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Catch Me If You Can: Demonstrating Laser Tethering with Highly Mobile Targets

Authors:

Charles J. Carver,

Hadleigh Schwartz,

Nicholas Shade,

Joseph P. Lazzaro,

Eric R. Fossum,

Xia ZhouAuthors Info & Claims

ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and Networking

Article No.: 108, Pages 1 - 3

https://doi.org/10.1145/3570361.3614081

Published: 02 October 2023 Publication History

Abstract

Conventional wisdom holds that laser-based systems cannot handle mobility due to the strong directionality of laser light. We challenge this belief by presenting Lasertag, a generic system framework that tightly integrates laser steering with optical tracking to maintain laser connectivity with high-velocity targets. Lasertag creates a constantly connected, laser-based tether between the Lasertag core unit and a remote target, irrespective of the target's movement. Key elements of Lasertag include (1) a novel optical design that superimposes the optical paths of a steerable laser beam and an image sensor, (2) a lightweight optical tracking mechanism for passive retroreflective markers, (3) an automated mapping method to translate scene points to laser steering commands, and (4) a predictive steering algorithm that overcomes limited image sensor frame rates and laser steering delays to quadruple the steering rate up to 151 Hz. We demonstrate Lasertag's tethering capabilty with various mobile targets, such as a VR headset worn during active game play, a remotely-controlled moving robot, and more. Lasertag paves the way for laser applications in highly mobile settings.

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Cited By

Carver CSchwartz HShao QShade NLazzaro JWang XLiu JFossum EZhou XVanbever LZhang I(2024)Catch me if you canProceedings of the 21st USENIX Symposium on Networked Systems Design and Implementation10.5555/3691825.3691926(1847-1865)Online publication date: 16-Apr-2024
https://dl.acm.org/doi/10.5555/3691825.3691926

Index Terms

Catch Me If You Can: Demonstrating Laser Tethering with Highly Mobile Targets
1. Hardware
  1. Communication hardware, interfaces and storage
    1. Sensor applications and deployments
    2. Sensor devices and platforms

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Information & Contributors

Information

Published In

cover image ACM Conferences

ACM MobiCom '23: Proceedings of the 29th Annual International Conference on Mobile Computing and Networking

October 2023

1605 pages

ISBN:9781450399906

DOI:10.1145/3570361

Chairs:
Xavier Costa,
Joerg Widmer,
Co-chairs:
Diego Perino,
Domenico Giustiniano,
Program Chair:
Haitham Al Hassanieh,
Program Co-chairs:
Arash Asadi,
Landon Cox

Copyright © 2023 Owner/Author(s).

Permission to make digital or hard copies of part or all 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 third-party components of this work must be honored. For all other uses, contact the owner/author(s).

Sponsors

SIGMOBILE: ACM Special Interest Group on Mobility of Systems, Users, Data and Computing

Publisher

Association for Computing Machinery

New York, NY, United States

Publication History

Published: 02 October 2023

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Qualifiers

Demonstration

Funding Sources

National Science Foundation

Conference

ACM MobiCom '23

Sponsor:

SIGMOBILE

ACM MobiCom '23: 29th Annual International Conference on Mobile Computing and Networking

October 2 - 6, 2023

Madrid, Spain

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Overall Acceptance Rate 440 of 2,972 submissions, 15%

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Cited By

Carver CSchwartz HShao QShade NLazzaro JWang XLiu JFossum EZhou XVanbever LZhang I(2024)Catch me if you canProceedings of the 21st USENIX Symposium on Networked Systems Design and Implementation10.5555/3691825.3691926(1847-1865)Online publication date: 16-Apr-2024
https://dl.acm.org/doi/10.5555/3691825.3691926

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