Patents by Inventor Ralf Bendlin

Ralf Bendlin 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: 12652098
    Abstract: Aspects of the subject disclosure may include, for example, a group of controllable surface cells of an intelligent controllable surface, wherein the surface cells include input surfaces in communication with a waveguide and configured to receive an RF carrier signal via the waveguide. The controllable surface also includes a group of output surfaces and a group of control terminals in communication with the controllable surface cells and configured to receive an information signal. The intelligent controllable surface includes a group of controllable devices in communication with the control terminals, wherein the controllable devices are configured to control scattering parameters of the controllable surface cells responsive to the information signal to impress a direct modulation upon the RF carrier signal. Other embodiments are disclosed.
    Type: Grant
    Filed: May 16, 2024
    Date of Patent: June 9, 2026
    Assignees: AT&T Intellectual Property I, L.P., University of Notre Dame du Lac
    Inventors: Ralf Bendlin, Bertrand Martyn Hochwald, Jonathan David Chisum, Himanshu Sharma
  • Patent number: 12635039
    Abstract: A closed loop carrier sense multiple access multiuser request to send and clear to send handshaking system is provided to efficiently allocate licensed and unlicensed spectrum for a plurality of mobile devices and across different base stations and mobile network operators. A user equipment device can be connected to a base station device via a first frequency in licensed spectrum, and a second frequency in unlicensed spectrum. The air interface on the first frequency can then be used to coordinate physical and virtual carrier sensing on a second frequency among a plurality of user equipment devices. Moreover, carrier sensing results from a plurality of UEs can be reported a base station device via the first frequency in licensed spectrum. The base station device can then schedule multiple user multiple input, multiple output (MU-MIMO) transmissions to a plurality of UEs on the second frequency in unlicensed spectrum.
    Type: Grant
    Filed: May 21, 2024
    Date of Patent: May 19, 2026
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Thomas Novlan, Arunabha Ghosh, Abdulrauf Hafeez
  • Patent number: 12490297
    Abstract: Techniques for mobile broadband and machine type communication network coexistence are provided. A method can include embedding, by a system comprising a processor, narrowband carriers, comprising a first narrowband carrier having a first bandwidth and a second narrowband carrier having the first bandwidth, into respective portions of an enhanced wireless broadband carrier, the enhanced wireless broadband carrier having a second bandwidth that is greater than the first bandwidth; transmitting, by the system to network equipment via the first narrowband carrier, a master information block comprising a first bandwidth field indicative of the first bandwidth and a second bandwidth field, distinct from the first bandwidth field, indicative of the second bandwidth; and scheduling, by the system, the network equipment on the second narrowband carrier in response to transmitting the master information block to the network equipment.
    Type: Grant
    Filed: July 8, 2024
    Date of Patent: December 2, 2025
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Ye Chen
  • Publication number: 20250357994
    Abstract: Aspects of the subject disclosure may include, for example, a group of controllable surface cells of an intelligent controllable surface, wherein the surface cells include input surfaces in communication with a waveguide and configured to receive an RF carrier signal via the waveguide. The controllable surface also includes a group of output surfaces and a group of control terminals in communication with the controllable surface cells and configured to receive an information signal. The intelligent controllable surface includes a group of controllable devices in communication with the control terminals, wherein the controllable devices are configured to control scattering parameters of the controllable surface cells responsive to the information signal to impress a direct modulation upon the RF carrier signal. Other embodiments are disclosed.
    Type: Application
    Filed: May 16, 2024
    Publication date: November 20, 2025
    Applicants: AT&T Intellectual Property I, L.P., University of Notre Dame du Lac
    Inventors: Ralf Bendlin, Bertrand Martyn Hochwald, Jonathan David Chisum, Himanshu Sharma
  • Publication number: 20250294602
    Abstract: Aspects of the subject disclosure may include, for example, determining a channel condition of a communication channel and identifying a bandwidth-related power constraint imposed upon the communication channel. A spectrum encoding strategy is determined based on the channel condition and the bandwidth-related power constraint, wherein application of the spectrum encoding strategy facilitates compliance with the bandwidth-related power constraint. The spectrum encoding strategy may be provided to a receiver to facilitate reliable communication of digital information over the communication channel according to the bandwidth-related power constraint. Other embodiments are disclosed.
    Type: Application
    Filed: March 14, 2024
    Publication date: September 18, 2025
    Applicants: AT&T Intellectual Property I, L.P., University of Notre Dame du Lac
    Inventors: Ralf Bendlin, Xiangbo Meng, Bertrand Martyn Hochwald, Jonathan David Chisum, J. Nicholas Laneman
  • Patent number: 12407471
    Abstract: Briefly, in accordance with one or more embodiments, apparatus of an evolved NodeB (eNB) comprises circuitry to configure one or more parameters for a 5G master information block (xMIB). The xMIB contains at least one of the following parameters: downlink system bandwidth, system frame number (SFN), or configuration for other physical channels, or a combination thereof. The apparatus of the eNB comprises circuitry to transmit the xMIB via a 5G physical broadcast channel (xPBCH) on a predefined resource, the xPBCH comprising a xPBCH. The xPBCH may use a DM-RS based transmission mode, and a beamformed xPBCH may be used for mid band and high band.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: September 2, 2025
    Assignee: Apple Inc.
    Inventors: Gang Xiong, Hyejung Jung, Ralf Bendlin, Jong-Kae Fwu, Alexei Davydov
  • Publication number: 20250240770
    Abstract: Various embodiments disclosed that describe systems to facilitate paging an idle subscriber identity module using a connected subscriber identity module operating in a single radio configuration. According to some embodiments, a system can comprise receiving a paging request that is designated for a first device of a communication device, wherein the communication device comprises the first device and a second device; determining whether the second device is in an active state; and in response to the determining that the second device is in the active state, transmitting a message to second device indicating that the paging message was received for the first device.
    Type: Application
    Filed: April 11, 2025
    Publication date: July 24, 2025
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Arunabha Ghosh, Thomas Novlan, Milap Majmundar, Xiaoyi Wang
  • Patent number: 12302284
    Abstract: Various embodiments disclosed that describe systems to facilitate paging an idle subscriber identity module using a connected subscriber identity module operating in a single radio configuration. According to some embodiments, a system can comprise receiving a paging request that is designated for a first device of a communication device, wherein the communication device comprises the first device and a second device; determining whether the second device is in an active state; and in response to the determining that the second device is in the active state, transmitting a message to second device indicating that the paging message was received for the first device.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: May 13, 2025
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Arunabha Ghosh, Thomas Novlan, Milap Majmundar, Xiaoyi Wang
  • Publication number: 20250055515
    Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. A precoding matrix is generated for multi-antenna transmission based on precoding matrix indicator (PMI) feedback, wherein the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first codebook and a second codebook. In one embodiment, the first codebook comprises at least a first precoding matrix constructed with a first group of adjacent Discrete-Fourier-Transform (DFT) vectors. In another embodiment, the first codebook comprises at least a second precoding matrix constructed with a second group of uniformly distributed non-adjacent DFT vectors.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 13, 2025
    Inventors: Eko Onggosanusi, Runhua Chen, Ralf Bendlin
  • Patent number: 12206476
    Abstract: Apparatus, systems, and methods to implement receive beamforming in communication systems are described. In one example, apparatus of an evolved Node B (eNB) comprising processing circuitry to receive, from a user equipment (UE), a beamforming reference signal received power (BRS-RP) measurement and in response to the BRS-RP measurement, configure a downlink (DL) transmit (Tx) beamforming and a receiving (Rx) beamforming process on the UE. Other examples are also disclosed and claimed.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: January 21, 2025
    Assignee: Apple Inc.
    Inventors: Yushu Zhang, Yuan Zhu, Gang Xiong, Ralf Bendlin, Jong-Kae Fwu
  • Publication number: 20240397505
    Abstract: Aspects of the technology described herein are directed towards using generic control information in a three-party wireless communication system to schedule a data transmission and reception of the data transmission. A scheduler node transmits the generic control information, comprising identification information that identifies a user equipment device as a transmitter node, and scheduling information that schedules a data transmission. For unicast data transmissions, the generic control information further identifies a receiver node, and can schedule transmission of an ACK/NACK from the receiver node corresponding to receiving the data transmission. A control procedure can be configured in a user equipment device by linking a channel configuration dataset to a resource configuration dataset, which in turn is linked to a channel transmit and receive configuration dataset. Reconfiguration is achieved by changing the linking(s) between one or more different available datasets.
    Type: Application
    Filed: August 5, 2024
    Publication date: November 28, 2024
    Inventors: Xiaoyi Wang, Ralf Bendlin
  • Publication number: 20240365371
    Abstract: Techniques for mobile broadband and machine type communication network coexistence are provided. A method can include embedding, by a system comprising a processor, narrowband carriers, comprising a first narrowband carrier having a first bandwidth and a second narrowband carrier having the first bandwidth, into respective portions of an enhanced wireless broadband carrier, the enhanced wireless broadband carrier having a second bandwidth that is greater than the first bandwidth; transmitting, by the system to network equipment via the first narrowband carrier, a master information block comprising a first bandwidth field indicative of the first bandwidth and a second bandwidth field, distinct from the first bandwidth field, indicative of the second bandwidth; and scheduling, by the system, the network equipment on the second narrowband carrier in response to transmitting the master information block to the network equipment.
    Type: Application
    Filed: July 8, 2024
    Publication date: October 31, 2024
    Inventors: Ralf Bendlin, Ye Chen
  • Patent number: 12126411
    Abstract: Channel state information (CSI) feedback in a wireless communication system is disclosed. A precoding matrix is generated for multi-antenna transmission based on precoding matrix indicator (PMI) feedback, wherein the PMI indicates a choice of precoding matrix derived from a matrix multiplication of two matrices from a first codebook and a second codebook. In one embodiment, the first codebook comprises at least a first precoding matrix constructed with a first group of adjacent Discrete-Fourier-Transform (DFT) vectors. In another embodiment, the first codebook comprises at least a second precoding matrix constructed with a second group of uniformly distributed non-adjacent DFT vectors.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: October 22, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Eko Onggosanusi, Runhua Chen, Ralf Bendlin
  • Patent number: 12096455
    Abstract: The described technology is generally directed towards operating a user equipment node as a scheduler user equipment (e.g., which can be a local manager of other nodes in a group). The scheduler user equipment receives a scheduling request for the scheduling of the resources for transmission of data by a transmitter user equipment, and based on the traffic type requested, schedules the transmitter user equipment and receiver user equipment(s) with scheduling data/allocated radio resources. The transmitter user equipment can directly transmit to the receiver user equipment(s) on the allocated radio resources, e.g., without further involvement of the scheduler user equipment/local manager. For cellular data, the scheduler user equipment can schedule the transmitter user equipment to transmit to the scheduler user equipment as a receiver node.
    Type: Grant
    Filed: September 30, 2022
    Date of Patent: September 17, 2024
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Xiaoyi Wang, Arunabha Ghosh, Andrew Thornburg, Thomas Novlan, Ralf Bendlin, Milap Majmundar
  • Publication number: 20240306258
    Abstract: A closed loop carrier sense multiple access multiuser request to send and clear to send handshaking system is provided to efficiently allocate licensed and unlicensed spectrum for a plurality of mobile devices and across different base stations and mobile network operators. A user equipment device can be connected to a base station device via a first frequency in licensed spectrum, and a second frequency in unlicensed spectrum. The air interface on the first frequency can then be used to coordinate physical and virtual carrier sensing on a second frequency among a plurality of user equipment devices. Moreover, carrier sensing results from a plurality of UEs can be reported a base station device via the first frequency in licensed spectrum. The base station device can then schedule multiple user multiple input, multiple output (MU-MIMO) transmissions to a plurality of UEs on the second frequency in unlicensed spectrum.
    Type: Application
    Filed: May 21, 2024
    Publication date: September 12, 2024
    Applicant: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Thomas Novlan, Arunabha Ghosh, Abdulrauf Hafeez
  • Patent number: 12058666
    Abstract: Aspects of the technology described herein are directed towards using generic control information in a three-party wireless communication system to schedule a data transmission and reception of the data transmission. A scheduler node transmits the generic control information, comprising identification information that identifies a user equipment device as a transmitter node, and scheduling information that schedules a data transmission. For unicast data transmissions, the generic control information further identifies a receiver node, and can schedule transmission of an ACK/NACK from the receiver node corresponding to receiving the data transmission. A control procedure can be configured in a user equipment device by linking a channel configuration dataset to a resource configuration dataset, which in turn is linked to a channel transmit and receive configuration dataset. Reconfiguration is achieved by changing the linking(s) between one or more different available datasets.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: August 6, 2024
    Assignee: AT&T Intellect al Property I, L.P.
    Inventors: Xiaoyi Wang, Ralf Bendlin
  • Patent number: 12035248
    Abstract: Various embodiments disclosed herein provide for a power control system in a multi-hop integrated access and backhaul network. In the multi-hop integrated access and backhaul network, a donor node can communicate with user equipment devices and relay nodes that have varying power levels; and to avoid receiving uplink transmissions with varying power levels which can impact automatic gain control systems and lower overall throughput, the power control system can manage the power levels of the relay node in order to reduce the difference in power levels. The power control system can schedule relay node devices to transmit uplink transmissions alongside user equipment devices that have a high signal strength; schedule relay nodes and user equipment devices to separate symbols within a time slot; and/or perform closed loop power control management at the relay node to reduce the power level for an uplink transmission.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: July 9, 2024
    Assignee: AT&T Intellect al P Property I, L.P.
    Inventors: Aditya Chopra, Arunabha Ghosh, Thomas Novlan, Andrew Thornburg, Xiaoyi Wang, Ralf Bendlin
  • Patent number: 12034591
    Abstract: A base station may generate first configuration information to configure a first user equipment (“UE”) to operate using a first bandwidth within a wideband carrier of a cell, generate second configuration information to configure a second UE to operate using a second bandwidth within the wideband carrier of the cell, and cause transmission of the first and second configuration information to the first and second UEs, respectively. The base station may configure the first and second UEs based upon capabilities received from each UE, respectively.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: July 9, 2024
    Assignee: Intel IP Corporation
    Inventors: Joonyoung Cho, Gang Xiong, Ralf Bendlin, Hwan-Joon Kwon, Seunghee Han, Honglei Miao, Ingolf Karls, Markus Dominik Mueck, Michael Faerber
  • Patent number: 12035356
    Abstract: Techniques for mobile broadband and machine type communication network coexistence are provided. A method can include embedding, by a system comprising a processor, narrowband carriers, comprising a first narrowband carrier having a first bandwidth and a second narrowband carrier having the first bandwidth, into respective portions of an enhanced wireless broadband carrier, the enhanced wireless broadband carrier having a second bandwidth that is greater than the first bandwidth; transmitting, by the system to network equipment via the first narrowband carrier, a master information block comprising a first bandwidth field indicative of the first bandwidth and a second bandwidth field, distinct from the first bandwidth field, indicative of the second bandwidth; and scheduling, by the system, the network equipment on the second narrowband carrier in response to transmitting the master information block to the network equipment.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: July 9, 2024
    Assignee: AT&T Intellectual Property I, L.P.
    Inventors: Ralf Bendlin, Ye Chen
  • Patent number: 12028939
    Abstract: A closed loop carrier sense multiple access multiuser request to send and clear to send handshaking system is provided to efficiently allocate licensed and unlicensed spectrum for a plurality of mobile devices and across different base stations and mobile network operators. A user equipment device can be connected to a base station device via a first frequency in licensed spectrum, and a second frequency in unlicensed spectrum. The air interface on the first frequency can then be used to coordinate physical and virtual carrier sensing on a second frequency among a plurality of user equipment devices. Moreover, carrier sensing results from a plurality of UEs can be reported a base station device via the first frequency in licensed spectrum. The base station device can then schedule multiple user multiple input, multiple output (MU-MIMO) transmissions to a plurality of UEs on the second frequency in unlicensed spectrum.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: July 2, 2024
    Assignee: AT&T INTELLECTUAL PROPERTY I, L.P.
    Inventors: Ralf Bendlin, Thomas Novlan, Arunabha Ghosh, Abdulrauf Hafeez