1. Duguay, D.: Mobile Earth Stations. https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01767.html
2. Maritime Mobile Earth Stations (MMESs) operating in the 1,5/1,6 GHz bands providing Low Bit Rate Data Communications (LBRDCs) for the Global Maritime Distress and Safety System (GMDSS), ETSI TC-SES. http://www.etsi.org/deliver/etsi_i_ets/300400_300499/300460/01_60/ets_300460e01p.pdf
3. Johnson, M.A., Moradi, M.H., Crowe, J.: PID Control: New Identification and Design Methods. Springer, New York (2005)
4. Chan, Y.F., Moallem, M., Wang, W.: Efficient implementation of PID control algorithm using FPGA technology. In: 43rd IEEE Conference on Decision and Control, pp. 4885–4890 (2004)
5. Kim, J.S., Jeon, H.W., Jeung, S.: Hardware implementation of nonlinear PID controller with FPGA based on floating point operation for 6-DOF manipulator robot arm. In: IEEE International Conference on Control Automation and Systems (ICROS), Seoul, Korea, pp. 1066–1071 (2007)