Bit-Na Kwon and  Dong-Hyun Ha and  Hyoung-Kyu Song,  A Cooperative Transmission Scheme Using Two Sources Based On OFDM System.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 91 - 94
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10000167.