Patents by Inventor Arthur J. Barabell

Arthur J. Barabell 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).

  • Publication number: 20220174577
    Abstract: A C-RAN includes a plurality of remote units; a central unit communicatively coupled to the remote units via a fronthaul network; and an entity coupled to the fronthaul network configured to perform deep packet inspection. The central unit is configured to determine sets of data to be sent to respective subsets of remote units across the fronthaul network and determine a mapping of each of the sets of data to a respective one of the subsets of remote units. The central unit is also configured to add a respective indicator, based on the mapping, to packets for each set of data, wherein each respective indicator indicates each remote unit that the respective packet and set of data is intended for. The central unit is also configured to transmit the packets for the sets of data, each with the respective indicator, to the entity over the fronthaul network.
    Type: Application
    Filed: February 17, 2022
    Publication date: June 2, 2022
    Applicant: CommScope Technologies LLC
    Inventors: Balaji B. Raghothaman, Irfaan Ahamed Salahuddeen, Arthur J. Barabell, Calogero Armao
  • Publication number: 20210345137
    Abstract: Among other things, a communication system comprising at least one remote unit and controller is described. The at least one remote unit wirelessly exchanges radio frequency (RF) signals with mobile devices. Each RF signal comprises information destined for, or originating from, at least one of the mobile devices. The at least two remote units and the controller communicate baseband data corresponding to the information across an intermediate network. The at least two remote units each implement at least some physical layer processing for an air interface used to wirelessly communicate with the subscriber devices. The controller is configured to perform at least some receive signal processing using combined data resulting from combining at least some of the baseband data communicated from more than one of the at least two remote units.
    Type: Application
    Filed: July 13, 2021
    Publication date: November 4, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Publication number: 20210314975
    Abstract: An example communication system includes remote units to exchange radio frequency (RF) signals with mobile devices, RF signals comprising information destined for, or originating from, a mobile device, the remote units performing at least some physical layer processing for an air interface used by the remote units to communicate with the mobile device. The communication system also includes two or more controllers comprising real-time schedulers for assigning airlink resources to the mobile device for the information. The communication system also includes a coordination function coupled to the two or more controllers to coordinate assignments made by the real-time schedulers in the two or more controllers.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 7, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Vedat Eyuboglu, Nagi Jayaraman Mahalingam, Balaji B Raghothaman, Stuart D. Sandberg, Sassan Ahmadi
  • Patent number: 11122447
    Abstract: Among other things, a communication system comprising at least one remote unit and at least one controller is described. The at least one remote unit exchanges radio frequency (RF) signals with mobile devices. Each RF signal comprises information destined for, or originating from, at least one of the mobile devices. The at least one controller is communicatively coupled to the at least one remote unit. All physical layer processing for an air interface is implemented in the at least one remote unit. All Media Access Control (MAC) layer processing for the air interface is implemented in the at least one controller.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: September 14, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Patent number: 11102663
    Abstract: Among other things, a communication system comprising at least one remote unit and at least one controller is described. The at least one remote unit exchanges radio frequency (RF) signals with mobile devices. Each RF signal comprises information destined for, or originating from, one of the mobile devices. The controller is communicatively coupled to the at least one remote unit and comprises a real-time scheduler for assigning airlink resources to the mobile devices for the information. The at least one controller and the at least one remote unit are configured so that the physical layer functions for an air interface are split between the controller and the at least one remote unit. The at least one controller and the at least one remote unit are configured so that the split of the physical layer functions for at least some of a first channel of the air interface differs from the split of the physical layer functions for a second channel of the air interface.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: August 24, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Patent number: 11082997
    Abstract: An example communication system in a cellular network comprises: a processing system comprising a controller and remote units, with the remote units being configured to communicate with the controller and to communicate with mobile devices within a communication cell of the cellular network. At least part of the processing system is configured to perform operations comprising: estimating signal strength experienced by all or some of the mobile devices; identifying, based at least on the signal strength, one or more of the mobile devices that can be scheduled for communication with one or more of the remote units in the communication cell on a same airlink resource; and scheduling the communication.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: August 3, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Vedat Eyuboglu, Nagi Jayaraman Mahalingam, Balaji B Raghothaman, Stuart D. Sandberg, Sassan Ahmadi
  • Publication number: 20210191772
    Abstract: One embodiment is directed to a hierarchical scheduling system that is configured to assess the configuration and operating environment of the hierarchical scheduling system and adapt the operation of the hierarchical scheduling system based thereon. The hierarchical scheduling system can be implemented, for example, as a centralized hierarchical scheduling system or as a distributed hierarchical scheduling system. The hierarchical scheduling system can be implemented in a base station (for example, to implement a Media Access Control (MAC) scheduler).
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Applicant: CommScope Technologies LLC
    Inventor: Arthur J. Barabell
  • Publication number: 20210136784
    Abstract: A communication system includes remote units, a UTC or GPS reference timing source, and a controller. The controller includes one or more modems and is connected to an external network, at least one of the modems being a baseband modem and being configured to pass first data corresponding to the information. The controller is separated from the remote units by an intermediate network over which second data corresponding to the information is transmitted in frames between the controller and the remote units. The second data includes baseband data. A controller clock is synchronized with the reference timing source and provides timing information to the controller. A remote unit clock is synchronized with the controller clock and provides timing information to a remote unit, the controller and the remote unit being configured to transmit time stamp messages to synchronize the controller clock and the remote unit clock.
    Type: Application
    Filed: December 11, 2020
    Publication date: May 6, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Publication number: 20210100009
    Abstract: A communication system includes remote units to exchange radio frequency (RF) signals with mobile devices, at least some of the RF signals comprising information destined for, or originating from, a mobile device. The communication system also includes a controller comprising one or more modems and connected to an external network, at least one of the modems being a baseband modem and being configured to pass first data corresponding to the information. The controller is separated from the remote units by an intermediate network over which second data corresponding to the information is carried in frames between the controller and the remote units. The second data comprises baseband data, and at least some of the baseband data is compressed in a frequency domain. The remote units and the controller are configured to compress the baseband data for transmission over the intermediate network.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Patent number: 10904897
    Abstract: A communication system comprising remote units and controllers or controller resources is described. The controllers or controller resources are configured to assign airlink resources to the user equipment, the airlink resources being for transmission or reception of at least some of the information passing between the remote units and the user equipment. The controller is separated from the remote units by an intermediate network. The controllers or controller resources are configured to obtain information about data capacity demands in different areas of the site, and to configure one or more communication cells in the different areas of the site based on the information about data capacity demands in order to accommodate the data capacity demands, wherein the one or more communication cells are configured by changing assignments of a number of the remote units with a number of the controllers or controller resources.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: January 26, 2021
    Assignee: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell
  • Publication number: 20210006371
    Abstract: A C-RAN includes a plurality of remote units (RUs), each being configured to exchange RF signals with at least one UE. The C-RAN also includes a central unit communicatively coupled to the plurality of RUs via a fronthaul interface. The central unit is configured to determine sets of data to be sent to a plurality of remote units across the fronthaul interface. The central unit is also configured to determine a mapping of each of the sets of data to at least one of the plurality of remote units. The central unit is also configured to add a respective indicator, based on the mapping, to each set of data, wherein each respective indicator indicates each remote unit that the respective set of data is intended for. The central unit is also configured to broadcast the sets of data, each with the respective indicator, to the plurality of remote units.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Balaji B Raghothaman, Irfaan Ahamed Salahuddeen, Arthur J. Barabell
  • Publication number: 20210006944
    Abstract: A C-RAN includes a plurality of remote units; and a central unit communicatively coupled to the remote units via a fronthaul network. The central unit is configured to determine sets of data to be sent to respective subsets of remote units across the fronthaul network. The central unit is also configured to determine a mapping of each of the sets of data to a respective one of the subsets of remote units. The central unit is also configured to, for each of the sets of data, if at least one of the multicast groups wholly contains the respective subset of remote units mapped to that set of data, transmit that set of data to the respective subset of remote units over the fronthaul network by multicasting that set of data to the multicast group that best matches the respective subset of remote units mapped to that set of data.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Applicant: CommScope Technologies LLC
    Inventors: Balaji B Raghothaman, Irfaan Ahamed Salahuddeen, Arthur J. Barabell, Calogero Armao
  • Publication number: 20200367062
    Abstract: One embodiment is directed to a centralized radio access network (C-RAN) system that is configured so that physical layer processing for the wireless interface is split so that some of the physical layer processing is performed in a controller and some of the physical layer processing is performed in a plurality of radio points. The system is configured so that scrambling of first downlink data to be communicated to a UE over the wireless interface is performed in the controller and so that scrambling of second downlink data to be communicated to said UE over the wireless interface is performed in one of the radio points. Other embodiments are disclosed.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 19, 2020
    Applicant: CommScope Technologies LLC
    Inventors: Irfaan Ahamed Salahuddeen, Arthur J. Barabell
  • Publication number: 20200296799
    Abstract: One embodiment is directed to a baseband controller for use with a plurality of radio points to provide wireless service to user equipment (UE) using a wireless interface. The baseband controller makes use of a hybrid virtualized architecture comprising special-purpose hardware configured to implement at least some of the LAYER-1 functions for the wireless interface and a virtual platform configured to implement some of the functions for the wireless interface. Such a baseband controller can be used in dual connectivity radio access networks.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 17, 2020
    Applicant: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Luigi Tarlazzi, Anil Bapat
  • Publication number: 20200287785
    Abstract: In one embodiment, a method comprises determining which functional splits between processing performed in a baseband controller and processing performed in a remote unit are supported by each remote unit served by the baseband controller. The method further comprises determining at least one functional split in the processing performed in the baseband controller and the processing performed in the remote units to use. The method further comprises, for each said at least one functional split and each remote unit associated with that functional split, configuring the processing performed in the baseband controller and the processing performed in that remote unit are configured to use that functional split and configuring a respective interface between the baseband controller and that remote unit are configured for communicating front-haul data therebetween using that functional split.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 10, 2020
    Applicant: CommScope Technologies LLC
    Inventor: Arthur J. Barabell
  • Publication number: 20200137549
    Abstract: One embodiment is directed to a multi-carrier radio point for use in a centralized radio access network (C-RAN). The multi-carrier radio point is configured so that the processing and hardware resources provided by the radio point can be associated with controllers of the C-RAN in a flexible manner. A single multi-carrier radio point can be used with multiple controllers to serve multiple cells, where the processing and hardware resources used for the multiple controllers need not be configured and used in the same way.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Applicant: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Irfaan Ahamed Salahuddeen, Santosh Ajjannavar, Shanthakumar Ramakrishnan
  • Publication number: 20200107204
    Abstract: One embodiment is directed to a system comprising a plurality of controllers and a plurality of radio points that provide wireless service to user equipment. The system is configured to serve a plurality of logical cells. The system is configured so that each logical cell is served by a respective group of the radio points. The system is configured to associate each group of radio points with a respective one or more controllers in order for the respective one or more controllers to serve the respective logical cell associated with that group of radio points while associated therewith. The system is configured to use a protection scheme in which the respective group of radio points that serves each logical cell does not change in the event of a fail-over that causes the one or more controllers associated with that group of radio points to change.
    Type: Application
    Filed: September 30, 2019
    Publication date: April 2, 2020
    Applicant: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Shanthakumar Ramakrishnan, Nikhil Niranand Utane, Manoj S. Kolakur, Nagi Jayaraman Mahalingam
  • Publication number: 20200092901
    Abstract: An example communication system in a cellular network comprises: a processing system comprising a controller and remote units, with the remote units being configured to communicate with the controller and to communicate with mobile devices within a communication cell of the cellular network. At least part of the processing system is configured to perform operations comprising: estimating signal strength experienced by all or some of the mobile devices; identifying, based at least on the signal strength, one or more of the mobile devices that can be scheduled for communication with one or more of the remote units in the communication cell on a same airlink resource; and scheduling the communication.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Applicant: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Vedat Eyuboglu, Nagi Jayaraman Mahalingam, Balaji B. Raghothaman, Stuart D. Sandberg, Sassan Ahmadi
  • Patent number: 10536959
    Abstract: An example communication system in a cellular network comprises: a processing system comprising a controller and remote units, with the remote units being configured to communicate with the controller and to communicate with mobile devices within a communication cell of the cellular network. At least part of the processing system is configured to perform operations comprising: estimating signal strength experienced by all or some of the mobile devices; identifying, based at least on the signal strength, one or more of the mobile devices that can be scheduled for communication with one or more of the remote units in the communication cell on a same airlink resource; and scheduling the communication.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: January 14, 2020
    Assignee: CommScope Technologies LLC
    Inventors: Arthur J. Barabell, Vedat Eyuboglu, Nagi Jayaraman Mahalingam, Balaji B Raghothaman, Stuart D. Sandberg, Sassan Ahmadi
  • Patent number: 10455597
    Abstract: Among other things, a communication system comprising remote units and a controller is described. Each of the remote units comprises one or more radio frequency (RF) units to exchange RF signals with mobile devices. At least some of the RF signals comprise information destined for, or originating from, a mobile device. The controller comprises one or more modems and is connected to an external network. At least one of the modems is a baseband modem and is configured to pass first data corresponding to the information. The at least one of the modems is configured to perform real-time scheduling of the first data corresponding to the information. The controller is separated from the remote units by an intermediate network. The intermediate network comprises a switched Ethernet network over which second data corresponding to the information is carried in frames between the controller and the remote units.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: October 22, 2019
    Assignee: CommScope Technologies LLC
    Inventors: Vedat Eyuboglu, Arthur J. Barabell