Quadrature amplitude modulated backscatter in passive and semipassive UHF RFID systems

IEEE Transactions on Microwave Theory and Techniques

Volumn 60, Issue 4, 2012, Pages 1175-1182

  Thomas, Stewart J ^a   Wheeler, Eric ^b   Teizer, Jochen ^c   Reynolds, Matthew S ^a  

^a DUKE UNIVERSITY   (United States)

^b GOOGLE INC   (United States)

^c Georgia Institute of Technology   (United States)

Author keywords

Backscatter; backscatter phase rotation; CMOS integrated circuits (ICs); passive RF identification (RFID) tags; quadrature amplitude modulated (QAM) backscatter; quadrature amplitude modulation; ultra high frequency (UHF) RFID

Indexed keywords

AMPLITUDE MODULATED; BACKSCATTER; PHASE ROTATION; RF IDENTIFICATIONS; ULTRA-HIGH-FREQUENCY;

AMPLITUDE MODULATION; CLOCKS; CMOS INTEGRATED CIRCUITS; MODULATORS; PHASE SHIFT KEYING; QUADRATURE AMPLITUDE MODULATION; RADAR CROSS SECTION; RADIO FREQUENCY IDENTIFICATION (RFID); RADIO NAVIGATION; THROUGHPUT;

BACKSCATTERING;

EID: 84859715757     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2012.2185810     Document Type: Article

References (15)

1. EPC Global US, "Class 1 Generation 2 UHF RFID Protocol for Operation at 860 MHz-960 MHz, Version 1.0.9", , 2005. [Online]. Available: http://www.epcglobalus.org/
2. S. Thomas andM. Reynolds,"QAM backscatter for passiveUHF RFID tags," in IEEE Int. RFID Conf., Apr. 2010, pp. 210-214.
3. M.Winkler, T. Faseth, H. Arthaber, and G. Magerl, "An UHF RFID tag emulator for preceise emulation of the physical layer," in Eur. Wireless Technol. Conf., Sep. 2010, pp. 273-276.
4. R. B. Green, "The general theory of antenna scattering," Ph.D. dissertation, Dept. Elect. Eng., Ohio State Univ., Columbus, OH, 1963.
5. C.-C. Yen, A. Gutierrez, D. Veeramani, and D. van der Weide, "Radar cross section analysis of backscattering RFID tags," IEEE Antennas Propag. Lett., vol. 6, pp. 279-281, 2007.
6. S. Shrestha, M. Balachandran, M. Agarwal, L.-H. Zou, and K. Varahramyan, "A method to measure radar cross section parameters of antennas," IEEE Trans. Antennas Propag., vol. 56, no. 11, pp. 3494-3500, Nov. 2008.
7. A. Bletsas, A. G. Dimitriou, and J. Sahalos, "Improving backscatter radio tag efficiency," IEEE Trans. Microw. Theory Tech., vol. 58, no. 6, pp. 1502-1509, Jun. 2010.
8. P. Nikitin, K. Rao, and R. Martinez, "Differential RCS of RFID tag," Electron. Lett., vol. 43, no. 8, pp. 431-432, Apr. 2007.
9. U. Karthaus and M. Fischer, "Fully integrated passive UHF RFID transponder IC with 16.7-W minimum RF input power," IEEE J. Solid-State Circuits, vol. 38, no. 10, pp. 1602-1608, Oct. 2003.
10. R. Hansen, "Relationships between antennas as scatterers and as radiators," Proc. IEEE, vol. 77, no. 5, pp. 659-662, May 1989.
11. P. Nikitin, K. Rao, S. Lam, V. Pillai, R. Martinez, and H. Heinrich, "Power reflection coefficient analysis for complex impedances in RFID tag design," IEEE Trans. Microw. Theory Tech., vol. 53, no. 9, pp. 2721-2725, Sep. 2005.
12. K. Rao, P. Nikitin, and S. Lam, "Impedancematching concepts in RFID transponder design," in 4th IEEE Automat. Identification Adv. Technol. Workshop, 17-18, 2005, pp. 39-42.
13. J.-P.Curty,M. Declercq, C. Dehollain, andN. Joehl, Design and Optimization of Passive UHF RFID Systems. Berlin, Germany: Springer, 2007.
14. "Monza 4 tag chip datasheet," Impinj Inc., Seattle, WA, 2010. [Online]. Available: http://www.impinj.com/Documents/Tag-Chips/ Monza-4-Tag-Chip-Datasheet/
15. J. G. Proakis and M. Salehi, Communication Systems Engineering, 2nd ed. Upper Saddle River, NJ: Prentice-Hall, 2002.