A BPSK backscatter modulator design for RFID passive tags

被引：9

作者：

Amin, Nowshad ^{[1
]}

Jye, Ng Wen ^{[1
]}

Othman, Masuri ^{[1
]}

机构：

[1] Univ Kebangsaan Malaysia, Fac Engn, Dept Elect Elect & Syst Engn, Bangi 43600, Selangor, Malaysia

来源：

2007 IEEE INTERNATIONAL WORKSHOP ON RADIO-FREQUENCY INTEGRATION TECHNOLOGY, PROCEEDINGS: ENABLING TECHNOLOGIES FOR EMERGING WIRELESS SYSTEMS | 2007年

关键词：

RFID; passive tag; modulator; BPSK;

D O I：

10.1109/RFIT.2007.4443966

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

An integrated circuit implementation of a BPSK backscatter modulator for passive radio frequency identification (RFID) transponders has been carried out. The design is based on a combination and modification of earlier techniques. The modulation technique that has been used in this study is binary phase shift keying (BPSK). This kind of modulator provides modulation in an ultra high frequency (UHF) wave band along with significantly low power dissipation. Furthermore, the topology of the developed modulator allows us to control its output resistance so that only a minor fraction of the active power at the antenna propagates to the modulator. In the circuit development process, the cost and the size of the modulator has also been taken into consideration. The development of the modulator circuit is simulated in computer aided design software, P-SPICE. An efficient modulator has been achieved in the UHF band after optimization of the circuit components in a carefully investigated circuit design. This design also shows the minimum power dissipation of around 7.52 x 10(-11) W, as a result of optimization and mnimization of the circuit size.

引用

页码：262 / 265

页数：4