Patents by Inventor Jeffrey B. Bench
Jeffrey B. Bench has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240380560Abstract: Selecting a control channel set in a communication system involves monitoring received signals to identify a node of interest (NOI) and determining Eb/N0 values for a plurality of control channels. For this purpose, a data metric and spectral data can be provided to the communication device by the NOI for which Eb/N0 values are being determined. A comparison is made of the Eb/N0 values to select an optimal control channel set. The optimal control channel set is then used by the communication device to transmit the control channel information to the NOI.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp
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Publication number: 20240380561Abstract: Selecting a control channel set in a communication system involves monitoring received signals to identify a plurality of nodes of interest (NOI) and determining Eb/N0 values for a plurality of control channels. For this purpose, a data metric and spectral data can be provided to the communication device by the respective NOI for which Eb/N0 values are being determined. A comparison is made of the Eb/N0 values for all NOI to select an optimal control channel set. The optimal control channel set is then used by the communication device to transmit the control channel information to the plurality of NOI.Type: ApplicationFiled: July 24, 2024Publication date: November 14, 2024Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp
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Patent number: 12069001Abstract: Selecting a control channel set in a communication system involves monitoring received signals to identify a plurality of nodes of interest (NOI) and determining Eb/N0 values for a plurality of control channels. For this purpose, a data metric and spectral data can be provided to the communication device by the respective NOI for which Eb/N0 values are being determined. A comparison is made of the Eb/N0 values for all NOI to select an optimal control channel set. The optimal control channel set is then used by the communication device to transmit the control channel information to the plurality of NOI.Type: GrantFiled: March 4, 2022Date of Patent: August 20, 2024Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp
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Patent number: 11903007Abstract: A transmitter in a frequency domain duplexing (FDD) network system is configured to receive spectral information from neighbor receiver nodes. For each of the neighbor receiver nodes, the transmitter computes an SNR at each of the plurality of frequencies, forming an SNR curve. For each of the transmit frequencies, the transmitter identifies minimum SNR values among the SNR values on the SNR curves. The minimum SNR values form a composite minimum curve. Based on the composite minimum curve, the transmitter determines whether an SNR of a current transmit frequency is above (1) a first threshold associated with an operating SNR, or (2) a second threshold associated with a maximum of the composite minimum curve. Based on the determination, the transmitter determines whether a new transmit frequency is selected to replace the current transmit frequency.Type: GrantFiled: June 23, 2021Date of Patent: February 13, 2024Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Brent A. Kenney, Jeffrey B. Bench
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Publication number: 20230283444Abstract: Selecting a control channel set in a communication system involves monitoring received signals to identify a plurality of nodes of interest (NOI) and determining Eb/N0 values for a plurality of control channels. For this purpose, a data metric and spectral data can be provided to the communication device by the respective NOI for which Eb/N0 values are being determined. A comparison is made of the Eb/N0 values for all NOI to select an optimal control channel set. The optimal control channel set is then used by the communication device to transmit the control channel information to the plurality of NOI.Type: ApplicationFiled: March 4, 2022Publication date: September 7, 2023Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp
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Patent number: 11677425Abstract: Systems and methods for evaluating link performance over a multitude of frequencies for Signal-to-Noise Ratio (SNR) optimization and mitigating interference. The methods comprise: communicating, from a first communication device, a first signal over a given channel in a given frequency band; receiving, by the first communication device, spectral power measurements and a Signal-to-Total Power Ratio (STPR) estimate determined based on a second signal including the first signal combined with at least one of noise and one or more interference signals (the STPR estimate accounts for the receiver performance including chip rate processing gain and/or the performance of an interference cancellation circuit used to remove the interference signals from the second signal); and determining, by the first communication device, a predicted Signal-to-Noise Ratio (SNR) condition for a plurality of frequencies within the given frequency band using the STPR estimate and the spectral power measurements.Type: GrantFiled: October 13, 2021Date of Patent: June 13, 2023Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Radivoje Zarubica, Jeffrey B. Bench, Brent A. Kenney, Philip M. Hirz, Thomas R. Giallorenzi, Brian J. Thorp, James E. Hawker, Lee F. Carter, Marley D. Hamblin, Edwin R. Twitchell, Rhett B. McCarthy
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Publication number: 20230112645Abstract: Systems and methods for evaluating link performance over a multitude of frequencies for Signal-to-Noise Ratio (SNR) optimization and mitigating interference. The methods comprise: communicating, from a first communication device, a first signal over a given channel in a given frequency band; receiving, by the first communication device, spectral power measurements and a Signal-to-Total Power Ratio (STPR) estimate determined based on a second signal including the first signal combined with at least one of noise and one or more interference signals (the STPR estimate accounts for the receiver performance including chip rate processing gain and/or the performance of an interference cancellation circuit used to remove the interference signals from the second signal); and determining, by the first communication device, a predicted Signal-to-Noise Ratio (SNR) condition for a plurality of frequencies within the given frequency band using the STPR estimate and the spectral power measurements.Type: ApplicationFiled: October 13, 2021Publication date: April 13, 2023Inventors: Radivoje Zarubica, Jeffrey B. Bench, Brent A. Kenney, Philip M. Hirz, Thomas R. Giallorenzi, Brian J. Thorp, James E. Hawker, Lee F. Carter, Marley D. Hamblin, Edwin R. Twitchell, Rhett B. McCarthy
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Patent number: 11627052Abstract: A communications system may include mobile communications nodes operating according to a current topology and reconfigurable to a new topology. Each mobile communications node may include a wireless transceiver, and a controller configured to transmit spectral performance data to adjacent nodes and receive spectral performance data from the adjacent nodes. The controller may identify potential topologies for the adjacent nodes based on the spectral performance data, select a subset of potential topologies from among the potential topologies, generate a respective performance score for each potential topology of the subset of potential topologies, and switch to a new topology from among the subset of potential topologies based upon the performance scores.Type: GrantFiled: July 7, 2021Date of Patent: April 11, 2023Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Brent A. Kenney, Brian J. Thorp, Matthew J. Reimann, Jeffrey B. Bench
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Patent number: 11589318Abstract: Providing signal-to-noise ratio information to a local transmitter node. A method includes receiving data in a signal transmitted on a data channel from the local transmitter node. A first signal-to-total-power ratio for the signal assuming no jamming of the signal is occurring is computed. A second signal-to-total-power ratio for the signal with factors included assuming jamming is occurring is computed. The first signal-to-total-power ratio to the second signal-to-total-power ratio are compared to determine if they differ by a predetermined amount. The method includes determining that the predetermined amount is exceeded, and as a result, a jammed signal-to-noise ratio is computed assuming jamming is occurring. The jammed signal-to-noise ratio is sent to the local transmitter node to allow the local transmitter to respond to the jammed signal-to-noise ratio.Type: GrantFiled: July 28, 2021Date of Patent: February 21, 2023Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Jeffrey B. Bench, Brian J. Thorp, Rhett B. McCarthy, Scott A. Carey, Brent A. Kenney, Phillip Hunt
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Publication number: 20230036524Abstract: Providing signal-to-noise ratio information to a local transmitter node. A method includes receiving data in a signal transmitted on a data channel from the local transmitter node. A first signal-to-total-power ratio for the signal assuming no jamming of the signal is occurring is computed. A second signal-to-total-power ratio for the signal with factors included assuming jamming is occurring is computed. The first signal-to-total-power ratio to the second signal-to-total-power ratio are compared to determine if they differ by a predetermined amount. The method includes determining that the predetermined amount is exceeded, and as a result, a jammed signal-to-noise ratio is computed assuming jamming is occurring. The jammed signal-to-noise ratio is sent to the local transmitter node to allow the local transmitter to respond to the jammed signal-to-noise ratio.Type: ApplicationFiled: July 28, 2021Publication date: February 2, 2023Inventors: Jeffrey B. Bench, Brian J. Thorp, Rhett B. McCarthy, Scott A. Carey, Brent A. Kenney, Phillip Hunt
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Patent number: 11564286Abstract: Joining subnets in mobile ad-hoc network (MANET) environment. A method includes, based on SNR, power and data rate information between a first gateway node for a first subnet and a second gateway node for a second subnet, determining a rate at which the first and the second subnets can connect if nodes in the first subnet reduce signal transmit rate to a predetermined level. The method further includes as a result of determining that the determined rate meets or exceeds a predetermined threshold, then joining the first and second subnets by joining the first and second subnets via the first and second gateway nodes and causing nodes in the first subnet to reduce signal transmit rate to the predetermined level.Type: GrantFiled: April 30, 2021Date of Patent: January 24, 2023Assignee: L3HARRIS TECHNOLOGIES, INC.Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp, Matthew J. Reimann, Patrick L. Newbold
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Publication number: 20220417934Abstract: A transmitter in a frequency domain duplexing (FDD) network system is configured to receive spectral information from neighbor receiver nodes. For each of the neighbor receiver nodes, the transmitter computes an SNR at each of the plurality of frequencies, forming an SNR curve. For each of the transmit frequencies, the transmitter identifies minimum SNR values among the SNR values on the SNR curves. The minimum SNR values form a composite minimum curve. Based on the composite minimum curve, the transmitter determines whether an SNR of a current transmit frequency is above (1) a first threshold associated with an operating SNR, or (2) a second threshold associated with a maximum of the composite minimum curve. Based on the determination, the transmitter determines whether a new transmit frequency is selected to replace the current transmit frequency.Type: ApplicationFiled: June 23, 2021Publication date: December 29, 2022Inventors: Brent A. Kenney, Jeffrey B. Bench
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Publication number: 20220361289Abstract: Joining subnets in mobile ad-hoc network (MANET) environment. A method includes, based on SNR, power and data rate information between a first gateway node for a first subnet and a second gateway node for a second subnet, determining a rate at which the first and the second subnets can connect if nodes in the first subnet reduce signal transmit rate to a predetermined level. The method further includes as a result of determining that the determined rate meets or exceeds a predetermined threshold, then joining the first and second subnets by joining the first and second subnets via the first and second gateway nodes and causing nodes in the first subnet to reduce signal transmit rate to the predetermined level.Type: ApplicationFiled: April 30, 2021Publication date: November 10, 2022Inventors: Brent A. Kenney, Jeffrey B. Bench, Brian J. Thorp, Matthew J. Reimann, Patrick L. Newbold
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Patent number: 10996328Abstract: A mainlobe detection process can include a number of tests that are performed to define when the monopulse antenna system will transition from open loop scanning to closed loop scanning and then to tracking. A hybrid tracking technique is also provided which adaptively discovers and corrects for phase alignment error. Magnitude-only tracking can be performed initially to locate the nulls in the azimuth and elevation ratios and to identify the magnitudes of these ratios at these nulls. Phase tracking can be then performed. During phase tracking, phase corrections can be repeatedly applied to the azimuth and elevation difference channels to correct any phase error that may exist. During this process, the magnitudes of the ratios can be used to determine how the phase corrections should be adjusted. Once the hybrid tracking process is complete, the monopulse antenna system is properly phase-aligned and phase tracking will be correctly employed.Type: GrantFiled: January 22, 2020Date of Patent: May 4, 2021Assignee: L-3 Communications Corp.Inventors: Sy Prestwich, Jeffrey B. Bench, Richard A. McNamee
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Publication number: 20200166629Abstract: A mainlobe detection process can include a number of tests that are performed to define when the monopulse antenna system will transition from open loop scanning to closed loop scanning and then to tracking. A hybrid tracking technique is also provided which adaptively discovers and corrects for phase alignment error. Magnitude-only tracking can be performed initially to locate the nulls in the azimuth and elevation ratios and to identify the magnitudes of these ratios at these nulls. Phase tracking can be then performed. During phase tracking, phase corrections can be repeatedly applied to the azimuth and elevation difference channels to correct any phase error that may exist. During this process, the magnitudes of the ratios can be used to determine how the phase corrections should be adjusted. Once the hybrid tracking process is complete, the monopulse antenna system is properly phase-aligned and phase tracking will be correctly employed.Type: ApplicationFiled: January 22, 2020Publication date: May 28, 2020Inventors: Sy Prestwich, Jeffrey B. Bench, Richard A. McNamee
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Patent number: 10591591Abstract: A mainlobe detection process can include a number of tests that are performed to define when the monopulse antenna system will transition from open loop scanning to closed loop scanning and then to tracking. A hybrid tracking technique is also provided which adaptively discovers and corrects for phase alignment error. Magnitude-only tracking can be performed initially to locate the nulls in the azimuth and elevation ratios and to identify the magnitudes of these ratios at these nulls. Phase tracking can be then performed. During phase tracking, phase corrections can be repeatedly applied to the azimuth and elevation difference channels to correct any phase error that may exist. During this process, the magnitudes of the ratios can be used to determine how the phase corrections should be adjusted. Once the hybrid tracking process is complete, the monopulse antenna system is properly phase-aligned and phase tracking will be correctly employed.Type: GrantFiled: January 31, 2017Date of Patent: March 17, 2020Assignee: L-3 Communications Corp.Inventors: Sy Prestwich, Jeffrey B Bench, Richard A McNamee
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Patent number: 10495730Abstract: A monopulse antenna system can include a monopulse detector assembly (MDA) that is configured to steer a monopulse antenna based on the magnitude of an elevation ratio or azimuth ratio independently of the phase of the ratio. To prevent the direction of the monopulse antenna from being changed too frequently, the MDA can employ ratio bins to determine when the direction of the monopulse antenna should be reversed. Also, the MDA may enforce a hold period during which a change in the direction of the monopulse antenna will not be performed. The MDA can employ one or more mapping equations to generate a steering signal as a function of the magnitude of the ratio. The mapping equations can be selectively employed based on whether tracking is being performed at or near the ratio null.Type: GrantFiled: April 13, 2017Date of Patent: December 3, 2019Assignee: L-3 Communications Corp.Inventors: Jeffrey B Bench, Sy Prestwich
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Patent number: 10481253Abstract: A monopulse tracker includes multiple dual-axis monopulse antenna systems that are angled with respect to one another. The orientations of the monopulse antenna systems create a much larger field of view for the monopulse tracker to eliminate the need to steer the monopulse tracker. The monopulse tracker can be configured to estimate a position of an object based on tracking information received from more than one monopulse antenna system therefore increasing the accuracy of the estimated position. The multiple monopulse antenna systems can be arranged in a low-profile housing to facilitate use of the monopulse tracker on aircraft.Type: GrantFiled: November 2, 2016Date of Patent: November 19, 2019Assignee: L-3 Communications Corp.Inventors: Michael C Hollenbeck, Sy Prestwich, Jeffrey B Bench
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Patent number: 10324176Abstract: A mainlobe detection process can include a number of tests that are performed to define when the monopulse antenna system will transition from open loop scanning to closed loop scanning and then to tracking. A hybrid tracking technique is also provided which adaptively discovers and corrects for phase alignment error. Magnitude-only tracking can be performed initially to locate the nulls in the azimuth and elevation ratios and to identify the magnitudes of these ratios at these nulls. Phase tracking can be then performed. During phase tracking, phase corrections can be repeatedly applied to the azimuth and elevation difference channels to correct any phase error that may exist. During this process, the magnitudes of the ratios can be used to determine how the phase corrections should be adjusted. Once the hybrid tracking process is complete, the monopulse antenna system is properly phase-aligned and phase tracking will be correctly employed.Type: GrantFiled: January 31, 2017Date of Patent: June 18, 2019Assignee: L-3 COMMUNICATIONS CORP.Inventors: Jeffrey B Bench, Sy Prestwich, Michael B Hollenbeck
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Patent number: 9746545Abstract: Systems and method for detecting and removing an arbitrary phase difference between a sum channel signal and a difference channel signal in a monopulse system. A sum channel signal is received from a sum channel signal source and a difference channel signal is received from a difference channel signal source. The difference channel signal is shifted according to various potential arbitrary phase differences ?i and ?i+? (where ?i is from 0 to ? radians, i=0, 1, . . . , n; ?i+? going from ? to 2? radians) between the sum and difference channel signals to thereby generate difference channel signals each having a different phase. The difference channels having a different phase are combined with the sum channel signal to generate a plurality of sum+difference signals and sum?difference signals. Based on the plurality of sum+difference signals and sum?difference signals, maximum in-phase and out-of-phase correlations are determined from the ?i and ?i+? pairs.Type: GrantFiled: December 16, 2014Date of Patent: August 29, 2017Assignee: L3 Technologies, Inc.Inventors: Sy Prestwich, Jeffrey B Bench, Richard A McNamee, Scott M. Lyon