Providing Delay Guarantees and Power Saving in IEEE 802.11e Network | Zendy

Gennaro Boggia | Zendy; P. Camarda | Zendy; Fausto Favia | Zendy; Luigi Alfredo Grieco | Zendy; Saverio Mascolo | Zendy

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Providing Delay Guarantees and Power Saving in IEEE 802.11e Network

Author(s) -

Gennaro Boggia,

P. Camarda,

Fausto Favia,

Luigi Alfredo Grieco,

Saverio Mascolo

Publication year - 2005

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

ISBN - 3-540-25899-X

DOI - 10.1007/11424505_31

Subject(s) - computer science , quality of service , power (physics) , computer network , power saving , channel (broadcasting) , bounded function , ieee 802 , energy (signal processing) , real time computing , distributed computing , mathematical analysis , statistics , mathematics , physics , quantum mechanics

Recently, the 802.11e Working Group (WG) has proposed the Hybrid Coordination Function (HCF), which has a HCF Controlled Channel Access (HCCA) and an Enhanced Distributed Coordination Access (EDCA), in order to provide QoS in WLANs. In this paper an innovative HCCA-based algorithm, which will be referred to as Power Save Feedback Based Dynamic Scheduler (PS FBDS) providing bounded delays while ensuring energy saving, has been developed. The performance of PS FBDS has been extensively investigated using ns-2 simulations; results show that the proposed algorithm is able to provide a good trade-off between QoS and power saving at both low and high network loads.

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