Patents by Inventor Cris M. Mamaril
Cris M. Mamaril 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: 20160073359Abstract: A method of reducing adjacent satellite interference, the method comprising monitoring, by a processor, a power spectral density (PSD) of a signal transmitted by a remote transmitter, determining, by the processor, that the PSD of the signal transmitted by the remote transmitter is above a predetermined level, and reducing the PSD of the signal transmitted by the remote transmitter by adjusting at least one of a spread spectrum spreading factor, a power level, a modulation factor, and a forward error correction (FEC) rate using a modulator while maintaining a constant spectral allocation and center frequency of the signal.Type: ApplicationFiled: November 3, 2015Publication date: March 10, 2016Inventors: Cris M. Mamaril, Michael Beeler, Wallace Davis
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Patent number: 9178605Abstract: A method of reducing adjacent satellite interference, the method comprising monitoring, by a processor, a power spectral density (PSD) of a signal transmitted by a remote transmitter, determining, by the processor, that the PSD of the signal transmitted by the remote transmitter is above a predetermined level, and reducing the PSD of the signal transmitted by the remote transmitter by adjusting at least one of a spread spectrum spreading factor, a power level, a modulation factor, and a forward error correction (FEC) rate using a modulator while maintaining a constant spectral allocation and center frequency of the signal.Type: GrantFiled: February 28, 2012Date of Patent: November 3, 2015Assignee: Comtech EF Data Corp.Inventors: Cris M. Mamaril, Michael Beeler, Wallace Davis
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Patent number: 8964811Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal during the presence of the burst of electromagnetic energy.Type: GrantFiled: February 18, 2014Date of Patent: February 24, 2015Assignee: Comtech EF Data Corp.Inventors: Michael Beeler, Cris M. Mamaril, Jeffery Harig
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Publication number: 20140321512Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal during the presence of the burst of electromagnetic energy.Type: ApplicationFiled: February 18, 2014Publication date: October 30, 2014Applicant: Comtech EF Data Corp.Inventors: Michael Beeler, Cris M. Mamaril, Jeffery Harig
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Patent number: 8811460Abstract: A burst processing modem. Implementations may include a receive side including a channelizer adapted to process a plurality of channels and write a plurality of frames to a receive RAM array. A receive frame state machine may be adapted to generate a timing signal using a burst time plan for the plurality of frames. A demodulator may be coupled with the receive RAM array and adapted to read from the receive RAM array only the one or more bursts from the plurality of frames indicated by the timing signal. A transmit side may include a modulator coupled with a transmit frame state machine, with a transmit RAM array, and a combiner bank. The combiner bank may read the modulated plurality of channels from the transmit RAM array and assemble a plurality of frames using a timing signal generated from a burst time plan by the transmit frame state machine.Type: GrantFiled: January 31, 2012Date of Patent: August 19, 2014Assignee: Comtech EF Data Corp.Inventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Patent number: 8654814Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal during the presence of the burst of electromagnetic energy.Type: GrantFiled: March 9, 2011Date of Patent: February 18, 2014Assignee: Comtech EF Data Corp.Inventors: Michael Beeler, Cris M. Mamaril, Jeffery Harig
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Patent number: 8457191Abstract: An adaptive equalizer. Implementations of adaptive equalizers may include implementations of 8-QAM adaptive equalizers that may include a signal filter, an adaptive processor coupled to the signal filter and a slicer coupled to the signal filter and the adaptive processor. The slicer may be configured to utilize a plurality of desired signals corresponding to an 8-QAM signal constellation having four quadrants, four levels disposed along the I-axis, and three levels disposed along the Q-axis. The slicer may also be configured to output an error signal by receiving an equalized output signal, processing the equalized output signal by correlating the equalized output signal with a decision region within one of the four quadrants, selecting one of a plurality of desired signals corresponding to the decision region, and calculating the error signal using the desired signal and the equalized output signal.Type: GrantFiled: March 10, 2008Date of Patent: June 4, 2013Assignee: Comtech EF Data Corp.Inventors: Lazaro F. Cajegas, III, Cris M. Mamaril
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Patent number: 8374564Abstract: A burst demodulator and method of obtaining a signal of interest from many signals of interest within a composite signal. Implementations may include receiving a composite signal, centering a replica of the interfering signal relative to the composite signal, reducing the composite signal to the bandwidth of a desired signal of interest, and canceling the remaining portion of the interfering signal.Type: GrantFiled: August 2, 2011Date of Patent: February 12, 2013Assignee: Comtech EF Data Corp.Inventors: Richard M. Miller, Cris M. Mamaril
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Publication number: 20120213174Abstract: A method of controlling bandwidth allocation over a communications link comprising detecting, by a processor, a change in a power level of a composite signal transmitted by a transmitter, the composite signal comprising a plurality of carrier signals and having a constant center frequency and spectral allocation, adjusting at least one of a modulation factor and a forward error correction (FEC) rate of one or more of the plurality of carrier signals using a modulator, in response to the change in power level to maintain a predetermined data rate and spectral allocation of the composite signal, and maintaining, by the modulator, an uninterrupted communications link between the transmitter and a remote receiver while the at least one of the modulation factor and the FEC rate is adjusted.Type: ApplicationFiled: March 2, 2012Publication date: August 23, 2012Applicant: COMTECH EF DATA CORP.Inventors: Vasile Manea, Naresh Jain, Michael Beeler, Wallace Davis, Cris M. Mamaril, Frederick Morris, John Baddick
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Patent number: 8238362Abstract: A burst processing modem and related methods. Implementations of a first method of demodulating bursts from a plurality of channels may include receiving a plurality of channels from a received beam and separating the plurality of channels and storing a plurality of frames in a random access memory (RAM) array with a channelizer where each frame of the plurality of frames includes one or more bursts. The method may include serially reading, using a demodulator in response to receiving a timing signal, a desired burst from a frame stored in the RAM array wherein a burst time plan identifying the desired burst is used by a receive frame state machine to generate the timing signal. The method may include demodulating and decoding the desired burst using a demodulator and a decoder to produce a quantity of packet data, and sending the quantity of packet data to a specified destination.Type: GrantFiled: December 17, 2009Date of Patent: August 7, 2012Assignee: Comtech EF Data Corp.Inventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Publication number: 20120156986Abstract: A method of reducing adjacent satellite interference, the method comprising monitoring, by a processor, a power spectral density (PSD) of a signal transmitted by a remote transmitter, determining, by the processor, that the PSD of the signal transmitted by the remote transmitter is above a predetermined level, and reducing the PSD of the signal transmitted by the remote transmitter by adjusting at least one of a spread spectrum spreading factor, a power level, a modulation factor, and a forward error correction (FEC) rate using a modulator while maintaining a constant spectral allocation and center frequency of the signal.Type: ApplicationFiled: February 28, 2012Publication date: June 21, 2012Applicant: Comtech EF Data Corp.Inventors: Cris M. Mamaril, Michael Beeler, Wallace Davis
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Publication number: 20120128047Abstract: A burst processing modem. Implementations may include a receive side including a channelizer adapted to process a plurality of channels and write a plurality of frames to a receive RAM array. A receive frame state machine may be adapted to generate a timing signal using a burst time plan for the plurality of frames. A demodulator may be coupled with the receive RAM array and adapted to read from the receive RAM array only the one or more bursts from the plurality of frames indicated by the timing signal. A transmit side may include a modulator coupled with a transmit frame state machine, with a transmit RAM array, and a combiner bank. The combiner bank may read the modulated plurality of channels from the transmit RAM array and assemble a plurality of frames using a timing signal generated from a burst time plan by the transmit frame state machine.Type: ApplicationFiled: January 31, 2012Publication date: May 24, 2012Applicant: COMTECH EF DATA CORP.Inventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Publication number: 20120082185Abstract: A method for identifying the presence of an electronic transmission comprising detecting, by a detecting device, the presence of a burst of electromagnetic energy that results from the presence of an original carrier signal and transmitting, by a transmitting device, a spread spectrum meta-carrier signal within a portion of a bandwidth of the original carrier signal, wherein the meta-carrier signal contains information about the original carrier signal and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal during the presence of the burst of electromagnetic energy.Type: ApplicationFiled: March 9, 2011Publication date: April 5, 2012Applicant: COMTECH EF DATA CORP.Inventors: Michael Beeler, Cris M. Mamaril, Jeffery Harig
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Patent number: 8107515Abstract: A burst processing modem. Implementations may include a receive side including a channelizer adapted to process a plurality of channels and write a plurality of frames to a receive RAM array. A receive frame state machine may be adapted to generate a timing signal using a burst time plan for the plurality of frames. A demodulator may be coupled with the receive RAM array and adapted to read from the receive RAM array only the one or more bursts from the plurality of frames indicated by the timing signal. A transmit side may include a modulator coupled with a transmit frame state machine, with a transmit RAM array, and a combiner bank. The combiner bank may read the modulated plurality of channels from the transmit RAM array and assemble a plurality of frames using a timing signal generated from a burst time plan by the transmit frame state machine.Type: GrantFiled: December 17, 2009Date of Patent: January 31, 2012Assignee: Comtech EF Data CorporationInventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Publication number: 20110287730Abstract: A signal filtering system for a frequency reuse system. A first implementation may include a downlink baseband signal, coupled to a downlink bandwidth filter, including a composite received signal including at least an interfering signal and a signal of interest, each having a composite bandwidth, a first bandwidth, and a second bandwidth, respectively. An uplink baseband signal may be included, coupled to an uplink bandwidth filter, having a replica of the interfering signal corresponding with the interfering signal and having an interference bandwidth. A baseband processing module may be coupled with the downlink bandwidth filter and the uplink bandwidth filter and may be configured to cancel the interfering signal from the composite received signal using the replica of the interfering signal. The downlink bandwidth filter may be configured to reduce the composite bandwidth and the uplink bandwidth filter may be configured to reduce the interference bandwidth.Type: ApplicationFiled: August 2, 2011Publication date: November 24, 2011Inventors: Richard M. Miller, Cris M. Mamaril
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Patent number: 7991373Abstract: A signal filtering system for a frequency reuse system. A first implementation may include a downlink baseband signal, coupled to a downlink bandwidth filter, including a composite received signal including at least an interfering signal and a signal of interest, each having a composite bandwidth, a first bandwidth, and a second bandwidth, respectively. An uplink baseband signal may be included, coupled to an uplink bandwidth filter, having a replica of the interfering signal corresponding with the interfering signal and having an interference bandwidth. A baseband processing module may be coupled with the downlink bandwidth filter and the uplink bandwidth filter and may be configured to cancel the interfering signal from the composite received signal using the replica of the interfering signal. The downlink bandwidth filter may be configured to reduce the composite bandwidth and the uplink bandwidth filter may be configured to reduce the interference bandwidth.Type: GrantFiled: August 21, 2008Date of Patent: August 2, 2011Assignee: Comtech EF Data Corp.Inventors: Richard M. Miller, Cris M. Mamaril
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Publication number: 20100091825Abstract: A burst processing modem. Implementations may include a receive side including a channelizer adapted to process a plurality of channels and write a plurality of frames to a receive RAM array. A receive frame state machine may be adapted to generate a timing signal using a burst time plan for the plurality of frames. A demodulator may be coupled with the receive RAM array and adapted to read from the receive RAM array only the one or more bursts from the plurality of frames indicated by the timing signal. A transmit side may include a modulator coupled with a transmit frame state machine, with a transmit RAM array, and a combiner bank. The combiner bank may read the modulated plurality of channels from the transmit RAM array and assemble a plurality of frames using a timing signal generated from a burst time plan by the transmit frame state machine.Type: ApplicationFiled: December 17, 2009Publication date: April 15, 2010Applicant: COMTECH EF DATA CORP.Inventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Publication number: 20100091777Abstract: A burst processing modem and related methods. Implementations of a first method of demodulating bursts from a plurality of channels may include receiving a plurality of channels from a received beam and separating the plurality of channels and storing a plurality of frames in a random access memory (RAM) array with a channelizer where each frame of the plurality of frames includes one or more bursts. The method may include serially reading, using a demodulator in response to receiving a timing signal, a desired burst from a frame stored in the RAM array wherein a burst time plan identifying the desired burst is used by a receive frame state machine to generate the timing signal. The method may include demodulating and decoding the desired burst using a demodulator and a decoder to produce a quantity of packet data, and sending the quantity of packet data to a specified destination.Type: ApplicationFiled: December 17, 2009Publication date: April 15, 2010Applicant: COMTECH EF DATA CORP.Inventors: Richard Hollingsworth Cannon, John Scott Crockett, Cris M. Mamaril, Mark Dale
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Publication number: 20090285278Abstract: An adaptive equalizer. Implementations of adaptive equalizers may include implementations of 8-QAM adaptive equalizers that may include a signal filter, an adaptive processor coupled to the signal filter and a slicer coupled to the signal filter and the adaptive processor. The slicer may be configured to utilize a plurality of desired signals corresponding to an 8-QAM signal constellation having four quadrants, four levels disposed along the I-axis, and three levels disposed along the Q-axis. The slicer may also be configured to output an error signal by receiving an equalized output signal, processing the equalized output signal by correlating the equalized output signal with a decision region within one of the four quadrants, selecting one of a plurality of desired signals corresponding to the decision region, and calculating the error signal using the desired signal and the equalized output signal.Type: ApplicationFiled: March 10, 2008Publication date: November 19, 2009Inventors: Cris M. Mamaril, Lazaro F. Cajegas, III
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Publication number: 20090054026Abstract: A signal filtering system for a frequency reuse system. A first implementation may include a downlink baseband signal, coupled to a downlink bandwidth filter, including a composite received signal including at least an interfering signal and a signal of interest, each having a composite bandwidth, a first bandwidth, and a second bandwidth, respectively. An uplink baseband signal may be included, coupled to an uplink bandwidth filter, having a replica of the interfering signal corresponding with the interfering signal and having an interference bandwidth. A baseband processing module may be coupled with the downlink bandwidth filter and the uplink bandwidth filter and may be configured to cancel the interfering signal from the composite received signal using the replica of the interfering signal. The downlink bandwidth filter may be configured to reduce the composite bandwidth and the uplink bandwidth filter may be configured to reduce the interference bandwidth.Type: ApplicationFiled: August 21, 2008Publication date: February 26, 2009Inventors: Richard M. Miller, Cris M. Mamaril