Method and apparatus for radio antenna frequency tuning
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-001/40
H04B-001/401
H01Q-001/24
H01Q-009/14
H03H-007/40
H04B-001/04
H04B-001/18
출원번호
US-0200222
(2014-03-07)
등록번호
US-9231643
(2016-01-05)
발명자
/ 주소
Hoirup, Carsten
Manssen, Keith
Greene, Matthew Russell
출원인 / 주소
BlackBerry Limited
대리인 / 주소
Guntin & Gust, PLC
인용정보
피인용 횟수 :
12인용 특허 :
240
초록▼
A system that incorporates teachings of the present disclosure may include, for example, a non-transitory computer-readable storage medium, which can include computer instructions to determine a subset of use cases from a group of use cases stored in a memory of a communication device, and to determ
A system that incorporates teachings of the present disclosure may include, for example, a non-transitory computer-readable storage medium, which can include computer instructions to determine a subset of use cases from a group of use cases stored in a memory of a communication device, and to determine a target use case from among the subset of use cases based on an operational parameter associated with a transceiver of the communication device. Additional embodiments are disclosed.
대표청구항▼
1. A method comprising: receiving, by a system of a wireless communication device, tuning information from a base station, the wireless communication device including an impedance matching circuit;determining, by the system, a usage condition associated with operation of the wireless communication d
1. A method comprising: receiving, by a system of a wireless communication device, tuning information from a base station, the wireless communication device including an impedance matching circuit;determining, by the system, a usage condition associated with operation of the wireless communication device;identifying, by the system, a subset of use cases from a group of use cases based on the usage condition;determining, by the system, an operational parameter associated with a transceiver of the wireless communication device, the operational parameter being determined via parametric measurements for each tuning state corresponding to each of the subset of use cases during the operation of the wireless communication device, wherein the parametric measurements are obtained at each of the tuning states at different times during an ordered sequence of sampling and wherein the operational parameter is determined based on averaging the parametric measurements to identify an average operational parameter for each tuning state; andselecting, by the system, a target use case from among the subset of use cases based on the operational parameter and the tuning information received from the base station. 2. The method of claim 1, comprising adjusting, by the system, a variable reactance component based on the target use case to tune the impedance matching circuit of the wireless communication device. 3. The method of claim 2, wherein the adjusting of the variable reactance component comprises adjusting a variable capacitance element of the impedance matching circuit. 4. The method of claim 1, wherein the selecting of the target use case from among the subset of use cases is based on an averaging of select ones of the parametric measurements. 5. The method of claim 1, wherein the operational parameter is not an operational mode of the wireless communication device and is not a wireless protocol. 6. The method of claim 5, comprising: determining, by the system, a second operational parameter associated with the transceiver, the second operational parameter being determined from second parametric measurements collected during the operation of the wireless communication device, wherein the second operational parameter is not the operational mode of the wireless communication device and is not the wireless protocol;comparing, by the system, the second operational parameter to a threshold; andselecting, by the system, a second subset of use cases from the group of use cases responsive to a determination that the second operational parameter does not satisfy the threshold,wherein the operational parameter is different from the second operational parameter. 7. The method of claim 1, wherein the operational parameter is associated with a receive portion of the transceiver and is obtained during a receive mode of the wireless communication device. 8. The method of claim 1, wherein the operational parameter comprises at least one of a received signal strength indicator, a received signal code power, a transmit power control level, a received signal quality, current drain, or a received bit error rate. 9. The method of claim 1, wherein the usage condition comprises at least one of a mechanical configuration of the wireless communication device or a user interface mode of the wireless communication device. 10. The method of claim 1, comprising: obtaining band information associated with the operation of the wireless communication device;storing the group of use cases in a table in a memory of the wireless communication device, wherein the selecting of the subset of use cases from the group of use cases stored in the table is based on the usage condition, the tuning information and the band information. 11. The method of claim 1, comprising adjusting, by the system, a variable reactance component based on the target use case to tune an impedance matching circuit of the wireless communication device, wherein the adjusting of the variable reactance component comprises adjusting one of a micro-electro-mechanical systems (MEMS) switch, a mechanical switch, or a semiconductor switch. 12. A communication device comprising: a transceiver;an impedance matching circuit coupled with the transceiver;a memory to store computer instructions; anda processor coupled with the memory and the impedance matching circuit, wherein the processor, responsive to executing the computer instructions, performs operations comprising: receiving tuning information from a base station;determining a usage condition associated with operation of the communication device;identifying a subset of use cases from a group of use cases based on the usage condition;determining an operational parameter associated with a transceiver of the communication device, the operational parameter being determined via parametric measurements for each tuning state corresponding to each of the subset of use cases during the operation of the communication device, wherein the parametric measurements are obtained at each of the tuning states at different times during an ordered sequence of sampling and wherein the operational parameter is determined based on averaging the parametric measurements to identify an average operational parameter for each tuning state; andselecting a target use case from among the subset of use cases based on the operational parameter and the tuning information received from the base station. 13. The communication device of claim 12, wherein the tuning information includes different power parameters associated with different tuning states. 14. The communication device of claim 12, wherein the selecting of the target use case comprises determining the target use case from among the subset of use cases based on a determination as to which of the average operational parameters correlates with a desired performance goal. 15. The communication device of claim 12, wherein the impedance matching comprises a variable reactance component, and wherein the operations further comprise adjusting the variable reactance component based on the target use case to tune the impedance matching circuit. 16. The communication device of claim 12, wherein the operational parameter comprises a received signal strength indicator, and wherein the usage condition comprises a radio bearer type. 17. The communication device of claim 12, wherein the operational parameter is associated with a receive portion of a transceiver and is obtained during a receive mode of the communication device. 18. A non-transitory computer-readable storage device comprising computer instructions which, responsive to being executed by a processor of a communication device, cause the processor to perform operations comprising: selecting a subset of use cases from a group of use cases based on a usage condition of the communication device;collecting parametric measurements associated with a transceiver of the communication device for each tuning state corresponding to each of the subset of use cases during the operation of the communication device, wherein the collecting of the parametric measurements comprises collecting multiple parametric measurements for each tuning state corresponding to each of the subset of use cases during the operation of the communication device;selecting a target use case from among the subset of use cases based on the parametric measurements, wherein the selecting of the target use case from among the subset of use cases is based on an averaging of select ones of the multiple parametric measurements;receiving tuning information from a base station; andtuning an impedance matching circuit of the communication device by adjusting a variable reactance component based on the target use case and based on the tuning information received from the base station. 19. The non-transitory computer-readable storage device of claim 18, wherein the tuning information includes different power parameters associated with different tuning states wherein the selecting of the target use case from among the subset of use cases is based on an averaging of select ones of the multiple parametric measurements. 20. The non-transitory computer-readable storage device of claim 18, wherein the parametric measurements are associated with a receive portion of the transceiver and are obtained during a receive mode of the communication device.
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