{"title":"Performance of different code families in SAC-OCDMA systems impaired by GVD","authors":"M. Salehi, E. Abiri, Mehran Dezfouli, K. Kazemi","doi":"10.1109/IEEEGCC.2011.5752596","DOIUrl":null,"url":null,"abstract":"In this paper, three main code families for spectral amplitude coding optical code division multiple access (SAC-OCDMA) systems in terms of performance are compared when the system is affected by group velocity dispersion (GVD). The results show that m-sequence codes have the best performance compared to Walsh-Hadamard and modified quadratic congruence (MQC) codes. In addition, a SAC-OCDMA system with 7 users and m-sequence codes is simulated and the impact of GVD is compensated using a chirped fiber bragg grating. The results exhibit a wide opening in the eye diagram as well as a great improvement in the system bit error rate.","PeriodicalId":119104,"journal":{"name":"2011 IEEE GCC Conference and Exhibition (GCC)","volume":"120 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2011-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2011 IEEE GCC Conference and Exhibition (GCC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IEEEGCC.2011.5752596","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
In this paper, three main code families for spectral amplitude coding optical code division multiple access (SAC-OCDMA) systems in terms of performance are compared when the system is affected by group velocity dispersion (GVD). The results show that m-sequence codes have the best performance compared to Walsh-Hadamard and modified quadratic congruence (MQC) codes. In addition, a SAC-OCDMA system with 7 users and m-sequence codes is simulated and the impact of GVD is compensated using a chirped fiber bragg grating. The results exhibit a wide opening in the eye diagram as well as a great improvement in the system bit error rate.