research-article

RapidRider: Efficient WiFi Backscatter with Uncontrolled Ambient Signals

Authors:

Wei GongAuthors Info & Claims

IEEE INFOCOM 2021 - IEEE Conference on Computer Communications

Pages 1 - 10

https://doi.org/10.1109/INFOCOM42981.2021.9488716

Published: 10 May 2021 Publication History

Abstract

This paper presents RapidRider, the first WiFi backscatter system that takes uncontrolled OFDM WiFi signals, e.g., 802.11a/g/n, as excitations and efficiently embeds tag data at the single-symbol rate. Such design brings us closer to the dream of pervasive backscatter communication since uncontrolled WiFi signals are everywhere. Specifically, we show that RapidRider can demodulate tag data for each OFDM symbol while previous systems rely on multi-symbol demodulation. Further, we design deinterleaving-twins decoding that enables RapidRider to use any uncontrolled WiFi signals as carriers. We prototype RapidRider using FPGAs, commodity radios, and USRPs. Comprehensive evaluations show that RapidRider’s maximum throughput is 3.92x and 1.97x better than FreeRider and MOXcatter. To accommodate cases where there is only one receiver available, we design RapidRider+ that can take productive data and tag data on the same packet. Results demonstrate that it can achieve an aggregated goodput of productive and tag data around 1 Mbps on average.

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Cited By

Wang SYan YHan FTian YDing YYang PLi XOkoshi TKo JLiKamWa R(2024)MultiRider: Enabling Multi-Tag Concurrent OFDM Backscatter by Taming In-band InterferenceProceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services10.1145/3643832.3661862(292-303)Online publication date: 3-Jun-2024
https://dl.acm.org/doi/10.1145/3643832.3661862
Zhou ZGong WZhou HFrommholz IHopfgartner FLee MOakes MLalmas MZhang MSantos R(2023)Target-oriented Few-shot Transferring via Measuring Task SimilarityProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3615149(4465-4469)Online publication date: 21-Oct-2023
https://dl.acm.org/doi/10.1145/3583780.3615149

Index Terms

RapidRider: Efficient WiFi Backscatter with Uncontrolled Ambient Signals
1. Networks
  1. Network types
    1. Mobile networks
    2. Wireless access networks

Index terms have been assigned to the content through auto-classification.

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IEEE INFOCOM 2021 - IEEE Conference on Computer Communications

May 2021

2503 pages

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Published: 10 May 2021

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Cited By

Wang SYan YHan FTian YDing YYang PLi XOkoshi TKo JLiKamWa R(2024)MultiRider: Enabling Multi-Tag Concurrent OFDM Backscatter by Taming In-band InterferenceProceedings of the 22nd Annual International Conference on Mobile Systems, Applications and Services10.1145/3643832.3661862(292-303)Online publication date: 3-Jun-2024
https://dl.acm.org/doi/10.1145/3643832.3661862
Zhou ZGong WZhou HFrommholz IHopfgartner FLee MOakes MLalmas MZhang MSantos R(2023)Target-oriented Few-shot Transferring via Measuring Task SimilarityProceedings of the 32nd ACM International Conference on Information and Knowledge Management10.1145/3583780.3615149(4465-4469)Online publication date: 21-Oct-2023
https://dl.acm.org/doi/10.1145/3583780.3615149

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