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blobel2020low-power


Johannes Blobel, Florian Menne, Dongxiao Yu, Xiuzhen Cheng and Falko Dressler, "Low-power and Low-delay WLAN using Wake-up Receivers," IEEE Transactions on Mobile Computing (TMC), 2020. (to appear)

Abstract

Energy-efficient communication technologies are a key enabler for many IoT applications. Many existing communication protocols are based on duty-cycling techniques, that have an inherent tradeoff between delay and energy consumption. In the field of sensor networks, wake-up receivers have been investigated to overcome these problems and to further reduce energy consumption. We now go one step further and investigate the use of wake-up receivers in combination with IEEE 802.11 WLAN. We extend the protocol used to communicate between the access point and the client to introduce a wake-up signal. This can be implemented in a way that is fully compatible with existing WLAN standards, thus, it can be deployed gradually with little effort and no need to change existing systems. As a proof of concept and to perform first lab experiments, we developed a hardware prototype using a selective wake-up receiver and off-the-shelf USB-WLAN dongles. All experimental results are verified using an analytical model and a detailed simulation study. We show that our wake-up WLAN can provide connectivity for low-power devices with low delays and low energy consumption at the same time.

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Johannes Blobel
Florian Menne
Dongxiao Yu
Xiuzhen Cheng
Falko Dressler

BibTeX reference

@article{blobel2020low-power,
    author = {Blobel, Johannes and Menne, Florian and Yu, Dongxiao and Cheng, Xiuzhen and Dressler, Falko},
    doi = {10.1109/TMC.2020.3030313},
    note = {to appear},
    title = {{Low-power and Low-delay WLAN using Wake-up Receivers}},
    journal = {IEEE Transactions on Mobile Computing (TMC)},
    issn = {1536-1233},
    publisher = {IEEE},
    year = {2020},
   }
   
   

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