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Rapidly varying sparse channel tracking with hybrid Kalman-OMP algorithm

  • Ayşe Betül Büyükşar*
  • , Habib Şenol
  • , Serhat Erküçük
  • , Hakan Ali Çırpan
  • *Bu çalışma için yazışmadan sorumlu yazar
  • Kadir Has University

Araştırma sonucu: Kitap/Rapor/Konferans Bildirisinde BölümKonferans katkısıbilirkişi

Özet

It is expected from future communication standards that channel estimation algorithms should be able to operate over very fast varying frequency selective channel models. Therefore, in this study autoregressive (AR) modeled fast varying channel has been considered and tracked with Kalman filter over one orthogonal frequency division multiplexing (OFDM) symbol. Channel sparsity is exploited which decreases the complexity requirements of the Kalman algorithm. Since Kalman filter is not directly applicable to sparse channels, orthogonal matching pursuit (OMP) algorithm is modified for AR modeled sparse signal estimation. Also, by using windows, sparsity detection errors have been decreased. The simulation results showed that sparse fast varying channel can be tracked with the proposed hybrid Kalman-OMP algorithm and windowing method offers improved MSE results.

Orijinal dilİngilizce
Ana bilgisayar yayını başlığıInternational Telecommunications Conference - Proceedings of the ITelCon 2017
EditörlerAli Boyaci, Ali Riza Ekti, Muhammed Ali Aydin, Serhan Yarkan
YayınlayanSpringer Verlag
Sayfalar289-298
Sayfa sayısı10
ISBN (Basılı)9789811304071
DOI'lar
Yayın durumuYayınlandı - 2019
Etkinlik1st International Telecommunications Conference, ITelCon 2017 - İstanbul, Türkiye
Süre: 28 Ara 201729 Ara 2017

Yayın serisi

AdıLecture Notes in Electrical Engineering
Hacim504
ISSN (Basılı)1876-1100
ISSN (Elektronik)1876-1119

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???event.eventtypes.event.conference???1st International Telecommunications Conference, ITelCon 2017
Ülke/BölgeTürkiye
Şehirİstanbul
Periyot28/12/1729/12/17

Bibliyografik not

Publisher Copyright:
© 2019, Springer Nature Singapore Pte Ltd.

Finansman

Acknowledgements This study is supported by The Scientific and Technological Research Council of Turkey (TUBITAK) under project no. 114E298.

FinansörlerFinansör numarası
TUBITAK114E298
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

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