Fig. 1(b)
|
659
|
45%
|
13, 1.9
|
-1.52
|
-52
|
0.007
|
1.64
|
Fig. 9(a)
|
949
|
21%
|
42, 4.42
|
1.0
|
-56
|
0.009
|
2.19
|
[11[11] S. Radavaram and M. Pour, “Wideband Radiation Reconfigurable Microstrip Patch Antenna Loaded with Two Inverted U-Slots”, IEEE Transactions On Antennas and Propagation, vol. 67, pp. 1501-1508, 2019.] |
3000 |
– |
2040, 68 |
9.6 |
< −34 |
0.02 |
2.3 |
[12[12] H. Elftouh, N. Touhami, M. Aghoutane, S. Amrani, A. Tazon and M. Boussouis, “Miniaturized microstrip patch antenna with defected ground structure”, Progress in Electromagnetic Research, vol. 55, pp. 25-33, 2014.] |
3000 |
50% |
– |
2.1 |
– |
0.03 |
0.323 |
[16[16] U. Chakraborty, S. K. Chowdhury and A. K. Bhattacharjee, “Frequency tuning and miniaturization of square microstrip antenna embedded with ‘t’ shape defected ground structure”, Microwave and Optical Technology Letters, vol. 55, pp. 869-872, 2013.] |
1800 |
77% |
81, 4.5 |
0.43 |
– |
0.02 |
0.5 |
[17[17] K. Mondal and P. Sarkar, “High gain wide-band U-shape patch antennas with modified ground planes”, IEEE transactions of Antennas and Propagation, vol. 61, pp. 2279-2282, 2013.] Circular ground plane |
7900 |
– |
6850, 86.79 |
4.1 |
– |
0.06 |
0.163 |
[17[17] K. Mondal and P. Sarkar, “High gain wide-band U-shape patch antennas with modified ground planes”, IEEE transactions of Antennas and Propagation, vol. 61, pp. 2279-2282, 2013.] Square ground plane |
7900 |
– |
5999, 75.94 |
2.39 |
– |
0.06 |
0.163 |
[18[18] S. Baudha and M. V. Yadav, “A novel design of a planar antenna with modified patch and defective ground plane for ultra-wideband applications”, Microwave and Optical Technology Letters, vol. 61, pp. 1320-1327, 2019.] |
6950 |
3.4% |
7700, 110 |
5.1 |
-20 |
0.077 |
0.25 |
[19[19] A. U. Pawar, S. Chakraborty, L. L. Singh and S. Chattopadhyay, “Application of defected ground structure for augmenting high gain ultra-wide bandwidth from rectangular microstrip antenna”, Electromagnetics, vol. 38, pp. 123-133, 2018.] |
12200 |
– |
7100, 58 |
9.2 |
-30 |
0.097 |
0.47 |
[25[25] C. Kumar and D. Guha, “Reduction in Cross-Polarized Radiation of Microstrip Patches using Geometry Independent resonant-type defected ground structure”, IEEE transactions of Antennas and Propagation, vol. 63, pp. 2767-2772, 2015.] Square |
10100 |
– |
710, 7 |
6.2 |
-40 |
0.08 |
0.36 |
[25[25] C. Kumar and D. Guha, “Reduction in Cross-Polarized Radiation of Microstrip Patches using Geometry Independent resonant-type defected ground structure”, IEEE transactions of Antennas and Propagation, vol. 63, pp. 2767-2772, 2015.] circular |
10100 |
– |
660 |
6.1 |
-40 |
0.08 |
0.4 |
[26[26] C. Kumar and D. Guha, “Asymmetric geometry of defected ground structure for rectangular microstrip: A new approach to reduce its cross-polarized fields”, IEEE transactions of Antennas and Propagation, vol. 64, pp. 2503-2506, 2016.] |
10000 |
0.5% |
1000, 10 |
– |
-43 |
0.08 |
0.29 |
[27[27] A. Ghosh, S. Chakraborty, S. Chattopadhyay, A. Nandi and B. Basu, “Rectangular microstrip antenna with dumbbell shape defected ground structure for improved cross-polarized radiation in wide elevation angle and its theoretical analysis”, IET Microwaves, Antennas & Propagation, vol. 10, pp. 68-78, 2016.] |
10680 |
0.3% |
– |
5.1 |
-41 |
0.08 |
0.279 |
[28[28] C. Kumar and D. Guha, “Asymmetric and compact DGS configuration for circular patch with improved radiations”, IEEE Antennas and Wireless Propagation Letters, vol. 19, pp. 355-357, 2020.] |
10000 |
– |
800 |
– |
-46 |
0.08 |
0.4 |