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Adaptive voltage modification (AVM) controller for mitigating power interruptions at radio frequency (RF) antennas

專利號(hào)
US10868471B2
公開日期
2020-12-15
申請(qǐng)人
T-Mobile USA, Inc.(US WA Bellevue)
發(fā)明人
Steve Fischer
IPC分類
H02M3/335; H01Q1/00; G01R27/02; G05F1/62
技術(shù)領(lǐng)域
avm,rru,voltage,power,controller,may,dc,antennas,boost,metadata
地域: WA WA Bellevue

摘要

This disclosure describes techniques to identify and mitigate an effect of a power interruption that impacts the operation of Radio Frequency (RF) antennas associated with a telecommunications network. More specifically, an Adaptive Voltage Modification (AVM) controller is described that is configured to monitor and detect a change in voltage that occurs during a power transmission from a Direct Current (DC) power source to a Remote Radio Unit (RRU). A power interruption may include a power disruption or a power surge. The AVM controller may be configured to cause a potential transformer that is coupled between the DC power source and the RRU to incrementally step-up or step-down the voltage of a power transmission from the DC power source. In this way, the AVM controller may preemptively mitigate an impact of a power interruption on Quality of Service (QoS) parameters associated with signal data transmitted by the RF antennas.

說明書

At 712, the AVM controller may determine that the voltage-reduction reaction time is greater than an impending time interval before the inferred power surge is likely to occur. It is noteworthy that this step is implied for a real-time detection of a power surge. In this example, the AVM controller may transmit a power cut-off control signal to the DC power source. The power cut-off control signal may cause the DC power source to cease power transmissions. Doing so may protect the hardware and software elements of the power modification system, which includes the baseband unit, RRU, and RF antennas from any prospective or continued damage due to the power surge.

CONCLUSION

Although the subject matter has been described in language specific to features and methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described herein. Rather, the specific features and acts are disclosed as exemplary forms of implementing the claims.

權(quán)利要求

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