Patents by Inventor Gregory A. Maca
Gregory A. Maca 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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Patent number: 9780447Abstract: Antenna system having an antenna array with multiple sub-arrays, each having one or more antenna elements, is calibrated using a distributed calibration antenna element, such as a leaky coaxial cable, that spans across at least two and possibly all of the sub-arrays. To calibrate the transmit (TX) paths of the sub-arrays, TX calibration test signals are transmitted by the sub-arrays, captured by the distributed calibration element, and processed by a corresponding calibration radio. To calibrate the receive (RX) paths of the sub-arrays, an RX calibration test signal is generated by the calibration radio, transmitted by the distributed calibration element, captured by the sub-arrays, and processed by their corresponding radios. Cross-correlation between the calibration and captured signals is performed to derive the complex gain of each sub-array transmitter and receiver, which provides information for aligning the gain, phase, and delay of the different TX and RX paths of the antenna array.Type: GrantFiled: January 22, 2013Date of Patent: October 3, 2017Assignee: CommScope Technologies LLCInventors: Gregory A. Maca, Jonathon C. Veihl
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Patent number: 8971796Abstract: A signal repeating element for repeating a signal includes a housing, at least one transmit antenna element positioned on one side of the housing and at least one receive antenna element positioned on the same one side of the housing. Receiver and transmitter circuitry is coupled with respective ones of the receive and transmit antenna elements. Phase circuitry for affecting the phase of signals from the at least one receive antenna element and at least one transmit antenna element is coupled between the respective receive or transmit antenna element and the receiver or transmitter circuitry.Type: GrantFiled: January 13, 2014Date of Patent: March 3, 2015Assignee: Andrew LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Publication number: 20140354507Abstract: Antenna system having an antenna array with multiple sub-arrays, each having one or more antenna elements, is calibrated using a distributed calibration antenna element, such as a leaky coaxial cable, that spans across at least two and possibly all of the sub-arrays. To calibrate the transmit (TX) paths of the sub-arrays, TX calibration test signals are transmitted by the sub-arrays, captured by the distributed calibration element, and processed by a corresponding calibration radio. To calibrate the receive (RX) paths of the sub-arrays, an RX calibration test signal is generated by the calibration radio, transmitted by the distributed calibration element, captured by the sub-arrays, and processed by their corresponding radios. Cross-correlation between the calibration and captured signals is performed to derive the complex gain of each sub-array transmitter and receiver, which provides information for aligning the gain, phase, and delay of the different TX and RX paths of the antenna array.Type: ApplicationFiled: January 22, 2013Publication date: December 4, 2014Inventors: Gregory A. Maca, Jonathon C. Veihl
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Publication number: 20140127989Abstract: A signal repeating element for repeating a signal includes a housing, at least one transmit antenna element positioned on one side of the housing and at least one receive antenna element positioned on the same one side of the housing. Receiver and transmitter circuitry is coupled with respective ones of the receive and transmit antenna elements. Phase circuitry for affecting the phase of signals from the at least one receive antenna element and at least one transmit antenna element is coupled between the respective receive or transmit antenna element and the receiver or transmitter circuitry.Type: ApplicationFiled: January 13, 2014Publication date: May 8, 2014Applicant: ANDREW LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 8630581Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: GrantFiled: January 18, 2013Date of Patent: January 14, 2014Assignee: Andrew LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathan C. Veihl
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Patent number: 8358970Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: GrantFiled: August 29, 2011Date of Patent: January 22, 2013Assignee: Andrew CorporationInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Publication number: 20110312269Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: ApplicationFiled: August 29, 2011Publication date: December 22, 2011Inventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 8010042Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: GrantFiled: August 10, 2009Date of Patent: August 30, 2011Assignee: Andrew LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Publication number: 20100029197Abstract: A repeater and associated method of use includes at least one antenna element for communicating in one direction and at least one antenna element for communicating in another direction. A radio frequency uplink path and a radio frequency downlink path are coupled between the antennas. At least one of the radio frequency uplink path or the radio frequency downlink path includes an adaptive cancellation circuit. The adaptive cancellation circuit is configured to generate a cancellation signal without requiring an injected signal. The cancellation signal, when added to a radio frequency signal in the respective uplink and downlink paths, substantially reduces feedback signals present in the radio frequency signal.Type: ApplicationFiled: August 10, 2009Publication date: February 4, 2010Applicant: ANDREW LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 7623868Abstract: A multi-band wireless access point includes a first antenna system including at least one antenna and having a first effective range for communicating with subscribers using a first communications protocol and a second antenna system including a plurality of antennas generally co-located with the first antenna system and having a second effective range for communicating with subscribers using a second communications protocol whereby the first and the second effective ranges are effectively coextensive. Moreover, each of the plurality of antennas in the second antenna system has a greater directivity than the at least one antenna in the first antenna system to compensate for a difference in propagation of the second communications protocol relative to the first communications protocol.Type: GrantFiled: September 16, 2002Date of Patent: November 24, 2009Assignee: Andrew LLCInventors: Mano D. Judd, Andria Van Der Merwe, Gregory A. Maca
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Patent number: 7577398Abstract: A flat-panel repeater includes a housing having a pair of oppositely facing surfaces, at least one antenna element mounted to each of the surfaces for radiating energy in a direction opposite to that of an antenna element mounted to the other of the surfaces, and an electronic circuit mounted within the housing and operatively coupling signals between at least one antenna element on each of the oppositely facing surfaces of the module. Isolation between the antennas on opposite sides of the repeater is improved by various techniques, such as use of adaptive cancellation which removes a significant portion of the feedback signal power, therefore increasing the total system isolation by the same amount. This additional isolation can be used to achieve greater system gain, and therefore significantly extend the range of the system.Type: GrantFiled: January 16, 2001Date of Patent: August 18, 2009Assignee: Andrew LLCInventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 7263293Abstract: A wireless voice and data system for improving coverage in an enclosed area includes a hub device for transceiving RF signals with a signal source positioned generally removed from an enclosed area. The hub device includes voice hardware for processing voice signals, data hardware for processing data signals, and combining hardware for combining and separating voice signals and data signals in the hub device. A remote access point device for transceiving signals with customer equipment includes voice hardware for processing voice signals, data hardware for processing data signals, and combining hardware for combining and separating voice signals and data signals in the remote access point. An optical fiber system is coupled between the hub device and the remote access point device and is operable for modulating and demodulating the combined voice and data signals for communicating between the hub device and remote access point device.Type: GrantFiled: June 10, 2002Date of Patent: August 28, 2007Assignee: Andrew CorporationInventors: Kevin Ommodt, Matthew Melester, Gregory A. Maca, Donald Stone
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Publication number: 20060105705Abstract: A consumer repeater for use in a structure comprises a donor unit with a communication antenna, the donor unit configured for communicating with a remote location within a communication band. A broadcast unit with a communication antenna is configured for communicating with a device that is located in or proximate to the structure also within the communication band. A wireless link is coupled between the donor unit and the broadcast unit and is operable for communicating therebetween, the wireless link operating in an FM format.Type: ApplicationFiled: November 16, 2004Publication date: May 18, 2006Inventors: Gregory Maca, Joseph Lipowski
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Patent number: 7043270Abstract: A system for sharing a cellular tower among multiple service providers comprises an antenna having an array of elements operable to define multiple, individual beams for signals in a communication frequency band and converter circuitry to convert the communication frequency band to a digital band. Filtering and signal processing circuitry define digital band portions for each of the at least two service providers, and drive the antenna to define at least one individual beam for each individual service provider.Type: GrantFiled: August 13, 2001Date of Patent: May 9, 2006Assignee: Andrew CorporationInventors: Mano D. Judd, Gregory A. Maca, Joel C. Roper
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Patent number: 6959191Abstract: A system for determining the location of a device in a wireless communication network includes at least one antenna for transmitting signals in a wireless communication network. A monitoring unit, located proximate to the at least one antenna, is operable for receiving, as a first input, signals transmitted by the antenna and signals from a device in the network and for receiving, as a second input, signals to be transmitted by the antenna. The monitoring unit includes at least one cancellation stage for modifying the second input and combining the modified second input with the first input to reduce the effect of the transmitted antenna signals on the monitoring unit first input.Type: GrantFiled: June 3, 2002Date of Patent: October 25, 2005Assignee: Andrew CorporationInventor: Gregory A. Maca
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Publication number: 20040203858Abstract: A system for determining the location of a device in a wireless communication network includes at least one antenna for transmitting signals in a wireless communication network. A monitoring unit, located proximate to the at least one antenna, is operable for receiving, as a first input, signals transmitted by the antenna and signals from a device in the network and for receiving, as a second input, signals to be transmitted by the antenna. The monitoring unit includes at least one cancellation stage for modifying the second input and combining the modified second input with the first input to reduce the effect of the transmitted antenna signals on the monitoring unit first input.Type: ApplicationFiled: June 3, 2002Publication date: October 14, 2004Applicant: Andrew CorporationInventor: Gregory A. Maca
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Publication number: 20040203704Abstract: A wireless voice and data system for improving coverage in an enclosed area includes a hub device for transceiving RF signals with a signal source positioned generally removed from an enclosed area. The hub device includes voice hardware for processing voice signals, data hardware for processing data signals, and combining hardware for combining and separating voice signals and data signals in the hub device. A remote access point device for transceiving signals with customer equipment includes voice hardware for processing voice signals, data hardware for processing data signals, and combining hardware for combining and separating voice signals and data signals in the remote access point. An optical fiber system is coupled between the hub device and the remote access point device and is operable for modulating and demodulating the combined voice and data signals for communicating between the hub device and remote access point device.Type: ApplicationFiled: June 10, 2002Publication date: October 14, 2004Applicant: Andrew CorporationInventors: Kevin Ommodt, Matthew Melester, Gregory A. Maca, Donald Stone
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Publication number: 20040110469Abstract: A flat-panel repeater includes a housing having a pair of oppositely facing surfaces, at least one antenna element mounted to each of the surfaces for radiating energy in a direction opposite to that of an antenna element mounted to the other of the surfaces, and an electronic circuit mounted within the housing and operatively coupling signals between at least one antenna element on each of the oppositely facing surfaces of the module. Isolation between the antennas on opposite sides of the repeater is improved by various techniques, such as use of adaptive cancellation which removes a significant portion of the feedback signal power, therefore increasing the total system isolation by the same amount. This additional isolation can be used to achieve greater system gain, and therefore significantly extend the range of the system.Type: ApplicationFiled: September 10, 2003Publication date: June 10, 2004Inventors: Mano D. Judd, Breck W. Lovinggood, David T. Tennant, Gregory A. Maca, William P. Kuiper, James L. Alford, Michael D. Thomas, Jonathon C. Veihl
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Patent number: 6745003Abstract: A repeater system has at least one donor antenna element for communicating with a base station and at least one link antenna element for communicating with a remote station. A radio frequency uplink path and a radio frequency downlink path are coupled between the donor antenna and the null antenna. An adaptive cancellation circuit in each of the radio frequency uplink path and the radio frequency downlink path generates a cancellation signal, which when added to a radio frequency signal in either of the radio frequency uplink and radio frequency downlink paths, substantially cancels any feedback signal present in the radio frequency signal.Type: GrantFiled: January 14, 2000Date of Patent: June 1, 2004Assignee: Andrew CorporationInventors: Gregory A. Maca, Mano D. Judd
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Publication number: 20040052227Abstract: A multi-band wireless access point includes a first antenna system including at least one antenna and having a first effective range for communicating with subscribers using a first communications protocol and a second antenna system including a plurality of antennas generally co-located with the first antenna system and having a second effective range for communicating with subscribers using a second communications protocol whereby the first and the second effective ranges are effectively coextensive. Moreover, each of the plurality of antennas in the second antenna system has a greater directivity than the at least one antenna in the first antenna system to compensate for a difference in propagation of the second communications protocol relative to the first communications protocol.Type: ApplicationFiled: September 16, 2002Publication date: March 18, 2004Applicant: Andrew CorporationInventors: Mano D. Judd, Andria Van Der Merwe, Gregory A. Maca