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Conference Paper
Improving Power Savings by Using Adaptive Initial-Sleep Window in IEEE802.16e
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- Authors
- Seung Kwon Cho, Young Il Kim
- Issue Date
- 2007-04
- Citation
- Vehicular Technology Conference (VTC) 2007 (Spring), pp.1321-1325
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we propose an adaptive initial-sleep window scheme applicable to both Power Saving Class of type I and type II in IEEE802.16e. Based on the estimated inter-arrival time of packet burst, the presented scheme adaptively updates the length of the initial-sleep window in order to maximize power-saving effect while trying to minimize packet buffering delay. The computer simulations are carried out for web browsing and streaming video, the most typical BE service in Power Saving Class of Type I and RT-VR service in Power Saving Class of type II, respectively. The simulations show that the proposed scheme improves the power-saving effect in terms of the awake rate and the normalized active time while suppressing the increase in the mean packet delay. © 2007 IEEE.
- KSP Keywords
- Buffering delay, Computer simulation(MC and MD), Mean packet delay, Packet buffering, Power saving class, Sleep window, Streaming video, Type II, Web browsing, inter-arrival time