Muhammad N. Khan and  Syed O. Gillani and  Mohsin Jamil and  Tarbia Iftikhar,  Multi Antenna Systems for 5G Mobile Phones.   journal   = {International Journal of Electrical and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2018, vol. 136(4). 299 - 306
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10008870.