A. Abidin, M. El Soussi, J. Romme, P. Boer, D. Singelée, and C. Bachmann, “Secure, Accurate, and Practical Narrow-Band Ranging System”, TCHES, vol. 2021, no. 2, pp. 106–135, Feb. 2021, doi: 10.46586/tches.v2021.i2.106-135.