奇长度的4^(q)-QAM互补序列集  

4^(q)-QAM complementary sequence sets with odd length

作　　者：丁小茂 周亚晶 罗荣[1] DING Xiaomao;ZHOU Yajing;LUO Rong(School of Mathematics, Southwest Jiaotong University, Chengdu 611756,China)

机构地区：[1]西南交通大学数学学院,四川成都611756

出　　处：《湖北大学学报（自然科学版）》2022年第3期306-311,共6页Journal of Hubei University：Natural Science

基　　金：四川省科技计划基础应用项目(2018JY0261)资助。

摘　　要：正交幅度调制(quadrature amplitude modulation,QAM)互补序列可以用于正交频分复用(orthogonal frequency-division multiplexing,OFDM)系统,有效控制其高峰均包络功率比(Peak-to-mean envelope power ratio,PMEPR).与2^(m)长QAM格雷互补序列的构造相比,非2^(m)的QAM格雷互补序列构造较少.本研究构造一类奇长度的4^(q)-QAM互补序列集(complementary sequence set,CSS),并确定了4^(q)-QAM互补序列数目.Complementary sequences with quadrature amplitude modulation(QAM)are proposed to deal with the high peak-to-mean envelope power ratio(PMEPR)problem in orthogonal frequency-division multiplexing(OFDM)systems.There have been many constructions of 4^(q)-QAM Golay complementary sequences of length 2^(m),but few 4^(q)-QAM Golay complementary sequences of non-power-of-two length have been reported.In this paper,a construction of 4^(q)-QAM complementary sequence sets of size 4 with odd length was presented.The number of 4^(q)-QAM complementary sequences generated from that construction was also calculated.

关 键 词：互补序列集 正交频分复用 正交幅度调制 峰均包络功率比 RM码 

分 类 号：O29[理学—应用数学]