机构地区: 深圳大学新技术研究中心
出 处: 《光通信研究》 2006年第2期46-48,共3页
摘 要: 构造了一种用于二维同步光码分多址(OCDMA)系统的修正素数跳频码(MPC/PC),分析了码字的自相关和互相关性能,研究了二维同步OCDMA系统的误码率和吞吐量性能。结果表明,与一维同步OCDMA系统相比,二维同步OCDMA系统的可接入用户数大大增加,误码率大大降低,吞吐量明显提高。 A Modified Prime - hop Code (MPC/PC) is proposed for the two-dimensional synchronous optical CDMA system. The autocorrelation and cross-correlation performances of the code words are analyzed and the Bit Error Rate (BER) and system throughput of the CDMA system studied. Compared with one-dimensional synchronous optical CDMA systems, the two-dimensional system can accommodate much more access subscribers with drastic reduction of BER and remarkable increase of system throughput.