{"title":"Performance Analysis of OTFS Signal with Different Pulse Shapes for JCR Systems","authors":"Olivia Zacharia, V. M","doi":"10.1109/CSPA55076.2022.9781902","DOIUrl":null,"url":null,"abstract":"The integration of radars and communication systems has become inevitable due to the need for sharing the radar spectrum with communication systems as the communication spectrum is being congested due to the increased number of connected devices. The recently evolved orthogonal time frequency space (OTFS) modulation scheme was found to be very efficient in designing a joint communication and radar (JCR) waveform. We propose a circular-prolate pulse shape (CPPS) for the OTFS modulation scheme and perform a comparative analysis of various existing pulse shapes for OTFS in terms of bit error rate (BER) and out-of-band (OoB) power radiation. We then investigate the application of the proposed pulse shape in an OTFS based JCR system by providing simulation results for a linear minimum mean square error (LMMSE) communication data receiver and both generalized likelihood ratio test detector (GLRT) and matched filter detector for target parameter estimation. Results show that the proposed CPPS OTFS has the least OoB compared to the other pulse shapes while being able to provide a BER performance similar to that of the existing pulse shapes like the discrete prolate spheroidal pulse shape (DPSPS) and the circular Dirichlet pulse shape (CDPS).","PeriodicalId":174315,"journal":{"name":"2022 IEEE 18th International Colloquium on Signal Processing & Applications (CSPA)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2022 IEEE 18th International Colloquium on Signal Processing & Applications (CSPA)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CSPA55076.2022.9781902","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
The integration of radars and communication systems has become inevitable due to the need for sharing the radar spectrum with communication systems as the communication spectrum is being congested due to the increased number of connected devices. The recently evolved orthogonal time frequency space (OTFS) modulation scheme was found to be very efficient in designing a joint communication and radar (JCR) waveform. We propose a circular-prolate pulse shape (CPPS) for the OTFS modulation scheme and perform a comparative analysis of various existing pulse shapes for OTFS in terms of bit error rate (BER) and out-of-band (OoB) power radiation. We then investigate the application of the proposed pulse shape in an OTFS based JCR system by providing simulation results for a linear minimum mean square error (LMMSE) communication data receiver and both generalized likelihood ratio test detector (GLRT) and matched filter detector for target parameter estimation. Results show that the proposed CPPS OTFS has the least OoB compared to the other pulse shapes while being able to provide a BER performance similar to that of the existing pulse shapes like the discrete prolate spheroidal pulse shape (DPSPS) and the circular Dirichlet pulse shape (CDPS).