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Table 2 Summary of performance of variety of up-to-date antenna design

From: Bio-inspired optimization algorithms applied to rectenna design

Literature Antenna type Designed band Antenna gain Return loss
M. Arrawatia, et al. [39] Differential Microstrip 0.87 GHz  1.05 GHz 8.5 dBi 17.2984 dB
S. Ghosh, et al. [40] Microstrip 0.935 GHz  0.96 GHz 4.0947 dB 12.82 dB
H. Saghlatoon, et al. [41] Planar Monopole 0.6 GHz  1.5 GHz 3.432 dBi 27.5 dB
A. Dadgarpour, et al. [42] Bow-tie 2.5 GHz  3.9 GHz ≥ 10.9 dBi 27.68 dB
M. W. Zeng, et al. [10] Fractal Loop 1.73 GHz  1.84 GHz 3.2 dBi 31.25 dB
M. Arrawatia, et al.[11] Triangular Monopole 0.85 GHz  1.94 GHz ≥ 2 dBi 19.085
J. Wen, et al.[13] Dipole 1.7 GHz  3.6 GHz 9.05 dBi 33.75 dB
D. Yang, et al.[14] Planar Quasi-Yagi 3.15 GHz  10.65 GHz 7.6 dBi 24.714 dB
R. Maher, et al. [15] Planar 2.1 GHz  7GHz 11.4585 dBi 44.1499
J. Y. Li, et al. [16] Dipole 2.48 GHz  9.51GHz ≥ 6dBi 19.08
K. P. Esselle, et al. [17] Microstrip 4 GHz  9.5GHz ≥ 7.4 dBi 35
W. Han, et al. [43] Circular Microstrip 6.12 GHz  6.84 GHz 8.7 dBi 14 dB