A new modulation scheme for low power consumption and small size passive RFID tags

This paper presents the simulation of a new modulation scheme for passive RFID systems. The proposed modulation scheme can be used to achieve minimum RFID tag chip size with low power consumption simultaneously. The modulation scheme is tested by a carrier of 900MHz and data rate of 20Kbps. The simulation results have shown that the proposed modulation scheme reserves the continuity of the carrier signal, such as FSK & PSK. Meanwhile, the proposed modulation scheme can be detected by a low power consumption demodulator, such as OOK & ASK.

[1]  Fan Zhang,et al.  A 23 µA RF-powered transmitter for biomedical applications , 2011, 2011 IEEE Radio Frequency Integrated Circuits Symposium.

[2]  Ling Tang,et al.  An ultra low power ASK demodulator for passive UHF RFID tag , 2011, 2011 9th IEEE International Conference on ASIC.

[3]  M. Ciacci,et al.  A 13.56Mbps PSK receiver for 13.56MHz RFID applications , 2012, 2012 IEEE Radio Frequency Integrated Circuits Symposium.

[4]  Behzad Razavi,et al.  RF Microelectronics , 1997 .

[5]  Yuh-Shyan Hwang,et al.  A New CMOS Analog Front End for RFID Tags , 2009, IEEE Transactions on Industrial Electronics.

[6]  Ganesh K. Balachandran,et al.  A Passive UHF RFID Demodulator With RF Overvoltage Protection and Automatic Weighted Threshold Adjustment , 2010, IEEE Transactions on Circuits and Systems I: Regular Papers.

[7]  Mahmood Mohammed,et al.  Low power passive RFID transponder frontend design for implantable biosensor applications , 2011, 2011 IEEE International Conference on RFID-Technologies and Applications.

[8]  Zhihua Wang,et al.  A low-power RF front-end of passive UHF RFID transponders , 2008, APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems.