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Noncoherent sequence detection of orthogonallymodulated signals in flat fading with log-linear complexity

Alevizos Panagiotis, Fountzoulas Ioannis, Karystinos Georgios

Απλή Εγγραφή

URIhttp://purl.tuc.gr/dl/dias/D8BA2AB9-9753-406E-9827-D8D6AB1164AE-
Αναγνωριστικόhttps://doi.org/10.1109/ICASSP.2015.7178516-
Γλώσσαen-
ΤίτλοςNoncoherent sequence detection of orthogonally modulated signals in flat fading with log-linear complexityen
ΔημιουργόςAlevizos Panagiotisen
ΔημιουργόςΑλεβιζος Παναγιωτηςel
ΔημιουργόςFountzoulas Ioannisen
ΔημιουργόςΦουντζουλας Ιωαννηςel
ΔημιουργόςKarystinos Georgiosen
ΔημιουργόςΚαρυστινος Γεωργιοςel
ΕκδότηςInstitute of Electrical and Electronics Engineersen
ΠερίληψηFrequency-shift keying (FSK) is an orthogonal modulation technique that is primarily used in relatively low-rate communication systems that operate in the power-limited regime. Optimal noncoherent detection of FSK takes the form of sequence detection and has exponential complexity in the sequence length when implemented through an exhaustive search among all possible sequences. In this work, for the first time in the literature, we present an algorithm that performs generalized-likelihood-ratio-test (GLRT) optimal noncoherent sequence detection of orthogonally modulated signals in flat fading with log-linear complexity in the sequence length. Moreover, for Rayleigh fading channels, the proposed algorithm is equivalent to the maximum-likelihood (ML) noncoherent sequence detector. Finally, we show that our algorithm also solves efficiently the optimal noncoherent sequence detection problem in contemporary radio-frequency-identification (RFID) systems.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by-nc-nd/4.0/en
Ημερομηνία2015-11-10-
Ημερομηνία Δημοσίευσης2015-
Βιβλιογραφική Αναφορά P. N. Alevizos, Y. Fountzoulas, G. N. Karystinos, and A. Bletsas, “Noncoherent sequence detection of orthogonally modulated signals in flat fading with log-linear complexity,” in Proc. IEEE ICASSP 2015 - Intern. Conf. Acoust., Speech and Signal Proc., pp. 2974-2978, doi: 10.1109/ICASSP.2015.7178516en

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