Packet telephony support for the IEEE 802.11 wireless LAN

Packet telephony support for the IEEE 802.11 wireless LAN

Packet telephony is one of the most promising applications in the Internet. In this paper, we propose a modified MAC protocol supporting voice traffic over the IEEE 802.11 WLAN. The proposed scheme adapts the power-saved mode of the IEEE 802.11 specifications in such a way that it approaches the TDM...

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Veröffentlicht in:IEEE communications letters 2000-09, Vol.4 (9), p.286-288
Hauptverfasser: Hung-Huang Liu, Wu, J.-L.C.
Format: Artikel
Sprache:eng
Schlagworte:
Access methods and protocols, osi model
Access protocols
Applied sciences
Degradation
Delay effects
Equipments and installations
Exact sciences and technology
Internet
Internet telephony
Local area networks
Media Access Protocol
Mobile radiocommunication systems
Payloads
Quality of service
Radiocommunications
Specifications
Telecommunications
Telecommunications and information theory
Telephony
Teleprocessing networks. Isdn
Time division multiplexing
Traffic control
Traffic engineering
Traffic flow
Voice
Wireless communication
Wireless LAN
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Beschreibung
Zusammenfassung:Packet telephony is one of the most promising applications in the Internet. In this paper, we propose a modified MAC protocol supporting voice traffic over the IEEE 802.11 WLAN. The proposed scheme adapts the power-saved mode of the IEEE 802.11 specifications in such a way that it approaches the TDM access mode carrying voice traffic, and is compatible with the IEEE 802.11 standard. Simulation results show that the proposed scheme does not degrade the performance of the IEEE 802.11 WLAN using the DCF and also provides good voice quality.
ISSN:1089-7798
1558-2558
DOI:10.1109/4234.873488