14 citations · 41 across the 8 of their papers we have counts for
8 papers
Evaluating Acoustic Data Transmission Schemes for Ad-Hoc Communication Between Nearby Smart Devices
Florentin Putz, Philipp Fortmann, Jan Frank +3
Acoustic data transmission offers a compelling alternative to Bluetooth and NFC by leveraging the ubiquitous speakers and microphones in smartphones and IoT devices. However, most…
The User Perspective on Island-Ready 6G Communication: A Survey of Future Smartphone Usage in Crisis-Struck Areas with Local Cellular Connectivity
Leon Janzen, Florentin Putz, Marc-André Kaufhold +2
Using smartphone apps during crises is well-established, proving critical for efficient crisis response. However, such apps become futile without an Internet connection, which is a…
GWEn -- An Open-Source Wireless Physical-Layer Evaluation Platform
Alexander Heinrich, Florentin Putz, Sören Krollmann +3
Wireless physical layer assessment, such as measuring antenna radiation patterns, is complex and cost-intensive. Researchers often require a stationary setup with antennas surround…
Sounds Good? Fast and Secure Contact Exchange in Groups
Florentin Putz, Steffen Haesler, Matthias Hollick
Trustworthy digital communication requires the secure exchange of contact information, but current approaches lack usability and scalability for larger groups of users. We evaluate…
PairSonic: Helping Groups Securely Exchange Contact Information
Florentin Putz, Steffen Haesler, Thomas Völkl +3
Securely exchanging contact information is essential for establishing trustworthy communication channels that facilitate effective online collaboration. However, current methods ar…
Smartphones with UWB: Evaluating the Accuracy and Reliability of UWB Ranging
Alexander Heinrich, Sören Krollmann, Florentin Putz +1
More and more consumer devices implement the IEEE Ultra-Wide Band (UWB) standard to perform distance measurements for sensitive tasks such as keyless entry and startup of modern ca…
FIDO2 the Rescue? Platform vs. Roaming Authentication on Smartphones
Leon Würsching, Florentin Putz, Steffen Haesler +1
Modern smartphones support FIDO2 passwordless authentication using either external security keys or internal biometric authentication, but it is unclear whether users appreciate an…
Acoustic Integrity Codes: Secure Device Pairing Using Short-Range Acoustic Communication
Florentin Putz, Flor Álvarez, Jiska Classen
Secure Device Pairing (SDP) relies on an out-of-band channel to authenticate devices. This requires a common hardware interface, which limits the use of existing SDP systems. We pr…