Comparison of Different Order Filtering Antennas

Mansour, Ghaith; Nugoolcharoenlap, Ekasit; Lancaster, M.J.; Akkaraekthalin, Prayoot

doi:10.1109/ri2c48728.2019.8999887

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Table 2 provides a comparison of our designs and the previous filtering antennas, and it shows that even if the reference [17] has the highest slope, it lacks the measurement validation. Reference [18] also has better selectivity than the proposed designs; The sharpest slope is calculated as G max dB-20 dB/f max -f 20 dB GHz, where G max is the maximum gain within the bandwidth, and f max and f 20 are, respectively, the frequency points regarding to the decrease from the maximum realized gain by 20 dB [21].…”

Section: Resultsmentioning

confidence: 99%

“…In other words, the order of the filter used affects the filter selectivity, which applies to the filtering antenna based on the co-design. Reference [17] compares filtering antennas of different orders using simulation method; a square-ring resonator was used, but the study has no measurement validation results. The F and L inverted filtering antennas, based on the third-and fourthorder filters, respectively, are synthesized in [18]; however, both antennas use different resonators, and no comparison between the two orders has been conducted.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Selectivity improvement of interdigital filtering-antenna using different orders for 5 G application

Cahyasiwi

Roza

Mujirudin

et al. 2022

Int. J. Microw. Wireless Technol.

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In this paper, filter and antenna integration is studied to produce a compact device for wireless front-end equipment. Filtering antennas are advanced due to their selectivity performance, represented by a flat gain response. Two filtering antennas are proposed to improve the selectivity using different orders. The first antenna is based on second-order filter and the other on third-order filter. Both antennas are designed to operate at 4.65 GHz for mid-band 5 G application with a bandwidth of 6.45%. The first antenna integrates a rectangular radiator and an interdigital resonator based on second-order filter. It obtained a bandwidth impedance of −10 dB for 300 MHz and a maximum gain of 6.48 dBi. Meanwhile, the second design consists of a rectangular radiator and two interdigital resonators based on third-order filter as the feedline. Having the same bandwidth as the first design, the second design achieved a flat gain of 6.37 dBi in the operational bandwidth. The second antenna design showed better selectivity with sharper gain than the first design. The two antennas were fabricated and measured for validation. The simulation and measurement results showed good agreement.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%