Apparatus and Method for an Active Antenna System with Near-field Radio Frequency Probes
First Claim
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1. An active antenna device comprising:
- a path;
a radiating element; and
a radio frequency (RF) probe positioned near the radiating element, the RF probe configured to wirelessly communicate a calibration signal with the radiating element, wherein the calibration signal is processed to calibrate a phase or gain parameter of the path.
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Abstract
Field-serviceable radio frequency modules can be achieved by replacing hard-wired radio frequency (RF) feedback paths with external near-field RF probes. Notably, the near-field RF probes may allow for the RF module to be installed/re-installed on a backplane or other support structure without fowling factory calibration settings. Multiple near-field RF probes can monitor a single RF module. Additionally, a single near-field RF probe can monitor multiple RF modules.
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Citations
24 Claims
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1. An active antenna device comprising:
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a path; a radiating element; and a radio frequency (RF) probe positioned near the radiating element, the RF probe configured to wirelessly communicate a calibration signal with the radiating element, wherein the calibration signal is processed to calibrate a phase or gain parameter of the path. - View Dependent Claims (2, 3)
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4. A structure for antenna devices comprising:
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a backplane structure; one or more mounting configurations for mounting radio frequency (RF) modules to the backplane structure; and at least one near-field RF probe affixed to the backplane structure, the at least one near-field RF probe configured to communicate calibration signals with RF modules mounted to the backplane structure. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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12. A modular active antenna system (AAS) comprising:
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a backplane; an array of independent radio frequency (RF) modules mounted to the backplane; a calibration module; and a plurality of near-field RF probes coupled to the calibration module via a plurality of RF connections. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A method comprising:
wirelessly communicating a calibration signal between a near-field radio frequency (RF) probe and a radiating element, wherein the calibration signal is processed to calibrate a phase or gain parameter of a path. - View Dependent Claims (23, 24)
Specification