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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 23, Iss. 10 — Oct. 1, 2005
  • pp: 2902–

2-D Optical CDMA Networks Using MWPM, Double Hard Limiters and Modified Carrier-Hopping Prime Sequences

Ping Wang and Tho Le-Ngoc

Journal of Lightwave Technology, Vol. 23, Issue 10, pp. 2902- (2005)


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Abstract

This paper presents a two-dimensional optical code division multiple access (2-D-OCDMA) scheme using multiwavelength pulse modulation (MWPM), double optical hard limiters (DHL), and modified carrier-hopping prime sequences (MCHP) to increase the achievable system capacity. Design criteria to reduce multiaccess interference (MAI) are established and indicate that suitable signature sequences for 2-D-OCDMA/MWPM must have good cross-correlation property in terms of both time shift and wavelength shift. Performance analysis of 2-D-OCDMA/MWPM/DHL systems in the presence of MAI and photo detector shot noise is developed. Simulation and analytical results are in very good agreement and indicate that the proposed 2-D-OCDMA/MWPM/DHL systems using MCHP sequences can offer a much larger capacity than others, suitable for applications in broadband fiber-optic access networks.

© 2005 IEEE

Citation
Ping Wang and Tho Le-Ngoc, "2-D Optical CDMA Networks Using MWPM, Double Hard Limiters and Modified Carrier-Hopping Prime Sequences," J. Lightwave Technol. 23, 2902- (2005)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-23-10-2902

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