Patents by Inventor Aris Papasakellariou

Aris 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).

  • METHOD AND APPARATUS FOR SCHEDULING COMMUNICATION FOR LOW CAPABILITY DEVICES
    Publication number: 20200275423
    Abstract: Methods and apparatus are described for a User Equipment (UE) with reduced processing capabilities (e.g., Machine Type Communication (MTC) UE) to transmit and receive signaling are provided. The Downlink Control Information (DCI) formats scheduling a transmission of a Physical Uplink Shared CHannel (PUSCH) or a reception of a Physical Downlink Shared CHannel (PDSCH) are designed and have a smaller size than respective DCI formats for conventional UEs. DCI formats scheduling PUSCHs to or PDSCHs for a group of MTC UEs are also designed and can have a same size as DCI formats scheduling PUSCH or PDSCH for an individual MTC UE.
    Type: Application
    Filed: May 12, 2020
    Publication date: August 27, 2020
    Inventors: Aris PAPASAKELLARIOU, Hyoung-Ju JI, Young-Bum KIM
  • ADAPTING A NUMBER OF REPETITIONS FOR A PHYSICAL UPLINK CONTROL CHANNEL
    Publication number: 20200259625
    Abstract: A methods and apparatuses for providing and configuring channel state information (CSI) reports. A method of operating a user equipment includes receiving a channel state information reference signal (CSI-RS) and generating, based on the CSI-RS reception, a first CSI report and a second CSI report. The first CSI report includes a first channel quality indicator (CQI) index from a first set of CQI indexes and the second CSI report includes a second CQI index from a second set of CQI indexes. The method further includes transmitting the first CSI report in a first channel and the second CSI report in a second channel.
    Type: Application
    Filed: February 3, 2020
    Publication date: August 13, 2020
    Inventor: Aris Papasakellariou
  • Method and apparatus for adaptive control of contention window in LAA
    Patent number: 10742562
    Abstract: A method for listen-before-talk (LBT) operation by an eNodeB (eNB) in a wireless communication network is provided. The method includes triggering an LBT request to transmit, to a user equipment (UE), at least one of an uplink (UL) grant or downlink (DL) data for UL transmission over an licensed assisted access (LAA), determining an adaptive contention window (CW) size includes a predetermined minimum value and maximum value for transmitting the DL data and UL grant, performing DL data and UL grant LBT operations in accordance with the adaptive CW size, performing a UL grant LBT operation that includes a higher priority than the DL data regardless of a level of quality of service (QoS) of the DL data to transmit a UL grant message to the UE, and multiplexing the UL grant with the DL data, and transmitting the multiplexed UL grant with the DL data transmission to the UE.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hongbo Si, Boon Loong Ng, Yingzhe Li, Aris Papasakellariou, Thomas David Novlan
  • System and method for link adaptation for low cost user equipments
    Patent number: 10742383
    Abstract: Methods and apparatus are provided to perform link adaptation for transmissions from a base station to a user equipment (UE) capable of receiving only in a part of a system bandwidth. Mechanisms are provided for determining and mapping a range of channel quality information (CQI) values and for measuring, deriving, and providing channel state information (CSI) reports.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: August 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aris Papasakellariou, Eko Onggosanusi, Boon Loong Ng
  • METHOD AND APPARATUS FOR CHANNEL MEASUREMENT AND REPORTING IN CORESET BASIS
    Publication number: 20200245333
    Abstract: A UE includes a receiver configured to receive a first configuration for a first CORESET, a second configuration for a reception of a first CSI-RS, and the first CSI-RS. The first configuration includes a first TCI state. The TCI state for a CORESET indicates a set of quasi co-location properties for a PDCCH reception in the CORESET. A PDCCH includes a DCI format. The second configuration includes a first set of REs and the first TCI state. The UE also includes a processor operably connected to the receiver. The processor is configured to compute a first CQI value, based on the first CSI-RS, for a first PDCCH reception in the first CORESET and at least one CQI value based on the first CQI value. The UE further includes a transmitter operably connected to the processor, the transmitter configured to transmit a channel that includes the at least one CQI value.
    Type: Application
    Filed: January 21, 2020
    Publication date: July 30, 2020
    Inventors: Qiongjie Lin, Aris Papasakellariou, Hongbo Si
  • Uplink transmission for dual connectivity
    Patent number: 10728858
    Abstract: Methods and apparatus are provided for a User Equipment (UE) configured by a Master enhanced NodeB (MeNB) for operation with dual connectivity to a Secondary eNB (SeNB) to determine a power for transmission to the MeNB and a power for transmission to the SeNB in a subframe when a total power the UE determines according to power control processes for transmission to the MeNB and for transmission to the SeNB exceeds a maximum transmission power in the subframe. Methods and apparatus are also provided for the MeNB to select one or more antenna ports the UE uses to transmit to the MeNB and inform the selected antenna ports to the UE.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aris Papasakellariou, Boon Loong Ng
  • METHOD AND APPARATUS FOR MANAGING PDCCH PROCESSING TIMELINES
    Publication number: 20200236692
    Abstract: A user equipment, a base station, and a method for managing scheduling offsets. The UE is configured to receive a configuration for a set of minimum scheduling offset values for a first cell and receive a physical downlink control channel (PDCCH) of a second cell that is same as or different than the first cell. The UE is also configured to decode a downlink control information (DCI) format that includes a field that indicates a minimum scheduling offset value applicable for a reception of a physical downlink shared channel (PDSCH) on an active DL BWP of the first cell, or for a transmission of a physical uplink shared channel (PUSCH) on an active UL BWP of the first cell. The UE is also configured to determine a delay and apply the minimum scheduling offset value in a second slot of the second cell that is separated from the first slot by the delay.
    Type: Application
    Filed: January 20, 2020
    Publication date: July 23, 2020
    Inventors: Qiongjie Lin, Aris Papasakellariou
  • HARQ OPERATION AND POWER CONTROL IN SIDELINK
    Publication number: 20200228247
    Abstract: User equipments (UEs) and methods for hybrid automatic repeat request acknowledgement (HARQ-ACK) operation in a sidelink. A user equipment configured to receive a physical sidelink control channel (PSCCH) that includes a sidelink control information (SCI) format scheduling a reception of a physical sidelink shared channel (PSSCH) that includes a transport block (TB) and to provide HARQ-ACK information for the TB decoding in a physical sidelink feedback channel (PSFCH).
    Type: Application
    Filed: January 7, 2020
    Publication date: July 16, 2020
    Inventors: Li Guo, Aris Papasakellariou
  • TRANSMISSION OF REFERENCE SIGNALS IN A COMMUNICATION SYSTEM
    Publication number: 20200228377
    Abstract: A method for a user equipment (UE) to transmit a channel state information (CSI) report. The method comprises receiving configuration information for a location of a CSI report trigger field in a downlink control information (DCI) format that includes multiple CSI report trigger fields and receiving the DCI format. The method further comprises determining whether or not a value for the CSI report trigger field indicates a transmission of a CSI report and transmitting a physical uplink control channel (PUCCH) that includes the CSI report when the value indicates a transmission of the CSI report.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Inventor: Aris Papasakellariou
  • MULTICARRIER-BASED DATA TRANSMISSION METHOD AND APPARATUS IN MOBILE COMMUNICATION SYSTEM
    Publication number: 20200220672
    Abstract: A multicarrier-based data transmission method and an apparatus for use in a mobile communication system are provided. A Radio Network Temporary Identity (RNTI) reception method of a terminal in a wireless communication system supporting inter-evolved Node B (eNB) carrier aggregation includes receiving cell information on at least one activated cell under control of an eNB, configuring first and second RNTIs allocated by the eNB, monitoring the at least one activated cell for the first RNTI, and monitoring a primary cell among the at least one activated cell for the second RNTI.
    Type: Application
    Filed: March 23, 2020
    Publication date: July 9, 2020
    Inventors: Soenghun KIM, Gert-Jan VAN LIESHOUT, Youngbum KIM, Aris PAPASAKELLARIOU
  • Transmission of UL control channels with dynamic structures
    Patent number: 10708938
    Abstract: A method of a user equipment (UE) for transmitting acknowledgement information. The method comprises receiving a physical downlink control channel conveying a downlink control information (DCI) format, a physical downlink shared channel conveying one or more data transport blocks scheduled by the DCI format, and configuration information for transmission of a physical uplink control channel (PUCCH) conveying acknowledgement information in response to the reception of the one or more data transport blocks; and transmitting the PUCCH in time-frequency resources within a first slot. An index of the first slot is configured by the DCI format. The time-frequency resources within the first slot are configured by the DCI format through a configuration of an index of a first symbol, a number of consecutive slot symbols, and an index of a first frequency resource block.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Aris Papasakellariou
  • Signaling of control information in a communication system
    Patent number: 10708866
    Abstract: Method and apparatus are provided for determining a power or a number of repetitions for a physical uplink control channel (PUCCH) transmission that includes a number of uplink control information (UCI) bits. A power for the PUCCH transmission is determined based on an adjustment factor that uses different functions depending on the number of UCI bits or based on a type of the UCI bits. A number of repetitions for the PUCCH transmission that is with a spatial filter over a number of symbols is determined from a reference number of repetitions and one or more of a reference number of UCI bits, a reference number of symbols, or a reference spatial filter.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Aris Papasakellariou
  • METHOD AND APPARATUS FOR BEAM MANAGEMENT
    Publication number: 20200212981
    Abstract: Beam measurement and reporting by a user equipment (UE) includes receiving configuration information for a channel state information (CSI) framework from a base station (BS) and identifying reporting settings and resource settings configured for the UE based on the received configuration information. The reporting settings configure a beam measurement and reporting configuration. The resource settings configure one or more reference signal (RS) resources for beam measurement. Each of the RS resources represents a transmit (Tx) beam. The method further includes performing beam measurement based on the identified reporting and resource settings, generating a CSI report based on the identified reporting and resource settings, and transmitting the generated CSI report to the BS.
    Type: Application
    Filed: February 18, 2020
    Publication date: July 2, 2020
    Inventors: Li Guo, Eko Onggosanusi, Md. Saifur Rahman, Aris Papasakellariou
  • Control and data signaling in SC-FDMA communication systems
    Patent number: 10700840
    Abstract: A method for transmitting uplink information by a user equipment in a wireless communication system, the user equipment, a method for receiving uplink information by a base station in a wireless communication system, and the base station are provided. The method for transmitting uplink information by a user equipment in a wireless communication system includes mapping a reference signal on a first symbol in a slot; mapping acknowledgement information in response to reception of downlink data on a second symbol placed directly after the first symbol in the slot; and transmitting a signal including mapped data of the reference signal and the acknowledgement information in the slot.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: June 30, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Aris Papasakellariou, Joon-Young Cho
  • METHOD AND APPARATUS FOR CONTROL RESOURCE SET CONFIGURATION FOR COMMON CONTROL
    Publication number: 20200205138
    Abstract: A user equipment (UE) for receiving control information in a wireless communication system includes a transceiver configured to receive a synchronization signal/physical broadcasting channel (SS/PBCH) block of an index i from a BS, wherein SS/PBCH block comprises a PBCH carrying master information block (MIB). The UE includes a processor configured to for the SS/PBCH block of the index i, determine a slot index no as a sum of an offset value and [i*M]. The offset value is determined based on a first value O determined according to the index indicated in the MIB, wherein the index configures PDCCH monitoring occasions, and a second value ? indicated in the MIB, wherein the second value ? represents a subcarrier spacing configuration, wherein M is a positive number determined according to the index indicated in the MIB, and cause the transceiver to decode a PDCCH in the slot index no.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 25, 2020
    Inventors: Young-Han Nam, Youngbum Kim, Taehyoung Kim, Hongbo Si, Aris Papasakellariou
  • Transmission of scheduling assignments in multiple operating bandwidths
    Patent number: 10694538
    Abstract: Methods and apparatuses are described for wireless communication supporting carrier aggregation. The method includes monitoring, by a user equipment (UE), a downlink control channel in a first search space to receive first control information in the first search space; monitoring, by the UE, a downlink control channel in a second search space to receive second control information in the second search space; and receiving, by the UE, data on a first carrier based on the received first control information or on a second carrier based on the received second control information.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Aris Papasakellariou, Jin-Kyu Han, Joon-Young Cho
  • Partitioning of frequency resources for transmission of control signals and data signals in SC-FDMA communication systems
    Patent number: 10694522
    Abstract: A method for receiving an acknowledgement signal by a base station in a wireless communication system and a base station are provided. The method includes transmitting information associated with transmission of a periodic channel quality indication (CQI) signal in an operating bandwidth; receiving a dynamic acknowledgement signal by using a first frequency resource in response to transmission of a downlink data signal, wherein a resource block (RB) allocated for the dynamic acknowledgement signal is determined based on the transmitted information; and receiving a periodic acknowledgement signal by using a second frequency resource in response to transmission of a downlink data signal, wherein the second frequency resource is allocated between the first frequency resource and a third frequency resource allocated for the periodic CQI signal.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: June 23, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Aris Papasakellariou, Joon-Young Cho
  • Method and apparatus for sequence hopping in single carrier frequency division multiple access (SC-FDMA) communication systems
    Patent number: 10686569
    Abstract: Methods and apparatuses are provided for transmitting and receiving a signal using a sequence in a wireless communication system. The method includes receiving, from a base station, information indicating whether group hopping or sequence hopping for the reference signal is applied or not; transmitting, to the base station, the signal using a first sequence based on a plurality of sequence groups if the group hopping is applied; and transmitting, to the base station, the signal using a second sequence to which the sequence hopping is applied if the sequence hopping is applied and a number of resource blocks allocated for the second sequence is greater than or equal to a predetermined value.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: June 16, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Aris Papasakellariou, Joon-Young Cho
  • Method and apparatus for transmitting and receiving scheduling assignments in a communication system
    Patent number: 10687350
    Abstract: A method and apparatus for receiving a Scheduling Assignment (SA) by a User Equipment (UE) in a communication system in which a base station transmits the SA including at least one Information Element (IE) are described. The method includes receiving the SA; identifying if a first IE included in the received SA is set with a first predetermined value and at least one bit in a second IE included in the received SA is set with a second predetermined value; and performing an action corresponding to a semi-persistent scheduling, if the first IE included in the received SA is set with the first predetermined value and the at least one bit in the second IE included in the received SA is set with the second predetermined value.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: June 16, 2020
    Assignee: Unwired Planet International Limited
    Inventors: Aris Papasakellariou, Soeng Hun Kim, Gert-Jan Van Lieshout
  • COMMUNICATION SUPPORT FOR LOW CAPABILITY DEVICES
    Publication number: 20200187117
    Abstract: A method for receiving downlink control information is provided. The method includes receiving configuration information comprising a bit-map corresponding to a set of time occasions that are separated by a same interval; identifying at least one time occasion to monitor a candidate physical downlink control channel (PDCCH) on at least one search space; and decoding the candidate PDCCH in the identified at least one time occasion for obtaining the downlink control information.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: Aris PAPASAKELLARIOU, Hyoung-Ju Jl, Young-Bum Kim