Dynamic multiple antenna sensor and wireless power management for multiple radio types and multiple wireless configurations
A method and information handling system (IHS) for dynamic multiple antenna sensor and wireless power management for multiple radio types and multiple wireless configurations comprise enabling, by an antenna controller (AC), a proximity sensor (P-sensor) connected interrupt to be generated by a P-sensor; upon activation of the P-sensor connected interrupt, determining, at the AC, a reason for the P-sensor connected interrupt; when the reason is a steady-state detection event, calibrating, by the AC, the P-sensor; when the reason is a proximity detection event, storing, by the AC, a radio transmit power lookup table, the radio transmit power lookup table mapping a P-sensor channel, an antenna subsystem physical configuration value, and an IHS physical configuration usage mode value to a radio transmit power level value; and configuring, at a radio, the radio to operate at a radio transmit power level corresponding to the radio transmit power level value.
1. A method comprising:
enabling, by an antenna controller (AC), a proximity sensor (P-sensor) connected interrupt to be generated by a P-sensor;
upon activation of the P-sensor connected interrupt, determining, at the AC, a reason for the P-sensor connected interrupt;
when the reason is a steady-state detection event, calibrating, by the AC, the P-sensor, to ignore sensing of an inanimate object proximate to an antenna subsystem;
when the reason is a proximity detection event, storing, by the AC, a radio transmit power lookup table, the radio transmit power lookup table mapping a P-sensor channel, an antenna subsystem physical configuration value, and an information handling system (IHS) physical configuration usage mode value to a radio transmit power level value; and
configuring, at a radio, the radio to operate at a radio transmit power level corresponding to the radio transmit power level value.
2. The method of claim 1 further comprising, when the reason is a P-sensor reset, reinitializing the P-sensor.
3. The method of claim 1 further comprising:
determining whether the P-sensor is operational;
when the P-sensor is operational, sending a heartbeat (HB) message from the AC to the radio; and
when the P-sensor is not operational; inhibiting the sending of the HB message from the AC to the radio.
4. The method of claim 1 further comprising:
obtaining, by the AC, the antenna subsystem physical configuration value and the IHS physical configuration usage mode value;
storing, by the AC, information based on the antenna subsystem physical configuration value and the IHS physical configuration usage mode value in a P-sensor register file of the P-sensor; and
upon the proximity detection event, reading the P-sensor register file, wherein the configuring the radio to operate at the radio transmit power level is based on the antenna subsystem physical configuration value stored in the P-sensor register file.
5. The method of claim 1 further comprising:
determining, at the AC, whether the P-sensor is successfully initialized;
when the P-sensor is determined not to be successfully initialized, triggering, at the AC, a failsafe notification to the radio; and
transmitting, at the radio, a wireless signal at a failsafe radio transmit power level in response to the failsafe notification.
6. The method of claim 1 , wherein the enabling, by the antenna controller (AC), the proximity sensor (P-sensor) connected interrupt to be generated by the P-sensor comprises:
configuring, at the radio, the radio to operate at a maximum radio transmit power level.
7. An information handling system (IHS) comprising:
an antenna subsystem;
a proximity sensor (P-sensor) for sensing proximity to the antenna subsystem;
and an antenna controller (AC), the antenna controller configured to enable a proximity sensor (P-sensor) connected interrupt to be generated by a P-sensor; upon activation of the P-sensor connected interrupt, to determine a reason for the P-sensor connected interrupt; when the reason is a steady-state detection event, cause calibrating of the P-sensor; when the reason is a proximity detection event, to storing, a radio transmit power lookup table, the radio transmit power lookup table mapping a P-sensor channel, an antenna subsystem physical configuration value, and an information handling system (IHS) physical configuration usage mode value to a radio transmit power level value, and when the reason is a P-sensor reset, reinitialize the P-sensor; and
a radio configured to operate at a radio transmit power level corresponding to the radio transmit power level value.
8. The IHS of claim 7 , wherein the AC is further configured to determine whether the P-sensor is operational; when the P-sensor is operational, to send a heartbeat (HB) message from the AC to the radio; and, when the P-sensor is not operational; to inhibit the sending of the HB message from the AC to the radio.
9. The IHS of claim 7 , wherein the AC is further configured to obtain the antenna subsystem physical configuration value and the IHS physical configuration usage mode value; to store information based on the antenna subsystem physical configuration value and the IHS physical configuration usage mode value in a P-sensor register file of the P-sensor; and, upon the proximity detection event, to read the P-sensor register file, wherein the configuring the radio to operate at the radio transmit power level is based on the antenna subsystem physical configuration value stored in the P-sensor register file.
10. The IHS of claim 7 , wherein the AC is further configured to determining whether the P-sensor is successfully initialized; when the P-sensor is determined not to be successfully initialized, to trigger a failsafe notification to the radio; and wherein the radio is further configured to operate at a failsafe radio transmit power level in response to the failsafe notification.
11. The IHS of claim 7 , wherein the AC is further configure to calibrate the P-sensor to ignore sensing of an inanimate object proximate to the antenna subsystem.
12. The IHS of claim 7 , wherein the AC is further configured, upon enabling the proximity sensor (P-sensor) connected interrupt to be generated by the P-sensor, to cause the radio the radio to operate at a maximum radio transmit power level.
13. A method comprising:
enabling, by an antenna controller (AC), a proximity sensor (P-sensor) connected interrupt to be generated by a P-sensor of a plurality of P-sensors;
upon activation of the P-sensor connected interrupt, determining, at the AC, a reason for the P-sensor connected interrupt;
when the reason is a steady-state detection event, calibrating, by the AC, the P-sensor;
when the reason is a proximity detection event, storing, by the AC, a radio transmit power lookup table, the radio transmit power lookup table mapping a P-sensor channel, an antenna subsystem physical configuration value, and an information handling system (IHS) physical configuration usage mode value to a radio transmit power level value;
configuring, at a radio, the radio to operate at a radio transmit power level corresponding to the radio transmit power level value;
determining whether the P-sensor is operational;
when the P-sensor is operational, sending a heartbeat (HB) message from the AC to the radio; and
when the P-sensor is not operational; inhibiting the sending of the HB message from the AC to the radio.
14. The method of claim 13 further comprising, when the reason is a P-sensor reset, reinitializing the P-sensor.
15. The method of claim 13 further comprising:
obtaining, by the AC, the antenna subsystem physical configuration value and the IHS physical configuration usage mode value;
storing, by the AC, information based on the antenna subsystem physical configuration value and the IHS physical configuration usage mode value in a P-sensor register file of the P-sensor; and
upon the proximity detection event, reading the P-sensor register file, wherein the configuring the radio to operate at the radio transmit power level is based on the antenna subsystem physical configuration value stored in the P-sensor register file.
16. The method of claim 13 further comprising:
determining, at the AC, whether the P-sensor is successfully initialized;
when the P-sensor is determined not to be successfully initialized, triggering, at the AC, a failsafe notification to the radio; and
transmitting, at the radio, a wireless signal at a failsafe radio transmit power level in response to the failsafe notification.
17. The method of claim 13 , wherein the calibrating, by the AC, the P-sensor comprises:
calibrating, by the AC, the P-sensor to ignore sensing of an inanimate object proximate to an antenna subsystem.