Marpanaji, E., Trilaksono, B. R., R. Langi, A. Z., Kurniawan, A., Mahendra, A. and Liung, T. (2013) “Experimental Study of DQPSK Modulation on SDR Platform”, Journal of ICT Research and Applications, 1(2), pp. 84-98. doi: 10.5614/itbj.ict.2007.1.2.2.