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Novel method for blind constellation detection using template based classifier for quadrature digital modulation schemes.
KTH, Skolan för elektro- och systemteknik (EES), Signalbehandling.ORCID-id: 0000-0002-4265-9490
2011 (Engelska)Ingår i: IEEE 2011 10th International Conference on Electronic Measurement and Instruments, ICEMI 2011, 2011, s. 1-4Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

Template based classifiers are very popular classifiers in biomedical and computer vision area. In computer vision they are typically used to understand or classify the scenes captured by camera. In biomedical field they are typically used to provide non-intrusive disease identification. For example to classify a tissue samples as cancerous or not. In this paper we apply the learnings of this area to device an algorithm for automatic modulation detection problem. Automatic modulation detection problem in communication receivers involves auto detecting the modulation scheme from the received samples at the communication receiver without the prior knowledge of the encoded modulation scheme. The method can efficiently recognize almost all quadrature digital modulation schemes and the accuracy rate is over 95% at the SNRs of 4.5 dB with as low as 512 bits. The performance of this algorithm is evaluated using simulations on LabVIEW.

Ort, förlag, år, upplaga, sidor
2011. s. 1-4
Serie
International Conference on Electronic Measurement & Instruments ; 10
Nyckelord [en]
ccuracy, Binary phase shift keying, Classification algorithms, Instruments, Noise
Nationell ämneskategori
Signalbehandling
Identifikatorer
URN: urn:nbn:se:kth:diva-119861DOI: 10.1109/ICEMI.2011.6037934Scopus ID: 2-s2.0-80054927451ISBN: 978-1-4244-8158-3 (tryckt)OAI: oai:DiVA.org:kth-119861DiVA, id: diva2:612744
Konferens
IEEE 2011 10th International Conference on Electronic Measurement and Instruments, ICEMI 2011; Chengdu; China; 16 August 2011 through 18 August 2011
Anmärkning

QC 20150708

Tillgänglig från: 2013-03-24 Skapad: 2013-03-24 Senast uppdaterad: 2015-07-08Bibliografiskt granskad

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Yajnanarayana, Vijaya

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