JournalTOCs

International Journal of Radio Frequency Identification Technology and Applications
Number of Followers: 8

Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1745-3216 - ISSN (Online) 1745-3224
Published by Inderscience Publishers

[439 journals]

RFID-based bonded warehouse for Science Park
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  Authors: Yeh-Cheng Chen, C.N. Chu, Ruey-Shun Chen, Hung Min Sun, P.H. Ju
  Pages: 1 - 23
  Abstract: The paper proposes an RFID management information system that integrates two common topics including inventory workflow management and warehouse management for bonded warehouse. The main core of this research focused on the boxes and pallets management for the bonded warehouse of Hsinchu Science Park in Taiwan. The entire management mechanism covered the semiconductor parts stored in bonded warehouse, inventory management on bonded warehouse and semiconductor parts delivered from bonded warehouse. Based on the cooperation among RFID tags, RFID readers and RFID middleware, the tags information attached on each box and each pallet would be passed to the backend warehouse management information system to achieve the tracing purpose. The result showed that the integrated RFID technology and management with the workflow of bonded warehouse would reduce the time of standardised inventory workflow and improve the efficiency of checking process, and that could also help the bonded inventory to be controlled much more precisely. The enterprises could thus save more labour costs and make the information transmission more transparent between customers and semiconductor companies.
  Keywords: bonded warehouse; supply chain; RFID; inventory workflow; management
  Citation: International Journal of Radio Frequency Identification Technology and Applications, Vol. 5, No. 1 (2018) pp. 1 - 23
  PubDate: 2018-04-24T23:20:50-05:00
  DOI: 10.1504/IJRFITA.2018.091304
  Issue No: Vol. 5, No. 1 (2018)
On the effects of spreading sequence pairs over MIMO-STS systems
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  Authors: Tianle Liu, Ahmed Alshabo, David Stirling, Le Chung Tran, Montserrat Ros, Prashan Premaratne, Peter James Vial, Beata Wysocki, Tad Wysocki
  Pages: 24 - 47
  Abstract: Previous studies have found that the Multiple Access Interference (MAI) effect is strongly associated with which sequence pairs are spread over Multiple-Input Multiple-Output Space-Time Spreading (MIMO-STS) systems. An improved method of determining which sequence pairs are to be spread is proposed. The choice of these pairs from the selected spreading code families results in a number of ways to mitigate the MAI effects. A Software Defined Radio (SDR) test bed system has been developed to evaluate the selected spreading sequences, in an attempt to mitigate the MAI effects over 2 × 1 MIMO-STS systems. The SDR test bed results reveal that, for a number of the spreading sequence families, improved transmission properties for asynchronous transmission can be achieved.
  Keywords: MIMO; MAI; spreading sequences; pairs; SDR test bed
  Citation: International Journal of Radio Frequency Identification Technology and Applications, Vol. 5, No. 1 (2018) pp. 24 - 47
  PubDate: 2018-04-24T23:20:50-05:00
  DOI: 10.1504/IJRFITA.2018.091305
  Issue No: Vol. 5, No. 1 (2018)
An accurate real-time RFID-based location system
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  Authors: Kirti Chawla, Christopher McFarland, Gabriel Robins, Wil Thomason
  Pages: 48 - 76
  Abstract: Modern applications frequently require the ability to locate objects in real-world environments. This has motivated the development of a number of competing approaches to object localisation, most of which target specific applications. Radio Frequency IDentification (RFID) has emerged as a viable platform for localisation, but due to a number of unresolved challenges with this technology, high levels of performance and wide applicability have remained elusive. In this paper, we outline an RFID-based object localisation framework that addresses these challenges, and propose the use of Received Signal Strength (RSS) to model the behaviour of radio signals decaying over distance in an orientation-agnostic manner to simultaneously locate multiple stationary and mobile objects. The proposed localisation system can operate in a realistically radio-noisy indoor environment, enables design-space trade-offs, is highly extensible, and provides use-case-driven average accuracy as low as 0.15 metres. The proposed localisation system can quickly locate objects with or without the use of reference tags, and illustrates that RSS can be a reliable metric for RFID-based object localisation.
  Keywords: RFID; localisation; RSS; empirical power-distance relationship; tag-reader pairs
  Citation: International Journal of Radio Frequency Identification Technology and Applications, Vol. 5, No. 1 (2018) pp. 48 - 76
  PubDate: 2018-04-24T23:20:50-05:00
  DOI: 10.1504/IJRFITA.2018.091306
  Issue No: Vol. 5, No. 1 (2018)
RFID localisation using special antenna technique
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  Authors: Darrell Laker, Galal Hassan, Russel Dobson, Ruiheng Wu
  Pages: 77 - 92
  Abstract: In this paper, an RFID localisation method using a special antenna technique is presented. By using an active RFID system with an external dipole antenna the angle and the distance from the antenna to the RFID tag can be found based on the principle of null steering. The new localisation method has been demonstrated by using UHF RFID technology operated at 868 MHz and 434 MHz. The measurement results shown that, compared with other techniques, this method has a number of advantages such as simple design, easy to implement, low cost and high reliability.
  Keywords: RFID; active reader and tag; outdoor localisation; dipole antenna; antenna array; null steering
  Citation: International Journal of Radio Frequency Identification Technology and Applications, Vol. 5, No. 1 (2018) pp. 77 - 92
  PubDate: 2018-04-24T23:20:50-05:00
  DOI: 10.1504/IJRFITA.2018.091311
  Issue No: Vol. 5, No. 1 (2018)