| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 210.3KB PDF | Date added | 08 Apr 2005 |
| Topics | Wi-Fi (802.11), Wireless LAN, Mobile - Wireless Communications | ||
| Downloads | 230 | ||
Static PSM (Power-Saving Mode) schemes employed in the current IEEE 802.11 implementations could not provide any delay-performance guarantee because of their fixed wakeup intervals. This paper proposes a Smart PSM (SPSM) scheme, which directs a wireless station to sleep/wake up according to an "optimal" sequence, such that the desired delay performance is guaranteed with minimum energy consumption. Instead of constructing the sequence directly, SPSM takes a unique two-step approach. First, it translates an arbitrary user-desired delay performance into a generic penalty function. Second, it provides a generic algorithm that takes the penalty function as the input and produces the optimal station action sequence automatically.
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