research-article

Enabling Native WiFi Connectivity for Ambient Backscatter

Authors:

Wei GongAuthors Info & Claims

MobiSys '23: Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services

Pages 423 - 435

https://doi.org/10.1145/3581791.3596868

Published: 18 June 2023 Publication History

Abstract

WiFi backscatter communication has required unwanted constraints on either excitations or receivers since its inception eight years ago. We present Chameleon, the first native WiFi backscatter system where WiFi tags can generate native WiFi packets using uncontrolled productive WiFi as carriers. Our tag-only solution requires no particular excitation patterns and no change for software/hardware on WiFi NICs. The key insight is that the Chameleon tag can demodulate productive WiFi and backscatter this arbitrary carrier into a full-function packet using on-the-fly modulation. We prototype WiFi tags using ultra-low-power FPGAs and evaluate them in real-world scenarios where excitations are ambient traffic and backscatter receivers are a range of COTS NICs. Comprehensive field studies show that the maximal backscatter throughput of Chameleon is almost 1 Mbps, which is over 125× and 1000× better than WiTAG and FS-Backscatter. Also, we show that Chameleon can natively communicate with various COTS WiFi devices on Windows, iOS, and Android platforms. We believe this native WiFi backscatter design will enable ubiquitous WiFi connectivity for billions of IoT devices via widely available mobile gadgets and existing wireless infrastructure.

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Cited By

Jiang JWang JChen YTong SXie PLiu YLiu YOkoshi TKo JLiKamWa R(2024)Willow: Practical WiFi Backscatter Localization with Parallel TagsProceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services10.1145/3643832.3661853(265-277)Online publication date: 3-Jun-2024
https://dl.acm.org/doi/10.1145/3643832.3661853
Jang WShao CLee WGanesan DLane NShi W(2024)Rethinking Channel Coding for Wi-Fi Backscatter NetworkingProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3697431(1599-1601)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3697431
Qin QChen KXie YLuo HFang DChen XGanesan DLane NShi W(2024)Pushing the Throughput Limit of OFDM-based Wi-Fi Backscatter CommunicationProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690672(968-983)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690672
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Index Terms

Enabling Native WiFi Connectivity for Ambient Backscatter
1. Networks
  1. Network architectures
    1. Network design principles
      1. Layering

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cover image ACM Conferences

MobiSys '23: Proceedings of the 21st Annual International Conference on Mobile Systems, Applications and Services

June 2023

651 pages

ISBN:9798400701108

DOI:10.1145/3581791

General Chairs:
Petteri Nurmi,
Pan Hui,
Program Chairs:
Ardalan Amiri Sani,
Yunxin Liu

Copyright © 2023 ACM.

Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Published: 18 June 2023

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National Natural Science Foundation of China

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MobiSys '23

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SIGMOBILE

MobiSys '23: 21st Annual International Conference on Mobile Systems, Applications and Services

June 18 - 22, 2023

Helsinki, Finland

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MobiSys '23 Paper Acceptance Rate 41 of 198 submissions, 21%;

Overall Acceptance Rate 274 of 1,679 submissions, 16%

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Cited By

Jiang JWang JChen YTong SXie PLiu YLiu YOkoshi TKo JLiKamWa R(2024)Willow: Practical WiFi Backscatter Localization with Parallel TagsProceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services10.1145/3643832.3661853(265-277)Online publication date: 3-Jun-2024
https://dl.acm.org/doi/10.1145/3643832.3661853
Jang WShao CLee WGanesan DLane NShi W(2024)Rethinking Channel Coding for Wi-Fi Backscatter NetworkingProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3697431(1599-1601)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3697431
Qin QChen KXie YLuo HFang DChen XGanesan DLane NShi W(2024)Pushing the Throughput Limit of OFDM-based Wi-Fi Backscatter CommunicationProceedings of the 30th Annual International Conference on Mobile Computing and Networking10.1145/3636534.3690672(968-983)Online publication date: 4-Dec-2024
https://dl.acm.org/doi/10.1145/3636534.3690672
Huang ZDing YWu DWang SGong W(2024)Bitalign: Bit Alignment for Bluetooth Backscatter CommunicationIEEE Transactions on Mobile Computing10.1109/TMC.2024.337481523:10(10191-10201)Online publication date: Oct-2024
https://doi.org/10.1109/TMC.2024.3374815
Gong WXu ZYuan LZhou HChen SDing YNayak ALiu J(2024)Embracing Self-Powered Wearables for Intelligent Healthcare Data ManagementIEEE Internet of Things Journal10.1109/JIOT.2024.338123311:15(25674-25681)Online publication date: 1-Aug-2024
https://doi.org/10.1109/JIOT.2024.3381233
Jiang MLiu XLi DGong W(2024)Efficient Two-Way Edge Backscatter with Commodity BluetoothIEEE INFOCOM 2024 - IEEE Conference on Computer Communications10.1109/INFOCOM52122.2024.10621373(1791-1800)Online publication date: 20-May-2024
https://doi.org/10.1109/INFOCOM52122.2024.10621373
Yang YFeng YGong WYang Y(2024)Efficient LTE Backscatter with Uncontrolled Ambient TrafficIEEE INFOCOM 2024 - IEEE Conference on Computer Communications10.1109/INFOCOM52122.2024.10621196(1781-1790)Online publication date: 20-May-2024
https://doi.org/10.1109/INFOCOM52122.2024.10621196
Gong WLiu JWu WGong WLiu JWu W(2024)Concurrent Backscatter for Smart LogisticsPractical Backscatter Communication for the Internet of Things10.1007/978-3-031-59254-6_5(77-97)Online publication date: 21-Apr-2024
https://doi.org/10.1007/978-3-031-59254-6_5
Gong WLiu JWu WGong WLiu JWu W(2024)Spectrum-Efficient Backscatter for Smart HomesPractical Backscatter Communication for the Internet of Things10.1007/978-3-031-59254-6_3(37-58)Online publication date: 21-Apr-2024
https://doi.org/10.1007/978-3-031-59254-6_3
Gong WLiu JWu WGong WLiu JWu W(2024)Reliable Backscatter for Remote Physical Condition MonitoringPractical Backscatter Communication for the Internet of Things10.1007/978-3-031-59254-6_2(15-36)Online publication date: 21-Apr-2024
https://doi.org/10.1007/978-3-031-59254-6_2
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