P3-DCF: service differentiation in IEEE 802.11 WLANs using per-packet priorities

P3-DCF: service differentiation in IEEE 802.11 WLANs using per-packet priorities

We introduce P3-DCF, a new quality of service (QoS) mechanism, within the MAC protocol in IEEE 802.11. P3-DCF enhances the distributed coordination function (DCF) for prioritized service in IEEE 802.11. A novel function, the per-packet priority function, integrated to DCF establishes not only a per-...

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Hauptverfasser: Ghamri-Doudane, Y.M., Naja, R., Pujolle, G., Tohme, S.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Access protocols
Communication system traffic control
Computer networks
Computer Science
Delay
Intelligent networks
Laboratories
Media Access Protocol
Quality of service
Traffic control
Wireless LAN
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Naja, R.
Pujolle, G.
Tohme, S.
description We introduce P3-DCF, a new quality of service (QoS) mechanism, within the MAC protocol in IEEE 802.11. P3-DCF enhances the distributed coordination function (DCF) for prioritized service in IEEE 802.11. A novel function, the per-packet priority function, integrated to DCF establishes not only a per-flow differentiation but schedules the packets with an earliest deadline first discipline as well. The simulations carried out show that the enhanced MAC protocol satisfies the maximum tolerable latency of real-time traffics and performs efficient flow differentiation. Moreover, the performance improvement is achieved without affecting the useful throughput.
doi_str_mv 10.1109/VETECF.2003.1286344
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subjects Access protocols
Communication system traffic control
Computer networks
Computer Science
Delay
Intelligent networks
Laboratories
Media Access Protocol
Quality of service
Traffic control
Wireless LAN
title P3-DCF: service differentiation in IEEE 802.11 WLANs using per-packet priorities
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