# US 12,191,921 B2 · Two dimensional gain calibration for analog component > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,191,921 B2 - Document ID: US12191921B2 - Status: Granted - Kind: B2 - Application number: 17/659,106 - Filed: 2022-04-13 - Published: 2022-10-20 - Granted: 2025-01-07 - Earliest claimed: 2021-04-15 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Anton Radionov; Daniel James Flaccavento; Joel Taylor Garrell; Herbert Eric Petrat - Web page: https://patentgrep.com/patent/US12191921B2 ## CPC - H04B 17/13: of power amplifiers, e.g. gain or non-linearity - H04B: TRANSMISSION ## Abstract Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a device may identify, for a set of frequency values and a set of temperature values, characterization gain values associated with an analog component. The device may determine a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency and a second observed gain associated with a target frequency. The device may determine a temperature contribution based at least in part on comparing a first characterization gain value associated with a reference temperature and a second characterization gain value associated with a target temperature. The device may determine a gain offset for the target temperature and the target frequency based at least in part on combining the frequency and temperature contributions. The device may configure the gain offset for the analog component. Numerous other aspects are described. ## Claims ### Claim 1 A device for wireless communication, comprising: a memory; and one or more processors, coupled to the memory, configured to: identify, for a set of frequency values and a set of temperature values, a set of characterization gain values associated with an analog component, wherein a characterization gain value, of the set of characterization gain values, identifies a gain value corresponding to a frequency value of the set of frequency values and a temperature value of the set of temperature values; determine a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency of the set of frequency values and a second observed gain associated with a target frequency, wherein the first observed gain and the second observed gain are dependent on an operating temperature of the analog component; determine a temperature contribution based at least in part on comparing a first characterization gain value, of the set of characterization gain values, associated with a reference temperature of the set of temperature values, and a second characterization gain value, of the characterization gain values, associated with a target temperature; determine a gain offset for the target temperature and the target frequency based at least in part on combining the frequency contribution and the temperature contribution; and configure the gain offset, associated with the target temperature and the target frequency, for the analog component. ### Claim 2 (depends on 1) The device of claim 1, wherein the one or more processors are further configured to: determine the first observed gain and the second observed gain while the analog component is associated with the target temperature. ### Claim 3 (depends on 2) The device of claim 2, wherein the one or more processors, to determine the first observed gain and the second observed gain while the analog component is associated with the target temperature, are configured to: calibrate the analog component; determine the first observed gain while the analog component operates at the reference frequency and the target temperature; and determine the second observed gain while the analog component operates at the target frequency and the target temperature. ### Claim 4 (depends on 1) The device of claim 1, wherein the one or more processors are further configured to: determine the second characterization gain value using a given temperature value of the set of temperature values, wherein the given temperature value is closer to the target temperature than any other temperature value of the set of temperature values. ### Claim 5 (depends on 1) The device of claim 1, wherein the set of temperature values span an operating temperature range of the analog component. ### Claim 6 (depends on 1) The device of claim 1, wherein the set of frequency values span an operating frequency range of the analog component. ### Claim 7 (depends on 1) The device of claim 1, wherein the one or more processors are further configured to: receive a first signal indicating the target temperature; receive a second signal indicating the first observed gain; and receive a third signal indicating the second observed gain. ### Claim 8 (depends on 7) The device of claim 7, further comprising: a temperature component configured to provide the first signal. ### Claim 9 (depends on 1) The device of claim 1, further comprising the analog component. ### Claim 10 (depends on 1) The device of claim 1, wherein the one or more processors, to configure the gain offset for the analog component associated with the target temperature and the target frequency, are configured to: configure a table or a function identifying gain offsets for combinations of target temperatures and target frequencies. ### Claim 11 A method, comprising: identifying, for a set of frequency values and a set of temperature values, a set of characterization gain values associated with an analog component, wherein a characterization gain value, of the set of characterization gain values, identifies a gain value corresponding to a frequency value of the set of frequency values and a temperature value of the set of temperature values; determining a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency of the set of frequency values and a second observed gain associated with a target frequency, wherein the first observed gain and the second observed gain are dependent on an operating temperature of the analog component; determining a temperature contribution based at least in part on comparing a first characterization gain value, of the set of characterization gain values, associated with a reference temperature of the set of temperature values, and a second characterization gain value, of the characterization gain values, associated with a target temperature; determining a gain offset for the target temperature and the target frequency based at least in part on combining the frequency contribution and the temperature contribution; and configuring the gain offset, associated with the target temperature and the target frequency, for the analog component. ### Claim 12 (depends on 11) The method of claim 11, further comprising: determining the first observed gain and the second observed gain while the analog component is associated with the target temperature. ### Claim 13 (depends on 12) The method of claim 12, wherein determining the first observed gain and the second observed gain while the analog component is associated with the target temperature further comprises: calibrating the analog component; determining the first observed gain while the analog component operates at the reference frequency and the target temperature; and determining the second observed gain while the analog component operates at the target frequency and the target temperature. ### Claim 14 (depends on 11) The method of claim 11, further comprising: determining the second characterization gain value using a given temperature value of the set of temperature values, wherein the given temperature value is closer to the target temperature than any other temperature value of the set of temperature values. ### Claim 15 (depends on 11) The method of claim 11, wherein the set of temperature values span an operating temperature range of the analog component. ### Claim 16 (depends on 11) The method of claim 11, wherein the set of frequency values span an operating frequency range of the analog component. ### Claim 17 (depends on 11) The method of claim 11, further comprising: receiving a first signal indicating the target temperature; receiving a second signal indicating the first observed gain; and receiving a third signal indicating the second observed gain. ### Claim 18 (depends on 11) The method of claim 11, wherein configuring the gain offset for the analog component associated with the target temperature and the target frequency further comprises: configuring a table or a function identifying gain offsets for combinations of target temperatures and target frequencies. ### Claim 19 A non-transitory computer-readable medium storing a set of instructions for wireless communication, the set of instructions comprising: one or more instructions that, when executed by one or more processors of a device, cause the device to: identify, for a set of frequency values and a set of temperature values, a set of characterization gain values associated with an analog component, wherein a characterization gain value, of the set of characterization gain values, identifies a gain value corresponding to a frequency value of the set of frequency values and a temperature value of the set of temperature values; determine a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency of the set of frequency values and a second observed gain associated with a target frequency, wherein the first observed gain and the second observed gain are dependent on an operating temperature of the analog component; determine a temperature contribution based at least in part on comparing a first characterization gain value, of the set of characterization gain values, associated with a reference temperature of the set of temperature values, and a second characterization gain value, of the characterization gain values, associated with a target temperature; determine a gain offset for the target temperature and the target frequency based at least in part on combining the frequency contribution and the temperature contribution; and configure the gain offset, associated with the target temperature and the target frequency, for the analog component. ### Claim 20 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the one or more instructions further cause the device to: determine the first observed gain and the second observed gain while the analog component is associated with the target temperature. ### Claim 21 (depends on 20) The non-transitory computer-readable medium of claim 20, wherein the one or more instructions, that cause the device to determine the first observed gain and the second observed gain while the analog component is associated with the target temperature, cause the device to: calibrate the analog component; determine the first observed gain while the analog component operates at the reference frequency and the target temperature; and determine the second observed gain while the analog component operates at the target frequency and the target temperature. ### Claim 22 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the one or more instructions further cause the device to: determine the second characterization gain value using a given temperature value of the set of temperature values, wherein the given temperature value is closer to the target temperature than any other temperature value of the set of temperature values. ### Claim 23 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the set of temperature values span an operating temperature range of the analog component. ### Claim 24 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the set of frequency values span an operating frequency range of the analog component. ### Claim 25 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the one or more instructions further cause the device to: receive a first signal indicating the target temperature; receive a second signal indicating the first observed gain; and receive a third signal indicating the second observed gain. ### Claim 26 (depends on 19) The non-transitory computer-readable medium of claim 19, wherein the one or more instructions, that cause the device to configure the gain offset for the analog component associated with the target temperature and the target frequency, cause the device to: configure a table or a function identifying gain offsets for combinations of target temperatures and target frequencies. ### Claim 27 An apparatus for wireless communication, comprising: means for identifying, for a set of frequency values and a set of temperature values, a set of characterization gain values associated with an analog component, wherein a characterization gain value, of the set of characterization gain values, identifies a gain value corresponding to a frequency value of the set of frequency values and a temperature value of the set of temperature values; means for determining a frequency contribution based at least in part on comparing a first observed gain associated with a reference frequency of the set of frequency values and a second observed gain associated with a target frequency, wherein the first observed gain and the second observed gain are dependent on an operating temperature of the analog component; means for determining a temperature contribution based at least in part on comparing a first characterization gain value, of the set of characterization gain values, associated with a reference temperature of the set of temperature values, and a second characterization gain value, of the characterization gain values, associated with a target temperature; means for determining a gain offset for the target temperature and the target frequency based at least in part on combining the frequency contribution and the temperature contribution; and means for configuring the gain offset, associated with the target temperature and the target frequency, for the analog component. ### Claim 28 (depends on 27) The apparatus of claim 27, further comprising: means for determining the first observed gain and the second observed gain while the analog component is associated with the target temperature. ### Claim 29 (depends on 28) The apparatus of claim 28, wherein the means for determining the first observed gain and the second observed gain while the analog component is associated with the target temperature further comprises: means for calibrating the analog component; means for determining the first observed gain while the analog component operates at the reference frequency and the target temperature; and means for determining the second observed gain while the analog component operates at the target frequency and the target temperature. ### Claim 30 (depends on 27) The apparatus of claim 27, further comprising: means for determining the second characterization gain value using a given temperature value of the set of temperature values, wherein the given temperature value is closer to the target temperature than any other temperature value of the set of temperature values.