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Title: Optimal resource allocation scheme in a multirate overlapped optical CDMA system
Authors: Raad, Robert
Inaty, Elie 
Fortier, Paul
Shalaby, Hossam M. H.
Affiliations: Department of Electrical Engineering 
Department of Electrical Engineering 
Keywords: Capacity
Fiber Bragg grating (FBG)
Overlapped optical code division multiple access (OCDMA)
Overlapping coefficient
Power control
Quadratic function
Rate control
Issue Date: 2007
Part of: IEEE journal of lightave technology
Volume: 25
Issue: 8
Start page: 2044
End page: 2053
This paper addresses the problem of resource allocation in a multiservice optical network based on an overlapped code-division-multiple-access system. A joint transmission power and overlapping coefficient (transmission rate) allocation strategy is provided via the solution of a constrained convex quadratic optimization problem. The solution of this problem maximizes the aggregate throughput subject to peak laser transmission power constraints. The optimization problem is solved in a closed form, and the resource allocation strategy is simple to implement in an optical network. Simulation results are presented, showing a total agreement between the derived analytical solution and the one obtained using a numerical search method. In addition, analytical and numerical results show that the proposed resource allocation strategy can offer substantial improvement in the system throughput.
Ezproxy URL: Link to full text
Type: Journal Article
Appears in Collections:Department of Electrical Engineering

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