Browsing by Subject "Satellite links"

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    Input sequence estimation and blind channel identification in HF communication
    (IEEE, 2000) Khames, Mariam; Miled, B. H.; Arıkan, Orhan
    A new algorithm is proposed for reliable communication over HF tropospheric links in the presence of rapid channel variations. In the proposed approach, using fractionally space channel outputs, sequential estimation of channel characteristics and input sequence is performed by utilizing subspace tracking and Kalman filtering. Simulation based comparisons with the existing algorithms show that the proposed approaches significantly improve the performance of the communication system and enable us to utilize HF communication in bad conditions.