Construction and performance analysis of variable weight zero cross correlation Latin square code for spectral amplitude coding OCDMA systems  

作　　者：LIU Yan LI Chuanqi LU Ye 

机构地区：[1]Optoelectronics and Optical Communication Laboratory,School of Electronic and Information Engineering,Guangxi Normal University,Guilin,541004,China [2]College of Physics and Electronic Engineering,Nanning Normal University,Nanning,530001,China

出　　处：《Optoelectronics Letters》2023年第1期41-48,共8页光电子快报（英文版）

基　　金：supported by the Guangxi Science and Technology Program(No.AB18126025).

摘　　要：The selection of appropriate codes for an optical code division multiple access(OCDMA)network,which determines the maximum number of users and bit error rate(BER)supported by the system,is crucial.This study proposed a variable weight zero cross-correlation Latin square(VW-ZLS)code for spectral amplitude coding(SAC)-OCDMA systems,which offers high autocorrelation and zero cross-correlation,while providing differentiated quality of service(QoS)features.Using direct detection(DD)technology,the data rate of the proposed VW-ZLS code reached 4.8 Gbit/s under the condition that BER does not exceed 10-9.This was 0.5 Gbit/s higher than that of zero cross-correlation magic square variable weight optical orthogonal code(ZMS-VWOOC)with the same cross-correlation characteristics.Further,simulation results showed that in SAC-OCDMA system,the VW-ZLS code was better than ZMS-VWOOC and exhibited excellent performance.

关 键 词：OCDMA LATIN WEIGHT 

分 类 号：TN929.1[电子电信—通信与信息系统]