Experimental analysis of power optimized waveforms for enhancing wake-up radio sensitivity
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Date
2016
Publication Type
Conference Paper
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yes
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Abstract
To minimize energy consumption of state-of-the-art wireless sensor nodes, asynchronous communication transceivers are adopted, which make use of an ultra-low power wake-up radio (WUR) to minimize the active time of the energy-hungry main communication radio. This work contributes to the ambitious goal of pushing over the minimum average RF power needed to operate the WUR, thus enabling energy-efficient communication in larger areas. To reach this goal a dual-band rectifier, optimized to be loaded by an ultra-low power comparator, is used as WUR detector. Its behavior is experimentally tested under several power-optimized excitation formats. By selecting the proper excitation format the base-band comparator is enabled starting from average RF-power as low as -64.5 dBm.
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published
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Book title
2016 IEEE MTT-S International Microwave Symposium (IMS)
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Volume
Pages / Article No.
1018 - 1021
Publisher
Curran
Event
2016 IEEE MTT-S International Microwave Symposium (IMS 2016)
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Software
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Subject
Ultra-low power wake-up radio; Power optimized waveforms; RF rectifier
Organisational unit
03996 - Benini, Luca / Benini, Luca