Patents by Inventor Aristides Papasakellariou

Aristides Papasakellariou 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: 20240155583
    Abstract: Apparatuses and methods for utilizing a subband configuration in full-duplex systems. A method of operating a user equipment (UE) includes receiving first information for a first set of parameters for a first frequency-domain subband associated with an uplink (UL) bandwidth for transmissions on a cell; receiving second information for a second set of parameters for a second frequency-domain subband associated with a downlink (DL) bandwidth for receptions on the cell; and determining a third frequency-domain subband on a symbol based on the first frequency-domain subband, the second frequency-domain subband, and a reference bandwidth. The method further includes receiving or transmitting on the symbol. A frequency-domain resource of the third frequency-domain subband is not available for receptions or transmissions on the symbol on the cell.
    Type: Application
    Filed: October 23, 2023
    Publication date: May 9, 2024
    Inventors: Marian Rudolf, Aristides Papasakellariou
  • Publication number: 20240155509
    Abstract: Methods and apparatuses for transmission and reception of power reports. A method of operating a user equipment (UE) includes transmitting first information indicating a first power class associated with a first maximum output power on a first carrier; determining a delta power class associated with the first power class on the first carrier; and transmitting second information indicating the delta power class in a power headroom report. The delta power class is a power offset for the first power class.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 9, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Publication number: 20240146457
    Abstract: A user equipment (UE) in a wireless communication system includes a processor. The processor is configured to determine a channel bandwidth for a frequency band in which the wireless communication system operates, and when the channel bandwidth is 3 megahertz (MHz), determine a punctured bandwidth of a synchronization signals and physical broadcast channel (SS/PBCH) block as 144 subcarriers, wherein subcarriers 0 to 47 and subcarriers 192 to 239 are punctured from 240 subcarriers of the SS/PBCH block bandwidth, and all 4 symbols of the SS/PBCH block are punctured. The UE further includes a transceiver operably coupled to the processor. The transceiver is configured to receive the SS/PBCH block based on the punctured bandwidth of the SS/PBCH block.
    Type: Application
    Filed: October 9, 2023
    Publication date: May 2, 2024
    Inventors: Hongbo Si, Aristides Papasakellariou
  • Publication number: 20240129959
    Abstract: Apparatuses and methods for random access procedures with multiple transmission reception points or cells in a wireless communication system. A method for performing random access (RA) procedures by a user equipment includes receiving a first configuration for RA. The method further includes initiating a first RA procedure with a first transmission-reception point (TRP) based on the first configuration and initiating a second RA procedure with a second TRP prior to completion of the first RA procedure. A method for operating a base station includes transmitting a first configuration for RA corresponding to a first TRP and transmitting a second configuration for RA corresponding to a second TRP. The first TRP and the second TRP are associated with a same cell.
    Type: Application
    Filed: September 15, 2023
    Publication date: April 18, 2024
    Inventors: Ebrahim MolavianJazi, Aristides Papasakellariou, Emad N. Farag, Jeongho Jeon, Joonyoung Cho
  • Publication number: 20240129914
    Abstract: Methods and apparatuses for coverage enhancement of Msg3. A method for operating a user equipment includes receiving a system information block (SIB) that provides information mapping physical random access channel (PRACH) resources to enable or disable repetitions for a physical uplink shared channel (PUSCH) transmission in a random access procedure and a first time domain resource allocation (TDRA) table. An entry of the first TDRA table indicates a number of repetitions of a PUSCH transmission. The method further includes determining a PRACH resource for transmission of a PRACH, determining, based on the PRACH resource, a TDRA table from between the first TDRA table or a predetermined second TDRA table. No entry of the second TDRA table indicates a number of repetitions for a PUSCH transmission. The method further includes receiving a first grant scheduling transmission of a first PUSCH and transmitting the first PUSCH.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 18, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou, Ebrahim MolavianJazi
  • Publication number: 20240121800
    Abstract: Methods and apparatuses for transmission configuration indication (TCI) state indication and association for control and data channels. A method performed by a user equipment (UE) includes receiving first information for first and second groups of configured TCI states; receiving, in a downlink control information (DCI), a first indicated TCI state of a TCI codepoint; and receiving second information for a first control resource set (CORESET).
    Type: Application
    Filed: September 19, 2023
    Publication date: April 11, 2024
    Inventors: Dalin Zhu, Emad Nader Farag, Aristides Papasakellariou, Eko Onggosanusi
  • Publication number: 20240114522
    Abstract: Methods and apparatuses for physical uplink control channel (PUCCH) transmission with hybrid automatic repeat request-acknowledgement (HARQ-ACK) information in a wireless communication system. A method performed by a user equipment (UE) includes receiving information for a first set of PUCCH resources for a transmission of a PUCCH on a primary cell and a set of numbers for repetitions of the transmission of the PUCCH and receiving a physical downlink control channel (PDCCH) providing a downlink control information (DCI) format that includes a downlink assignment index (DAI) field and a PUCCH resource indicator field. The method further includes determining a PUCCH resource from the first set of PUCCH resources based on the PUCCH resource indicator field; determining the number of repetitions, from the set of numbers of repetitions, based on the DAI field; and transmitting the PUCCH with the number of repetitions using the PUCCH resource on the primary cell.
    Type: Application
    Filed: September 13, 2023
    Publication date: April 4, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Publication number: 20240064772
    Abstract: Methods and apparatuses for multi-beam operation for multi-cell scheduling. A method includes receiving first information for a set of cells, second information for a set of transmission configuration indication (TCI) states associated with each cell in the set of cells, respectively, and a first physical downlink control channel (PDCCH) that provides a first DCI format. The first DCI format schedules receptions of first physical downlink shared channels (PDSCHs) on respective first cells from the set of cells. The first DCI format includes a first TCI field indicating a combination of TCI states that includes a number of TCI states that is equal to a number of cells in the set of cells. The method further includes determining first TCI states from the combination of TCI states and receiving the first PDSCHs, or second PDSCHs after the first PDSCHs, on the first cells based on the first TCI states, respectively.
    Type: Application
    Filed: August 9, 2023
    Publication date: February 22, 2024
    Inventors: Ebrahim MolavianJazi, Emad Nader Farag, Dalin Zhu, Aristides Papasakellariou, Eko Onggosanusi
  • Publication number: 20240063871
    Abstract: Methods and apparatuses for network operation adaptation in a spatial domain in a wireless communication system. A method for a user equipment (UE) to report channel state information (CSI) includes receiving: first information related to reception of CSI reference signals (CSI-RSs) on a cell, second information related to determining a first number of CSI reports respectively associated with a first number of operation states on the cell, third information related to triggering a second number CSI reports respectively associated with a second number of operation states from the first number of operation states, and the CSI-RSs based on the first information. An operation state is associated with a configuration for active antenna ports, antenna panels, or transmission reception points. The method further includes determining, based on the second information and the CSI-RSs, the second number of CSI reports and transmitting a channel with the second number of CSI reports.
    Type: Application
    Filed: August 1, 2023
    Publication date: February 22, 2024
    Inventors: Jeongho Jeon, Aristides Papasakellariou, Hongbo Si, Eko Onggosanusi
  • Publication number: 20240056152
    Abstract: Methods and apparatuses for measurement enhancement with network operation states in a wireless communication system. A method for a user equipment (UE) to report channel state information (CSI) includes receiving first information related to transmissions, from a base station (BS), of first reference signals (RSs) associated with respective first operation states on a first cell, second information related to computing first CSI reports from respective receptions of the first RSs on the first cell, and the first RSs based on the first information. The first RSs include channel state information reference signals (CSI-RS) or synchronization signals. The method further includes determining, based on the second information, the first CSI reports corresponding to the respective receptions of the first RSs on the first cell and transmitting a channel with the first CSI reports.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 15, 2024
    Inventors: Jeongho Jeon, Aristides Papasakellariou
  • Publication number: 20240057190
    Abstract: Methods and apparatuses for resource association and link recovery for repeaters in a wireless communication system. A method for a network-controlled repeater (NCR) includes receiving first information for time-domain resources and for corresponding beams for an access link and receiving or transmitting radio frequency (RF) signals on the access link using the beams over the corresponding time-domain resources prior to a link failure event. The method further includes determining the link failure event on a control link (C-link) and performing a link recovery procedure on the C-link. The method further includes suspending receiving or transmitting the RF signals on the access link using the beams over the corresponding time-domain resources during the link recovery procedure.
    Type: Application
    Filed: August 4, 2023
    Publication date: February 15, 2024
    Inventors: Ebrahim MolavianJazi, Marian Rudolf, Aristides Papasakellariou
  • Publication number: 20240056982
    Abstract: Methods and apparatuses for transmit power control (TPC) for uplink (UL) signals. A method includes receiving first information for a set of operation states for a set of cells and second information for a set of values for a power control parameter. The method further includes determining a first power for a transmission of a first physical uplink control channel (PUCCH) based on the first PUCCH including first information bits that indicate a first operation state from the set of operation states for a first cell from the set of cells and a first value from the set of values for the power control parameter. The method further includes transmitting the first PUCCH with the first power.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 15, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Patent number: 11902910
    Abstract: Methods and apparatuses for power control of multiple uplink transmissions. A method for operating a user equipment includes receiving information for first parameters and for second parameters, determining a first power for a first channel with a first spatial setting to a first reception point of a serving cell using the first parameters, and determining a second power for a second channel with a second spatial setting to a second reception point of the serving cell using the second parameters. The method further includes transmitting, to the first reception point of the serving cell, the first channel using the first power and the first spatial setting; and transmitting, to the second reception point of the serving cell, the second channel using the second power and the second spatial setting.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Patent number: 11902027
    Abstract: Methods and apparatuses for physical uplink control channel (PUCCH) transmissions with repetitions. A method for operating a user equipment includes receiving first information indicating a configuration for directions of symbols and receiving second information indicating whether a repetition of a transmission is counted when the repetition of the transmission is canceled. The method further includes determining that a first repetition of the transmission includes a symbol with downlink direction based on the first information determining a counter number of repetitions based on the second information, and canceling the first repetition of the transmission.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Publication number: 20240049248
    Abstract: Methods and apparatuses for discontinuous reception (DRX) for a group of user equipments (UEs). A method of a UE in a wireless communication system includes receiving higher layer parameters and determining DRX ON durations based on the higher layer parameters and reception occasions for physical downlink control channels (PDCCHs) based on the higher layer parameters, wherein a first PDCCH from the PDCCHs provides a downlink control information (DCI) format. The method further includes receiving the first PDCCH in at least one reception occasion from the reception occasions and determining based on an indication in the DCI format, whether to receive a second PDCCH in at least one DRX ON duration from consecutive NDRX DRX ON durations that are after the reception of the first PDCCH, wherein the indication in the DCI format is a bitmap of size NDRX, and NDRX bits in the bitmap are respectively associated with the NDRX DRX ON durations.
    Type: Application
    Filed: July 11, 2023
    Publication date: February 8, 2024
    Inventors: Hongbo Si, Aristides Papasakellariou, Jeongho Jeon
  • Publication number: 20240049250
    Abstract: Methods and apparatuses for uplink control signaling for physical downlink control channel (PDCCH) monitoring in a wireless communication system. A method includes receiving first information for a set of operation states for a cell and second information for a set of resources for physical uplink control channel (PUCCH) transmissions. The method further includes determining, at a first time, first one or more operation states, from the set of operation states, for the cell and a resource from the set of resources based on the first one or more operation states for the cell. The method further includes transmitting, in response to the determination at the first time, a first PUCCH using the resource.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 8, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Publication number: 20240049249
    Abstract: A UE includes a transceiver configured to receive first information related to a set of operation states on a cell, second information related to search space sets for receiving PDCCHs, and the PDCCHs. A first PDCCH provides a first DCI format, CRC bits of the first DCI format are scrambled by a first RNTI, and the first DCI format indicates a first index from a set of indices corresponding to the set of operation states on the cell. The UE further includes a processor operably coupled to a transceiver. The processor is configured to determine a first set of reception occasions for the PDCCHs, and absence of a correct reception of the first DCI format for the first set of reception occasions. The transceiver is further configured to transmit a PUCCH in response to the absence of the reception of the first DCI format for the set of reception occasions.
    Type: Application
    Filed: July 18, 2023
    Publication date: February 8, 2024
    Inventors: Carmela Cozzo, Aristides Papasakellariou
  • Publication number: 20240049197
    Abstract: Apparatuses and methods for ON-OFF indication for repeaters. A method for a network-controlled repeater (NCR) includes receiving, by an NCR mobile termination (NCR-MT) entity, first information for a first time-domain resource and for a corresponding first beam for an access link of an NCR forwarding (NCR-Fwd) entity and second information for a second time-domain resource and for a corresponding second beam for the access link of the NCR-Fwd entity. The first time-domain resource overlaps with the second time-domain resource in a first set of symbols. The first time-domain resource is not associated with a priority flag. The second time-domain resources is associated with the priority flag. The method further includes receiving or transmitting a first radio frequency (RF) signal on the access link using the second beam over the first set of symbols.
    Type: Application
    Filed: July 25, 2023
    Publication date: February 8, 2024
    Inventors: Ebrahim MolavianJazi, Marian Rudolf, Aristides Papasakellariou
  • Publication number: 20240040485
    Abstract: Network parameter adaptation in a wireless communication system. A method for a user equipment (UE) includes receiving first information related to operation states on a cell and second information related to a search space set to receive physical downlink control channels (PDCCHs). A first operation state from the operation states includes first parameters associated with transmissions of channels or signals on the cell in one or more of a power, spatial, time, or frequency domain. A PDCCH from the PDCCHs provides a downlink control information (DCI) format that indicates one or more of the operation states. The method further includes receiving the PDCCH; determining the parameters in the one or more of the power, spatial, time, or frequency domain based on the one or more operation states indicated by the DCI format; and receiving the channels or signals on the cell based on the parameters.
    Type: Application
    Filed: July 17, 2023
    Publication date: February 1, 2024
    Inventors: Jeongho Jeon, Aristides Papasakellariou, Hongbo Si, Ebrahim MolavianJazi
  • Publication number: 20240040429
    Abstract: Downlink control information (DCI) size determination for multi-cell scheduling. A method includes receiving first information for a set of cells, identifying first combinations of cells from the set of cells, and determining a first maximum size among first sizes of a first DCI format. The first DCI format schedules physical downlink shared channel (PDSCH) receptions on a first combination of cells from the first combinations of cells, and the first sizes correspond to the first combinations of cells. The method further includes receiving the first DCI format based on the first maximum size.
    Type: Application
    Filed: July 10, 2023
    Publication date: February 1, 2024
    Inventors: Ebrahim MolavianJazi, Aristides Papasakellariou