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Switchable Frequency-controlled Beam Scanning Antenna Based on Spoof Surface Plasmon Polaritons | IEEE Conference Publication | IEEE Xplore

Switchable Frequency-controlled Beam Scanning Antenna Based on Spoof Surface Plasmon Polaritons


Abstract:

This paper presents a switchable frequency-controlled beam scanning antenna based on spoof surface plasmon polaritons (SSPPs). The antenna is composed of a feeding SSPP t...Show More

Abstract:

This paper presents a switchable frequency-controlled beam scanning antenna based on spoof surface plasmon polaritons (SSPPs). The antenna is composed of a feeding SSPP transmission line (TL) and two rows of resonant units which are evolved from the electric-LC (ELC) resonator. Switchable radiation is constituted by the “on-off’ status of the PIN diodes which are embedded in the structure of the resonant units. Specifically, the antenna is in a radiating state when the PIN diodes are switched on whilst in a non-radiating state when they are switched off, due to the change of currents in the units. The antenna can therefore effectively achieve switchable radiation in a designed frequency band. Moreover, it is shown that the scanning range is 41 degree and the average gain level is 11.89 dBi from 9.2 to 12.9 GHz in the radiating state. In contrast, the average gain level is 1.50 dBi from 9.2 to 12.9 GHz in the non-radiating state. The average gain isolation of the two states is 10.39 dB, which may have good potentials for reconfigurable and smart antennas.
Date of Conference: 26-28 November 2021
Date Added to IEEE Xplore: 30 December 2021
ISBN Information:
Conference Location: Shenzhen, China

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References

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