Adaptive impedance matching module (AIMM) control architectures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-001/06
H04B-007/00
출원번호
US-0293544
(2011-11-10)
등록번호
US-8620246
(2013-12-31)
발명자
/ 주소
McKinzie, William E.
Bachmann, Heinz
Mendolia, Gregory
출원인 / 주소
Blackberry Limited
대리인 / 주소
Guntin & Gust, PLC
인용정보
피인용 횟수 :
49인용 특허 :
186
초록▼
A system that incorporates teachings of the present disclosure can include, for example, determining at a port of a matching network reflection information from a signal sampled across at least one predetermined fixed-value reactance component, generating at least one control signal according to the
A system that incorporates teachings of the present disclosure can include, for example, determining at a port of a matching network reflection information from a signal sampled across at least one predetermined fixed-value reactance component, generating at least one control signal according to the reflection information, and tuning the matching network with the at least one control signal, where the matching network comprises one or more controllable variable reactive elements each with an independent control voltage. Additional embodiments are disclosed.
대표청구항▼
1. An apparatus, comprising: a matching network operable to perform operations comprising reducing a magnitude of a signal reflection at a port of the matching network,wherein the matching network comprises one or more controllable variable reactive elements, andwherein a controller is operable to p
1. An apparatus, comprising: a matching network operable to perform operations comprising reducing a magnitude of a signal reflection at a port of the matching network,wherein the matching network comprises one or more controllable variable reactive elements, andwherein a controller is operable to perform operations comprising determining reflection information from signal information sampled across a predetermined fixed-value reactance component, and engaging in at least one cycle of a coarse tuning process for generating one or more control signals to tune one or more reactances of the one or more controllable variable reactive elements. 2. The apparatus of claim 1, wherein the signal information comprises nodal voltages sampled across the predetermined fixed-value reactance component. 3. The apparatus of claim 2, wherein the reflection information is determined from a ratio of the nodal voltages derived from the signal information. 4. The apparatus of claim 1, wherein the reflection information comprises at least one of phase information or magnitude information of a complex reflection coefficient. 5. The apparatus of claim 1, wherein the reflection information comprises at least one of phase information or magnitude information derived from signal information sampled across the predetermined fixed-value reactance component. 6. The apparatus of claim 1, wherein a look-up table is used to perform the coarse tuning process. 7. The apparatus of claim 1, wherein the controller further performs operations comprising determining new reflection information after the at least one cycle of the coarse tuning process, and responsive to a magnitude of the new reflection information achieving a desired level, fine tuning the one or more controllable variable reactive elements by applying iterative adjustments to the one or more control signals. 8. The apparatus of claim 1, wherein a phase detector detects phase information from the signal information sampled across the predetermined fixed-value reactance component, and wherein the controller further performs operations comprising initiating at least one additional cycle of one of a fine tuning process or the coarse tuning according to the phase information. 9. The apparatus of claim 1, wherein the predetermined fixed-value reactance component comprises one of a fixed-value capacitor, or a fixed-value inductor, or a combination thereof. 10. The apparatus of claim 1, wherein the one or more control signals generated by the coarse tuning process are supplied to a plurality of digital to analog converters (DACs) whose outputs are supplied to buffers controlling the one or more controllable variable reactive elements. 11. The apparatus of claim 1, wherein the one or more controllable variable reactive elements comprise at least one of: one or more reactive elements controlled by one or more semiconductor devices, wherein the one or more semiconductor devices are controlled by the one or more control signals; orone or more reactive elements controlled by one or more micro-electro-mechanical systems (MEMS) devices, wherein the one or more MEMS devices are controlled by the one or more control signals; orone or more reactive elements each having a controllable reactance, wherein the reactance of each of the one or more reactive elements is controlled by one of the one or more control signals; orcombinations thereof. 12. The apparatus of claim 1, wherein the one or more control signals are at least one of one or more digital signals or one or more analog signals. 13. A computer-readable storage medium, comprising computer instructions that, when executed by one or more processors, causes the one or more processors to perform operations comprising: determining input reflection information at a port of a matching network by monitoring signal information across a predetermined fixed-value reactance component; andcoarse tuning one or more controllable variable reactive elements of the matching network with one or more control signals determined according to the input reflection information. 14. The storage medium of claim 13, wherein the signal information comprises nodal voltages across the predetermined fixed-value reactance component, and wherein the coarse tuning is performed according to a look-up table that provides values corresponding to the one or more control signals. 15. The storage medium of claim 14, wherein the input reflection information is determined according to a ratio of the nodal voltages derived from the signal information. 16. The storage medium of claim 13, wherein the predetermined fixed-value reactance component comprises one of a predetermined fixed-value capacitor, or a predetermined fixed-value inductor, or a combination thereof. 17. The storage medium of claim 13, wherein the one or more controllable variable reactive elements comprise at least one of: one or more reactive elements controlled by one or more semiconductor devices, wherein the one or more semiconductor devices are controlled by the one or more control signals; orone or more reactive elements controlled by one or more micro-electro-mechanical systems (MEMS) devices, wherein the one or more MEMS devices are controlled by the one or more control signals; orone or more reactive elements each having a controllable reactance, wherein the reactance of each of the one or more reactive elements is controlled by one of the one or more control signals; orcombinations thereof. 18. A method, comprising: determining at a port of a matching network reflection information from a signal sampled across at least one predetermined fixed-value reactance component;generating at least one control signal according to the reflection information; andtuning the matching network with the at least one control signal, wherein the matching network comprises one or more controllable variable reactive elements each with an independent control voltage. 19. The method of claim 18, wherein tuning is performed according to a coarse tuning process. 20. The method of claim 18, wherein tuning is performed according to a fine tuning process. 21. The method of claim 18, wherein the one or more controllable variable reactive elements comprise at least one of: one or more reactive elements controlled by one or more semiconductor devices, wherein the one or more semiconductor devices are controlled by the one or more control signals; orone or more reactive elements controlled by one or more micro-electro-mechanical systems (MEMS) devices, wherein the one or more MEMS devices are controlled by the one or more control signals; orone or more reactive elements each having a controllable reactance, wherein the reactance of each of the one or more reactive elements is controlled by one of the one or more control signals; orcombinations thereof. 22. The method of claim 18, wherein the at least one control signal comprises at least one of one or more digital signals or one or more analog signals or combinations thereof, wherein the at least one predetermined fixed-value reactance component comprises one of at least one predetermined fixed-value capacitor, or at least one predetermined fixed-value inductor, or combinations thereof.
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Bradley Donald A. (Morgan Hill CA) Grace Martin I. (San Jose CA) Thornton Douglas R. (Felton CA) Finch David P. (Morgan Hill CA), Apparatus and method for measuring the phase and magnitude of microwave signals.
Ella, Juha S.; Kylakoski, Janne P., Apparatus comprising an antenna element, which efficiently performs at both a first resonant frequency band and a second resonant frequency band, method and computer program therefore.
Jackson, Robert; Joseph, Abner D.; Terry, Don S.; White, Perry K., Capacitor employing both fringe and plate capacitance and method of manufacture thereof.
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Sengupta Louise C. (Woburn MA) Ngo Eric (Brighton MA) Stowell Steven (Jamaica Plain MA) Gilde Gary (Brighton MA) Lancto Robert (Wakefield MA), Ceramic ferroelectric material.
Johnson David C. (Winston Salem NC) Renn Robert M. (Pfafftown NC) Volz Keith L. (Jamestown NC) Deak Frederick R. (Kernersville NC), Computer docking system.
Gaudin Daniel (Paris FRX) Le Gars Philippe (Paris FRX), Device for detecting the optimum anode load impedance of a tube transmitter in a high frequency transmission chain.
Sengupta Louise C. (Woburn MA) Ngo Eric (Brighton MA) O\Day Michelina E. (Woburn MA) Stowell Steven (Boston MA) Lancto Robert (Wakefield MA) Sengupta Somnath (Woburn MA) Hynes Thomas V. (Nashua NH), Electronically graded multilayer ferroelectric composites.
Chatzipetros, Argyrios A.; Patsiokas, Stelios, Electronically steerable antenna array using user-specified location data for maximum signal reception based on elevation angle.
Sengupta, Louise C.; Zhang, Xubai; Chiu, Luna H., Electronically tunable, low-loss ceramic materials including a tunable dielectric phase and multiple metal oxide phases.
Brand Michael ; Dougherty Thomas Kirk ; Drab John J. ; Pierce Brian M., Fixed frequency regulation circuit employing a voltage variable dielectric capacitor.
Suzuki Katsumi,JPX ; Enomoto Youichi,JPX ; Tanaka Shoji,JPX, High frequency band high temperature superconductor mixer antenna which allows a superconductor feed line to be used in.
King Jeffrey V. ; Fletcher William I. ; Lemon Leon M. ; Olsen David D., Intelligent fiberoptic transmitters and methods of operating and manufacturing the same.
Cygan Lawrence F. (Schaumburg IL) Gailus Paul H. (Prospect Heights IL) Turney William J. (Schaumburg IL) Yester ; Jr. Francis R. (Arlington Heights IL), Method and apparatus for enhancing an operating characteristic of a radio transmitter.
Hess Garry C. (38W711 Hogan Hill Elgin IL 60123) Davidson Allen L. (3502 Crystal Lake Ave. Crystal Lake IL 60014), Method and apparatus for producing diversity gain of a received signal.
Willis, Frederick G.; Radtke, Richard R.; Ellison, Joseph; Fozo, Steven R.; Kern, Glenn A., Method for generating a table of engine calibration control values.
Babbitt Richard W. (Fairhaven NJ) Koscica Thomas E. (Clark NJ) Drach William C. (Trenton NJ), Microwave ferroelectric phase shifters and methods for fabricating the same.
Duncombe Peter Richard ; Laibowitz Robert Benjamin ; Neumayer Deborah Ann ; Saenger Katherine Lynn ; Shaw Thomas Mcarraoll, Multilayer ferroelectric capacitor structure.
Chang Kai (College Station TX) Navarro Julio A. (Pasadena TX) Shu Yong H. (Bryan TX), Planar active endfire radiating elements and coplanar waveguide filters with wide electronic tuning bandwidth.
Carney Scott N. (Palatine IL) Lauro George L. (San Jose CA) Krenz Eric L. (Crystal Lake IL) Ghaem Sanjar (Palatine IL), RF tagging system including RF tags with variable frequency resonant circuits.
Koscica Thomas E. (Clark NJ) Babbitt Richard W. (Fairhaven NJ) Drach William C. (Tinton Falls NJ), Single substrate planar digital ferroelectric phase shifter.
Partridge, Alden; Acsadi, Peter; Omictin, Guy; Robinson, John; Henderson, Herbert Jefferson, Switched charge voltage driver and method for applying voltage to tunable dielectric devices.
Koscica Thomas E. (Clark NJ) Babbitt Richard W. (Fair Haven NJ) Drach William C. (Tinton Falls NJ), System and method for calibrating a ferroelectric phase shifter.
Fabrega Sanchez,Jorge; Poilasne,Gregory; Toncich,Stanley S.; Tran,Allen, System and method for impedance matching an antenna to sub-bands in a communication band.
Channabasappa,Eswarappa; Egri,Robert, System and method of using absorber-walls for mutual coupling reduction between microstrip antennas or brick wall antennas.
Vakilian, Nooshin D.; Rozenblit, Dmitriy; Domino, William J.; Damgaard, Morten, System for allowing a TDMA/CDMA portable transceiver to operate with closed loop power control.
Kelton,James Robert; Cave,Michael David; Girardeau, Jr.,James Ward; May,Michael R.; Astrachan,Paul Morris; Pilla,Anselmo; Doyle,James; Saleem,Shawn; Rybicki,Mathew A., System for providing data to multiple devices and method thereof.
Dimos Duane Brian ; Schwartz Robert William ; Raymond Mark Victor ; Al-Shareef Husam Niman ; Mueller Carl ; Galt David, Tuneable dielectric films having low electrical losses.
Yandrofski Robert M. (7 Dutch Creek Dr. Littleton CO 80123) Price John C. (742 16th St. Boulder CO 80302) Barnes Frank (225 Continental View Dr. Boulder CO 80303) Hermann Allen M. (2704 Lookout View , Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films.
Luna H. Chiu ; Yongfei Zhu ; Xubai Zhang ; Steven C. Stowell ; Andrey Kozyrev RU; Somnath Sengupta ; Louise Sengupta, Voltage tunable laminated dielectric materials for microwave applications.
Chiu, Luna H.; Zhu, Yongfei; Zhang, Xubai; Stowell, Steven C.; Kozyrev, Andrey; Sengupta, Somnath; Sengupta, Louise, Voltage tunable varactors and tunable devices including such varactors.
Munson Robert Eugene ; Bancroft Randy Cecil ; Bateman Blaine Rexel ; Negler Joseph Theofil ; Uspenski Alexis ; Ward Edward Earl, Wide band antenna having unitary radiator/ground plane.
Manssen, Keith; Greene, Matthew Russell; Smith, Wayne; Schlueter, David; Spears, John, Method and apparatus for managing interference in a communication device.
Manssen, Keith; Greene, Matthew Russell; Smith, Wayne; Schlueter, David; Spears, John, Method and apparatus for managing interference in a communication device.
Manssen, Keith; Hoirup, Carsten; Greene, Matthew Russell; Hughes, Simon Andrew; Morelen, Steven Mark; Galperin, Victor; Spears, John Hanford, Methods and apparatus for tuning circuit components of a communication device.
Manssen, Keith; Hoirup, Carsten; Greene, Matthew; Hughes, Simon Andrew; Morelen, Steven Mark; Galperin, Victor; Spears, John, Methods and apparatus for tuning circuit components of a communication device.
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