In this paper, we propose two adaptive frame size Aloha algorithms, namely adaptive frame size Aloha 1 (AFSA1) and adaptive frame size Aloha 2 (AFSA2), for solving radio frequency identification (RFID) multipl...
Authors: Feng Zheng and Thomas Kaiser
Citation:EURASIP Journal on Embedded Systems
2016
2016:7
In this contribution, we describe and analyse a miniature wireless radio frequency identification (RFID) chip with on-chip antennas (OCA) and ultra wideband (UWB) signalling by real-world measurements. With th...
Authors: Philipp K Gentner, Robert Langwieser, Arpad L Scholtz, Günter Hofer and Christoph F Mecklenbräuker
Citation:EURASIP Journal on Embedded Systems
2013
2013:12
Schedulers in radio frequency identification dense environments aim at distributing optimally a set of t slots between a group of m readers. In single-channel environments, the readers within mutual interference ...
Authors: Javier Vales-Alonso, Francisco Javier Parrado-García and Juan J Alcaraz
Citation:EURASIP Journal on Embedded Systems
2013
2013:11
As the adoption of the radio-frequency identification (RFID) technology is increasing, many applications require a dense reader deployment. In such environments, reader-to-reader interference becomes a critica...
In this contribution, four automatic adjustment algorithms for leakage carrier cancellation in radio frequency identification (RFID) readers are compared: full search, gradient search, fast and direct I/Q algorit...
Authors: Gregor Lasser, Robert Langwieser and Christoph F Mecklenbräuker
Citation:EURASIP Journal on Embedded Systems
2013
2013:8
In this work, we focus on framed slotted Aloha (FSA) and passive ultra high-frequency radio frequency identification multi-antenna systems with physical layer collision recovery. We modify the tags slightly by...
Authors: Jelena Kaitovic, Robert Langwieser and Markus Rupp
Citation:EURASIP Journal on Embedded Systems
2013
2013:7
Wireless sensor networks (WSNs), consisting of a large number of nodes to detect ambient environment, are widely deployed in a predefined area to provide more sophisticated sensing, communication, and processi...
Authors: Zhoubing Xiong, Zhenyu Song, Andrea Scalera, Enrico Ferrera, Francesco Sottile, Paolo Brizzi, Riccardo Tomasi and Maurizio A Spirito
Citation:EURASIP Journal on Embedded Systems
2013
2013:6
Radio frequency identification (RFID) is a technology enabling a contactless exchange of data. This technology features the possibility to wirelessly transfer power to the transponder (opponent). HF-RFID is us...
Authors: Manuel Menghin, Norbert Druml, Christian Steger, Reinhold Weiss, Holger Bock and Josef Haid
Citation:EURASIP Journal on Embedded Systems
2013
2013:4
In this contribution, the author examines the feasibility of on-body backscatter radio frequency identification (RFID) systems in the ultra high frequency range. Four different on-body RFID systems are investi...
Authors: Jasmin Grosinger
Citation:EURASIP Journal on Embedded Systems
2013
2013:2
Research and development of implantable RF telemetry systems intended specifically to enable and support cardiac monitoring of genetically engineered small animal subjects, rats and mice in particular, has alr...
Authors: Robert Sobot
Citation:EURASIP Journal on Embedded Systems
2013
2013:1
This paper discusses the space-time coding (STC) problem for RFID MIMO systems. First, a mathematical model for this kind of system is developed from the viewpoint of signal processing, which makes it easy to ...
Authors: Feng Zheng and Thomas Kaiser
Citation:EURASIP Journal on Embedded Systems
2012
2012:9