A power saving scheduling algorithm for multiple MSSs in large-scale IEEE 802.16e environments

Authors:
Huai-Sheng Huang;Yu-Jen Chen;Shih-Lin Wu;Jen-Jee Chen
Affiliations:
Chang Gung University, Kweishan Taoyuan, Taiwan;Chang Gung University, Kweishan Taoyuan, Taiwan;Chang Gung University, Kweishan Taoyuan, Taiwan;National Chiao Tung University, Hsinchu, Taiwan
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

Citing 7
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Abstract

Power Saving Class (PSC) is an essential issue on IEEE 802.16--2009. In previous research, many algorithms had been proposed to reduce the consumption of power, but most of them only considered multiple connections in a Mobile Subscriber Station (MSS); in fact, it does not fit in with the situation of real world. On the contrary, others proposed algorithms considering the situation of multiple MSSs with multiple connections; nevertheless, it is difficult to increase the amount of MSSs. In this paper, we propose an efficient algorithm, which refers to both categories and avoids state transitions. When packet size is much smaller or delay bound is more loosening, the result shows that our scheduling algorithm can serve almost double multiple MSSs with multiple connections and still maintain high sleep ratio for energy efficiency.