Our journal paper published in IEEE AWPL, Feb. 2019

Yen-Sheng Chen, Tong-Yang Jiang, and Fei-Peng Lai, “Automatic topology generation of 21-bit chipless radiofrequency identification tags using a non-iterative technique,” IEEE Antennas Wireless Propag. Lett., vol. 18, no. 2, pp. 293–297, Feb. 2019.