Energy efficient adaptive optical CDMA random access protocol based on particle swarm optimization

In this paper, an energy efficient adaptive optical code division multiple access (OCDMA) random access protocol based on particle swarm optimization (PSO) is described. This protocol is based on the S-ALOHA with power and rate allocation based on PSO. This scheme evaluates jointly optimal power and rate allocation PSO based under the random access protocol as a new and simplified scheme for high performance, high energy efficiency suitable for OCDMA systems. The aim is to maximize the aggregate throughput, subject to predetermined quality of service restrictions and energy efficiency constraint in terms of the signal-to-noise-plus interference ratio of each user class. Numerical results are discussed taking into account realistic network operation scenario.

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