Patents by Inventor Dean Zavadsky
Dean Zavadsky 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: 10334572Abstract: A signal interface unit for interfacing uplink downstream signals from a downstream device with an upstream device includes at least one upstream interface configured to communicate a primary uplink upstream signal and at least one emulated-diversity uplink upstream signal to an upstream device; a downstream interface configured to receive an uplink downstream signal from a downstream device; wherein the signal interface unit is configured to convert the uplink downstream signal into the primary uplink upstream signal; wherein the signal interface unit is further configured to generate the at least one emulated-diversity uplink upstream signal from at least one of the primary uplink upstream signal and the uplink downstream signal.Type: GrantFiled: February 5, 2016Date of Patent: June 25, 2019Assignee: CommScope Technologies LLCInventors: Thomas G. Hebert, Jeffrey J. Cannon, Dean Zavadsky, Philip M. Wala, Jody Forland
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Patent number: 10333591Abstract: An antenna unit includes a first lower layer processor configured to receive a first lower layer signal from a device and to convert the first lower layer signal into first higher layer data units; a higher layer processor configured to convert the first higher layer data units into second higher layer data units; a second lower layer processor configured to generate a second lower layer signal from the second higher layer data units; and a radio frequency conversion module configured to convert the second lower layer signal into radio frequency signals for communication using an antenna; wherein communication between the device and the antenna unit using the first lower layer signal having the first higher layer data units has a lower data rate than would communication between the device and the antenna unit using the second lower layer signal having the second higher layer data units.Type: GrantFiled: July 9, 2018Date of Patent: June 25, 2019Assignee: CommScope Technologies LLCInventors: Lance K. Uyehara, Dean Zavadsky, Boris Golubovic
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Publication number: 20190182901Abstract: A signal interface unit for a distributed antenna system includes a channelized radio carrier interface configured to communicate an uplink channelized radio carrier for a radio frequency carrier to a channelized radio carrier base station interface; an antenna side interface configured to receive an uplink digitized radio frequency signal from the distributed antenna system communicatively coupled to the antenna side interface, wherein the uplink digitized radio frequency signal includes baseband data having bits; and a signal conversion module communicatively coupled between the channelized radio carrier interface and the antenna side interface and configured to convert between the uplink digitized radio frequency signal and the uplink channelized radio carrier at least in part by performing an adjustment of the bits included in the baseband data for the uplink digitized radio frequency signal received from the distributed antenna system to comply with requirements of the channelized radio carrier base statType: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Applicant: CommScope Technologies LLCInventors: Dean Zavadsky, Philip M. Wala
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Publication number: 20190081662Abstract: A distributed base station radio system includes a first radio head configured to: communicate first analog radio frequency signals in a first radio frequency band with a first subscriber unit; convert between the first analog radio frequency signals in the first radio frequency band and a first digital broadband signal through at least one of frequency conversion and analog to digital conversion; a first broadband to channelized conversion unit communicatively coupled to the first radio head and configured to communicate the first digital broadband signal with the first broadband to channelized conversion unit; wherein the first broadband to channelized conversion unit is further configured to: communicate the first digital broadband signal; convert between the first digital broadband signal and first digital channelized data for the first radio frequency band; and communicate the first digital channelized data for the first radio frequency band with a first channelized radio frequency interface.Type: ApplicationFiled: November 12, 2018Publication date: March 14, 2019Applicant: CommScope Technologies LLCInventors: Larry G. Fischer, Philip M. Wala, Dean Zavadsky, Lance K. Uyehara, Jody Forland
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Patent number: 10212760Abstract: A signal interface unit for a distributed antenna system (DAS) includes a channelized radio carrier interface configured to receive a downlink channelized radio carrier for a radio frequency carrier from a channelized radio carrier base station interface; an antenna side interface configured to communicate a downlink digitized radio frequency signal from the antenna side interface to the DAS communicatively coupled to the antenna side interface; and a signal conversion module communicatively coupled between the channelized radio carrier interface and the antenna side interface and configured to convert between the downlink channelized radio carrier and the downlink digitized radio frequency signal at least in part by adjusting at least one downlink attribute of the downlink digitized radio frequency signal communicated to the DAS based on requirements of the channelized radio carrier base station interface to cause the DAS to appear as a remote radio head to the channelized radio carrier interface.Type: GrantFiled: July 10, 2017Date of Patent: February 19, 2019Assignee: CommScope Technologies LLCInventors: Dean Zavadsky, Philip M. Wala
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Patent number: 10205584Abstract: A distributed antenna system (DAS) includes: signal interface units to receive downlink asynchronous radio carrier signals for radio frequency carriers from external device(s), each having a different clock, the signal interface units configured to: re-clock the downlink asynchronous radio carrier signals to a master clock of the DAS and convert the downlink asynchronous radio carrier signals to downlink digital signals; a host unit communicatively coupled to signal interface units and configured to combine at least two downlink digital signals into an aggregate downlink digital signal; an antenna unit coupled to the host unit and configured to: receive the aggregate downlink digital signal from the host unit, convert the aggregate downlink digital signal(s) and/or another signal based on the aggregate downlink digital signal into downlink radio frequency signals, and wirelessly transmit downlink radio frequency signals to a subscriber unit.Type: GrantFiled: October 6, 2017Date of Patent: February 12, 2019Assignee: CommScope Technologies LLCInventors: Dean Zavadsky, Philip M. Wala
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Publication number: 20190020093Abstract: A stripline radial power combiner is provided. The stripline radial combiner comprises a first stripline level comprising N radial combiner arms coupled to a first common node; a second stripline level comprising a common port coupled to a second common node; wherein the first stripline level is mounted over the second stripline level; and wherein the first common node and the second common node are coupled by a conductive via through the first stripline level and the second stripline level.Type: ApplicationFiled: June 18, 2018Publication date: January 17, 2019Applicant: CommScope Technologies LLCInventors: Dean Zavadsky, Gilberto Guerra, Michael Nelson, Brogan McWilliams
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Patent number: 10128918Abstract: A distributed base station radio system includes first channelized to broadband conversion unit that receives first downlink channelized data for first radio frequency band from first channelized radio frequency source; and first universal remote radio head communicatively coupled to first channelized to broadband conversion unit. First channelized to broadband conversion unit converts first downlink channelized data into a first downlink broadband signal. First channelized to broadband conversion unit communicates the first downlink broadband signal to first universal remote radio head. First universal remote radio head receives first downlink broadband signal. First universal remote radio head frequency converts the first downlink broadband signal into first downlink radio frequency signals in first radio frequency band. First universal remote radio head is further configured to transmit first downlink radio frequency signals in first radio frequency band to first subscriber unit.Type: GrantFiled: November 21, 2016Date of Patent: November 13, 2018Assignee: CommScope Technologies LLCInventors: Larry G. Fischer, Philip M. Wala, Dean Zavadsky, Lance K. Uyehara, Jody Forland
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Publication number: 20180323832Abstract: An antenna unit includes a first lower layer processor configured to receive a first lower layer signal from a device and to convert the first lower layer signal into first higher layer data units; a higher layer processor configured to convert the first higher layer data units into second higher layer data units; a second lower layer processor configured to generate a second lower layer signal from the second higher layer data units; and a radio frequency conversion module configured to convert the second lower layer signal into radio frequency signals for communication using an antenna; wherein communication between the device and the antenna unit using the first lower layer signal having the first higher layer data units has a lower data rate than would communication between the device and the antenna unit using the second lower layer signal having the second higher layer data units.Type: ApplicationFiled: July 9, 2018Publication date: November 8, 2018Applicant: CommScope Technologies LLCInventors: Lance K. Uyehara, Dean Zavadsky, Boris Golubovic
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Publication number: 20180323831Abstract: A distributed antenna system (DAS) includes: a base station network interface; and a remote antenna unit communicatively coupled to the first base station interface, the remote antenna unit including an antenna. The remote antenna unit configured to: receive a radio frequency band signal from a subscriber unit; convert the radio frequency band signal into a data stream; and communicate the data stream with the first base station network interface. The first base station network interface is configured to: convert the data stream or a signal derived from the data stream into a communication signal, wherein a mater reference clock is distributed between various components of the DAS to keep the various components of the DAS locked to a single clock; and communicate the communication signal and the master reference clock to an external device, the external device configured to lock its clock to the master reference clock.Type: ApplicationFiled: July 9, 2018Publication date: November 8, 2018Applicant: CommScope Technologies LLCInventors: Philip M. Wala, Dean Zavadsky, Jody Forland, Jeffrey J. Cannon, John M. Hedin
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Publication number: 20180302117Abstract: A modular wireless communications platform is provided. The modular wireless communications platform has a modular host unit and a modular remote unit in communication with the modular host unit. The modular host unit and remote unit include a serial radio frequency communicator configured to convert serial digital data into RF sampled data and configured to convert RF sampled data into serial digital data. The modular host unit and remote unit also include an interface coupled to the serial radio frequency communicator and configured to allow transfer of the RF sampled data from the serial radio frequency communicator to a digital to analog radio frequency transceiver module.Type: ApplicationFiled: April 9, 2018Publication date: October 18, 2018Applicant: CommScope Technologies LLCInventors: Philip M. Wala, Robert J. Koziy, Dean Zavadsky
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Publication number: 20180287724Abstract: A waveform generator includes circuitry configured to: generate a digital representation of a pulse and apply the digital representation of the pulse to a digital interface of a radio system configured to propagate the pulse and convert the digital representation of the pulse to a radio frequency signal transmitted at the antenna; and mark the digital representation of the pulse with respect to a frame of digital data with a marker. Measurement of when the pulse occurs in the radio frequency signal based on the marker occurs by a spectrum analyzer. Determination occurs of a downlink propagation delay for the radio system between application of the digital representation of the pulse at the digital interface and transmission of the radio frequency signal at the antenna.Type: ApplicationFiled: June 4, 2018Publication date: October 4, 2018Applicant: CommScope Technologies LLCInventors: Dean Zavadsky, Thomas G. Hebert
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Publication number: 20180254804Abstract: A distributed antenna system (DAS) includes host that receives downstream signals corresponding to radio frequency (RF) channel and remote antenna units (RAUs) communicatively coupled to host. Host communicates downstream transport signal derived from downstream signals received at host to RAUs. Each RAU uses downstream transport signal to generate downstream RF signal for radiation from antenna associated with RAU. Downstream RF signal comprises a subset of plurality of downstream frequency bands. Each RAU receives upstream RF signal including respective RF channel. Each RAU communicates upstream transport signal derived from upstream RF signal to host. Host uses upstream transport signal to generate upstream signal including at least one upstream frequency band. Host analyzes attribute of downstream and upstream transport signals associated with RAUs, correlates analyzed attribute for each RAU with profile, and determines current capacity usage of RAUs based on correlation.Type: ApplicationFiled: May 7, 2018Publication date: September 6, 2018Applicant: CommScope Technologies LLCInventors: Dean Zavadsky, Larry G. Fischer
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Patent number: 10020851Abstract: An antenna unit includes a first physical layer processor configured to receive a first downlink physical layer signal from an upstream device and to convert first downlink physical layer signal into first downlink higher layer data units; a higher layer processor configured to convert first downlink higher layer data units into second downlink higher layer data units; a second physical layer processor configured to generate a second downlink physical layer signal from second downlink higher layer data units; and a radio frequency conversion module configured to convert second downlink physical layer signal into radio frequency signals for communication using an antenna. Communication between upstream device and antenna unit using first downlink physical layer signal having first downlink higher layer data units has a lower data rate than would communication between upstream device and antenna unit using second downlink physical layer signal having second downlink higher layer data units.Type: GrantFiled: June 19, 2017Date of Patent: July 10, 2018Assignee: CommScope Technologies LLCInventors: Lance K. Uyehara, Dean Zavadsky, Boris Golubovic
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Patent number: 10020850Abstract: A distributed antenna system (DAS) includes: first base station network interface unit that receives first downlink signals from first external device and converts them into first downlink data stream; second base station network interface unit that receives second downlink signals from second external device and them into second downlink data stream; first remote antenna unit communicatively coupled to first base station network interface unit that receives at least one of first downlink data stream and first downlink signal derived from first downlink data stream. First remote antenna unit has first radio frequency converter configured to convert at least one of first downlink data stream and first downlink signal derived from first downlink data stream into first radio frequency band signal and first radio frequency antenna that transmits first radio frequency band signal to first subscriber unit. DAS is configured to transmit a master reference clock to the first external device.Type: GrantFiled: February 21, 2014Date of Patent: July 10, 2018Assignee: CommScope Technologies LLCInventors: Philip M. Wala, Dean Zavadsky, Jody Forland, Jeffrey J. Cannon, John M. Hedin
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Patent number: 9991978Abstract: A method for measuring downlink delay in a radio system includes applying a digital representation of a Gaussian pulse to a digital interface of the radio system; marking the digital representation of the Gaussian pulse with respect to a frame of digital data with a marker; propagating the Gaussian pulse in the radio system to an antenna, the radio system configured to convert the digital representation of the Gaussian pulse to a radio frequency signal transmitted at the antenna; measuring when the Gaussian pulse occurs in the radio frequency signal based on the marker; and determining a downlink propagation delay for the radio system between application of the digital representation of the Gaussian pulse at the digital interface and transmission of the radio frequency signal at the antenna.Type: GrantFiled: September 19, 2016Date of Patent: June 5, 2018Assignee: CommScope Technologies LLCInventors: Dean Zavadsky, Thomas G. Hebert
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Patent number: 9967003Abstract: A distributed antenna system (DAS) includes host that receives downstream signals corresponding to radio frequency (RF) channel and remote antenna units (RAUs) communicatively coupled to host. Host communicates downstream transport signal derived from downstream signals received at host to RAUs. Each RAU uses downstream transport signal to generate downstream RF signal for radiation from antenna associated with RAU. Downstream RF signal comprises a subset of plurality of downstream frequency bands. Each RAU receives upstream RF signal including respective RF channel. Each RAU communicates upstream transport signal derived from upstream RF signal to host. Host uses upstream transport signal to generate upstream signal including at least one upstream frequency band. Host analyzes attribute of downstream and upstream transport signals associated with RAUs, correlates analyzed attribute for each RAU with profile, and determines current capacity usage of RAUs based on correlation.Type: GrantFiled: November 6, 2014Date of Patent: May 8, 2018Assignee: CommScope Technologies LLCInventors: Dean Zavadsky, Larry G. Fischer
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Patent number: 9954584Abstract: A distributed antenna system includes a host unit configured to receive downlink wireless network information from a radio access network interface and at least one antenna unit communicatively coupled to the host unit by at least one digital communication link. Host unit is configured to convert downlink wireless network information received from radio access network interface from first protocol layer to second protocol layer. Second protocol layer uses relevant bits more efficiently than first protocol layer. Host unit is configured to communicate downlink wireless network information to at least one antenna unit across at least one digital communication link. At least one antenna unit is configured to convert downlink wireless network information communicated from host unit from second protocol layer to downlink radio frequency signals. At least one antenna unit is configured to communicate downlink radio frequency signals wirelessly using at least one antenna.Type: GrantFiled: March 13, 2017Date of Patent: April 24, 2018Assignee: CommScope Technologies LLCInventors: Lance K. Uyehara, Dean Zavadsky, Boris Golubovic
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Patent number: RE47252Abstract: A communication system includes master host unit, hybrid expansion unit, and remote antenna unit. Master host unit communicates analog signals with service provider interfaces. Master host unit and hybrid expansion unit communicate N-bit words of digitized spectrum over communication link. Hybrid expansion unit converts between N-bit words and analog spectrum. Hybrid expansion unit and remote antenna unit communicate analog spectrum over analog communication medium. Remote antenna unit transmits and receives wireless signals over air interfaces. Master host unit includes master clock distribution unit that generates digital master reference clock signal. Master host unit communicates digital master reference clock signal over communication link. Hybrid expansion unit receives digital master reference clock signal from master host unit over communication link and generates analog reference clock signal based on digital master reference clock signal.Type: GrantFiled: September 16, 2016Date of Patent: February 19, 2019Assignee: CommScope Technologies LLCInventors: Lance K. Uyehara, Larry G. Fischer, David Hart, Dean Zavadsky
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Patent number: RE47393Abstract: A communication system includes master host unit, hybrid expansion unit, and remote antenna unit. Master host unit communicates analog signals with service provider interfaces. Master host unit and hybrid expansion unit communicate N-bit words of digitized spectrum over communication link. Hybrid expansion unit converts between N-bit words and analog spectrum. Hybrid expansion unit and remote antenna unit communicate analog spectrum over analog communication medium. Remote antenna unit transmits and receives wireless signals over air interfaces. Master host unit includes master clock distribution unit that generates digital master reference clock signal. Master host unit communicates digital master reference clock signal over communication link. Hybrid expansion unit receives digital master reference clock signal from master host unit over communication link and generates analog reference clock signal based on digital master reference clock signal.Type: GrantFiled: September 16, 2016Date of Patent: May 14, 2019Assignee: CommScope Technologies LLCInventors: Lance K. Uyehara, Larry G. Fischer, David Hart, Dean Zavadsky