Daehyoung Kim and  Pervez Khan and  Hoon Kim,  An Adaptive Opportunistic Transmission for Unlicensed Spectrum Sharing in Heterogeneous Networks.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2016, vol. 113(5). 693 - 697
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10004604.