Range estimation in multicarrier systems in the presence of interference: performance limits and optimal signal design

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buir.contributor.authorGezici, Sinan
dc.citation.epage3331en_US
dc.citation.issueNumber10en_US
dc.citation.spage3321en_US
dc.citation.volumeNumber10en_US
dc.contributor.authorKarisan, Y.en_US
dc.contributor.authorDardari, D.en_US
dc.contributor.authorGezici, Sinanen_US
dc.contributor.authorD'Amico, A. A.en_US
dc.contributor.authorMengali, U.en_US
dc.date.accessioned2016-02-08T09:50:42Z
dc.date.available2016-02-08T09:50:42Z
dc.date.issued2011en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractTheoretical limits on time-of-arrival (equivalently, range) estimation are derived for multicarrier systems in the presence of interference. Specifically, closed-form expressions are obtained for Cramer-Rao bounds (CRBs) in various scenarios. In addition, based on CRB expressions, an optimal power allocation (or, spectrum shaping) strategy is proposed. This strategy considers the constraints not only from the sensed interference level but also from the regulatory emission mask. Numerical results are presented to illustrate the improvements achievable with the optimal power allocation scheme, and a maximum likelihood time-of-arrival estimation algorithm is studied to assess the effects of the proposed approach in practical estimators.en_US
dc.description.provenanceMade available in DSpace on 2016-02-08T09:50:42Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 70227 bytes, checksum: 26e812c6f5156f83f0e77b261a471b5a (MD5) Previous issue date: 2011en
dc.description.sponsorshipEuropean Commissionen_US
dc.identifier.doi10.1109/TWC.2011.072511.101844en_US
dc.identifier.issn1536-1276
dc.identifier.urihttp://hdl.handle.net/11693/21754
dc.language.isoEnglishen_US
dc.publisherIEEEen_US
dc.relation.isversionofhttp://dx.doi.org/10.1109/TWC.2011.072511.101844en_US
dc.source.titleIEEE Transactions on Wireless Communicationsen_US
dc.subjectCognitive radioen_US
dc.subjectCramer-Rao bound (CRB)en_US
dc.subjectInterferenceen_US
dc.subjectOrthogonal frequency division multiplexing (OFDM)en_US
dc.subjectRangingen_US
dc.subjectTime-of-arrival (TOA) estimationen_US
dc.titleRange estimation in multicarrier systems in the presence of interference: performance limits and optimal signal designen_US
dc.typeArticleen_US

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