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Towards the Quality of Service for VoIP Traffic in IEEE 802.11 Wireless Networks

Towards the Quality of Service for VoIP Traffic in IEEE 802.11 Wireless Networks. Sangho Shin PhD candidate Computer Science Columbia University. Internet. IP GW. WIFI. VoIP over WLANs. WIFI. Problems on VoIP in WLANs. User mobility: Handoff. Theater. Stadium. WIFI.

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Abstract

User space. Coop Manager. R-MN. DHCP client. Stations. WPA supplicant. Handoff without authentication. AP. NET_INFO_REQ. 1400. 1210.0. 1200. NET_INFO_RESP. DHCP Server. RN data packets + relayed data packets. R-MN. A-STA. 802.11i authentication packets. 1000.

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