Base station antennas with remotely reconfigurable electronic downtilt control paths and related methods of reconfiguring such antennas
Methods of configuring base station antennas are provided in which reconfiguration data is transmitted to a controller of the antenna from a remote location. Connections between a plurality of remote electronic tilt (RET) units that are mounted within the antenna and a plurality of control ports of the antenna are then reconfigured in response to receipt of the reconfiguration data.
1. A method of configuring a base station antenna, the method, comprising:
using an Antenna Interface Standards Group (AISG) 2.0 command to transmit reconfiguration data to a controller of the antenna from a remote location; and
reconfiguring connections between a plurality of remote electronic tilt (RET) units that are mounted within the antenna and a plurality of control ports of the antenna in response to receipt of the reconfiguration data.
2. The method of claim 1 , wherein the reconfiguration data is contained within a data file attached to the AISG 2.0 command.
3. The method of claim 1 , wherein the reconfiguration data is transmitted to the controller of the antenna through an Antenna Interface Standards Group Primary.
4. The method of claim 1 , wherein the remote location is a network operator network control center.
5. The method of claim 1 , wherein the control ports comprise RS-485 connectors.
6. The method of claim 1 , wherein the remote location is the bottom of a tower on which the antenna is mounted.
7. The method of claim 1 , wherein the controller is a RET controller that controls operation of the RET units.
8. The method of claim 7 , wherein the antenna includes a single RET controller.
9. The method of claim 1 , wherein the AISG 2.0 command comprises AISG 2.0 command number 0x32, AISG 2.0 command number 0x89 or AISG command numbers 0x40, 0x41 and 0x42.
10. The method of claim 1 , further comprising validating the authenticity of the AISG 2.0 command prior to reconfiguring the connections between the motorized RET units and the control ports.
11. The method of claim 1 , wherein the plurality of RET units comprises an integrated unit that includes a shared motor.
12. A base station antenna, comprising:
a first linear array of radiating elements;
a second linear array of radiating elements;
a first phase shifter having outputs that are coupled to respective individual or sub-groups of the radiating elements of the first linear array;
a second phase shifter having outputs that are coupled to respective individual or sub-groups of the radiating elements of the second linear array;
a plurality of control ports;
a first RET unit;
a second RET unit; and
a RET controller, the RET controller configured to receive an Antenna Interface Standards Group (AISG) control signal and reconfigure at least one of a first control path between the first RET unit and the plurality of control ports and a second control path between the second RET unit and the plurality of control ports in response thereto,
wherein the AISG control signal comprises an AISG 2.0 command.
13. The base station antenna of claim 12 , wherein the control ports comprise RS-485 connectors.
14. The base station antenna of claim 12 , wherein the AISG control signal comprises AISG 2.0 command number 0x32, AISG 2.0 command number 0x89 or AISG command numbers 0x40, 0x41 and 0x42.
15. The method of claim 1 , wherein at least one of the control ports comprises a control output port of a smart bias tee.
16. The base station antenna of claim 12 , wherein at least one of the control ports comprises a control output port of a smart bias tee.
17. The base station antenna of claim 12 , wherein the first and second RET units share a common motor.
18. A base station antenna, comprising:
a first linear array of radiating elements;
a second linear array of radiating elements;
a first phase shifter having outputs that are coupled to respective individual or sub-groups of the radiating elements of the first linear array;
a second phase shifter having outputs that are coupled to respective individual or sub-groups of the radiating elements of the second linear array;
a plurality of control ports;
a first RET unit;
a second RET unit; and
a RET controller, the RET controller configured to receive an Antenna Interface Standards Group (AISG) control signal and reconfigure at least one of a first control path between the first RET unit and the plurality of control ports and a second control path between the second RET unit and the plurality of control ports in response thereto,
wherein the RET controller comprises an integrated circuit chip having a plurality of output pins, wherein the RET controller is coupled to each of the control ports through the output pins.