1. Agarwal, V. K., A. K. Shaw, M. K. Das, et al. "A novel compact dual frequency microstrip antenna," Procedia Technology, Vol. 4, 427-430, 2012.
doi:10.1016/j.protcy.2012.05.067
2. Cao, W.-Q., B.-N. Zhang, A. J. Liu, D.-S. Guo, T.-B. Yu, and Y. Wei, "A dual-band microstrip antenna with omnidirectional circularly polarized and unidirectional linearly polarized characteristics based on metamaterial structure," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 2-3, 274-283, 2012.
doi:10.1163/156939312800030811
3. Yoo, S. and S. Kahng, "CRLH ZOR antenna of a circularCRLH ZOR antenna of a circular microstrip patch capacitively coupled to a circular shorted ring," Progress In Electromagnetics Research C, Vol. 25, 15-26, 2012.
doi:10.2528/PIERC11072803
4. Shu, P. and Q. Feng, "Compact tri-band monopole antenna with a parasitic E-shaped strip for WLAN/Wimax applications," Progress In Electromagnetics Research C, Vol. 32, 53-63, 2012.
5. Hasar, U. C., J. J. Barroso, M. Ertugrul, C. Sabah, and B. Cavusoglu, "Application of a useful uncertainty analysis as a metric tool for assessing the performance of electromagnetic properties retrieval methods of bianisotropic metamaterials," Progress In Electromagnetics Research, Vol. 128, 365-380, 2012.
6. Liu, X., S. N. Burokur, A. de Lustrac, G. Sabanowski, and G. P. Piau, "Compact base station antennas using metamaterials," Progress In Electromagnetics Research C, Vol. 33, 43-53, 2012.
7. Smith, D., S. Schultz, P. Marko·s, et al. "Determination of effective permittivity and permeability of metamaterials from reflection and transmission coefficients," Physical Review B, Vol. 65, No. 19, 195104, 2002.
doi:10.1103/PhysRevB.65.195104
8. Ahn, D., J. S. Park, C. S. Kim, et al. "A design of the low-pass filter using the novel microstrip defected ground structure," IEEE Transactions on Microwave Theory and Techniques, Vol. 49, No. 1, 86-93, 2001.
doi:10.1109/22.899965
9. Xiao, J. K. and Y. F. Zhu, "New U-shaped DGS bandstop filters," Progress In Electromagnetics Research C, Vol. 25, 179-191, 2012.
doi:10.2528/PIERC11091805
10. Zarifi, D., H. Oraizi, and M. Soleimani, "Improved performance of circularly polarized antenna using semi-planar chiral metamaterial covers," Progress In Electromagnetics Research, Vol. 123, 337-354, 2012.
doi:10.2528/PIER11110506
11. Moghadas, H. and A. Tavakoli, "A semi-numerical design algorithm for defected ground structure in microstrip antenna arrays," 2012 IEEE Antennas and Propagation Society International Symposium (APSURSI), 1-2, 2012.
doi:10.1109/APS.2012.6347990
12. Chang, K., T. Jiang, L. Ran, et al. "Investigation of microwave negative refractive index (NRI) transmission lines incorporating tunnel diodes," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 671-674, 2012.
doi:10.1109/LAWP.2012.2203330
13. Zhang, J., S. Cheung, and T. Yuk, "Compact composite right/left-handed transmission line unit cell for the design of true-time-delay lines," lines," IET Microwaves, Antennas & Propagation, Vol. 6, No. 8, 893-898, 2012.
doi:10.1049/iet-map.2011.0579
14. Gong, J. Q., C. H. Liang, and B. Wu, "Compact dual-band 90o couplers with customizable power division ratios utilizing SCRLH transmission lines," Progress In Electromagnetics Research C, Vol. 36, 29-40, 2013.
15. Su, P., X. Q. Lin, R. Zhang, et al. "An improved CRLH wide-band ¯lter using CSRRS with high stop band rejection," Progress In Electromagnetics Research Letters, Vol. 32, 119-127, 2012.
16. Lin, X., P. Su, Y. Fan, and Z. B. Zhu, "Improved CRLH-TL with arbitrary characteristic impedance and its application in hybrid ring design," Progress In Electromagnetics Research, Vol. 124, 249-263, 2012.
doi:10.2528/PIER11112303
17. Kang, W., G. Yang, H. Wang, C. Miao, and W. Wu, "Miniaturized dual-mode composite-right/left-handed line resonator filter with wide harmonic suppression," Progress In Electromagnetics Research Letters, Vol. 28, 73-81, 2012.
doi:10.2528/PIERL11092708
18. Liu, S. X. and Q. Feng, "Compact multi-band loop antennas using CPW-based CRLH quarter-wave type resonators," Progress In Electromagnetics Research C, Vol. 28, 47-60, 2012.
doi:10.2528/PIERC12012201
19. Liu, C. Y., Q. X. Chu, and J. Q. Huang, "A planar D-CRLH and its application to bandstop filter and leaky-wave antenna," Progress In Electromagnetics Research Letters, Vol. 19, 93-102, 2010.
20. Lim, S., C. Caloz, and T. Itoh, "A reflectodirective system using a composite right/left-handed (CRLH) leaky-wave antenna and heterodyne mixing," IEEE Microwave and Wireless Components Letters, Vol. 14, No. 4, 183-185, 2004.
doi:10.1109/LMWC.2004.827107
21. Mok, S., S. Kahng, and Y. Kim, "A wide band metamaterial ZOR antenna of a patch coupled to a ring mushroom," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 13, 1667-1674, 2012.
doi:10.1080/09205071.2012.708965
22. Chen, P. W. and F. C. Chen, "Asymmetric coplanar waveguide (ACPW) zeroth-order resonant (ZOR) antenna with high efficiency and bandwidth enhancement," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 527-530, 2012.
doi:10.1109/LAWP.2012.2198191
23. Singh, G. K., R. K. Chaudhary, and K. V. Srivastava, "A compact zeroth order resonating antenna using complementary split ring resonator with mushroom type of structure," Progress In Electromagnetics Research Letters, Vol. 28, 139-148, 2012.
doi:10.2528/PIERL11110709
24. Geng, L., G.-M. Wang, C.-X. Zhang, and Y.-W. Wang, "Fractal-based composite right/left-handed transmission line and its applications in miniaturized negative-order resonant antennas," Progress In Electromagnetics Research Letters, Vol. 36, 155-162, 2013.
25. Cao, W.-Q., A. J. Liu, B.-N. Zhang, T.-B. Yu, D.-S. Guo, Y. Wei, and Z.-P. Qian, "Multi-band multi-mode microstrip circular patch antenna loaded with metamaterial structures," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 7, 923-931, 2012.
doi:10.1080/09205071.2012.710377
26. Ibrahim, A. A., A. M. E. Safwat, and H. El-Hennawy, "Triple-band microstrip-fed monopole antenna loaded with CRLH unit cell," IEEE Antennas and Wireless Propagation Letters, Vol. 10, 1547-1550, 2011.
doi:10.1109/LAWP.2011.2181813
27. Caloz, C., T. Itoh, and A. Rennings, "CRLH metamaterial leaky-wave and resonant antennas," IEEE Antennas and Propagation Magazine, Vol. 50, No. 5, 25-39, 2008.
doi:10.1109/MAP.2008.4674709
28. Ibrahim, A. and A. Safwat, "Microstrip-fed monopole antennas loaded with CRLH unit cells," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 9, 4027-4036, 2012.
doi:10.1109/TAP.2012.2207080
29. Raslan, A., A. Ibrahim, and A. Safwat, "Resonant type antennas loaded with CRLH unit cell," IEEE Antennas and Wireless Propagation Letters, Vol. PP, No. 99, Early Access Article, 2012.
30. Upadhyay, D. K. and S. Pal, "An improved full scanning antenna using left-handed materials," Microwave and Optical Technology Letters, Vol. 55, 261-265, 2013.
doi:10.1002/mop.27333
31. Ryu, Y. H., et al. "Multiband antenna using +1, -1, and 0 resonant mode of DGS dual composite right/left handed transmission line," Microwave and Optical Technology Letters, Vol. 51, 2485-2488, 2009.
doi:10.1002/mop.24649
32. Ryu, Y.-H., et al. "DGS dual composite right/lefthanded transmission line," IEEE Microwave and Wireless Components Letters, Vol. 18, 434-436, 2008.
33. Caloz, C. and T. Itoh, Electromagnetic Metamaterials: Transmission Line Theory and Microwave Applications, Wiley-IEEE Press, 2005.
doi:10.1002/0471754323