# US 2018/0026664 A1 · Method and apparatus for dynamic tuning > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0026664 A1 - Document ID: US20180026664A1 - Status: Published application - Kind: A1 - Application number: 15/218,845 - Filed: 2016-07-25 - Published: 2018-01-25 - Earliest claimed: 2016-07-25 - Assignees: BlackBerry Limited - Applicants: Blackberry Limited - Inventors: Matthew Russell Greene; David Michael Schlueter - Web page: https://patentgrep.com/patent/US20180026664A1 ## CPC - H04B 1/0057: {using diplexing or multiplexing filters for selecting the desired band} - H04B 1/006: {using switches for selecting the desired band (H04B1/0057 takes precedence)} - H04B 1/0458: {Arrangements for matching and coupling between power amplifier and antenna or between amplifying stages (matching circuits in general H03H)} - H04B 1/18: Input circuits, e.g. for coupling to an antenna or a transmission line (coupling networks between antennas or lines and receivers independent of the nature of the receiver H03H) - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A system that incorporates teachings of the subject disclosure may include, for example, adjusting a matching network utilizing a weighted tuning state resulting in a tuning where the weighted tuning state is determined from applying a weighting factor to multiple tuning states that are predetermined tuning states based on increasing performance associated with types of operation, comparing a measured performance metric to a weighted reference metric resulting in a comparison where the weighted reference metric is determined from applying the weighting factor to multiple reference metrics that are predetermined expected metrics based on the increasing performance associated with the types of operation, and responsive to a first determination that the measured performance metric satisfies a threshold according to the comparison, continuing the tuning utilizing the weighted tuning state. Other embodiments are disclosed. ## Claims ### Claim 1 A communication device, comprising: a matching network including a tunable reactive element; a processing system including a processor, the processing system being coupled with the matching network; and a memory that stores executable instructions that, when executed by the processing system, facilitate performance of operations, comprising: during Frequency Division Duplex (FDD) communication, selecting first, second, and third tuning states from first, second and third groups of tuning states, respectively, wherein the first, second and third groups of tuning states are stored in the memory and are predetermined tuning states based on increasing performance in transmit, receive and duplex operation, respectively; determining a weighted tuning state based on a weighting factor, and the first, second and third tuning states; adjusting the matching network utilizing the weighted tuning state resulting in a tuning; responsive to the tuning, determining a first performance metric according to a first measurement associated with the FDD communication; selecting first, second, and third reference metrics from first, second and third groups of reference metrics stored in the memory, wherein the first, second and third groups of reference metrics are predetermined expected metrics based on the increasing performance in the transmit, receive and duplex operation, respectively; determining a weighted reference metric based on the weighting factor, and the first, second and third reference metrics; comparing the first performance metric to the weighted reference metric resulting in a first comparison; and responsive to a first determination that the first performance metric satisfies a first threshold according to the first comparison, continuing the tuning utilizing the weighted tuning state. ### Claim 2 (depends on 1) The communication device of claim 1, wherein the operations further comprise: responsive to a second determination that the first performance metric does not satisfy the first threshold according to the first comparison, selecting fourth, fifth and sixth tuning states from the first, second and third groups of tuning states, respectively. ### Claim 3 (depends on 2) The communication device of claim 2, wherein the operations further comprise: responsive to the first determination: measuring a second reference metric; determining a second performance metric according to a second measurement associated with the FDD communication; comparing the second performance metric to the second reference metric resulting in a second comparison; responsive to a second determination that the second performance metric does not satisfy a second threshold according to the second comparison, selecting fourth, fifth and sixth tuning states from the first, second and third groups of tuning states, respectively; and responsive to a third determination that the second performance metric satisfies the second threshold according to the second comparison, continuing the tuning. ### Claim 4 (depends on 1) The communication device of claim 1, wherein the first, second, and third reference metrics comprise input reflection coefficients. ### Claim 5 (depends on 1) The communication device of claim 1, wherein the weighting factor is determined based on an operational function of the communication device. ### Claim 6 (depends on 5) The communication device of claim 5, wherein the operational function of the communication device comprises a particular application being executed at the communication device. ### Claim 7 (depends on 5) The communication device of claim 5, wherein the operational function comprises downloading an amount of data above a download threshold, and wherein the weighting factor is biased towards the increasing performance in the receive operation. ### Claim 8 (depends on 5) The communication device of claim 5, wherein the operational function comprises transmitting an amount of data above an upload threshold, and wherein the weighting factor is biased towards the increasing performance in the transmit operation. ### Claim 9 (depends on 5) The communication device of claim 5, wherein the operations further comprise: monitoring a transmit power level; and determining a link margin based on the monitoring, wherein the operational function comprises a determination that the link margin is equal to or below a link margin threshold, and wherein the weighting factor is biased towards the increasing performance in the transmit operation. ### Claim 10 (depends on 6) The communication device of claim 6, wherein the operations further comprise: monitoring a receive metric associated with a received signal during the FDD communication; and determining a link margin based on the monitoring, wherein the operational function comprises a determination that the link margin is equal to or below a link margin threshold, and wherein the weighting factor is biased towards the increasing performance in the receive operation. ### Claim 11 (depends on 6) The communication device of claim 6, wherein the operations further comprise monitoring resource block allocation for the FDD communication, and wherein the operational function is determined based on the monitoring. ### Claim 12 (depends on 6) The communication device of claim 6, wherein the operations further comprise monitoring data throughput for the FDD communication, and wherein the operational function is determined based on the monitoring. ### Claim 13 (depends on 6) The communication device of claim 6, wherein the operations further comprise monitoring battery level during the FDD communication, and wherein the operational function is determined based on the monitoring. ### Claim 14 (depends on 1) The communication device of claim 1, wherein the first, second and third tuning states comprise tuning voltages, and wherein the tunable reactive element comprises a voltage tunable capacitor. ### Claim 15 A method comprising: adjusting, by a processor of a communication device, a matching network utilizing a weighted tuning state resulting in a tuning, wherein the weighted tuning state is determined from applying a first weighting factor to first, second and third tuning states that are predetermined tuning states based on increasing performance in transmit, receive and duplex operation, respectively; selecting, by the processor, first, second, and third reference metrics from first, second and third groups of reference metrics, wherein the first, second and third groups of reference metrics are predetermined expected metrics based on the increasing performance in the transmit, receive and duplex operation, respectively; determining, by the processor, a weighted reference metric based on a second weighting factor, and the first, second and third reference metrics; responsive to the tuning, determining, by the processor, a first performance metric according to a first measurement; comparing, by the processor, the first performance metric to the weighted reference metric resulting in a first comparison; and responsive to a first determination that the first performance metric satisfies a first threshold according to the first comparison, continuing the tuning utilizing the weighted tuning state. ### Claim 16 (depends on 15) The method of claim 15, wherein the first and second weighting factors are the same, and further comprising: responsive to a second determination that the first performance metric does not satisfy the first threshold according to the first comparison, selecting fourth, fifth and sixth tuning states. ### Claim 17 (depends on 15) The method of claim 15, further comprising, responsive to the first determination: measuring a second reference metric; determining a second performance metric according to a second measurement; comparing the second performance metric to the second reference metric resulting in a second comparison; responsive to a second determination that the second performance metric does not satisfy a second threshold according to the second comparison, selecting fourth, fifth and sixth tuning states; and responsive to a third determination that the second performance metric satisfies the second threshold according to the second comparison, continuing the tuning. ### Claim 18 A machine-readable storage medium, comprising executable instructions that, when executed by a processor of a communication device, facilitate performance of operations, comprising: adjusting a matching network utilizing a weighted tuning state resulting in a tuning, wherein the weighted tuning state is determined from applying a weighting factor to multiple tuning states that are predetermined tuning states based on increasing performance associated with types of operation; comparing a measured performance metric to a weighted reference metric resulting in a comparison, wherein the weighted reference metric is determined from applying the weighting factor to multiple reference metrics that are predetermined expected metrics based on the increasing performance associated with the types of operation; and responsive to a first determination that the measured performance metric satisfies a threshold according to the comparison, continuing the tuning utilizing the weighted tuning state. ### Claim 19 (depends on 18) The machine-readable storage medium of claim 18, wherein the types of operation are one of transmit, receive, duplex, aggregated receive, carrier aggregation, and any combination thereof. ### Claim 20 (depends on 18) The machine-readable storage medium of claim 18, wherein the operations further comprise: responsive to a second determination that the measured performance metric does not satisfy the threshold according to the comparison, selecting other multiple tuning states.