16-QAM Sequences with Good Periodic Autocorrelation Function

Special Section on Information Theory and Its Applications

Fanxin ZENG, Yue ZENG, Lisheng ZHANG, Xiping HE, The Communication NCO Academy, Army Engineering University of PLA">Guixin XUAN, Zhenyu ZHANG, Yanni PENG, Linjie QIAN, Li YAN

Author information

Fanxin ZENG
Chongqing Engineering Laboratory for Detection, Control and Integrated System, Chongqing Technology and Business University
Yue ZENG
The College of Software Engineering, Chongqing University of Posts and Telecommunications
Lisheng ZHANG
The College of Software Engineering, Chongqing University of Posts and Telecommunications
Xiping HE
Chongqing Engineering Laboratory for Detection, Control and Integrated System, Chongqing Technology and Business University
Guixin XUAN
The College of Communication Engineering, Chongqing University
The Communication NCO Academy, Army Engineering University of PLA
Zhenyu ZHANG
The Communication NCO Academy, Army Engineering University of PLA
Yanni PENG
Chongqing Engineering Laboratory for Detection, Control and Integrated System, Chongqing Technology and Business University
Linjie QIAN
The Communication NCO Academy, Army Engineering University of PLA
Li YAN
Chongqing Engineering Laboratory for Detection, Control and Integrated System, Chongqing Technology and Business University

Keywords: 16-QAM sequences, periodic autocorrelation function, smallest possible absolute sidelobe, quaternary sequences

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2019 Volume E102.A Issue 12 Pages 1697-1700

DOI https://doi.org/10.1587/transfun.E102.A.1697

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Abstract

Sequences that attain the smallest possible absolute sidelobes (SPASs) of periodic autocorrelation function (PACF) play fairly important roles in synchronization of communication systems, Large scale integrated circuit testing, and so on. This letter presents an approach to construct 16-QAM sequences of even periods, based on the known quaternary sequences. A relationship between the PACFs of 16-QAM and quaternary sequences is established, by which when quaternary sequences that attain the SPASs of PACF are employed, the proposed 16-QAM sequences have good PACF.

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