Chen Sun and  Nemai Chandra Karmakar,  Direction of Arrival Estimation Based on a Single Port Smart Antenna Using MUSIC Algorithm with Periodic Signals.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 1698 - 1707
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/8581.