1. Finkenzeller, Klaus, RFID Handbook: Fundamentals and Applications in Contactless Smart Cards, Radio Frequency Identification and Near-field Communication, 3rd Ed., John Wiley & Sons, Hoboken, NJ, USA, 2010.

2. Sarkar, Sayan, "Three dual-band and dual-linearly polarized antenna configurations for UHF-RFID and WLAN applications," IEEE Journal of Radio Frequency Identification, Vol. 8, 571-579, 2024.
doi:10.1109/jrfid.2024.3409362        Google Scholar

3. Xu, Rui and Zhongxiang Shen, "Dual-band circularly polarized RFID reader antenna with combined dipole and monopoles," IEEE Transactions on Antennas and Propagation, Vol. 71, No. 12, 9593-9600, Dec. 2023.
doi:10.1109/tap.2023.3326945        Google Scholar

4. Liu, Qiang, Junyu Shen, Jungang Yin, Hongli Liu, and Yuanan Liu, "Compact 0.92/2.45-GH dual-band directional circularly polarized microstrip antenna for handheld RFID reader applications," IEEE Transactions on Antennas and Propagation, Vol. 63, No. 9, 3849-3856, Sep. 2015.
doi:10.1109/tap.2015.2452954        Google Scholar

5. Liu, Xinxin, Shaojun Fang, and Hongmei Liu, "A compact dual-band circularly polarized RFID reader/WLAN antenna," Proceedings of the 2021 9th International Conference on Communications and Broadband Networking, 269-273, Shanghai, China, 2021.
doi:10.1145/3456415.3456459

6. Li, Junlong, Hui Liu, Shuai Zhang, Miaohui Luo, Yuan Zhang, and Sailing He, "A wideband single-fed, circularly-polarized patch antenna with enhanced axial ratio bandwidth for UHF RFID reader applications," IEEE Access, Vol. 6, 55883-55892, 2018.
doi:10.1109/access.2018.2872692        Google Scholar

7. Caso, R., A. Michel, M. Rodriguez-Pino, and P. Nepa, "Dual-band UHF-RFID/WLAN circularly polarized antenna for portable RFID readers," IEEE Transactions on Antennas and Propagation, Vol. 62, No. 5, 2822-2826, May 2014.
doi:10.1109/TAP.2014.2303971        Google Scholar

8. Kumar, Deepak and Naveen Jaglan, "A dual band circularly polarized RFID reader antenna for Internet of Things application," 2023 9th International Conference on Signal Processing and Communication (ICSC), 13-16, Noida, India, Dec. 2023.
doi:10.1109/ICSC60394.2023.10441591

9. Panda, Jyoti Ranjan and Rakhesh Singh Kshetrimayum, "A printed 2.4 GHz/5.8 GHz dual-band monopole antenna with a protruding stub in the ground plane for WLAN and RFID applications," Progress In Electromagnetics Research, Vol. 117, 425-434, 2011.
doi:10.2528/pier11051301        Google Scholar

10. Bajaj, Chandni, Dharmendra Kumar Upadhyay, Sachin Kumar, and Binod Kumar Kanaujia, "A dual-band circularly polarized hexagonal ring antenna for handheld RFID readers," Wireless Personal Communications, Vol. 125, No. 4, 3101-3115, 2022.
doi:10.1007/s11277-022-09700-3        Google Scholar

11. Wang, Zhongbao, Ruru She, Junjie Han, Shaojun Fang, and Yuanan Liu, "Dual-band dual-sense circularly polarized stacked patch antenna with a small frequency ratio for UHF RFID reader applications," IEEE Access, Vol. 5, 15260-15270, 2017.
doi:10.1109/access.2017.2733625        Google Scholar

12. Zhang, Wen-Hai, Pedro Cheong, Wen-Jun Lu, and Kam-Weng Tam, "Planar endfire circularly polarized antenna for low profile handheld RFID reader," IEEE Journal of Radio Frequency Identification, Vol. 2, No. 1, 15-22, Mar. 2018.
doi:10.1109/jrfid.2018.2817570        Google Scholar

13. Choi, Jaehoon, Uisheon Kim, Youngman Um, and Dongmin Shin, "Design of antennas for the UHF RFID system," 2008 International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, 75-78, Chiba, Japan, Mar. 2008.
doi:10.1109/iwat.2008.4511294

14. Xu, Rui, Jie Liu, Kun Wei, Wei Hu, Zi-Jian Xing, Jian-Ying Li, and Steven Shichang Gao, "Dual-band circularly polarized antenna with two pairs of crossed-dipoles for RFID reader," IEEE Transactions on Antennas and Propagation, Vol. 69, No. 12, 8194-8203, 2021.
doi:10.1109/tap.2021.3083827        Google Scholar

15. Lai, Fei-Peng, Ji-Fong Yang, and Yen-Sheng Chen, "Compact dual-band circularly polarized antenna using double cross dipoles for RFID handheld readers," IEEE Antennas and Wireless Propagation Letters, Vol. 19, No. 8, 1429-1433, Aug. 2020.
doi:10.1109/lawp.2020.3004881        Google Scholar

16. Ojaroudi Parchin, Naser, Haleh Jahanbakhsh Basherlou, Raed A. Abd-Alhameed, and James M. Noras, "Dual-band monopole antenna for RFID applications," Future Internet, Vol. 11, No. 2, 31, 2019.
doi:10.3390/fi11020031        Google Scholar

17. Sarkar, Sayan and Bhaskar Gupta, "A dual-band circularly polarized antenna with a dual-band AMC reflector for RFID readers," IEEE Antennas and Wireless Propagation Letters, Vol. 19, No. 5, 796-800, May 2020.
doi:10.1109/lawp.2020.2980325        Google Scholar

18. Panda, Jyoti Ranjan, Aditya Sri Ram Saladi, and Rakhesh Singh Kshetrimayum, "A compact printed monopole antenna for dual-band RFID and WLAN applications," Radioengineering, Vol. 20, No. 2, 464-467, Jun. 2011.        Google Scholar

19. Huang, Ting-Jui and Heng-Tung Hsu, "A high-gain circularly-polarized dual-band antenna array for RFID reader applications," 2012 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, 1-2, Chengdu, China, Aug. 2012.
doi:10.1109/iWEM.2012.6320353

20. Sarkar, Sayan and Bhaskar Gupta, "A dual frequency circularly polarized UHF-RFID/WLAN circular patch antenna for RFID readers," 2019 IEEE International Conference on RFID Technology and Applications (RFID-TA), 448-452, Pisa, Italy, Sep. 2019.
doi:10.1109/RFID-TA.2019.8892107

21. Wang, Xiaoting, Zijian Xing, Zijie Zhao, Jianying Li, and Qianan Yu, "Dual-band polarization conversion metasurface-assisted compact high-efficiency RFID reader antenna design," IEEE Transactions on Antennas and Propagation, Vol. 72, No. 11, 8810-8815, Nov. 2024.
doi:10.1109/tap.2024.3411153        Google Scholar