research-article

Internet-of-microchips: direct radio-to-bus communication with SPI backscatter

Authors:

Mo LiAuthors Info & Claims

MobiCom '20: Proceedings of the 26th Annual International Conference on Mobile Computing and Networking

Article No.: 25, Pages 1 - 14

https://doi.org/10.1145/3372224.3419182

Published: 18 September 2020 Publication History

Abstract

Energy consumption of Internet-of-Things end devices is a major constraint that limits their long-term and large-scale deployment. Conventionally, the radios and processors used in these end devices are major power consumption that drains at the level of milliwatts (mWs). However, in recent decades, backscatter communication has dramatically reduced the power consumed by the radios in end devices to microwatts (μWs), and thus the processor remains the major bottleneck for energy optimization.

In this paper, we propose a processor-free architecture as a novel design that allows the radio to interface directly with peripheral sensor chips for control and data collection, thereby separating the processors from the end device design to significantly reduce the energy consumed by end devices. The main problem is that the peripheral chips are designed to be accessed by the processor via a standard digital bus and they cannot communicate directly with the radio. In order to support such processor-free design, we propose radio-to-bus (R2B) as a novel communication paradigm that allows direct data exchange between a backscatter radio and the serial peripheral interface (SPI) bus. We implement the processor-free architecture in proof-of-concept prototypes and demonstrate that the power consumption decreases by 4.5 times compared with the conventional end device design.

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Cited By

Li SLi SLiu QSong YZhang CLu L(2024)Watch Out Your Thumb Drive: Covert Data Theft From Portable Data Storage via BackscatterIEEE Transactions on Dependable and Secure Computing10.1109/TDSC.2023.330560721:4(2434-2447)Online publication date: Jul-2024
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Na XGuo XYu ZZhang JHe YLiu YHui PAmiri Sani ANurmi PLiu Y(2023)Leggiero: Analog WiFi Backscatter with Payload TransparencyProceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services10.1145/3581791.3596835(436-449)Online publication date: 18-Jun-2023
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Li SMeng QBai YZhang CSong YLi SLu LCosta XHassanieh HAsadi ACox LPerino DWidmer JGiustiniano D(2023)Go Beyond RFID: Rethinking the Design of RFID Sensor Tags for Versatile ApplicationsProceedings of the 29th Annual International Conference on Mobile Computing and Networking10.1145/3570361.3613284(1-16)Online publication date: 2-Oct-2023
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Index Terms

Internet-of-microchips: direct radio-to-bus communication with SPI backscatter

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MobiCom '20: Proceedings of the 26th Annual International Conference on Mobile Computing and Networking

April 2020

621 pages

ISBN:9781450370851

DOI:10.1145/3372224

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Published: 18 September 2020

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MobiCom '20: The 26th Annual International Conference on Mobile Computing and Networking

September 21 - 25, 2020

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https://doi.org/10.1109/TDSC.2023.3305607
Na XGuo XYu ZZhang JHe YLiu YHui PAmiri Sani ANurmi PLiu Y(2023)Leggiero: Analog WiFi Backscatter with Payload TransparencyProceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services10.1145/3581791.3596835(436-449)Online publication date: 18-Jun-2023
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Li SMeng QBai YZhang CSong YLi SLu LCosta XHassanieh HAsadi ACox LPerino DWidmer JGiustiniano D(2023)Go Beyond RFID: Rethinking the Design of RFID Sensor Tags for Versatile ApplicationsProceedings of the 29th Annual International Conference on Mobile Computing and Networking10.1145/3570361.3613284(1-16)Online publication date: 2-Oct-2023
https://dl.acm.org/doi/10.1145/3570361.3613284
Zhang YZhang GShao X(2023)A Low Power Wake-Up Receiver Design Based on Commercial Off-the-shelf Components2023 3rd International Conference on Electronic Information Engineering and Computer Communication (EIECC)10.1109/EIECC60864.2023.10456662(1-5)Online publication date: 22-Dec-2023
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Jiang TZhang YMa WPeng MPeng YFeng MLiu G(2023)Backscatter Communication Meets Practical Battery-Free Internet of Things: A Survey and OutlookIEEE Communications Surveys & Tutorials10.1109/COMST.2023.327823925:3(2021-2051)Online publication date: Nov-2024
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