[3[3] P.-Y. Qin, F. Wei, and Y. J. Guo, “A wideband-to-narrowband tunable antenna using a reconfigurable filter,” IEEE Transactions on Antennas and Propagation, vol. 63, no. 5, pp. 2282–2285, 2015.] |
30×65×0.8 |
Three-line coupled resonator integrated onto feedline |
1 |
PIN (1) and varactor (2) |
3.5-5.5 |
3.9-4.82 |
[9[9] E. Ebrahimi, J. R. Kelly, and P. S. Hall, “Integrated wide-narrowband antenna for multi-standard radio,” IEEE transactions on antennas and propagation, vol. 59, no. 7, pp. 2628–2635, 2011.] |
36×54×0.8 |
Shorted microstrip patch integrated with a CPW fed monopole |
2 |
NA |
3.1-10.6 |
4.9-5.35, 8 and 10 |
[10[10] R. Hussain and M. S. Sharawi, “A cognitive radio reconfigurable MIMO and sensing antenna system,” IEEE Antennas and Wireless Propagation Letters, vol. 14, pp. 257–260, 2014.] |
65×120×1.6 |
Meander-line planar antenna integrated onto UWB sensing antenna |
3 |
PIN (2) and varactor (2) diode |
0.72-3.44 |
0.57-2.55 |
[11[11] A. Gandhi and N. Anveshkumar, “A planar four-port integrated UWB and NB antenna system for CR in 3.1 GHz to 10.6 GHz” 2019 National Conference on Communications (NCC), pp. 1–6, 2019.] |
28×31×1.6 |
1 UWB and 3 NB monopole resonators integrated onto single substrate |
4 |
NA |
2.9-13.1 |
3.06-4.49, 4.29- 6, 5.97-8.35, and 8.26-11.16 |
[12[12] A. Nella and A. S. Gandhi, “A five-port integrated UWB and narrowband antennas system design for CR applications,” IEEE Transactions on Antennas and Propagation, vol. 66, no. 4, pp. 1669–1676, 2018.] |
40×36×1.6 |
1 UWB and 4 NB monopole resonators integrated onto single substrate |
5 |
NA |
3.1-10.6 |
3.06-4.23, 4-6.36, 6.33-8.33, 8.7-9.92 and 9.82-10.74 |
[13[13] M. Abioghli, A. Keshtkar, M. Naser-Moghadasi, and B. Ghalamkari, “UWB rectangular DRA integrated with reconfigurable narrowband antenna for cognitive radio applications,” IETE Journal of Research, pp. 1–9, 2018.] |
65×40×6.5 |
Rectangular DRA integrated with a reconfigurable NB antenna |
1 |
PIN (2) |
3.0-11.0 |
3.4-3.65, 5.5- 6.5 and 8-8.4 |
[14[14] M. Bitchikh, W. Rili, and M. Mokhtar, “An UWB to narrow band and Bi-bands reconfigurable octogonal antenna,” Progress In Electromagnetics Research, vol. 74, pp. 69–75, 2018.] |
40×60×1.6 |
C and T-shaped stub resonators integrated onto TL |
1 |
Ideal switches (5) |
3.2-12.0 |
3.31 and 5.1 |
[15[15] A. Mansoul, F. Ghanem, M. R. Hamid, and M. Trabelsi, “A selective frequency-reconfigurable antenna for cognitive radio applications,” IEEE antennas and wireless propagation letters, vol. 13, pp. 515–518, 2014.] |
68×68×1.6 |
Inverted U-shaped radiator with 4 slots in ground |
1 |
PIN (12) |
2.63-3.7 |
2.6-3.4 |
[16[16] B.-J. Liu, J.-H. Qiu, S.-C. Lan, and G.-Q. Li, “A wideband-to-narrowband rectangular dielectric resonator antenna integrated with tunable bandpass filter,” IEEE Access, vol. 7, pp. 61 251–61 258, 2019.] |
24×32×1.0 |
Rectangular DRA excited by microstrip feedline with a reconfigurable filter |
1 |
PIN (3) and varactor(1) diode |
3.82-8.94 |
5.22-6.07 |
This work |
18×21×1.6 |
Pentagonal monopole excited by reconfigurable bypass feed |
1 |
PIN (12) |
2.4-18 |
5.3-6.8, 6-7.6, 7.2-8.8 and 8.4-11.4 |