Compact RFID Enabled Moisture Sensor

RFID-Enabled Temperature Sensor

The design of a RFID-enabled temperature sensor is described in this paper. In this sensor, a change in temperature causes structural beams to bend, which results in a proportional displacement of the plates of the capacitor. Plates' displacement results, in turn, in changing the value of its capacitance. The capacitor of the sensor is coupled to the LC resonant network of a passive RFID tag. T...

RFID-Enabled Wireless Heart Monitoring

Attacking ECDSA-Enabled RFID Devices

The elliptic curve digital signature algorithm (ECDSA) is used in many devices to provide authentication. In the last few years, more and more ECDSA implementations have been proposed that allow the integration into resource-constrained devices like RFID tags. Their resistance against power-analysis attacks has not been scrutinized so far. In this article, we provide first results of power-anal...

A compact stacked Quasi-fractal microstrip antenna for RFID applications

In this paper, we propose a new compact quasi-fractal shaped microstrip antenna that consists of a hexagonal patch as the main radiator and a complementary stacked patch as the parasitic element. The overall surface of the proposed quasi-fractal patch is about 55% lower than the conventional hexagonal patch. Using of stacked technique, the gain reduction of compression technique is almost compe...

RFID service for non-RFID enabled devices: Embedded hardware implementation

Radio Frequency Identification (RFID) applications require the use of specialized hardware in order to obtain the IDs that are provided by the tags. This condition limits the extension of the information to devices with non-RFID capabilities. In this paper we present the design and implementation of a RFID service conceived for devices with non-RFID hardware but a WLAN interface. More specifica...