Optimized punctured ZCZ sequence-pair set: design, analysis, and application to radar system

Authors:
Lei Xu;Qilian Liang
Affiliations:
Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX;Department of Electrical Engineering, University of Texas at Arlington, Arlington, TX
Venue:
EURASIP Journal on Wireless Communications and Networking - Special issue on radar and sonar sensor networks
Year:
2010

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Abstract

Based on the zero correlation zone (ZCZ) concept, we present the definitions and properties of a set of new ternary codes, ZCZ sequence-Pair Set (ZCZPS), and propose a method to use the optimized punctured sequence-pair along with Hadamard matrix to construct an optimized punctured ZCZ sequence-pair set (OPZCZPS) which has ideal autocorrelation and cross-correlation properties in the zero correlation zone. Considering the moving target radar system, the correlation properties of the codes will not be severely affected when Doppler shift is not large. We apply the proposed codes as pulse compression codes to radar system and the simulation results show that optimized punctured ZCZ sequence-pairs outperform other conventional pulse compression codes, such as the well-known polyphase code--P4 code.