METHOD AND DEVICE FOR ANTENNA CALIBRATION
First Claim
1. An antenna calibrating method, comprising:
- obtaining a calibration period T_i updated after previous antenna calibration and calculating a calibration sequence of each antenna channel in the calibration period T_i;
calibrating each antenna in the calibration period T_i according to the calibration sequence of the each antenna channel and calculating calibration error parameters; and
updating the calibration period T_i according to the obtained calibration error parameters, wherein the updated calibration period T_i is used for next antenna calibration.
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Abstract
A method for antenna calibration is provided, which includes the following steps: obtaining an updated calibration period T_i after the last time of antenna calibration (S301), calculating a calibration sequence of each antenna channel in the calibration period T_i (S302); according to the calibration sequence of each antenna channel, calibrating each antenna based on the calibration period T_i, and calculating a calibration error parameter (S303); and according to the obtained calibration error parameter, updating the calibration period T_i, and using the updated calibration period T_i for the next time of antenna calibration (S304). The technical solutions provided in the present invention, can monitor difference variety of radio channels in real time by the calibration error parameter, and reflect the calibration precision in real time by the reported calibration error parameter. Moreover, the technical solutions provided in the present invention, can adjust the calibration period in real time according to the calibration error parameter, and timely execute rational antenna calibration according to the calibration precision status.
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Citations
12 Claims
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1. An antenna calibrating method, comprising:
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obtaining a calibration period T_i updated after previous antenna calibration and calculating a calibration sequence of each antenna channel in the calibration period T_i; calibrating each antenna in the calibration period T_i according to the calibration sequence of the each antenna channel and calculating calibration error parameters; and updating the calibration period T_i according to the obtained calibration error parameters, wherein the updated calibration period T_i is used for next antenna calibration. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An antenna calibrating device, comprising:
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an obtaining module configured to obtain a calibration period T_i updated after previous antenna calibration; a calculating module configured to calculate a calibration sequence of each antenna channel in the calibration period T_i; a calibrating module configured to calibrate each antenna in the calibration period T_i according to the calibration sequence of the each antenna channel and to calculate calibration error parameters; and an updating module configured to update the calibration period T_i according to the obtained calibration error parameters, wherein the updated calibration period T_i is used for next antenna calibration. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification