Waveform design with constellation extension for OFDM dual-functional radar-communications

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dc.authorid0000-0001-5137-8511
dc.authorid0000-0001-9474-7372
dc.contributor.authorMemişoğlu, Ebubekir
dc.contributor.authorYılmaz, Talha
dc.contributor.authorArslan, Hüseyin
dc.date.accessioned2023-06-20T10:00:14Z
dc.date.available2023-06-20T10:00:14Z
dc.date.issued2023
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Elektrik ve Elektronik Mühendisliği Bölümü
dc.description.abstractOrthogonal frequency division multiplexing (OFDM) is widely used and works efficiently for the communication, but emerging applications requires OFDM to be flexible to meet sensing requirements. The time-frequency waveform design of OFDM for dual-functional radar-communications (DFRC) is critical to achieve the future communication and sensing requirements. Therefore, we propose a novel method to minimize Cramér-Rao bounds (CRBs) of the delay and Doppler estimation to improve radar performance of an OFDM DFRC system. Although some methods are proposed in the literature to improve the CRBs, these methods either require feedforward signaling or subcarrier reservation. However, it is possible to exploit the constellation extension of quadrature amplitude modulation (QAM) to achieve lower CRBs without these requirements. Therefore, the proposed method provides a transparent communication along with the CRB minimization for conventional OFDM systems. For the evaluation of the proposed method, CRB and symbol error rate (SER) are considered in the simulation results. Furthermore, the theoretical SER analysis of the proposed method is derived to understand the effects of CRB minimization on the communication performance.
dc.identifier.citationMemişoğlu, E., Yılmaz, T. ve Arslan, H. (2023). Waveform design with constellation extension for OFDM dual-functional radar-communications. IEEE Transactions on Vehicular Technology, 1-10. https://dx.doi.org/10.1109/TVT.2023.3281130
dc.identifier.doi10.1109/TVT.2023.3281130
dc.identifier.endpage10
dc.identifier.issn0018-9545
dc.identifier.scopus2-s2.0-85161025711
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttps://dx.doi.org/10.1109/TVT.2023.3281130
dc.identifier.urihttps://hdl.handle.net/20.500.12511/11110
dc.identifier.wos001142619500034en_US
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorMemişoğlu, Ebubekir
dc.institutionauthorYılmaz, Talha
dc.institutionauthorArslan, Hüseyin
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE Transactions on Vehicular Technologyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectOFDM
dc.subjectDual-Function Radar-Communications
dc.subjectWaveform Design
dc.subjectConstellation Extension
dc.subjectQAM
dc.subjectPower Optimization
dc.subjectCramer-Rao Bound (CRB)
dc.titleWaveform design with constellation extension for OFDM dual-functional radar-communications
dc.typeArticle

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