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Design of double-weight code for synchronous OCDMA systems with power control 被引量：2

Design of double-weight code for synchronous OCDMA systems with power control
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摘要 Double-weight optical code division multiple access（OCDMA） systems are proposed for studying differentiated quality-of-service transmission. Based on quadratic congruence code（QCC）, we construct a one-dimensional double-weight code family, which can be well utilized in incoherent synchronous double-weight OCDMA networks. By introducing algebraic transformation to code sequences of QCC in level 1, we obtain multiple double-weight codes with cross-correlation 1. Under the same-bit-power assumption, the performance of low-weight codes can be significantly improved and is always superior to that of high-weight codes in double-weight OCDMA systems with power control. This property is contrary to previous conclusions under the same-chip-power assumption. Double-weight optical code division multiple access（OCDMA） systems are proposed for studying differentiated quality-of-service transmission. Based on quadratic congruence code（QCC）, we construct a one-dimensional double-weight code family, which can be well utilized in incoherent synchronous double-weight OCDMA networks. By introducing algebraic transformation to code sequences of QCC in level 1, we obtain multiple double-weight codes with cross-correlation 1. Under the same-bit-power assumption, the performance of low-weight codes can be significantly improved and is always superior to that of high-weight codes in double-weight OCDMA systems with power control. This property is contrary to previous conclusions under the same-chip-power assumption.
作者 陈富军 罗风光 冯刚 李斌 贺成
机构地区 School of Optical and Electronic Information Department of Electronics and Information Engineering
出处 《Chinese Optics Letters》 SCIE EI CAS CSCD 2014年第11期40-44,共5页 中国光学快报（英文版）
基金 supported by the National"863"Program of China(No.2012AA011301) the National"973"Program of China(No.2010CB328302)
关键词 Codes (symbols) Optical communication Power control Quality of service Codes (symbols) Optical communication Power control Quality of service
分类号 TN929.1 [电子电信—通信与信息系统]
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参考文献12

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同被引文献17

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引证文献2

二级引证文献9

Chinese Optics Letters
2014年 第11期

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