TX Leakage Cancellation via a Micro Controller and High TX-to-RX Isolations Covering an UHF RFID Frequency Band of 908–914 MHz

Author

Jung, Jin-Woo ; Roh, Hyoung-Hwan ; Kim, Jong-Cheol ; Kwak, Ho-Gil ; Jeong, Myoung Sub ; Park, Jun-Seok

Author_Institution

Ubiquitous Convergence Res. Center, Kookmin Univ., Seoul

Volume

18

Issue

10

fYear

2008

Firstpage

710

Lastpage

712

Abstract

A transmitter (TX) leakage cancellation scheme using a micro controller (MCU) is introduced. This letter highlights an adaptive anti-leakage signal generation via an MCU, which plays the key role in reducing the TX leakage signal level. High transmitter-to-receiver (TX-to-RX) isolation is verified with measurement results.

Keywords

UHF devices; microcontrollers; radio transmitters; radiofrequency identification; UHF RFID frequency band; adaptive antileakage signal generation; frequency 908 MHz to 914 MHz; high transmitter-to-receiver isolation; micro controller; transmitter leakage cancellation; Antenna measurements; Couplings; Directional couplers; Frequency; Home appliances; Information technology; Phase shifters; Radio transmitters; Radiofrequency identification; Signal generators; Micro controller (MCU); transmitter (TX) leakage cancellation; transmitter-to-receiver (TX-to-RX) isolation;

fLanguage

English

Journal_Title

Microwave and Wireless Components Letters, IEEE

Publisher

ieee

ISSN

1531-1309

Type

jour

DOI

10.1109/LMWC.2008.2003487

Filename

4639558