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A New Code for Optical Code Division Multiple Access Systems

Syed Alwee, Aljunid and Zuraidah, Zan and Siti Barirah, Ahmad Anas and Mohd. Khazani, Abdullah (2004) A New Code for Optical Code Division Multiple Access Systems. Malaysian Journal of Computer Science, 17 (2). pp. 30-39. ISSN 0127-9084

Full text not available from this repository.

Official URL: http://mjcs.fsktm.um.edu.my/detail.asp?AID=307

Affiliations

Universiti Putra Malaysia

Abstract

A new code structure based on Double-Weight (DW) code families is proposed for Spectral-Amplitude-Coding Optical Code Division Multiple Access (OCDMA) system. The constraint of a constant weight of 2 for the DW code can be relaxed using a mapping technique. By using this technique, codes that have a larger number of weight can be developed. Modified Double-Weight (MDW) Code is another variation of a DW code family that can has a variable weight greater than two. The MDW code possesses ideal cross-correlation properties and exists for every natural number n. A much better performance can be provided by using the MDW code compared to the existing codes such as Hadamard and Modified Frequency-Hopping (MFH) codes. This has been demonstrated from the theoretical analysis and simulation.

Item Type:Journal
Keywords:OSCDMA, Cross-correlation, Double Weight (DW) Code, Modified Double Weight (MDW) Code
Subjects:Q Science
ID Code:419

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