A. Rämö and H. Toukomaa, Voice Quality, Characterization of IETF Opus Codec, INTERSPEECH, vol.2011, pp.2541-2544

E. Kim, M. Kim, S. Youm, S. Choi, and C. Kang, Priority-based service differentiation scheme for IEEE 802.15.4 sensor networks, AEU - International Journal of Electronics and Communications, vol.61, issue.2, pp.69-81, 2007.
DOI : 10.1016/j.aeue.2006.02.004