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End-to-end layered asynchronous scheduling scheme for energy aware QoS provision in asymmetrical wireless devices

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2 Author(s)
Mavromoustakis, C.X. ; Dept. of Comput. Sci., Univ. of Nicosia, Nicosia ; Karatza, H.D.

In order to establish and maintain a quality of service (QoS) framework in wireless network, a major requirement is to prolong network lifetime, with simultaneous preservation of other major requirements like coverage, connectivity and adequate resources. In this work an approach is proposed which on a periodic basis it schedules the interfaces into active and inactive phases by using a layered state model and a tiered-based architecture. The model takes into account metrics like the signal strength and devices' capacity limitations, and encompasses them into the layered asynchronous scheduling scheme for end-to-end reliability and performance measures extraction. Each device schedules the next state (active, semi-sleep or sleep state) according to traffic and channel data rate measures, combined with the layered state scheme. Through the designed tiered architecture, and through experimental simulation, the proposed QoS energy-aware management scheme is thoroughly evaluated in order to meet the parameters' values where the optimal QoS and throughput response for each device/user is achieved.

Published in:

Enterprise Distributed Object Computing Conference Workshops, 2008 12th

Date of Conference:

16-16 Sept. 2008