An integrated power saving scheduling algorithm in 802.16e wireless metropolitan area networks

Authors:
Wen-Hwa Liao;Nien-Tsung Lee
Affiliations:
Tatung University, Taipei, Taiwan;Tatung University, Taipei, Taiwan
Venue:
Mobility '08 Proceedings of the International Conference on Mobile Technology, Applications, and Systems
Year:
2008

Citing 2
Cited 1

Radio resource management of heterogeneous services in mobile WiMAX systems [Radio Resource Management and Protocol Engineering for IEEE 802.16]

IEEE Wireless Communications
A Survey on Mobile WiMAX [Wireless Broadband Access]

IEEE Communications Magazine

Power saving for multicast streaming services in mobile WiMAX networks

Proceedings of the 6th International Wireless Communications and Mobile Computing Conference

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Abstract

In IEEE 802.16e, with the popularization of multimedia services, multicast and unicast services are coexisted in one mobile subscriber stations (MSS). The mobile devices generally powered by energy-limited battery. Thus, the power saving is the important issue of extending the lifetime of MSSs. In this paper we have proposed a Multicast Services Based Scheduling (MSBS) algorithm that improves energy efficiency for both unicast and multicast services, and conforms QoS requirements of MSSs in 802.16e wireless networks. MSBS controls packets based on a deadline for each packet determined from QoS parameters and reduces energy consumption of MSSs by minimizing the energy for switching. Simulation results show that, MSBS can produce significant overall energy saving and prolonged lifetime of the MSSs.