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  4. Practical evaluation of differential frequency shift chirp modulation for acoustic underwater communication
 
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Practical evaluation of differential frequency shift chirp modulation for acoustic underwater communication

Publikationstyp
Conference Paper
Date Issued
2023-11-28
Sprache
English
Author(s)
Steinmetz, Fabian  orcid-logo
Autonome Cyber-Physische Systeme E-24  
Renner, Bernd-Christian  
Autonome Cyber-Physische Systeme E-24  
TORE-URI
https://hdl.handle.net/11420/44385
Start Page
1
End Page
8
Article Number
2
Citation
17th International Conference on Underwater Networks & Systems, WUWNet 2023 Session I-A Acoustic Underwater Communications 1 (2023)
Contribution to Conference
17th International Conference on Underwater Networks & Systems, WUWNet 2023  
Publisher DOI
10.1145/3631726.3631740
Scopus ID
2-s2.0-85197287826
Publisher
Open Access
Frequency shift chirp modulation (FSCM) is a new modulation technique utilized by the LoRa physical layer. It is widely used in radio low-power wide area networks (LPWANs). In preliminary publications, we developed a FSCM-based acoustic underwater transmitter and receiver. In most of the cases, the performance was studied in simulations. In this paper, we evaluate our differential FSCM implementation in different real-world scenarios with static and mobile communication links. First, we give an introduction of FSCM and describe the effect of the acoustic underwater transmission channel on FSCM symbols. Afterwards, we present challenging real-world transmission channels and study the communication performance.We show that our implementation can track and compensate Doppler shifts, is stable against multipath propagation and resilient in scenarios with low signal-to-noise ratio (SNR).
DDC Class
530: Physics
Funding Organisations
GEOMAR Helmholtz Centre for Ocean Research Kiel
Technische Universität Hamburg  
TUHH
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