3D-Printed Graphene Antennas and Interconnections for Textile RFID Tags: Fabrication and Reliability towards Humidity

Additive Manufacturing of Graphene for Identification and Sensing Applications

The huge growth of Internet of Things has been leading to a high demand in multipurpose radio frequency identification tags. The materials and manufacturing choices have subsequently become very essential for a lower cost and desired wireless performance. In addition, eco-friendly aspects are gaining more and more interest. This thesis investigates the possibilities of novel manufacturing metho...

3D Printed and Photonically Cured Graphene UHF RFID Tags on Textile, Wood, and Cardboard Substrates

Antenna-Based Passive UHF RFID Sensor Tags - Design and Application

RFID, as a low cost technology with a long life time, provides great potential for transmitting sensor data in combination with the ordinary ID number. The sensor can, for example, be integrated either in the chip or in the antenna of an RFID tag. This thesis focuses on the design of antenna-based UHF RFID sensor tags as wireless sensors at the lowest possible cost level compatible with standar...

Printed RFID Humidity Sensor Tags for Flexible Smart Systems

Radio frequency identification (RFID) and sensing are two key technologies enabling the Internet of Things (IoT). Development of RFID tags augmented with sensing capabilities (RFID sensor tags) would allow a variety of new applications, leading to a new paradigm of the IoT. Chipless RFID sensor technology offers a low-cost solution by eliminating the need of an integrated circuit (IC) chip, and...

Design and Fabrication of Miniaturized Fractal Antennas for Passive UHF RFID Tags

Generally, passive RFID tags consist of an integrated circuit (RFID chip) and an antenna. Because the passive tags are batteryless, the power transfer between the RFID's chip and the antenna is an important factor in the design. The increasing of the available power at the tag will increase the read range of the tag which is a key factor in RFID tags. The passive RFID tag antennas cannot be tak...