Wake-up receivers for wireless sensor networks: benefits and challenges - [Accepted from open call]
Demirkol, I.; Ersoy, C.; Onur, E.
Wireless Communications, IEEE
Volume 16, Issue 4, Aug. 2009 Page(s):88 - 96
Digital Object Identifier   10.1109/MWC.2009.5281260
Summary:For successful data delivery, the destination nodes should be listening to the medium to receive data when the sender node starts data communication. To achieve this synchronization, there are different rendezvous schemes, among which the most energy-efficient is utilizing wakeup receivers. Current hardware technologies of wake-up receivers enable us to evaluate them as a promising solution for wireless sensor networks. In this article the benefits achieved with wake-up receivers are investigated along with the challenges observed. In addition, an overview of state-of-the-art hardware and networking protocol proposals is presented. As wake-up receivers offer new opportunities, new potential application areas are also presented and discussed.

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