Time-Domain ADC and Security Co-Design for SiP-Based Wireless SAW Sensor Readers
Zhen Mao, Bing Li, Linning Peng, Jinghe Wei
TL;DR
This paper introduces a new design for wireless SAW sensor readers that combines miniaturization and security to improve performance in IoT applications.
Contribution
A novel SiP-based architecture integrating time-domain ADC and physical unclonable functions for secure, compact sensor systems.
Findings
The proposed design achieves 97.56 reliability and 49.43 uniqueness in device authentication.
The system supports variable-length bit entropy for robust security in distributed sensor networks.
The SiP-based approach is well-suited for space-constrained IoT applications.
Abstract
The signal-processing architecture of passive surface acoustic wave (SAW) sensors presents significant implementation challenges due to its radar-like operational principle and the inherent complexity of discrete component-based hardware design. While System-in-Package (SiP) has demonstrated remarkable success in miniaturizing electronic systems for smartphones, automotive electronics, and IoT applications, its potential for revolutionizing SAW sensor interrogator design remains underexplored. This paper presents a novel architecture that synergistically combines time-domain ADC design with SiP-based miniaturization to achieve unprecedented simplification of SAW sensor readout systems. The proposed time-domain ADC incorporates an innovative delay chain calibration methodology that integrates physical unclonable function (PUF) principles during time-to-digital converter (TDC)…
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Taxonomy
TopicsPhysical Unclonable Functions (PUFs) and Hardware Security · Integrated Circuits and Semiconductor Failure Analysis · Neuroscience and Neural Engineering