Fractal-Shaped DGS and Its Sensitivity Analysis with Microstrip Patch Antenna for 2.4 GHz WLAN Applications

Hota, Smeeta; Mishra, Guru Prasad; Mangaraj, Biswa Binayak

doi:10.1007/978-981-13-3393-4_59

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2021

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“…[9][10][11][12][13][14][15][16][17][18][19][20] Therefore, microstrip patch antennas are one of the good options to achieve the miniaturization due to their low profile. [21][22][23][24][25][26] When an antenna is used commonly between Tx and Rx, usually a circulator is applied. But unfortunately using circulator only 15 dB isolation can be achieved.…”

Section: Introductionmentioning

confidence: 99%

Miniaturized microstrip patch antenna with high inter‐port isolation for full duplex communication system

Ahmad

Oskouei

Shirkolaei

2021

Int J RF Microw Comput Aided Eng

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In this paper, an antenna is presented for in-band full duplex technology. This antenna includes a microstrip patch and a new 180 hybrid coupler. The designed 180 hybrid coupler has new structure that miniaturizes the entire system and also eliminates the self-interference signal that leaks from transmitter to receiver. In this antenna, at 2.4 GHz, an isolation between transmit and receive ports is more than 79 dB. Additionally, in this antenna, the measured inter-port isolation is better than 68, 72, and 74 dB for 80, 50, and 20 MHz bandwidths respectively in 10 dB return loss impedance. The dimensions of the designed antenna are 68 mm Â 60 mm, and in compare with similar designed antenna is considerably smaller (more than 60%) with acceptable isolation.

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