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Power management for remote antenna units in distributed antenna systems

專利號(hào)
US11212745B2
公開(kāi)日期
2021-12-28
申請(qǐng)人
Corning Optical Communications LLC（US NC Charlotte）
發(fā)明人
Christian Heidler; Jonathan Richard Hull; Jessica Joy Kedziora; Michael Sauer; Wolfgang Gottfried Tobias Schweiker
IPC分類
H04B10/11; H04W52/02; H04B10/2575; H04B10/80; H04B7/04; H04W88/08; H04W84/12
技術(shù)領(lǐng)域
rau,power,heu,powered,raus,rf,antenna,downlink,dds,in
地域： NC NC Charlotte

摘要

Power management for remote units in a wireless distribution system. Power can be managed for a remote unit configured to power modules and devices that may require more power to operate than power available to the remote unit. For example, the remote unit may be configured to include power-consuming remote unit modules to provide communication services. As another example, the remote unit may be configured to provide power through powered ports in the remote unit to power-consuming devices. Depending on the configuration of the remote unit, the power-consuming remote unit modules and/or power-consuming devices may demand more power than is available at the remote unit. In this instance, the power available at the remote unit can be distributed to the power-consuming modules and devices based on the priority of services desired to be provided by the remote unit.

說(shuō)明書(shū)

If the status of the powered communications ports 158(1), 158(2) has changed (block 224), the current power settings of the powered communications ports 158(1), 158(2) is also re-evaluated. In this regard, if the first powered communications port 158(1) is connected (block 238), the controller 176 obtains the class of the PD 156(1) connected to the powered communications port 158(1) from the PSE 170 (block 240). The controller 176 determines if the available power budget is sufficient to power the PD 156(1) at its class rating (block 242). If so, the controller 176 directs the PSE 170 to enable the powered communications port 158(1) to provide power to the PD 156(1) connected to the powered communications port 158(1) (block 244). For example, if the available power budget is 16 Watts, a PoE Class 3 PD 156(1) rated at 15.4 Watts connected to a powered communications port 158(1) can be powered, and thus the powered communications port 158(1) is enabled. However, if a PoE Class 4 PD 156(1) rated at 30 Watts or less is connected to a powered communications port 158(1), the powered communications port 158(1) is disabled since the available power budget is less than 30 Watts.

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