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AssigneeTelefonaktiebolaget L M Ericsson (publ)
InventorJack Xu
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A method for compensating frequency response of a filter unit in remote radio unit in real time, said remote radio unit comprises filter unit equalizer, transmitter observation receiver and antenna calibration receiver, said method comprising the steps of: receiving input signal of said filter unit by transmitter observation receiver; receiving output signal of said filter unit by antenna calibration receiver; calculating coefficients of filter unit equalizer in real time based on said input signal and said output signal; updating said filter unit equalizer based on said calculated coefficients in order to compensate frequency response of said filter unit. A device to carry out the above method, remote radio unit comprising said device and a telecommunication system comprising said remote radio unit are also provided.
-20. (canceled)
A method for compensating a frequency response of a Filter Unit (FU) in a Remote Radio Unit (RRU) in real time, the RRU comprising a FU equalizer, a Transmitter Observation Receiver (TOR), and an Antenna Calibration Receiver (ACR), the method comprising:
A device for compensating a frequency response of a Filter Unit (FU) in a Remote Radio Unit (RRU) in real time, the device comprising:
Dependencies are inferred from the claim text.