1. Pack, S., Choi, J., Kwon, T., Choi, Y.: Fast handoff support in IEEE802.11 wireless networks. IEEE Communications Surveys and Tutorials 9(1), 2–12 (2007)
2. Wu, H., Tan, K., Zhang, Y., Zhang, Q.: Proactive scan: Fast handoff with smart triggers for 802.11 wireless LAN. In: IEEE INFOCOM, Anchorage, Alaska (2007)
3. Sunghyun, C., Javier, P., Sai, S., Stefan, M.N.: IEEE802.11e contention-based channel access (edcf) performance evaluation. In: IEEE International Conference on Communications, Anchorage, Alaska (2003)
4. Clark, A.: Extensions to the E-model to incorporate the effects of time varying packet loss and recency. T1A1.1/2001-037 (2001)
5. ITU: ITU-T recommendation G.113: Transmission impairments due to speech processing (2007)