Forthcoming articles

 


International Journal of Radio Frequency Identification Technology and Applications

 

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International Journal of Radio Frequency Identification Technology and Applications (3 papers in press)

 

Regular Issues

 

  • RFID-based bonded warehouse for a science park   Order a copy of this article
    by Yeh-cheng Chen, C.N. Chu, R.S. Chen, H.M. Sun, P.H. Chu 
    Abstract: The paper proposes a RFID management information system that has integrated two common areas in bonded warehouses (i) inventory workflow management and (ii)warehouse management. The main core of this research was a focus on the boxes and pallets management in the bonded warehouse of a science park. The entire management scope is from the semiconductor parts being stored in the bonded warehouse, inventory management on the bonded warehouse and semiconductor parts being delivered from the bonded warehouse. Based on the cooperation between RFID tag, RFID reader and RFID middleware, the tags information concerning the location of each box and each pallet will be passed to the backend warehouse management information system, which can achieve the tracing purpose. The result integrates RFID technology and management workflow of the bonded warehouse to establish a set of management information systems. Combining the RFID technology and workflow integration will reduce the time of standardised inventory workflow and improve the efficiency of the checking process, which can help the bonded inventory to be controlled precisely. The enterprise can save more labour cost and make the information transmission more transparent between customers and semiconductor companies.
    Keywords: bonded warehouse, supply chain, RFID, inventory workflow and management

  • On the effects of spreading sequence pairs over MIMO-STS systems   Order a copy of this article
    by Ahmed Alshabo, Tinale Liu, Tadeusz Wysocki, David Stirling, Le Chung Tran, Montserrat Ros, Prashan Premaratne, Peter Vial, Beata Wysocki 
    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
    Keywords: MIMO; MAI; spreading sequences; pairs; SDR test bed

  • An accurate real-time RFID-based location system   Order a copy of this article
    by Kirti Chawla, Christopher McFarland, Gabriel Robins, Wil Thomason 
    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 localization, most of which target specific applications. Radio Frequency Identification (RFID) has emerged as a viable platform for localisation, but owing 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.