A novel on-board and amplitude-only measurement method for phase array calibration

Chen, Boshen; Ouyang, Jun; Wu, Guibin; Long, Rui

doi:10.1109/apcap.2016.7843178

Cited by 5 publications

(3 citation statements)

References 2 publications

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“…The phase shifter corresponding to the maximum amplitude is used to calculate the phase error of each antenna. Detailed description of the REV method can be found in [15,16].…”

Section: Problemmentioning

confidence: 99%

“…Plenty of works have been down in this method. However, in these works, only one antenna transmits at a time, and this procedure is repeated until all antennas are measured [14,16].…”

Section: Introductionmentioning

confidence: 99%

“…Reference [16] combines the mutual coupling method and the rotating element electric field vector (REV) method [17] to achieve amplitude-only measurement for phased array calibration. By shifting the phase of one antenna from 0∘ to 360∘, the REV method measures the composite electronic field of the entire array and obtains the amplitude and phase for the antenna.…”

Section: Introductionmentioning

confidence: 99%

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A Fast Calibration Method for Phased Arrays by Using the Graph Coloring Theory

Yang

Dang

et al. 2018

Sensors

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Phased array radars are able to provide highly accurate airplane surveillance and tracking performance if they are properly calibrated. However, the ambient temperature variation and device aging could greatly deteriorate their performance. Currently, performing a calibration over a large-scale phased array with thousands of antennas is time-consuming. To facilitate the process, we propose a fast calibration method for phased arrays with omnidirectional radiation patterns based on the graph coloring theory. This method transforms the calibration problem into a coloring problem that aims at minimizing the number of used colors. By reusing the calibration time slots spatially, more than one omnidirectional antenna can perform calibration simultaneously. The simulation proves this method can prominently reduce total calibration time and recover the radiation pattern from amplitude and phase errors and noise. It is worth noting that the total calibration time consumed by the proposed method remains constant and is negligible compared with other calibration methods.

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“…The phase shifter corresponding to the maximum amplitude is used to calculate the phase error of each antenna. Detailed description of the REV method can be found in [15,16].…”

Section: Problemmentioning

confidence: 99%

“…Plenty of works have been down in this method. However, in these works, only one antenna transmits at a time, and this procedure is repeated until all antennas are measured [14,16].…”

Section: Introductionmentioning

confidence: 99%