Systems and methods for controlling radio transmit power for information handling systems based on system-specific RF parameters
Systems and methods are provided that may be implemented to optimize or otherwise control radio module transmit power performance from a given wireless-enabled information handling system platform based on a set of system-specific RF parameter values that are provisioned and stored on the information handling system platform and that uniquely represent particular RF characteristics (e.g., such as specific device environment, system chassis configuration, etc.) of the given information handling system.
1. An information handling system platform, comprising:
a host processing device;
one or more antenna elements;
system non-volatile storage containing system-specific radio frequency (RF) parameter values that represent one or more RF characteristics of the mobile information handling system platform; and
at least one hardware radio module configured to be coupled to the system non-volatile storage, host processing device and one or more of the antenna elements when installed into the information handling system, the hardware radio module including at least one processing device separate from the host processing device that is configured to process outgoing data provided from the host processing device to produce and transmit RF signals from one or more of the antenna elements based at least in part on one or more stored radio module operating parameter values;
where the separate processing device of the radio module is further configured to access the system-specific radio frequency (RF) parameter values on the system non-volatile storage and update the stored radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values; and
where the system-specific radio frequency (RF) parameter values uniquely represent the specific RF characteristics of the particular given information handling system platform into which the radio module is configured to be installed.
2. The information handling system platform of claim 1 , where the system-specific RF parameter values comprise antenna peak gain for at least given one of the antenna elements; and where the radio module operating parameters comprise transmit power level for the given antenna element.
3. The information handling system platform of claim 1 , where the radio module further comprises integrated non-volatile storage separate from the system non-volatile storage; and where the stored radio module operating parameter values are maintained on the integrated non-volatile storage of the radio module.
4. The information handling system platform of claim 1 , where information handing system platform has a given system platform chassis configuration; and where the system-specific RF parameter values are empirically measured values for the given system platform chassis configuration that are empirically measured, recorded and provisioned on the system platform before the radio module is installed into the system platform.
5. The information handling system platform of claim 4 , where the processing device of the radio module is further configured to access the system-specific RF parameter values on the system non-volatile storage during installation of the radio module into the system platform; and to update the stored radio module operating parameters by replacing pre-existing stored default radio module operating parameters with radio module operating parameters that are different than the pre-existing stored default radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values.
6. The information handling system platform of claim 1 , where the at least one radio module comprises a 802.11-based Wi-Fi radio module that includes at least one processing device that is configured to process outgoing data provided from the host processing device to produce and transmit 802.11-based Wi-Fi RF signals from the one or more of the antenna elements based at least in part on one or more stored radio module operating parameter values; and where the system-specific radio frequency (RF) parameter values are included in an Advanced Configuration and Power Interface (ACP′) table in a system basic input/output system (BIOS) stored on the system non-volatile memory.
7. The information handling system platform of claim 1 , where the at least one radio module is coupled to the system non-volatile storage, host processing device and one or more antenna elements; and where the separate processing device of the radio module is a baseband processing device.
8. The information handling system platform of claim 1 , where the information handling system is a mobile information handling system having a platform configuration that is a notebook computer or a tablet computer.
9. A hardware radio module configured for installation into use with an information handling system platform that itself includes a host processing device, system storage and one or more antenna elements, the hardware radio module comprising at least one processing device separate from the host processing device that is configured to perform the following when installed into the information handling system:
process outgoing data provided from the host processing device to produce and transmit RF signals from one or more of the antenna elements based at least in part on one or more stored radio module operating parameter values; and
access system-specific radio frequency (RF) parameter values stored on the system storage and update the stored radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values
where the system-specific radio frequency (RF) parameter values uniquely represent the specific RF characteristics of the particular given information handling system platform into which the radio module is configured to be installed.
10. The radio module of claim 9 , where the system-specific RF parameter values comprise antenna peak gain for at least given one of the antenna elements; and where the radio module operating parameters comprise transmit power level for the given antenna element.
11. The radio module of claim 9 , where the radio module further comprises integrated non-volatile storage separate from non-volatile storage of the system platform; and where the stored radio module operating parameter values are maintained on the integrated non-volatile storage of the radio module.
12. The radio module of claim 9 , where the processing device of the radio module is further configured to access the system-specific RF parameter values on the system storage during installation of the radio module into the system platform; and to update the stored radio module operating parameters by replacing pre-existing stored default radio module operating parameters with radio module operating parameters that are different than the pre-existing stored default radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values.
13. The radio module of claim 9 , where the at least one radio module comprises a 802.11-based Wi-Fi radio module.
14. A method of configuring an information handling system platform that includes a host processing device, non-volatile system storage and one or more antenna elements, the method comprising:
storing system-specific radio frequency (RF) parameter values in the system non-volatile storage, the system-specific radio frequency (RF) parameter values representing one or more RF characteristics of the mobile information handling system platform;
installing at least one separate hardware radio module into the system platform and coupling the at least one hardware radio module to the system non-volatile storage, host processing device and one or more of the antenna elements, the hardware radio module including at least one processing device separate from the host processing device that is configured to process outgoing data provided from the host processing device to produce and transmit RF signals from one or more of the antenna elements based at least in part on one or more stored radio module operating parameter values; and
using the separate processing device of the radio module to access the system-specific radio frequency (RF) parameter values on the system non-volatile storage and update the stored radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values;
where the system-specific radio frequency (RF) parameter values uniquely represent the specific RF characteristics of the particular given information handling system platform into which the radio module is installed.
15. The method of claim 14 , where the system-specific RF parameter values comprise antenna peak gain for at least given one of the antenna elements; and where the radio module operating parameters comprise transmit power level for the given antenna element.
16. The method of claim 14 , where information handling system platform has a given system platform chassis configuration; where the system-specific RF parameter values are empirically measured values for the given system platform chassis configuration; and where the method further comprises empirically measuring, recording and provisioning the system-specific RF parameter values on the system platform before installing the radio module into the system platform.
17. The method of claim 14 , further comprising using the separate processing device of the radio module to:
access the system-specific RF parameter values on the system non-volatile storage during installation of the radio module into the system platform; and
then update the stored radio module operating parameters by replacing pre-existing stored default radio module operating parameters with radio module operating parameters that are different than the pre-existing stored default radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values.
18. The method of claim 14 , further comprising using the at least one separate processing device of the radio module to process outgoing data provided from the host processing device to produce and transmit RF signals from the one or more of the antenna elements based at least in part on one or more stored radio module operating parameter values; and where the separate processing device of the radio module is a baseband processing device.
19. The method of claim 14 , further comprising using the separate processing device of the radio module to update the stored radio module operating parameters after system manufacture in real time in response to installation of the radio module into the system platform by an end user.
20. The method of claim 14 , further comprising performing the following steps in an assembly factory:
storing the system-specific radio frequency (RF) parameter values in the system non-volatile storage during system burn-in process in the assembly factory, and assembling the at least one radio module to the host processing device, non-volatile system storage and one or more antenna elements of the information handling system; and
then using the processing device of the radio module to access the system-specific RF parameter values on the system non-volatile storage and to update the stored radio module operating parameters based at least in part on information contained in the accessed system-specific RF parameter values.