WASET
    V. Prapulla and  A. Mitra and  R. Bhattacharjee and  S. Nandi,  A Simplified Adaptive Decision Feedback Equalization Technique for π/4-DQPSK Signals.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2008, vol. 24(12). 2726 - 2733
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/1986.