Air-to-ground antenna pointing using kalman optimization of beam control systems
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04B-007/185
H04W-036/00
G01S-019/49
H04W-084/06
출원번호
US-0493047
(2012-06-11)
등록번호
US-9843380
(2017-12-12)
발명자
/ 주소
Mitchell, James P.
출원인 / 주소
Rockwell Collins, Inc.
대리인 / 주소
Gerdzhikov, Angel N.
인용정보
피인용 횟수 :
0인용 특허 :
6
초록▼
Methods for controlling directional antennas (and systems for performing same) may include one or more operations including, but not limited to: determining a location of an aircraft using a Kalman filter; selecting at least one communication tower for air-to-ground communication; computing a vector
Methods for controlling directional antennas (and systems for performing same) may include one or more operations including, but not limited to: determining a location of an aircraft using a Kalman filter; selecting at least one communication tower for air-to-ground communication; computing a vector between the location of the aircraft and at least one selected communication tower; and configuring a directional antenna of an aircraft to correspond to the vector.
대표청구항▼
1. A method for optimizing air-to-ground antenna pointing comprising: determining a location of an aircraft using a Kalman filter;searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined
1. A method for optimizing air-to-ground antenna pointing comprising: determining a location of an aircraft using a Kalman filter;searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined location;determining: 1) potential terrestrial interference between the aircraft and the at least one ground-based communication tower, and2) potential cell-edge interference between the aircraft and the at least one ground-based communication tower,wherein potential terrestrial interference is based on at least the determined location, and potential cell-edge interference is based on at least the determined location and transceiving profile data of the onboard database, the transceiving profile data including one or more of a power level of the at least one ground-based communication tower, a link quality of the at least one ground-based communication tower, and a band of the at least one ground-based communication tower;selecting at least one communication tower of the at least one ground-based communication tower for air-to-ground communication based on at least one of the transceiving profile data, the potential terrestrial interference, and the potential cell-edge interference;computing a vector between the location of the aircraft and at least one selected communication tower; andconfiguring a directional antenna of an aircraft to correspond to the vector. 2. The method of claim 1, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving global positioning system (GPS) signals; andcomputing a location of the aircraft according to the GPS signals. 3. The method of claim 2, wherein the computing a location of the aircraft according to the GPS signals comprises: applying a Kalman filter to the GPS signals. 4. The method of claim 1, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving inertial navigation system (INS) signals; andcomputing a location of the aircraft according to the INS signals. 5. The method of claim 4, wherein the computing a location of the aircraft according to the GPS signals comprises: applying a Kalman filter to the INS signals. 6. The method of claim 1, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving global positioning system (GPS) signals;applying the Kalman filter to the GPS signals to provide a GPS aircraft location estimate;receiving inertial navigation system (INS) signals;applying the Kalman filter to the INS signals to provide an INS aircraft location estimate;computing a combined estimated aircraft location from the GPS aircraft location estimate and the INS aircraft location estimate. 7. The method of claim 6, wherein the computing a combined estimated aircraft location from the GPS aircraft location estimate and the INS aircraft location estimate comprises: computing an average of the GPS aircraft location estimate and the INS aircraft location estimate. 8. The method of claim 7, wherein the computing an average of the GPS aircraft location estimate and the INS aircraft location estimate comprises: computing a weighted average of the GPS aircraft location estimate and the INS aircraft location estimate. 9. The method of claim 8, wherein the computing a weighted average of the GPS aircraft location estimate and the INS aircraft location estimate comprises: applying a Bayesian model to the GPS aircraft location estimate and the INS aircraft location estimate to compute the weighted average. 10. The method of claim 1, wherein the searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined location comprises: searching an onboard database of communication towers for a ground-based communications tower closest to the location of the aircraft. 11. The method of claim 1, wherein the searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined location comprises: searching an onboard database of communication towers for one or more ground-to-ground communications towers meeting a first threshold transceiving parameter from the aircraft and one or more air-to-ground communications towers meeting a second threshold transceiving parameter. 12. A system for optimizing air-to-ground antenna pointing comprising: means for determining a location of an aircraft using a Kalman filter;means for searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined location;means for determining: 1) potential terrestrial interference between the aircraft and the at least one ground-based communication tower, and2) potential cell-edge interference between the aircraft and the at least one ground-based communication tower,wherein potential terrestrial interference is based on at least the determined location, and potential cell-edge interference is based on at least the determined location and transceiving profile data of the onboard database, the transceiving profile data including one or more of a power level of the at least one ground-based communication tower, a link quality of the at least one ground-based communication tower, and a band of the at least one ground-based communication tower;means for selecting at least one communication tower of the at least one ground-based communication tower for air-to-ground communication based on at least one of the transceiving profile data, the potential terrestrial interference, and the potential cell-edge interference;means for computing a vector between the location of the aircraft and at least one selected communication tower; andmeans for configuring a directional antenna of an aircraft to correspond to the vector. 13. The system of claim 12, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving global positioning system (GPS) signals; andcomputing a location of the aircraft according to the GPS signals. 14. The system of claim 13, wherein the computing a location of the aircraft according to the GPS signals comprises: applying a Kalman filter to the GPS signals. 15. The system of claim 12, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving inertial navigation system (INS) signals; andcomputing a location of the aircraft according to the INS signals. 16. The system of claim 15, wherein the computing a location of the aircraft according to the GPS signals comprises: applying a Kalman filter to the INS signals. 17. The system of claim 12, wherein the determining a location of an aircraft using a Kalman filter comprises: receiving global positioning system (GPS) signals;applying a Kalman filter to the GPS signals to provide a GPS aircraft location estimate;receiving inertial navigation system (INS) signals;applying the Kalman filter to the INS signals to provide an INS aircraft location estimate;computing a combined estimated aircraft location from the GPS aircraft location estimate and the INS aircraft location estimate. 18. A non-transitory computer readable medium comprising computer-readable instructions that, when executed, cause a computer to execute functions comprising: determining a location of an aircraft using a Kalman filter;searching an onboard database of communication towers for at least one ground-based communication tower meeting threshold transceiving parameters based on the determined location;determining: 1) potential terrestrial interference between the aircraft and the at least one ground-based communication tower, and2) potential cell-edge interference between the aircraft and the at least one ground-based communication tower,wherein potential terrestrial interference is based on at least the determined location, and potential cell-edge interference is based on at least the determined location and transceiving profile data of the onboard database, the transceiving profile data including one or more of a power level of the at least one ground-based communication tower, a link quality of the at least one ground-based communication tower, and a band of the at least one ground-based communication tower;selecting at least one communication tower of the at least one ground-based communication tower for air-to-ground communication based on at least one of the transceiving profile data, the potential terrestrial interference, and the potential cell-edge interference;computing a vector between the location of the aircraft and at least one selected communication tower; andconfiguring a directional antenna of an aircraft to correspond to the vector.
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이 특허에 인용된 특허 (6)
Mitchell, James P., Airborne cell tower selection system and method.
Woodell, Daniel L.; Jinkins, Richard D.; Rademaker, Richard M.; McCusker, Patrick D., System and method for aircraft altitude measurement using radar and known runway position.
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