Variable weight spectral amplitude coding for multiservice OCDMA networks

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)