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Title: MAC protocols for multirate OV-CDMA system in optical packet Network: a comparative approach
Authors: Inaty, Elie 
Raad, Robert
Fortier, Paul
Shalaby, Hossam M. H.
Affiliations: Department of Electrical Engineering 
Department of Electrical Engineering 
Keywords: Bragg grating
Optical fibre networks
Subjects: Telecommunication-traffic
Code division multiple access
Issue Date: 2008
Publisher: IEEE
Part of: IEEE International Conference on Signal Processing and Communications, 2007. ICSPC 2007.
Start page: 1103
End page: 1106
Conference: IEEE International Conference on Signal Processing and Communications (24-27 Nov. 2007 : Dubai, United Arab Emirates) 
In this paper, we compare the performance of two newly proposed MAC protocols for multirate optical CDMA (OCDMA) networks. The first protocol is the S-ALOHA/OFFH-CDMA and the second is the R3T/OFFH-CDMA. The main subject in this proposal is to exploit the potential of the optical fast frequency hopping CDMA using fiber-Bragg grating when jointly used with two different MAC protocols in a link layer as an effective way of integrating multirate traffic. The system throughput and the average packet delay are compared for both systems. It is shown that the S-ALOHA is better than the R3T when the user's activity and the offered load are high while the R3T is better for smaller values. Both protocols can be competitive in terms of the system throughput with the advantage is for the R3T protocol at moderate offered load. However, the R3T protocol suffers a higher delay mainly because of the presence of additional modes.
Ezproxy URL: Link to full text
Type: Conference Paper
Appears in Collections:Department of Electrical Engineering

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