alps the acoustic location processing system patrick lazik, niranjini rajagopal, oliver shih, bruno...
TRANSCRIPT
![Page 1: ALPS The Acoustic Location Processing System Patrick Lazik, Niranjini Rajagopal, Oliver Shih, Bruno Sinopoli and Anthony Rowe Electrical and Computer Engineering](https://reader035.vdocuments.us/reader035/viewer/2022062221/56649d755503460f94a55a7d/html5/thumbnails/1.jpg)
ALPSThe Acoustic Location
Processing SystemPatrick Lazik, Niranjini Rajagopal,
Oliver Shih, Bruno Sinopoli and Anthony Rowe
Electrical and Computer Engineering DepartmentCarnegie Mellon University
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Use near-ultrasound communication Decodable using existing mobile hardware Provide accurate indoor localization
Sub-room level (sub meter) Pulse compression
Highly-scalable Easy to deploy
Overview
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System Architecture
Beacon Ultrasound
BLE Data
Beacon
PhoneNetwork Master
802.
15.4
Syn
c
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Hardware Revisions
Generation 1 (SenSys ‘12)
Generation 2
Generation 3 (IPSN ‘14 Loc. Comp.)
Generation 4 (RTAS ‘15)
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Generation 5
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Ultrasound Transmitter PCB
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Ultrasound Transmitter PCB with BLE
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Receiver
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From TDOA to TOF
Underspecified Ranging
Obstacles
?Time Synchronization
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ALPS in Action
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Coming Soon…• Auto floor-plan mapping/setup• IMU based tracking
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THANK YOU!QUESTIONS?