Base station calibration
First Claim
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1. A method of calibrating a base station comprising a plurality of antennas, the method comprising:
- receiving first correction information from a system module, the correction information determined from a first calibration of the base station;
receiving at a radio frequency module signals received from at least one antenna of the base station; and
determining second correction information on the basis of the received signals and the first correction information, wherein the received signals from the at least one antenna is a training sequence comprising signal distortions.
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Abstract
A method for calibrating a base station including a plurality of antennas is provided. First correction information is received from a system module, the correction information determined from first calibration of the base station Signals are received at a radio frequency module from at least one antenna of the base station Second correction information is determined on the basis of the received signals and the first correction information.
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Citations
26 Claims
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1. A method of calibrating a base station comprising a plurality of antennas, the method comprising:
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receiving first correction information from a system module, the correction information determined from a first calibration of the base station; receiving at a radio frequency module signals received from at least one antenna of the base station; and determining second correction information on the basis of the received signals and the first correction information, wherein the received signals from the at least one antenna is a training sequence comprising signal distortions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A computer program product embodied on a non-transitory computer-readable medium in, which a computer program is stored that, when the program is run on a computer, is configured to provide instructions to control or carry out:
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receiving first correction information from a system module, the correction information determined from a first calibration of the base station; receiving a training sequence from the system module; sending the training sequence to the at least one antenna of the base station; receiving at a radio frequency module signals received from at least one antenna of the base station; and determining second correction information on the basis of the received signals and the first correction information. - View Dependent Claims (17, 18)
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19. An apparatus comprising:
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a processor; memory including computer program code; the memory and the computer program code configured to, with the processor, cause the apparatus to perform at least the following; receive first correction information from a system module, the correction information determined from a first calibration of the base station; receive at a radio frequency module signals received from at least one antenna of the base station; and determine second correction information on the basis of the received signals and the first correction information, wherein the first correction information is determined during start up of the base station and the second correction information is determine after start up of the base station. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification