| 适用于AS-CDMA系统的具有零（低）相关区的二元序列的数量扩张 |
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| 引用本文： | 曾凡鑫.适用于AS-CDMA系统的具有零（低）相关区的二元序列的数量扩张[J].重庆邮电学院学报(自然科学版),2004,16(4):14-16. |
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| 作者姓名： | 曾凡鑫 |
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| 作者单位： | 重庆通信学院信息技术教研室 重庆40035 |
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| 摘 要： | 基于Cha的思想，提出了一种广义的扩张具有零(低)相关区二元序列数量的方法，这种方法通过牺牲已知的具有零(低)相关区的二元序列的零(低)相关区宽度来换取序列数量的扩大。为这种方法建立了系统的理论基础，并给出严格的证明。这种方法能满足近似同步CDMA(AS-CDMA)系统对大用户量的需求。
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| 关 键 词： | CDMA AS-CDMA 多址干扰 零相关区 低相关区 扩频序列 |
Extension of family size of binary sequences with zero or low correlation zone for AS-CDMA system |
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| ZENG Fan-xin.Extension of family size of binary sequences with zero or low correlation zone for AS-CDMA system[J].Journal of Chongqing University of Posts and Telecommunications(Natural Sciences Edition),2004,16(4):14-16. |
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| Authors: | ZENG Fan-xin |
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| Abstract: | Based on Cha's idea, a generalized method for expanding family size of binary sequence sets with zero or low correlation zone (ZCZ or LCZ) is proposed.The enlarged family size is produced from arbitrary known binary sequence sets with ZCZ or LCZ at the cost of reducing width of ZCZ or LCZ,the systematic theory for the method is founded, and strict proofs are derived. This method can satisfy demand of larger user size for approximately synchronized CDMA (AS-CDMA) system. |
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| Keywords: | CDMA AS-CDMA multiple access interference zero correlation zone low correlation zone spreading sequence |
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