DETAILED ACTION
Notice of Pre-AIA or AIA Status
The present application, filed on or after March 16, 2013, is being examined under the first inventor to file provisions of the AIA .
Double Patenting
The nonstatutory double patenting rejection is based on a judicially created doctrine grounded in public policy (a policy reflected in the statute) so as to prevent the unjustified or improper timewise extension of the “right to exclude” granted by a patent and to prevent possible harassment by multiple assignees. A nonstatutory double patenting rejection is appropriate where the conflicting claims are not identical, but at least one examined application claim is not patentably distinct from the reference claim(s) because the examined application claim is either anticipated by, or would have been obvious over, the reference claim(s). See, e.g., In re Berg, 140 F.3d 1428, 46 USPQ2d 1226 (Fed. Cir. 1998); In re Goodman, 11 F.3d 1046, 29 USPQ2d 2010 (Fed. Cir. 1993); In re Longi, 759 F.2d 887, 225 USPQ 645 (Fed. Cir. 1985); In re Van Ornum, 686 F.2d 937, 214 USPQ 761 (CCPA 1982); In re Vogel, 422 F.2d 438, 164 USPQ 619 (CCPA 1970); In re Thorington, 418 F.2d 528, 163 USPQ 644 (CCPA 1969).
A timely filed terminal disclaimer in compliance with 37 CFR 1.321(c) or 1.321(d) may be used to overcome an actual or provisional rejection based on nonstatutory double patenting provided the reference application or patent either is shown to be commonly owned with the examined application, or claims an invention made as a result of activities undertaken within the scope of a joint research agreement. See MPEP § 717.02 for applications subject to examination under the first inventor to file provisions of the AIA as explained in MPEP § 2159. See MPEP § 2146 et seq. for applications not subject to examination under the first inventor to file provisions of the AIA . A terminal disclaimer must be signed in compliance with 37 CFR 1.321(b).
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1. Claims 2-29 are rejected on the ground of nonstatutory double patenting as being unpatentable over claims 1-28 of U.S. Patent No. 12,126,408. Although the claims at issue are not identical, they are not patentably distinct from each other because see below.
App. 18/899,273
U.S. 12,126,408
2. A method for executing a signal tracking operation with an antenna system, the method comprising:
setting an antenna of the antenna system to an initial angular position towards a target, the initial angular position being defined in a local tangent plane relative to the antenna system and the target;
adjusting a pointing direction of the antenna from the initial angular position to a plurality of angular positions;
measuring a signal metric of signals communicated between the antenna and the target at each of the plurality of angular positions;
determining whether a measurement metric measured by a measurement system satisfies a threshold metric level; and
selecting a scan offset angle based on the measured signal metrics.
U.S. patent 12,126,408 discloses the teaching of current application 18/899273 limitation as shown above and it would have been obvious to one order skill in the art to implement the instant limitation as claimed by application 18/899273.
3. The method of claim 2, wherein the scan offset angle is selected when: (1) the measurement metric meets or exceeds the threshold metric level and a number of times the pointing direction was adjusted meets a threshold operation level; or (2) the measurement metric does not meet or exceed the threshold metric level.
4. The method of claim 2, further comprising: determining whether a number of times the pointing direction was adjusted satisfies a threshold operation level; and upon a determination that the number of times the pointing direction was adjusted does not meet or exceed the threshold operation level, repeating performance of the signal tracking operation.
5. The method of claim 2, wherein the antenna system is mounted on a vehicle.
6. The method of claim 5, wherein determining that the measurement metric satisfies the threshold metric level comprises determining that the vehicle is moving.
7. The method of claim 5, wherein the local tangent plane defines a North, East, Down (NED) reference frame in a global coordinate system based on a position of the vehicle and a target satellite.
8. The method of claim 2, wherein selecting the scan offset angle comprises calculating the scan offset angle based on an aggregation of the measured signal metrics.
9. The method of claim 8, wherein calculating the scan offset angle comprises calculating an angle that provides a greatest signal strength relative to the measured signal metrics.
10. The method of claim 8, wherein the selected scan offset angle is between one or more angular positions of the plurality of angular positions for which signal metrics are measured.
11. The method of claim 8, wherein the selected scan offset angle is an angular position of the plurality of angular positions for which the signal metrics was measured.
12. The method of claim 2, wherein setting the antenna of the antenna system to the initial angular position towards the target comprises causing a positioner of the antenna system to set the antenna to the initial angular position.
13. The method of claim 12, wherein adjusting the pointing direction of the antenna comprises adjusting an azimuth and an elevation to change a yaw of the antenna.
14. The method of claim 13, wherein the signal tracking operation is executed multiple times and wherein adjusting the pointing direction of the antenna comprises adjusting the azimuth and elevation in opposing directions after consecutive executions of an offset compensation operation to compensate for backlash in gears of the positioner.
15. The method of claim 2, wherein: the measurement system is an inertial navigation system (INS); and the INS comprises a microelectromechanical system (MEMS) gyroscope to measure an attitude of a vehicle on which the antenna is installed.
16. An antenna system, comprising: an antenna; one or more processors; and memory storing instructions for executing a signal tracking operation, the instructions executable by the one or more processors to cause the antenna system to:
set the antenna to an initial angular position towards a target, the initial angular position being defined in a local tangent plane relative to the antenna system and the target;
adjust a pointing direction of the antenna from the initial angular position to a plurality of angular positions;
measure a signal metric of signals communicated between the antenna and the target at each of the plurality of angular positions;
determine whether a measurement metric measured by a measurement system satisfies a threshold metric level; and
select a scan offset angle based on the measured signal metrics.
17. The antenna system of claim 16, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle when: (1) the measurement metric meets or exceeds the threshold metric level and a number of times the pointing direction was adjusted meets a threshold operation level; or (2) the measurement metric does not meet or exceed the threshold metric level.
18. The antenna system of claim 16, wherein the instructions are executable by the one or more processors to cause the antenna system to: determine whether a number of times the pointing direction was adjusted satisfies a threshold operation level; and repeat performance of the signal tracking operation upon a determination that the number of times the pointing direction was adjusted does not meet or exceed the threshold operation level.
19. The antenna system of claim 16, mounted on a vehicle.
20. The antenna system of claim 19, wherein, to determine that the measurement metric satisfies the threshold metric level, the instructions are executable by the one or more processors to cause the antenna system to: determine that the vehicle is moving.
21. The antenna system of claim 19, wherein the local tangent plane defines a North, East, Down (NED) reference frame in a global coordinate system based on a position of the vehicle and a target satellite.
22. The antenna system of claim 16, wherein, to select the scan offset angle, the instructions are executable by the one or more processors to cause the antenna system to: calculate the scan offset angle based on an aggregation of the measured signal metrics.
23. The antenna system of claim 22, wherein, to calculate the scan offset angle, the instructions are executable by the one or more processors to cause the antenna system to: calculate an angle that provides a greatest signal strength relative to the measured signal metrics.
24. The antenna system of claim 22, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle between one or more angular positions of the plurality of angular positions for which signal metrics are measured.
25. The antenna system of claim 22, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle as an angular position of the plurality of angular positions for which the signal metrics was measured.
26. The antenna system of claim 16, wherein, to set the antenna to the initial angular position towards the target, the instructions are executable by the one or more processors to cause the antenna system to: cause a positioner of the antenna system to set the antenna to the initial angular position.
27. The antenna system of claim 26, wherein, to adjust the pointing direction of the antenna, the instructions are executable by the one or more processors to cause the antenna system to: adjust an azimuth and an elevation to change a yaw of the antenna.
28. The antenna system of claim 27, wherein the instructions are executable by the one or more processors to cause the antenna system to execute the signal tracking operation multiple times and, to adjust the pointing direction of the antenna, the instructions are executable by the one or more processors to cause the antenna system to: adjust the azimuth and elevation in opposing directions after consecutive executions of an offset compensation operation to compensate for backlash in gears of the positioner.
29. The antenna system of claim 16, wherein the measurement system is an inertial navigation system (INS) that comprises a microelectromechanical system (MEMS) gyroscope to measure an attitude of a vehicle on which the antenna is installed.
1. A method for executing a signal tracking operation with an antenna system, the method comprising:
setting an antenna of the antenna system to an initial angular position towards a target, the initial angular position being defined in a local tangent plane relative to the antenna system and the target;
adjusting a pointing direction of the antenna from the initial angular position to a plurality of angular positions in a sweep operation;
measuring a signal metric of signals communicated between the antenna and the target at each of the plurality of angular positions of the sweep operation; recording a number of times the sweep operation has been executed;
determining whether a yaw rate measured by an inertial navigation system (INS) satisfies a threshold yaw rate level; determining whether the number of times the sweep operation was executed satisfies a threshold operation level; and
selecting a scan offset angle based on the measured signal metrics.
2. The method of claim 1, wherein the scan offset angle is selected when: (1) the yaw rate meets or exceeds the threshold yaw rate level and the number of times the sweep operation was executed meets the threshold operation level; or (2) the yaw rate does not meet or exceed the threshold yaw rate level.
3. The method of claim 1, further comprising, upon a determination that the number of times the sweep operation was executed does not meet or exceed the threshold operation level, repeating performance of the signal tracking operation.
4. The method of claim 1, wherein the antenna system is mounted on a vehicle.
5. The method of claim 4, wherein determining that the yaw rate satisfies the threshold yaw rate level comprises determining that the vehicle is moving.
6. The method of claim 4, wherein the local tangent plane defines a North, East, Down (NED) reference frame in a global coordinate system based on a position of the vehicle and a target satellite.
7. The method of claim 1, wherein selecting the scan offset angle comprises calculating the scan offset angle based on an aggregation of the measured signal metrics.
8. The method of claim 7, wherein calculating the scan offset angle comprises calculating an angle that provides a greatest signal strength relative to the measured signal metrics.
9. The method of claim 7, wherein the selected scan offset angle is between one or more angular positions of the plurality of angular positions for which signal metrics are measured.
10. The method of claim 7, wherein the selected scan offset angle is an angular position of the plurality of angular positions for which the signal metrics was measured.
11. The method of claim 1, wherein setting the antenna of the antenna system to the initial angular position towards the target comprises causing a positioner of the antenna system to set the antenna to the initial angular position.
12. The method of claim 11, wherein adjusting the pointing direction of the antenna comprises adjusting an azimuth and an elevation to change a yaw of the antenna.
13. The method of claim 12, wherein the signal tracking operation is executed multiple times and wherein adjusting the pointing direction of the antenna comprises adjusting the azimuth and elevation in opposing directions after consecutive executions of an offset compensation operation to compensate for backlash in gears of the positioner.
14. The method of claim 1, wherein the INS comprises a microelectromechanical system (MEMS) gyroscope to measure an attitude of a vehicle on which the antenna is installed.
15. An antenna system, comprising: an antenna; one or more processors; and memory storing instructions for executing a signal tracking operation, the instructions executable by the one or more processors to cause the antenna system to:
set the antenna to an initial angular position towards a target, the initial angular position being defined in a local tangent plane relative to the antenna system and the target;
adjust a pointing direction of the antenna from the initial angular position to a plurality of angular positions in a sweep operation;
measure a signal metric of signals communicated between the antenna and the target at each of the plurality of angular positions of the sweep operation; record a number of times the sweep operation has been executed; determine whether a yaw rate measured by an inertial navigation system (INS) satisfies a threshold yaw rate level;
determine whether the number of times the sweep operation was executed satisfies a threshold operation level; and
select a scan offset angle based on the measured signal metrics.
16. The antenna system of claim 15, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle when: (1) the yaw rate meets or exceeds the threshold yaw rate level and the number of times the sweep operation was executed meets the threshold operation level; or (2) the yaw rate does not meet or exceed the threshold yaw rate level.
17. The antenna system of claim 15, wherein the instructions are executable by the one or more processors to cause the antenna system to: repeat performance of the signal tracking operation upon a determination that the number of times the sweep operation was executed does not meet or exceed the threshold operation level.
18. The antenna system of claim 15, mounted on a vehicle.
19. The antenna system of claim 18, wherein, to determine that the yaw rate satisfies the threshold yaw rate level, the instructions are executable by the one or more processors to cause the antenna system to: determine that the vehicle is moving.
20. The antenna system of claim 18, wherein the local tangent plane defines a North, East, Down (NED) reference frame in a global coordinate system based on a position of the vehicle and a target satellite.
21. The antenna system of claim 15, wherein, to select the scan offset angle, the instructions are executable by the one or more processors to cause the antenna system to: calculate the scan offset angle based on an aggregation of the measured signal metrics.
22. The antenna system of claim 21, wherein, to calculate the scan offset angle, the instructions are executable by the one or more processors to cause the antenna system to: calculate an angle that provides a greatest signal strength relative to the measured signal metrics.
23. The antenna system of claim 21, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle between one or more angular positions of the plurality of angular positions for which signal metrics are measured.
24. The antenna system of claim 21, wherein the instructions are executable by the one or more processors to cause the antenna system to: select the scan offset angle as an angular position of the plurality of angular positions for which the signal metrics was measured.
25. The antenna system of claim 15, wherein, to set the antenna to the initial angular position towards the target, the instructions are executable by the one or more processors to cause the antenna system to: cause a positioner of the antenna system to set the antenna to the initial angular position.
26. The antenna system of claim 25, wherein, to adjust the pointing direction of the antenna, the instructions are executable by the one or more processors to cause the antenna system to: adjust an azimuth and an elevation to change a yaw of the antenna.
27. The antenna system of claim 26, wherein the instructions are executable by the one or more processors to cause the antenna system to execute the signal tracking operation multiple times and, to adjust the pointing direction of the antenna, the instructions are executable by the one or more processors to cause the antenna system to: adjust the azimuth and elevation in opposing directions after consecutive executions of an offset compensation operation to compensate for backlash in gears of the positioner.
28. The antenna system of claim 15, wherein the INS comprises a microelectromechanical system (MEMS) gyroscope to measure an attitude of a vehicle on which the antenna is installed.
Allowable Subject Matter
2. Claims 2-29 are rejected but would be allowable if applicant file a terminal disclaimer to overcome the double patenting rejection shown above.
Conclusion
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ZEWDU A. KASSA
Examiner
Art Unit 2637
/ZEWDU A KASSA/Primary Examiner, Art Unit 2635