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Optical Spectrum CDMA: A New Code Construction for Double Weight Code Family

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5 Author(s)
Mohammed, A. ; Dept. of Electr. & Electron., Universiti Teknologi Petronas, Perak ; Saad, N.M. ; Aljunid, S.A. ; Safar, A.M.
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This paper handles the double weight (DW) code family, one of the proposed codes used in spectral-amplitude-coding optical code division multiple access (OCDMA). The DW code family is constructed using a matrix technique which produces the whole basic code matrix in order to get a specified codeword. An additional mapping technique is used to increase the number of users. Both techniques add more complication to the code construction. A general equation is derived and analyzed in order to compare with the conventional method. Detailed examples are given on how to generate codes using a general equation. We also show in this paper the advantages of this formula compared to the existing construction technique. This newly designed technique allows us to use an equation-based constructing method to build any specified codeword for the DW code family

Published in:

Communications and Information Technologies, 2006. ISCIT '06. International Symposium on

Date of Conference:

Oct. 18 2006-Sept. 20 2006