation algorithm for WDM systems | Zendy

Vrizlynn L. L. Thing | Zendy; Perry Ping Shum | Zendy; M. M. Rao | Zendy

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Channel allocation algorithm for WDM systems

Author(s) -

Vrizlynn L. L. Thing,

Perry Ping Shum,

M. M. Rao

Publication year - 2003

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.11.001322

Subject(s) - wavelength division multiplexing , computer science , channel allocation schemes , channel (broadcasting) , bandwidth (computing) , optics , four wave mixing , channel spacing , algorithm , dispersion (optics) , physics , telecommunications , wavelength , nonlinear optics , wireless , laser

An algorithm for WDM channel allocation, based on the concept of Optimal Golomb Ruler (OGR), is proposed. This algorithm enhances system performance by locating an allocation set, where the degradation caused by the effects of interchannel interference and Four-Wave Mixing (FWM) is minimal. Two sets of simulation were performed on an 8x10Gbpschannel system (channel spacing of 50GHz for equally spaced allocation), with 50% pre-allocated bandwidth using non-zero dispersion-shifted fibers with dispersion of 3 and 6ps/nm.km at 1550nm. Results showed BER improvement of 1.75 and 0.97 for the 3 and 6ps/nm.km simulations respectively. This improvement is significant, considering the fact that no additional cost (bandwidth) was incurred, unlike existing unequally spaced channel allocation methods.

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