A Family of New 16-QAM Golay Complementary Sequences without Higher PEP Upper Bounds

Regular Section

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

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Keywords: complementary sequence pair, 16-QAM constellation, generalized Boolean function, peak envelope power, binary signal

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2020 Volume E103.A Issue 2 Pages 547-552

DOI https://doi.org/10.1587/transfun.2019EAL2099

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Abstract

In an OFDM communication system using quadrature amplitude modulation (QAM) signals, peak envelope powers (PEPs) of the transmitted signals can be well controlled by using QAM Golay complementary sequence pairs (CSPs). In this letter, by making use of a new construction, a family of new 16-QAM Golay CSPs of length N=2^m (integer m≥2) with binary inputs is presented, and all the resultant pairs have the PEP upper bound 2N. However, in the existing such pairs from other references their PEP upper bounds can arrive at 3.6N when the worst case happens. In this sense, novel pairs are good candidates for OFDM applications.

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