Yong-Jun Kim and  Jae-Hyun Ro and  Chang-Bin Ha and  Hyoung-Kyu Song,  Efficient Variable Modulation Scheme Based on Codebook in the MIMO-OFDM System.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2015, vol. 103(7). 1712 - 1715
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10002212.