Phase Coded Waveform Design for Sonar Sensor Network

Authors:
Lei Xu;Qilian Liang;Xiaorong Wu;Baoju Zhang
Affiliations:
Department of Electrical Engineering, University of Texas at Arlington, Arlington, USA 76010;Department of Electrical Engineering, University of Texas at Arlington, Arlington, USA 76010;College of Physics and Electronic Information, Tianjin Normal University, Tianjin, China 300387;College of Physics and Electronic Information, Tianjin Normal University, Tianjin, China 300387
Venue:
Mobile Networks and Applications
Year:
2013

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Abstract

Since it is known that interference with each sonar sensor could be effectively reduced when waveforms are appropriately designed for a Sonar Sensor Network (SSN), we provide a set of new ternary codes called optimized punctured Zero Correlation Zone sequence-pair set (ZCZPS) and provide a method to construct such codes. We study the codes' properties especially using the ambiguity function to analyze the nature of the output of the matched filter. We apply our provided ternary codes to the SSN as pulse compression codes for narrowband pulse signals and simulate the target detection performance of the system. Comparing with the classical periodic Gold sequences, our codes could improve the system detection performance.