TY - GEN
T1 - A Resistance Frequency Offset Synchronization Scheme Based on the Zadoff-Chu Conjugate Sequence
AU - Ma, Cong
AU - Sha, Xuejun
AU - Li, Yong
AU - Lin, Xu
N1 - Publisher Copyright:
© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019.
PY - 2019
Y1 - 2019
N2 - Zadoff-Chu (ZC) sequences have been used as synchronization sequences in many wireless communication systems because of their perfect correlation properties. However, almost all of these ideal characteristics are based on the assumption of zero carrier frequency offset (CFO). Under large frequency offset circumstances, the perfect autocorrelation property of ZC sequence is destroyed, where the main correlation peak is decreasing while the vice peak is increasing, consequently degrading the timing performance. In this paper, the autocorrelation of the ZC sequence and its conjugate sequence are investigated, and the symmetry between the modulus values of their autocorrelation functions is developed as well. Taking advantage of this symmetry, a novel training sequence composed of ZC sequence and ZC conjugate sequence is proposed. Also proposed is a corresponding synchronization scheme enabling robust timing synchronization based on the ZC sequence and ZC conjugate sequence at the receiver in the presence of large CFO.
AB - Zadoff-Chu (ZC) sequences have been used as synchronization sequences in many wireless communication systems because of their perfect correlation properties. However, almost all of these ideal characteristics are based on the assumption of zero carrier frequency offset (CFO). Under large frequency offset circumstances, the perfect autocorrelation property of ZC sequence is destroyed, where the main correlation peak is decreasing while the vice peak is increasing, consequently degrading the timing performance. In this paper, the autocorrelation of the ZC sequence and its conjugate sequence are investigated, and the symmetry between the modulus values of their autocorrelation functions is developed as well. Taking advantage of this symmetry, a novel training sequence composed of ZC sequence and ZC conjugate sequence is proposed. Also proposed is a corresponding synchronization scheme enabling robust timing synchronization based on the ZC sequence and ZC conjugate sequence at the receiver in the presence of large CFO.
KW - Resistance frequency offset
KW - Synchronization method
KW - Zadoff-Chu sequences
UR - https://www.scopus.com/pages/publications/85069537102
U2 - 10.1007/978-3-030-22968-9_24
DO - 10.1007/978-3-030-22968-9_24
M3 - 会议稿件
AN - SCOPUS:85069537102
SN - 9783030229672
T3 - Lecture Notes of the Institute for Computer Sciences, Social-Informatics and Telecommunications Engineering, LNICST
SP - 270
EP - 276
BT - Artificial Intelligence for Communications and Networks - 1st EAI International Conference, AICON 2019, Proceedings
A2 - Han, Shuai
A2 - Ye, Liang
A2 - Meng, Weixiao
PB - Springer Verlag
T2 - 1st EAI International Conference on Artificial Intelligence for Communications and Networks, AICON 2019
Y2 - 25 May 2019 through 26 May 2019
ER -