A Low-power signal processing front-end and decoder for UHF passive RFID transponders

Author

Chi Fat Chan ; Shi, Weiwei ; Pun, Kong-Pang ; Lai Kan Leung ; Ka Nang Leung ; Choy, Chiu-Sing

Author_Institution

Dept. of Electron. Eng., Chinese Univ. of Hong Kong, Shatin, China

fYear

2009

fDate

24-27 May 2009

Firstpage

1581

Lastpage

1584

Abstract

In this paper, a low-power signal processing front-end and PIE decoder for use in UHF RFID passive transponders is presented. By merging with the decoder, the clock generator does not need to drive a large loading capacitor. Therefore, its power consumption can be greatly reduced. In addition, the ring oscillator of the generator was designed for low sensitivity to supply voltage variation and low power consumption. Fabricated in a 0.13-mum CMOS process, the measured power consumption consumes only 850 nW.

Keywords

CMOS integrated circuits; UHF devices; decoding; low-power electronics; radiofrequency identification; signal processing equipment; transponders; CMOS process; PIE decoder; UHF passive RFID transponder; low-power signal processing front-end; power 850 nW; pulse-interval encoding; ring oscillator; size 0.13 mum; Capacitors; Clocks; Decoding; Energy consumption; Merging; Passive RFID tags; Radiofrequency identification; Ring oscillators; Signal processing; Transponders;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2009. ISCAS 2009. IEEE International Symposium on

Conference_Location

Taipei

Print_ISBN

978-1-4244-3827-3

Electronic_ISBN

978-1-4244-3828-0

Type

conf

DOI

10.1109/ISCAS.2009.5118072

Filename

5118072