在無線行動網路中，行動站台的能源使用效率一直以來是備受
重視的問題，為了減少無線通訊裝置的能源消耗，IEEE 802.16
工作小組在IEEE 802.16e 標準中定義了節能類別來實現睡眠
模式的運作。然而，封包的排程方法與睡眠模式的運作方式
對於行動站台的能源消耗會產生很大的影響。為了使行動站台
的能源使用更有效率，本論文提出一個整合封包排程與睡眠
模式控制的演算法，稱為IPSS(Integrated Power Saving
Schedule)；此演算法將依據連線的QoS需求預先決定行動站台的
頻寬分配，藉此管理睡眠模式的運作以及封包排程的優先順序，
減少行動站台閒置的時間。本論文最後使用Qualnet 網路模擬器
驗證IPSS 演算法的節能效果。

The energy utilization of mobile devices is an important
issue to be resolved in wireless networks. Due to energy
saving purpose, IEEE 802.16 Working Group specifies power
saving class to implement sleep mode in IEEE 802.16
networks. However, the packet schedule and sleep mode’s
operation have a serious influence on power saving of
mobile devices. Therefore, the thesis proposes an
integrated algorithm called Integrated Power Saving
Schedule (IPSS) to schedule packet and manage the
operations of sleep mode for improving the energy
efficiency of mobile devices. IPSS pre-reserves the
bandwidth allocation for MSs to arrange sleep mode’s
operation and the priority order of packet scheduling,
which is dependent on the QoS constraint of various
connections. Finally, the numerical results obtained by
using a Qualnet simulator confirm that IPSS algorithm
efficiently reduce the power consumption in IEEE 802.16
networks while satisfying the QoS constraint.

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