Extended Multilevel Prime Codes for Optical CDMA

被引：17

作者：

Sun, Cho-Cheng ^{[1
]}

Yang, Guu-Chang ^{[1
]}

Tu, Chen-Pin ^{[1
]}

Chang, Cheng-Yuan ^{[2
]}

Kwong, Wing C. ^{[3
]}

机构：

[1] Natl Chung Hsing Univ, Dept Elect Engn, Taichung 402, Taiwan

[2] Natl United Univ, Dept Elect Engn, Miaoli, Taiwan

[3] Hofstra Univ, Dept Engn, Hempstead, NY 11549 USA

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2010年 / 58卷 / 05期

关键词：

Multilevel codes; on-off keying; optical code division multiple access; tree structure; BEAT NOISE; ORTHOGONAL CODES; COHERENT; CONSTRUCTION; PERFORMANCE; SYSTEMS; DESIGN;

D O I：

10.1109/TCOMM.2010.05.090136

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a new family of "multilevel" wavelength-time codes with expanded code cardinality, flexible code length, zero autocorrelation sidelobes, and the maximum cross-correlation function of any arbitrary positive integer.. is constructed and analyzed. Besides having asymptotically optimal cardinality, the new codes can be partitioned into.. levels, such that the cross-correlation function between any two code matrices in level l is at most l, where 1 <= l <= n. The hardlimiting performance of these multilevel codes is analyzed algebraically. Our results show that the unique partitioning property of these multilevel codes supports a trade-off between code cardinality and performance for meeting different system requirements, such as user capacity and throughput.

引用

页码：1344 / 1350

页数：7

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