A new scheme for OCDMA using 2D codes and differential detection

Authors

  • Paulo Santos
  • Rogério N. Nogueira Dep. de Física, U. de Aveiro
  • Paulo André Dep. de Física, U. de Aveiro
  • J. R. Ferreira da Rocha
  • António J. Teixeira

Keywords:

Optical system, Optical Code Division Multiple Access, OCDMA

Abstract

A new optical system with wavelengthencoding/time-spreading Optical Code Division Multiple Access (O-CDMA) is proposed. Using orthogonal polarizations we can have a simple encoding and decoding of two independent channels and achieve differential detection. The resulting system has a constant null decision threshold and therefore a superior performance when compared with a system with direct detection.

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Published

2004-01-01

Issue

Vol. 4 No. 2 (2004)

Section

Articles