Wireless Wakeups Revisited: Energy Management for VoIP over Wi-Fi Smartphones

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Provided by: Association for Computing Machinery
Topic: Hardware
Format: PDF
IP (Internet Protocol) 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.
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