Smart Hybrid Combiner
Some embodiments of the present disclosure provide a smart combiner that includes a radio frequency (RF) power coupler having a first input, a second input, a first output, and a second output. The smart combiner further includes a first RF power detector coupled between the first input and the first output, and a second RF power detector coupled between the second input and the second output. The first RF power detector may be configured to monitor a power level of a signal at the first input, and the second RF power detector may be configured to monitor a power level of a signal at the second input. Further, the first RF power detector and the second RF power detector may be further configured to transmit a signal to an external computing device based on the monitored power levels.
1 . An apparatus comprising:
a radio frequency (RF) power coupler having a first input, a second input, a first output, and a second output;
a first RF power detector coupled between the first input and the first output, the first RF power detector being configured to monitor a power level of a signal at the first input; and
a second RF power detector coupled between the second input and the second output, the second RF power detector being configured to monitor a power level of a signal at the second input,
wherein the first RF power detector and the second RF power detector are further configured to transmit a signal to an external computing device based on the monitored power levels.
2 . The apparatus of claim 1 , further comprising a processing unit coupled to the first RF power detector and the second RF power detector, wherein the processing unit is configured to:
receive from the RF power detectors indications of the power levels of signals at the first input and the second input;
determine that, based on the received indications of power levels, an alarm condition is satisfied; and
transmit an alarm signal to the external computing device.
3 . The apparatus of claim 2 , wherein the processing unit is configured to determine that, based on the received indications of power levels, an alarm condition is satisfied by determining that at least one of the indicated power levels is less than a threshold power level.
4 . The apparatus of claim 2 , wherein the processing unit is configured to determine that, based on the received indications of power levels, an alarm condition is satisfied by determining that there are at least a threshold level of harmonics present in at least one of the signals at the first input or the second input.
5 . The apparatus of claim 1 , wherein the RF power coupler includes a housing, and wherein the first RF power detector and the second RF power detector are positioned within the housing.
6 . The apparatus of claim 1 , wherein the RF power coupler is a 2×2 power combiner.
7 . The apparatus of claim 1 , wherein the first input is coupled to a first antenna arrangement of a base station, and wherein the second input is coupled to a second antenna arrangement of the base station.
8 . The apparatus of claim 1 , wherein the first RF power detector and the second RF power detector are further configured to monitor power levels of signals across a plurality of frequency bands.
9 . At a radio frequency (RF) power coupler that includes a first input coupled to a first RF power detector, a second input coupled to a second RF power detector, and a processing unit coupled to the first RF power detector and the second RF power detector, a method comprising:
the first RF power detector detecting a power level of a signal at the first input;
the RF second power detector detecting a power level of a signal at the second input;
the processing unit receiving indications of the detected power levels from the first RF power detector and the second RF power detector;
based on the received indications of the detected power levels, the processing unit determining that an alarm condition is satisfied; and
in response to the determining, the processing unit transmitting an alarm signal to an external device.
10 . The method of claim 9 , wherein the processing unit determining that an alarm condition is satisfied comprises the processing unit determining that at least one of the indications of the detected power levels is less than a threshold power level.
11 . The method of claim 9 , wherein the processing unit determining that an alarm condition is satisfied comprises the processing unit determining that there are at least a threshold level of harmonics present in at least one of the signals at the first input or the second input.
12 . The method of claim 9 , wherein the processing unit transmitting an alarm signal to an external device comprises the processing unit transmitting to a network operations center a signal indicative of the alarm condition.
13 . A distributed antenna system (DAS) comprising:
a plurality of antenna arrangements distributed throughout a network; and
for each given antenna arrangement of the plurality of antenna arrangements, a radio frequency (RF) power coupler coupled to the given antenna arrangement, the RF power coupler comprising:
an input and an output, wherein at least one of the input and the output is coupled to the given antenna arrangement; and
an RF power detector coupled between the input and the output, the RF power detector being configured to monitor a power level of a signal at input, and
wherein the RF power detector is further configured to transmit a signal to a network operations center (NOC) based on the monitored power level.
14 . The DAS of claim 13 , wherein the RF power coupler further comprises a processing unit coupled to RF power detector, wherein the processing unit is configured to:
receive from the RF power detector and indication of the power levels of a signal at the input;
determine that, based on the received indication of the power level, an alarm condition is satisfied; and
transmit an alarm signal to the NOC.
15 . The DAS of claim 14 , wherein the processing unit is configured to determine that, based on the received indication of the power level, an alarm condition is satisfied by determining that the indicated power level is less than a threshold power level.
16 . The DAS of claim 14 , wherein the processing unit is configured to determine that, based on the received indication of the power level, an alarm condition is satisfied by determining that there are at least a threshold level of harmonics present in the signals at the input.
17 . The DAS of claim 13 , wherein the RF power coupler includes a housing, and wherein the RF power detector is positioned within the housing.
18 . The DAS of claim 13 , wherein the RF power coupler is a 2×2 power combiner.
19 . The DAS of claim 13 , wherein the input is coupled to a first antenna arrangement of a base station.
20 . The DAS of claim 13 , wherein the RF power detector is further configured to monitor power levels of signals across a plurality of frequency bands.