Variable weight spectral amplitude coding for multiservice OCDMA networks

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Seyedzadeh, Saleh and Pour Rahimian, Farzad and Glesk, Ivan and Kakaee, Majid H. (2017) Variable weight spectral amplitude coding for multiservice OCDMA networks. Optical Fiber Technology : Materials, Devices and Systems, 37. pp. 53-60. ISSN 1095-9912 (https://doi.org/10.1016/j.yofte.2017.07.002)

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Abstract

The emergence of heterogeneous applications such as internet data, video streaming, and online gaming, brings in a demand for a network environ- ments with capability of supporting diverse Quality of Services (QoS). Prioritizing the services is essential to ensure the delivery of information is at their best. This paper proposes a new code family to support optical domain service differentiation using spectral amplitude coding techniques within an optical code division multiple access (OCDMA) scenario. A particular user or service has a varying weight applied in order to obtain the desired signal quality. The proposed variable-weight code (VW-code) is constructed based on basic multi-service (MS) code. Mathematical model is developed to for performance evaluation of VW-MS code. In addition, the properties of pro- posed code is compared with other VW-OCDMA codes. It is shown that the proposed VW-MS provide an optimal code length with minimum cross- correlation compared to other VW-codes. Performance of VW-MS designed for triple-play services operating at bit rates of 0.622, 1.25 and 2.5 Gbps is demonstrated.

ORCID iDs

Seyedzadeh, Saleh ORCID logoORCID: https://orcid.org/0000-0001-6017-289X, Pour Rahimian, Farzad ORCID logoORCID: https://orcid.org/0000-0001-7443-4723, Glesk, Ivan ORCID logoORCID: https://orcid.org/0000-0002-3176-8069 and Kakaee, Majid H.;
CORE (COnnecting REpositories)