An 802.11ba-Based Wake-Up Radio Receiver With Wi-Fi Transceiver Integration

This article presents an 802.11ba-based wake-up radio (WUR) receiver that is fully integrated within an 802.11a/b/g/n/ac Wi-Fi transceiver. Low-cost integration is achieved with the WUR only occupying 0.13 mm 2 while not adding any additional overhead to the Wi-Fi platform. The WUR consumes 667 μW f...

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Bibliographic Details
Published in:IEEE journal of solid-state circuits 2020-05, Vol.55 (5), p.1151-1164
Main Authors: Liu, Renzhi, Beevi K.T., Asma, Dorrance, Richard, Dasalukunte, Deepak, Kristem, Vinod, Santana Lopez, Mario A., Min, Alexander W., Azizi, Shahrnaz, Park, Minyoung, Carlton, Brent R.
Format: Article
Language:English
Subjects:
Bandwidth
Power demand
Radio receivers
Receivers
Receivers & amplifiers
Sensitivity
Transceivers
wake-up radio (WUR)
Wi-Fi
Wireless fidelity
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Summary:This article presents an 802.11ba-based wake-up radio (WUR) receiver that is fully integrated within an 802.11a/b/g/n/ac Wi-Fi transceiver. Low-cost integration is achieved with the WUR only occupying 0.13 mm 2 while not adding any additional overhead to the Wi-Fi platform. The WUR consumes 667 μW from 1.1-V Wi-Fi system supply. When measured from internal 0.6and 0.9-V supplies, the receiver consumes 495 μW. The receiver has a measured sensitivity of -92.6 dBm and can tolerate -40.5-dBm Wi-Fi adjacent channel blocker with 3-dB receiver de-sensitization. The WUR and Wi-Fi system co-operation is also demonstrated. The WUR receiver can operate when the Wi-Fi system is in sleep mode and can turn on Wi-Fi radio upon receiving 802.11ba-based wake-up packet.
ISSN:0018-9200
1558-173X
DOI:10.1109/JSSC.2019.2957651