16-QAM Sequences with Good Periodic Autocorrelation Function

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 sequence...

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Veröffentlicht in:	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences Communications and Computer Sciences, 2019/12/01, Vol.E102.A(12), pp.1697-1700
Hauptverfasser:	ZENG, Fanxin, ZENG, Yue, ZHANG, Lisheng, HE, Xiping, XUAN, Guixin, ZHANG, Zhenyu, PENG, Yanni, QIAN, Linjie, YAN, Li
Format:	Artikel
Sprache:	eng
Schlagworte:	16-QAM sequences Autocorrelation functions Communications systems Correlation analysis Integrated circuits Large scale integration periodic autocorrelation function quaternary sequences Sequences Sidelobes smallest possible absolute sidelobe Synchronism
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Beschreibung
Zusammenfassung:	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.
ISSN:	0916-8508 1745-1337
DOI:	10.1587/transfun.E102.A.1697