一种16-QAM+周期互补序列集的构造方法  

A constructing method of 16-QAM+periodic complementary sequence sets

作　　者：万梦华 李琦 高军萍 岳红翠 李琛 WAN Menghua;LI Qi;GAO Junping;YUE Hongcui;LI Chen(School of Electronics and Information Engineering,Hebei University of Technology,Tianjin 300401,China)

机构地区：[1]河北工业大学电子信息工程学院,天津300401

出　　处：《燕山大学学报》2020年第6期591-596,共6页Journal of Yanshan University

基　　金：河北省高等学校科学技术研究项目(ZD2017021)。

摘　　要：在CDMA系统中,使用具有优良相关特性的互补序列能够降低甚至消除系统存在的各种干扰。将16-QAM周期互补序列集和三元周期互补序列集通过互相关函数相结合,提出一种构造16-QAM+周期互补序列集的方法。该方法中所使用的特定函数为16-QAM+序列的构造提供了新的思路。所构造的16-QAM+周期互补序列集不仅可以弥补传统扩频通信系统可用地址码少、系统复杂等不足,进一步提高了系统的容量和性能,而且扩展了通信系统中多元序列集的可选空间,满足了通信工程应用的需求。In the CDMA systems,using the periodic complement sequence which have good correlation can reduce and even eliminate the interference of the system.A method for constructing 16-QAM+periodic complementary sequence set is proposed by combining the 16-QAM periodic complementary sequence set with the ternary periodic complementary sequence set through cross-correlation function.The specific function used in this method provides a new idea for the construction of 16-QAM+sequences.The constructed 16-QAM+Periodic complementary sequence set can not only make up for the lack of the address code and solve some problems of the complex communication system,but also improve the capacity and performance of the system.Furthermore,the optional space of the multiphase sequence sets in communication system is extended,the requirement of the communication engineering application is satisfied.

关 键 词：QAM周期互补序列集 周期自相关函数 三元周期互补序列集 16-QAM+星座 

分 类 号：TN911.2[电子电信—通信与信息系统]