一类新的完美和几乎完美的16-QAM序列

计算机工程与应用 ›› 2014, Vol. 50 ›› Issue (14): 100-102.

一类新的完美和几乎完美的16-QAM序列

许云艳，肖光世，曹喜望

南京航空航天大学数学系，南京 211106

出版日期:2014-07-15 发布日期:2014-08-04

A new class of perfect and almost perfect 16-QAM sequences

XU Yunyan, XIAO Guangshi, CAO Xiwang

Department of Mathematics, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

Online:2014-07-15 Published:2014-08-04

摘要/Abstract

摘要： 针对调制解调方式的高效性，提出低自相关值的16-QAM序列，使用完美的二元序列构造完美的4-QAM序列，基于完美的4-QAM序列构造完美的16-QAM序列，对所构造的完美16-QAM序列的能量效率进行分析，提出用完美的4-QAM序列和交织结构构造几乎完美的16-QAM序列，并给出了相应条件。

关键词: 正交幅度调制（QAM）, 完美序列, 几乎完美序列, 自相关值, 能量效率

Abstract: In view of enhancing the modulation efficiency of communication system, the 16-QAM sequences having low auto-correlation values are proposed, and the perfect 4-QAM sequences are constructed by the perfect binary sequences, and the perfect 16-QAM sequences based on the perfect 4-QAM sequences are constructed. In addition, the energy efficiency of the constructed perfect 16-QAM sequences is analyzed. A new construction of almost perfect 16-QAM sequences by using the perfect 4-QAM sequences and interleaved structures is provided, and the corresponding condition is presented.

Key words: Quadrature Amplitude Modulation（QAM）, perfect sequences, almost perfect sequences, autocorrelation values, energy efficiency

许云艳，肖光世，曹喜望. 一类新的完美和几乎完美的16-QAM序列[J]. 计算机工程与应用, 2014, 50(14): 100-102.

XU Yunyan, XIAO Guangshi, CAO Xiwang. A new class of perfect and almost perfect 16-QAM sequences[J]. Computer Engineering and Applications, 2014, 50(14): 100-102.

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