SDHT for Fast Detection of Weak GNSS Signals

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dc.contributor.authorKong, Seung-Hyunko
dc.date.accessioned2016-04-20T06:13:59Z-
dc.date.available2016-04-20T06:13:59Z-
dc.date.created2015-11-30-
dc.date.created2015-11-30-
dc.date.issued2015-11-
dc.identifier.citationIEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, v.33, no.11, pp.2366 - 2378-
dc.identifier.issn0733-8716-
dc.identifier.urihttp://hdl.handle.net/10203/205187-
dc.description.abstractSuccessful and fast Global Navigation Satellite System (GNSS) positioning in indoor environments can enable many location based services (LBS). However, fast indoor GNSS positioning has been one of the biggest challenges for GNSS receivers due to the huge computational cost. To detect weak GNSS signals in indoor environments, a GNSS receiver should perform numerous correlations with a longer coherent integration interval for a denser Doppler frequency search, which is computationally too expensive. For a fast and low computational weak GNSS signal detection, we propose the synthesized Doppler frequency hypothesis testing (SDHT) technique that, utilizing the test results of only sparse Doppler frequency hypotheses, can estimate the test results of entire Doppler frequency hypotheses with small computations. We provide theoretical performance analysis of the proposed technique and demonstrate that the proposed technique reduces the computational cost for weak GNSS signal acquisition significantly and achieves faster signal acquisition than conventional techniques.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectPN-CODE ACQUISITION-
dc.subjectGPS-
dc.titleSDHT for Fast Detection of Weak GNSS Signals-
dc.typeArticle-
dc.identifier.wosid000363238300009-
dc.identifier.scopusid2-s2.0-84945157454-
dc.type.rimsART-
dc.citation.volume33-
dc.citation.issue11-
dc.citation.beginningpage2366-
dc.citation.endingpage2378-
dc.citation.publicationnameIEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS-
dc.identifier.doi10.1109/JSAC.2015.2430291-
dc.contributor.localauthorKong, Seung-Hyun-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorIndoor GNSS-
dc.subject.keywordAuthorlow computational detection-
dc.subject.keywordAuthorsensitivity enhancement-
dc.subject.keywordAuthorDoppler frequency-
dc.subject.keywordPlusPN-CODE ACQUISITION-
dc.subject.keywordPlusGPS-
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