| Publisher | Association for Computing Machinery | ||
|---|---|---|---|
| Format | 426.4KB PDF | Date added | 06 Apr 2007 |
| Topics | VoIP - IP Telephony, Mobile - Wireless Communications, Wi-Fi (802.11) | ||
| Downloads | 39 | ||
IP based telephony is rapidly gaining acceptance over traditional means of voice communication. Wireless LANs are also becoming ubiquitous due to their inherent ease of deployment and decreasing costs. In enterprise Wi-Fi environments, VoIP is a compelling application for devices such as smartphones with multiple wireless interfaces. However, the high energy consumption of Wi-Fi interfaces, especially when a device is idle, presents a significant barrier to the widespread adoption of VoIP over Wi-Fi. To address this issue, the paper presents Cell2Notify, a practical and deployable energy management architecture that leverages the cellular radio on a smartphone to implement wakeup for the high-energy consumption Wi-Fi radio.
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