The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation

A.B. Smolders; U. Johannsen

doi:10.1109/APS.2011.5997236

The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

2 Citations (Scopus)

4 Downloads (Pure)

Abstract

Several future portable/mobile applications operating at mm-wave frequencies will require circular polarization. At the same time, these applications need to use a phased-array concept in order to cope with the associated free space path loss. By sequentially rotating linearly-polarized antenna elements, circular polarization can be obtained in a phased-array. Calibration is required to obtain a low axial ratio when scanning the beam off-broadside. The purpose of this paper is to show the effect of phase and amplitude quantization on the calibration accuracy of the axial ratio. Measured results from a 60 GHz demonstrator are used to investigate the required accuracy of the phase- and amplitude setting of each of the array elements. It is found that an accuracy of 4 bits results in an axial ratio of 0.73 dB rms for scanning between +/-30 #x00B0;.

Original language	English
Title of host publication	Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington
Place of Publication	Piscataway
Publisher	Institute of Electrical and Electronics Engineers
Pages	3283-3286
ISBN (Print)	978-1-4244-9562-7
DOIs	https://doi.org/10.1109/APS.2011.5997236
Publication status	Published - 2011

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10.1109/APS.2011.5997236

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Smolders, A. B., & Johannsen, U. (2011). The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation. In Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington (pp. 3283-3286). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/APS.2011.5997236

Smolders, A.B. ; Johannsen, U. / The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation. Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington. Piscataway : Institute of Electrical and Electronics Engineers, 2011. pp. 3283-3286

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title = "The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation",

abstract = "Several future portable/mobile applications operating at mm-wave frequencies will require circular polarization. At the same time, these applications need to use a phased-array concept in order to cope with the associated free space path loss. By sequentially rotating linearly-polarized antenna elements, circular polarization can be obtained in a phased-array. Calibration is required to obtain a low axial ratio when scanning the beam off-broadside. The purpose of this paper is to show the effect of phase and amplitude quantization on the calibration accuracy of the axial ratio. Measured results from a 60 GHz demonstrator are used to investigate the required accuracy of the phase- and amplitude setting of each of the array elements. It is found that an accuracy of 4 bits results in an axial ratio of 0.73 dB rms for scanning between +/-30 \#x00B0;.",

author = "A.B. Smolders and U. Johannsen",

year = "2011",

doi = "10.1109/APS.2011.5997236",

language = "English",

isbn = "978-1-4244-9562-7",

pages = "3283--3286",

booktitle = "Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington",

publisher = "Institute of Electrical and Electronics Engineers",

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}

Smolders, AB & Johannsen, U 2011, The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation. in Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington. Institute of Electrical and Electronics Engineers, Piscataway, pp. 3283-3286. https://doi.org/10.1109/APS.2011.5997236

The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation. / Smolders, A.B.; Johannsen, U.
Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington. Piscataway: Institute of Electrical and Electronics Engineers, 2011. p. 3283-3286.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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AU - Smolders, A.B.

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PY - 2011

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N2 - Several future portable/mobile applications operating at mm-wave frequencies will require circular polarization. At the same time, these applications need to use a phased-array concept in order to cope with the associated free space path loss. By sequentially rotating linearly-polarized antenna elements, circular polarization can be obtained in a phased-array. Calibration is required to obtain a low axial ratio when scanning the beam off-broadside. The purpose of this paper is to show the effect of phase and amplitude quantization on the calibration accuracy of the axial ratio. Measured results from a 60 GHz demonstrator are used to investigate the required accuracy of the phase- and amplitude setting of each of the array elements. It is found that an accuracy of 4 bits results in an axial ratio of 0.73 dB rms for scanning between +/-30 #x00B0;.

AB - Several future portable/mobile applications operating at mm-wave frequencies will require circular polarization. At the same time, these applications need to use a phased-array concept in order to cope with the associated free space path loss. By sequentially rotating linearly-polarized antenna elements, circular polarization can be obtained in a phased-array. Calibration is required to obtain a low axial ratio when scanning the beam off-broadside. The purpose of this paper is to show the effect of phase and amplitude quantization on the calibration accuracy of the axial ratio. Measured results from a 60 GHz demonstrator are used to investigate the required accuracy of the phase- and amplitude setting of each of the array elements. It is found that an accuracy of 4 bits results in an axial ratio of 0.73 dB rms for scanning between +/-30 #x00B0;.

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BT - Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington

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Smolders AB , Johannsen U. The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation. In Proceedings of the 2011 IEEE International Symposium on Antennas and Propagation (APSURSI), 3-8 July 2011, Spokane, Washington. Piscataway: Institute of Electrical and Electronics Engineers. 2011. p. 3283-3286 doi: 10.1109/APS.2011.5997236

The effect of phase and amplitude quantization on the axial ratio quality of mm-wave phased-arrays with sequential rotation

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