1. IEEE Std 802.11-1999, Part 11: Wireless LAN MAC and Physical Layer specifications. Reference number ISO/IEC 8802-11:1999(E)
2. Veeraraghavan, M., Cocker, N., Moors, T.: Support of Voice Services in IEEE 802.11 Wireless LANs. In: Proceedings of INFOCOM 2001, Alaska (April 2001)
3. Chen, D.-Y., Garg, S., Kappes, M., Trivedi, K.S.: Supporting VBR VoIP traffic with IEEE 802.11 WLAN in PCF mode. In: Proceedings of OPNETWork 2002, Washington D.C. (August 2002)
4. IEEE 802.11e/D4.0. Wireless MAC and Physical Layer specifications: MAC Enhancements for QoS (November 2002)
5. ITU-T. One-Way Transmission Time. Recommendation G.114 (February 1996)