Autors: Iliev, G. L., Nikolova, Z. V., Poulkov, V. K., Stoyanov, G. K.
Title: Noise Cancellation in OFDM Systems Using Adaptive Complex Narrowband IIR Filtering
Keywords: Noise cancellation; OFDM; Adaptive systems; Narrowband; Adaptive filters; IIR filters; Band pass filters; Bit error rate; Filtering; Tuning

Abstract: In this paper a very low sensitivity fourth-order complex band-pass filter section with independent tuning of the central frequency and the bandwidth is developed. A narrowband adaptive filter structure is formed around this section, using LMS algorithm to adapt the central frequency. The developed filter structure is providing a low computational complexity and a very fast convergence. We use this adaptive complex filter for noise cancellation in an OFDM transmission scheme and show that under certain conditions SNR gain and better bit error rate (BER) performance can be achieved.



    in Proceedings of IEEE International Conference on Communications, 11-15 June 2006, pp. 2859-2863, 2006, Turkey, DOI 10.1109/ICC.2006.255214

    Copyright IEEE

    Цитирания (Citation/s):
    1. Damyan Damyanov, Vassil Galabov, Identification of Bulgarian speech based on speech production properties, Proceedings of the XI-th International Conference “Cognitive Modeling in Linguistics” - CML 2009, Constanta, Romania, vol.1, pp. 302-313, 7-14 Sept. 2009 - 2009 - от чужди автори в чужди издания, неиндексирани в Scopus или Web of Science
    2. Saša Nikolić, Goran Stančić, Stevica Cvetković, Realization of Digital Filters with Complex Coefficients, FACTA UNIVERSITATIS, Series: Automatic Control and Robotics, Vol. 17, No 1, 2018, pp. 25 – 38, UDC (621.372.852.1:512.732); ISSN 1820-6417 (print); ISSN 1820-6425 - 2018 - от чужди автори в чужди издания, неиндексирани в Scopus или Web of Science

    Вид: публикация в международен форум, публикация в реферирано издание, индексирана в Scopus и Web of Science