Abstract
At present passive RFID standards, the tag collision problems are solved using time division multiple access technologies, including slotted ALOHA schemes and binary-tree search schemes. In order to accelerate an inventory process, a multiple access scheme that can identify more than one tag simultaneously is necessary. Considering the characteristics of a passive UHF RFID system, a novel passive tag backscatter scheme using Huffman spreading sequences is proposed, which can effectively improve an inventory process. The performances of several studied multiple access schemes are compared. Simulation results validate the performance enhancement of the proposed system.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Preview
Unable to display preview. Download preview PDF.
References
18000-6 Part 6 – Parameters for Air Interface Communications at 860 to 960 MHz, International Organization for Standardization (2004)
EPCTM Radio-Frequency Identity Protocols Class-1 Generation-2 UHF RFID Protocol for Communication at 860MHz-960MHz Version 1.09, http://www.epcglobalinc.com
Rohatgi, Anil: Implementation and Applications of an Anti-Collision Differential-Offset Spread Spectrum RFID System, Master Thesis of Science in the Electrical and Computer Engineering of Georgia Institute of Technology School (2006)
Pillai, V., et al.: A technique for simultaneous multiple tag identification. In: Fourth IEEE Workshop on Automatic Identification Advanced Technologies, pp. 35–38 (2005)
Huffman, D.A.: The generation of impluse-equivalent pulse train. IEEE Trans. Inf. Theory IT–8, S10–S16 (1962)
Tanada, Y.: Synthesis of a set of real-valued shift-orthogonal finite-length PN sequences. In: IEEE 4th International Symposium on Spread Spectrum Technique and Applications, pp. 58–62 (1996)
Tanada, Y.: Orthogonal Set of Huffman Sequences and Its Application to Suppressed-Interference Quasi-Synchronous CDMA System. IEICE Trans. Fundamentals E89–A(9) (2006)
Yen, C., Gutierrez, A.E., Veeramani, D., van der Weide, D.: Radar cross-section analysis of backscattering RFID tags. IEEE Antennas and Wireless Propagation Letters 6, 279–281 (2007)
Finkenzeller, K.: RFID Handbook, 2nd edn. Wiley, Chichester (2003)
Author information
Authors and Affiliations
Editor information
Rights and permissions
Copyright information
© 2008 Springer-Verlag Berlin Heidelberg
About this paper
Cite this paper
Liu, HC., Guo, XC. (2008). A Passive UHF RFID System with Huffman Sequence Spreading Backscatter Signals. In: Floerkemeier, C., Langheinrich, M., Fleisch, E., Mattern, F., Sarma, S.E. (eds) The Internet of Things. Lecture Notes in Computer Science, vol 4952. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-78731-0_12
Download citation
DOI: https://doi.org/10.1007/978-3-540-78731-0_12
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-78730-3
Online ISBN: 978-3-540-78731-0
eBook Packages: Computer ScienceComputer Science (R0)