Ge, Lijun, Xiaoying Li, and Xiaoxiao Wang. “Design of GMSK Frequency Hopping Modulation Scheme Based on FPGA”. American Scientific Research Journal for Engineering, Technology, and Sciences 47, no. 1 (September 25, 2018): 28–38. Accessed May 6, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4375.