1. Yoon, D., Kee, C., Seo, J., Park, B.: Position accuracy improvement by implementing the DGNSS-CP algorithm in smartphones. Sensors 16(6), 910 (2016)
2. KhademSohi, H., Sharifian, S., Faez, K.: Accuracy-energy optimized location estimation method for mobile smartphones by GPS/INS data fusion. In: International Conference of Signal Processing and Intelligent Systems (ICSPIS), pp. 1–5. IEEE, Piscataway (2016).
3. Bonebrake, C., O’Neil, L.R.: Attacks on gps time reliability. IEEE Secur. Privacy 12(3), 82–84 (2014)
4. Shepard, D.: Characterization of receiver response to spoofing attacks. PhD dissertation. The University of Texas at Austin (2011)
5. O’Hanlon, B.W., Psiaki, M.L., Humphreys, T.E., Bhatti, J.A.: Real-time spoofing detection using correlation between two civil GPS receiver. In: Proceedings of the ION GNSS Meeting, Nashville, pp. 3584–3590. Proceedings of the 25th International Technical Meeting of The Satellite Division of the Institute of Navigation. Institute of Navigation, Virginia (2012)