Title :
Design of 3-D Wavelength/Time/Space Codes for Asynchronous Fiber-Optic CDMA Systems
Author :
Singh, Jaswinder ; Singh, Maninder Lal
Author_Institution :
Dept. of Electron. & Commun. Eng., Beant Coll. of Eng. & Technol., Gurdaspur, India
Abstract :
A new family of three-dimensional (3-D) wavelength/time/space codes for asynchronous optical code-division multiple access (OCDMA) systems with off-peak auto-correlation, ??a = 0, and peak cross-correlation, ??c = 1, is reported. With W wavelengths and T time-slots, (W 2 T + W) codes are generated. Antipodal signaling/differential detection is employed in the system. The performance is compared to the recently reported two-dimensional (2-D)/3-D codes. Arrayed waveguide grating-based reconfigurable 2-D implementation for encoder/decoder is presented. Suitability of our 3-D codes for secure OCDMA networks is discussed.
Keywords :
code division multiple access; space-time codes; telecommunication security; 3D wavelength/time/space codes; antipodal signaling; arrayed waveguide grating-based reconfigurable 2D implementation; asynchronous fiber-optic CDMA systems; asynchronous optical code-division multiple access systems; decoder; differential detection; encoder; multiple access interference; off-peak auto-correlation; secure OCDMA networks; single pulse per plane codes; Multiple-access interference (MAI); optical code-division multiple access (OCDMA); single pulse per plane (SPP) codes; three-dimensional (3-D) codes;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2009.2036144
