Luz, A., Cercas, F., Sebastião, P. & Dinis, R. (2014). On the design of spreading sequences for CDMA systems with nonlinear OQPSK-type modulations. Proceedings of the 4th International Conference on Wireless Communications, Vehicular Technology, Information Theory and Aerospace & Electronic Systems (VITAE). IEEE. https://doi.org/10.1109/VITAE.2014.6934506