Patents by Inventor David Zufall

David Zufall 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).

  • Patent number: 11956072
    Abstract: An aggregate cell of a cellular network includes a plurality of dispersed modular cells. The modular cells each include a cellular radio and collectively perform the function of a cellular base station. A distributed clock is established by transmitting timing beacons from one or more of the modular cells. Each modular cell receives the timing beacons. Each modular cell that transmits a timing beacon provides a transmission timestamp to a cell controller. Each modular cell that receives a timing beacon provides a reception timestamp to the cell controller. The cell controller schedules signal transmissions from the modular cells based on the transmission and reception timestamps.
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: April 9, 2024
    Assignee: DISH Wireless L.L.C.
    Inventors: David Zufall, Pareshkumar Panchal, William Ver Steeg
  • Publication number: 20240056239
    Abstract: Embodiments are directed towards systems and methods for a 5G PRB blanking system with 5G end user mobile devices to prevent interference with satellite signal transmission. One such method includes: configuring a 5G network to enable reversing an original direction of transmission upon request from a 5G end user mobile device; receiving a request to use a specified frequency at a specified time to communicate with the satellite; enabling the base station to stop download transmissions on specified frequency tones at the specified time; creating frequency notches at the specified time that are available for a 5G end user mobile device to upload to the satellite; and facilitating upload transmissions from a 5G end user mobile device to the satellite in the frequency notches at the specified time.
    Type: Application
    Filed: March 24, 2023
    Publication date: February 15, 2024
    Inventor: David Zufall
  • Publication number: 20240057144
    Abstract: Embodiments are directed towards systems and methods for a 5G PRB blanking system with 5G end user mobile devices to prevent interference between signal transmissions from different networks. One such method includes: configuring a 5G network to enable reversing an original direction of transmission upon request from a 5G end user mobile device, receiving a request to use a specified frequency at a specified time to communicate with the first network, enabling the second network to stop transmissions on specified frequency tones at the specified time, creating frequency notches at the specified time that are available for the 5G end user mobile device to transmit to the first network, and facilitating transmissions from the 5G end user mobile device to the first network in the frequency notches at the specified time.
    Type: Application
    Filed: March 24, 2023
    Publication date: February 15, 2024
    Inventor: David Zufall
  • Publication number: 20240056934
    Abstract: Embodiments are directed towards systems and methods for a system for predictive inter-carrier hand-off to mitigate problematic coverage areas. One such method includes: training a machine learning model using the consolidating user data regarding dropped calls of the end user mobile devices and network problems from data logs as training data; analyzing the user data, using the machine learning model, to determine geographical areas in which repetitive dropped calls of the end user mobile devices or network problems have been identified; predicting, as an output from the machine learning model, future dropped calls of the end user mobile devices and network problems in identified geographical areas; analyzing alternative available carriers or roaming partners to determine whether they have superior service for end user mobile devices in the identified geographical areas; and initiating inter-carrier hand-off of an end user mobile device to another carrier or roaming partner.
    Type: Application
    Filed: March 24, 2023
    Publication date: February 15, 2024
    Inventor: David Zufall
  • Publication number: 20240048961
    Abstract: Embodiments are directed towards systems and methods for reestablishing sequencing after connection loss between a Distributed Subscriber Database and a 5G Core.
    Type: Application
    Filed: November 30, 2022
    Publication date: February 8, 2024
    Inventor: David Zufall
  • Publication number: 20240048963
    Abstract: Embodiments are directed towards systems and methods for implementing a blockchain-based state database using a distributed ledger. One such method includes: recording states of one or more 5G end user mobile devices in any 5G network RAN or Core element in a state database using the distributed ledger of the blockchain; in response to a lost connection of a network element, restoring, using the blockchain database, the lost connection of the network element to the network without any interaction with the 5G end user mobile device; accessing the recorded states of the one or more 5G end user mobile devices in the state database on the distributed ledger of the blockchain; and reestablishing the recorded states of the one or more 5G end user mobile devices using the recorded states from the state database in the distributed ledger of the blockchain.
    Type: Application
    Filed: November 30, 2022
    Publication date: February 8, 2024
    Inventor: David Zufall
  • Publication number: 20230224716
    Abstract: A system and method for managing interference between different enterprises operating over the same spectrum. The system includes a central unit of a first enterprise associated with a first cell site; a central unit of a second enterprise associated with a second cell site; and an interface for connecting the central unit of the first enterprise to the central unit of the second enterprise and configured to transmit load information; wherein a central unit of either enterprise is configured to share load information without requiring a standard form between each enterprise via the interface to minimize interference between each enterprise when both enterprises are operating in the same spectrum and an overlapping coverage region between each cell site.
    Type: Application
    Filed: January 7, 2022
    Publication date: July 13, 2023
    Applicant: DISH Wireless L.L.C.
    Inventors: David Zufall, Mehdi Alasti, Siddhartha Chenumolu
  • Publication number: 20230224937
    Abstract: A system and method for managing interference between different enterprises operating over the same spectrum. The system includes central units of a host, a first enterprise and a second enterprise; a first interface for connecting the central unit of the host to the central unit of the first enterprise; and a second interface for connecting the central unit of the host to the second enterprise; wherein the central unit of the host is configured to: enable relaying of load information between the first and second enterprises to minimize interference between each enterprise when the first and second enterprises are operating in the same spectrum and an overlapping coverage region between cell sites; and arbitrate transmission requests from a respective enterprise based on information from service level agreements (SLAs) shared between the central unit at the host and the respective enterprise.
    Type: Application
    Filed: January 7, 2022
    Publication date: July 13, 2023
    Applicant: DISH Wireless L.L.C.
    Inventors: David Zufall, Mehdi Alasti, Siddhartha Chenumolu
  • Publication number: 20230198649
    Abstract: An aggregate cell of a cellular network includes a plurality of dispersed modular cells. The modular cells each include a cellular radio and collectively perform the function of a cellular base station. A distributed clock is established by transmitting timing beacons from one or more of the modular cells. Each modular cell receives the timing beacons. Each modular cell that transmits a timing beacon provides a transmission timestamp to a cell controller. Each modular cell that receives a timing beacon provides a reception timestamp to the cell controller. The cell controller schedules signal transmissions from the modular cells based on the transmission and reception timestamps.
    Type: Application
    Filed: February 17, 2023
    Publication date: June 22, 2023
    Inventors: David Zufall, Pareshkumar Panchal, William Ver Steeg
  • Patent number: 11616588
    Abstract: An aggregate cell of a cellular network includes a plurality of dispersed modular cells. The modular cells each include a cellular radio and collectively perform the function of a cellular base station. A distributed clock is established by transmitting timing beacons from one or more of the modular cells. Each modular cell receives the timing beacons. Each modular cell that transmits a timing beacon provides a transmission timestamp to a cell controller. Each modular cell that receives a timing beacon provides a reception timestamp to the cell controller. The cell controller schedules signal transmissions from the modular cells based on the transmission and reception timestamps.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: March 28, 2023
    Assignee: DISH Wireless L.L.C.
    Inventors: David Zufall, Pareshkumar Panchal, William Ver Steeg
  • Publication number: 20230079241
    Abstract: Various arrangements for performing intelligent cellular channel management are presented herein. A physical cellular communication channel may be established between a user equipment (UE) and a cellular network for sending a short message service (SMS) message in response to a cellular service request from the UE. One or more characteristics of the UE, the SMS message, or both may be analyzed. A duration of time for which the physical cellular communication channel is to be kept active may be based on the analyzed one or more characteristics. A channel maintenance instruction may be transmitted to keep the physical cellular communication channel active based on a cellular network messaging controller determining to adjust the duration of time for which the physical cellular communication channel is kept active.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Inventors: Ashish Bansal, Siddhartha Chenumolu, Mehdi Alasti, Paul-André Raymond, Kazi Bashir, David Zufall
  • Patent number: 11553548
    Abstract: Various arrangements for performing intelligent cellular channel management are presented herein. A physical cellular communication channel may be established between a user equipment (UE) and a cellular network for sending a short message service (SMS) message in response to a cellular service request from the UE. One or more characteristics of the UE, the SMS message, or both may be analyzed. A duration of time for which the physical cellular communication channel is kept active may be based on the analyzed one or more characteristics. A channel maintenance instruction may be transmitted to keep the physical cellular communication channel active based on a cellular network messaging controller determining to adjust the duration of time for which the physical cellular communication channel is kept active.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: January 10, 2023
    Assignee: DISH Wireless L.L.C.
    Inventors: Ashish Bansal, Siddhartha Chenumolu, Mehdi Alasti, Paul-André Raymond, Kazi Bashir, David Zufall
  • Publication number: 20220272786
    Abstract: Various arrangements for performing intelligent cellular channel management are presented herein. A physical cellular communication channel may be established between a user equipment (UE) and a cellular network for sending a short message service (SMS) message in response to a cellular service request from the UE. One or more characteristics of the UE, the SMS message, or both may be analyzed. A duration of time for which the physical cellular communication channel is kept active may be based on the analyzed one or more characteristics. A channel maintenance instruction may be transmitted to keep the physical cellular communication channel active based on a cellular network messaging controller determining to adjust the duration of time for which the physical cellular communication channel is kept active.
    Type: Application
    Filed: February 22, 2021
    Publication date: August 25, 2022
    Inventors: Ashish Bansal, Siddhartha Chenumolu, Mehdi Alasti, Paul-André Raymond, Kazi Bashir, David Zufall
  • Publication number: 20220029722
    Abstract: An aggregate cell of a cellular network includes a plurality of dispersed modular cells. The modular cells each include a cellular radio and collectively perform the function of a cellular base station. A distributed clock is established by transmitting timing beacons from one or more of the modular cells. Each modular cell receives the timing beacons. Each modular cell that transmits a timing beacon provides a transmission timestamp to a cell controller. Each modular cell that receives a timing beacon provides a reception timestamp to the cell controller. The cell controller schedules signal transmissions from the modular cells based on the transmission and reception timestamps.
    Type: Application
    Filed: July 24, 2020
    Publication date: January 27, 2022
    Inventors: David Zufall, Paresh Panchal, William Ver Steeg
  • Patent number: 7389120
    Abstract: A dispatch communications system is disclosed that facilitates dispatch communications respectively between subscriber units residing within a first geographical area, subscriber units residing within a second geographical area, and subscriber units residing respectively in the first and second geographical areas. The dispatch communications system includes a first intra-area dispatch communications network to facilitate dispatch calling between subscriber units residing within a first geographical area; a second intra-area dispatch communications network to facilitate dispatch calling between subscriber units residing within a second geographical area different than the first geographical area; and an inter-area dispatch communications network to facilitate dispatch calling between subscriber units residing respectively in first and second geographical areas. A call processing unit controls both inter-area and intra-area dispatch calls for the dispatch communications system.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: June 17, 2008
    Assignee: Nextel Communications Inc.
    Inventor: David Zufall
  • Publication number: 20080090601
    Abstract: A dispatch communications system is disclosed that facilitates dispatch communications respectively between subscriber units residing within a first geographical area, subscriber units residing within a second geographical area, and subscriber units residing respectively in the first and second geographical areas. The dispatch communications system includes a first intra-area dispatch communications network to facilitate dispatch calling between subscriber units residing within a first geographical area; a second intra-area dispatch communications network to facilitate dispatch calling between subscriber units residing within a second geographical area different than the first geographical area; and an inter-area dispatch communications network to facilitate dispatch calling between subscriber units residing respectively in first and second geographical areas. A call processing unit controls both inter-area and intra-area dispatch calls for the dispatch communications system.
    Type: Application
    Filed: April 7, 2004
    Publication date: April 17, 2008
    Applicant: Nextel Communications, Inc.
    Inventor: David Zufall
  • Patent number: 7206595
    Abstract: A dispatch communications system is disclosed that facilitates group dispatch communications respectively between subscriber units residing within a first geographical area, subscriber units residing within a second geographical area, and subscriber units residing respectively within the first and second geographical areas. The dispatch communications system includes a first intra-area dispatch communications network to facilitate group dispatch calling between subscriber units residing within a first geographical area; a second intra-area dispatch communications network to facilitate group dispatch calling between subscriber units residing within a second geographical area different than the first geographical area; and an inter-area dispatch communications network to facilitate group dispatch calling between subscriber units residing respectively within the first and second geographical areas.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: April 17, 2007
    Assignee: Nextel Communications, Inc.
    Inventor: David Zufall
  • Publication number: 20060019690
    Abstract: A dispatch communications system is disclosed that facilitates group dispatch communications respectively between subscriber units residing within a first geographical area, subscriber units residing within a second geographical area, and subscriber units residing respectively within the first and second geographical areas. The dispatch communications system includes a first intra-area dispatch communications network to facilitate group dispatch calling between subscriber units residing within a first geographical area; a second intra-area dispatch communications network to facilitate group dispatch calling between subscriber units residing within a second geographical area different than the first geographical area; and an inter-area dispatch communications network to facilitate group dispatch calling between subscriber units residing respectively within the first and second geographical areas.
    Type: Application
    Filed: July 12, 2004
    Publication date: January 26, 2006
    Inventor: David Zufall