Keunhong Chae and  Seokho Yoon,  A Robust Frequency Offset Estimator for Orthogonal Frequency Division Multiplexing.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 100(4). 210 - 213
    [viewed 21 October 2019]. Available from: https://publications.waset.org/pdf/10000988.