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Acoustic backscatter communication in metal structures
Citation Link: https://doi.org/10.15480/882.9646
Publikationstyp
Doctoral Thesis
Date Issued
2024
Sprache
English
Author(s)
Advisor
Referee
Title Granting Institution
Technische Universität Hamburg
Place of Title Granting Institution
Hamburg
Examination Date
2024-04-03
Institute
TORE-DOI
Citation
Technische Universität Hamburg (2024)
This dissertation investigates batteryless sensor nodes embedded in metal structures, focusing on acoustic backscatter, active communication, and wireless power transfer. In particular, it analyzes the nonlinear through-metal channel, derives channel models, and proposes in situ channel estimation techniques. Several methods are demonstrated to increase data rates despite reverberation and to improve power-transfer efficiency. In addition to simulation, custom prototypes are designed to verify the method's practical applicability.
Subjects
Structural health monitoring
Ultrasound
Wireless power transfer
Backscatter
Wireless communication
DDC Class
621.3: Electrical Engineering, Electronic Engineering
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Oppermann_Peter_AcousticBackscatterInMetal.pdf
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