Frequency switchable printed Yagi-Uda dipole sub-array for base station antennas

Yong Cai; Y. Jay Guo; Pei Yuan Qin

doi:10.1109/TAP.2011.2180337

Frequency switchable printed Yagi-Uda dipole sub-array for base station antennas

Yong Cai^*, Y. Jay Guo, Pei Yuan Qin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

43 Citations (Scopus)

Abstract

A frequency switchable printed Yagi-Uda dipole sub-array is proposed as an array element for base station antennas. The sub-array consists of four Yagi-Uda dipole elements loaded with PIN diodes. The electrical lengths of the director and driven dipole elements can be changed by controlling the PIN diodes states so that the sub-array can operate in two different frequency bands. The impedance bandwidth (|S ₁₁| ≤ -10 dB) is measured to be 4.9% and 12.9% in the lower (from 2.39 to 2.51 GHz) and higher band (from 3.18 to 3.62 GHz), respectively. The measured gain of the sub-array is 9.2 and 11.9 dBi at 2.44 and 3.4 GHz, respectively. The end-fire fan-beam pattern is obtained across the two operation bands, which makes the antenna element suitable for base station application with frequency reconfigurablity.

Original language	English
Article number	6107526
Pages (from-to)	1639-1642
Number of pages	4
Journal	IEEE Transactions on Antennas and Propagation
Volume	60
Issue number	3
DOIs	https://doi.org/10.1109/TAP.2011.2180337
Publication status	Published - Mar 2012
Externally published	Yes

Keywords

Base station
PIN diode
reconfigurable array antenna
Yagi-Uda antenna

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10.1109/TAP.2011.2180337

Cite this

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title = "Frequency switchable printed Yagi-Uda dipole sub-array for base station antennas",

abstract = "A frequency switchable printed Yagi-Uda dipole sub-array is proposed as an array element for base station antennas. The sub-array consists of four Yagi-Uda dipole elements loaded with PIN diodes. The electrical lengths of the director and driven dipole elements can be changed by controlling the PIN diodes states so that the sub-array can operate in two different frequency bands. The impedance bandwidth (|S 11| ≤ -10 dB) is measured to be 4.9% and 12.9% in the lower (from 2.39 to 2.51 GHz) and higher band (from 3.18 to 3.62 GHz), respectively. The measured gain of the sub-array is 9.2 and 11.9 dBi at 2.44 and 3.4 GHz, respectively. The end-fire fan-beam pattern is obtained across the two operation bands, which makes the antenna element suitable for base station application with frequency reconfigurablity.",

keywords = "Base station, PIN diode, reconfigurable array antenna, Yagi-Uda antenna",

author = "Yong Cai and Guo, {Y. Jay} and Qin, {Pei Yuan}",

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doi = "10.1109/TAP.2011.2180337",

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AU - Qin, Pei Yuan

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N2 - A frequency switchable printed Yagi-Uda dipole sub-array is proposed as an array element for base station antennas. The sub-array consists of four Yagi-Uda dipole elements loaded with PIN diodes. The electrical lengths of the director and driven dipole elements can be changed by controlling the PIN diodes states so that the sub-array can operate in two different frequency bands. The impedance bandwidth (|S 11| ≤ -10 dB) is measured to be 4.9% and 12.9% in the lower (from 2.39 to 2.51 GHz) and higher band (from 3.18 to 3.62 GHz), respectively. The measured gain of the sub-array is 9.2 and 11.9 dBi at 2.44 and 3.4 GHz, respectively. The end-fire fan-beam pattern is obtained across the two operation bands, which makes the antenna element suitable for base station application with frequency reconfigurablity.

AB - A frequency switchable printed Yagi-Uda dipole sub-array is proposed as an array element for base station antennas. The sub-array consists of four Yagi-Uda dipole elements loaded with PIN diodes. The electrical lengths of the director and driven dipole elements can be changed by controlling the PIN diodes states so that the sub-array can operate in two different frequency bands. The impedance bandwidth (|S 11| ≤ -10 dB) is measured to be 4.9% and 12.9% in the lower (from 2.39 to 2.51 GHz) and higher band (from 3.18 to 3.62 GHz), respectively. The measured gain of the sub-array is 9.2 and 11.9 dBi at 2.44 and 3.4 GHz, respectively. The end-fire fan-beam pattern is obtained across the two operation bands, which makes the antenna element suitable for base station application with frequency reconfigurablity.

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Frequency switchable printed Yagi-Uda dipole sub-array for base station antennas

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Keywords

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