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A new approach to the design of MAC protocols for wireless LANs: combining QoS guarantee with power saving

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4 Author(s)
Lagkas, T.D. ; Dept. of Informatics, Aristotelian Univ., Thessaloniki ; Papadimitriou, G.I. ; Nicopolitidis, P. ; Pomportsis, A.S.

An alternative WLAN protocol which could be adapted in the HCF access scheme defined by IEEE 802.11e, in place of the HCCA mechanism, is introduced. LEPOAC-QG (low energy priority oriented adaptive control with QoS guarantee) is a centralized access mechanism that supports low energy consumption, guarantees QoS for all types of multimedia network applications, enhances the parameterized traffic with priorities, and supports time division access. It instantly negotiates the quality levels of the traffic streams trying to support multiple streams with best possible quality. LEPOAC-QG, compared with HCCA, exhibits generally superior performance.

Published in:

Communications Letters, IEEE  (Volume:10 ,  Issue: 7 )