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Fuzzy commitment and syndrome-based schemes are two well-known helper data schemes used to bind and generate, respectively, a secret key to/from SRAM-PUF observations. To allow the decoder to reconstruct this secret key from a new (verification) observation of an SRAM-PUF, an encoder has to generate so-called helper data. This helper data is a function of an SRAM-PUF enrollment observation and, in...
This paper presents an ultra-low-power (ULP) fully-integrated Bluetooth Low-Energy(BLE)/IEEE802.15.4/proprietary RF SoC for Internet-of-Things applications. Ubiquitous wireless sensors connected through cellular devices are becoming widely used in everyday life. A ULP RF transceiver [1-3] is one of the most critical components that enables these emerging applications, as it can consume up to 90% of...
Accurate indoor localization is a key component for many applications such as tracking, indoor navigation, home/industrial automation, gaming and intelligent transportation systems. Impulse radio ultrawide-band (IR-UWB) allows sub-meter accurate localization due to its inherent high time resolution. The accuracy of localization depends on the detection moment of the direct path signal (Time Of Arrival:...
A deterministic artificial indoor radio channel is presented, built from commercial off-the-shelf (COTS) components. The channel parameters are derived in closed-form based on the component parameters. This makes the channel a bi-directional building block, useful for indoor radio system performance characterization. A directional coupler forms the heart of the channel, together with a transmission...
A deterministic artificial indoor radio channel is presented, built from commercial off-the-shelf (COTS) components. The channel parameters are derived in closed-form based on the component parameters. This makes the channel a bi-directional building block, useful for indoor radio system performance characterization. A directional coupler forms the heart of the channel, together with a transmission...
Due to the unattended nature of WSN (Wireless Sensor Network) deployment, each sensor can be subject to physical capture, cloning and unauthorized device alteration. In this paper, we use the embedded SRAM, often available on a wireless sensor node, for secure data (cryptographic keys, IDs) generation which is more resistant to physical attacks. We evaluate the physical phenomenon that the initial...
In order for wireless body area networks to meet widespread adoption, a number of security implications must be explored to promote and maintain fundamental medical ethical principles and social expectations. As a result, integration of security functionality to sensor nodes is required. Integrating security functionality to a wireless sensor node increases the size of the stored software program...
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