Patents by Inventor Keeth Saliya JAYASINGHE

Keeth Saliya JAYASINGHE 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: 20240155329
    Abstract: Disclosed is a method comprising receiving, from a terminal device, a report indicating capability of the terminal device to detect radio parameters, wherein the report comprises at least one of the following: a first set of radio parameters, a second set of radio parameters and a third set of radio parameters, and wherein the terminal device is capable to determine first set of radio parameters in a complete manner, determine the second set of radio parameters in the complete manner when at least one of the following assistance information, a first configuration or an indication related to the radio parameters is available, and determine the third set of radio parameters in the complete manner when a second configuration related to detecting the radio parameters is available at least during an initial configuration for receiving the downlink channel transmission or for a pre-determined time period, and the third set of radio parameters follow, at least substantially, the behavior of the first and the second
    Type: Application
    Filed: October 26, 2023
    Publication date: May 9, 2024
    Inventors: Keeth Saliya Jayasinghe LADDU, Dani Johannes KORPI, Mihai ENESCU, Amaanat ALI
  • Publication number: 20240155508
    Abstract: Disclosed is a method comprising identifying or detecting, by a terminal device, at least two simultaneous uplink transmissions from the terminal device, wherein the at least two simultaneous uplink transmissions are at least partially overlapping in time on a same cell or component carrier; generating, by the terminal device, a single power headroom report (PHR) for the at least two simultaneous uplink transmissions using one uplink transmission of the at least two simultaneous uplink transmissions; and transmitting, by the terminal device and to a network node, the single PHR.
    Type: Application
    Filed: September 29, 2023
    Publication date: May 9, 2024
    Inventors: Matha DEGHEL, Keeth Saliya Jayasinghe LADDU
  • Patent number: 11979213
    Abstract: Systems, methods, apparatuses, and computer program products for channel state information (CSI) configuration and reporting for multi-transmission reception point (TRP) operation are provided. One method may include configuring a user equipment (UE), by a network node, to provide independent channel state information (CSI) feedback per transmission reception point (TRP) and to indicate additional information. The configuring of the UE may include configuring the UE with at least one of several reporting options for generating a combined channel state information (CSI) report.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: May 7, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Youngsoo Yuk, Keeth Saliya Jayasinghe Laddu, Nitin Mangalvedhe
  • Publication number: 20240146485
    Abstract: Systems, methods, apparatuses, and computer program products for configuration and transmission of a channel state information reference signal (CSI-RS). A method may include forwarding, to a network element, synchronization signal block measurements of a target cell along with synchronization signal block indices. The method may also include requesting the network element to provide a channel state information reference signal configuration for a channel state information reference signal index whose source reference signal corresponds to at least one of the synchronization signal block indices. The method may further include receiving the channel state information reference signal configuration from the network element. In addition, the method may include transmitting the channel state information reference signal configuration to a user equipment.
    Type: Application
    Filed: November 2, 2022
    Publication date: May 2, 2024
    Inventors: Ahmad AWADA, Panagiotis SPAPIS, Umur KARABULUT, Sanjay GOYAL, Timo KOSKELA, Keeth Saliya JAYASINGHE LADDU
  • Patent number: 11973593
    Abstract: Various communication systems may benefit from suitable coding schemes. For example, certain wireless communication systems may benefit from using low density parity check and other reliability mechanisms. A method can include communicating at least one transport block for ultra-reliable low-latency communications between a sending device and a receiving device. The transport block can be coded using a base graph according to one of the following three options: using only low density parity check base graph #2; using only low density parity check base graph #2 and truncated low density parity check base graph #1; or using low density parity check base graph #2, truncated low density parity check base graph #1, and low density parity check base graph #3.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: April 30, 2024
    Assignee: Nokia Technologies Oy
    Inventor: Keeth Saliya Jayasinghe Laddu
  • Patent number: 11968647
    Abstract: Certain example embodiments provide systems, methods, apparatuses, and computer program products for facilitating downlink control information (DCI) repetition on linked physical downlink control channel (PDCCH) candidates of different search space sets. For example, certain embodiments may provide a procedure for a network node or a user equipment (UE) to determine a set of PDCCH candidates for determining starting time and ending time instances for the PDCCH transmission utilizing the repetition of the DCI.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: April 23, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Sami-Jukka Hakola, Keeth Saliya Jayasinghe Laddu, Matha Deghel
  • Patent number: 11968006
    Abstract: Systems, methods, apparatuses, and computer program products for physical layer security by pseudo-random layer mapping.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 23, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Philippe Sehier, Keeth Saliya Jayasinghe Laddu, Luca Rose, Fanny Jardel
  • Publication number: 20240129772
    Abstract: According to an example aspect of the present disclosure, there is provided a method comprising determining, by a user equipment, that the user equipment is configured or activated with at least two Transmission Configuration Indication, TCI, states for one control resource set, with at least two linked search space sets and one TCI state for each of the linked search space sets or with at least two TCI states for Physical Downlink Shared Channel, PDSCH, reception, wherein the at least two TCI states comprise a first TCI state and a second TCI state, determining, by the user equipment, that a downlink reference signal indicated by the first TCI state is to be included to a first set of Beam Failure Detection, BFD, resources and a downlink reference signal indicated by the second TCI state is to be included to a second set of BFD resources and including, by the user equipment, the downlink reference signal indicated by the first TCI state to the first set of BFD resources and the downlink reference signal indi
    Type: Application
    Filed: April 1, 2021
    Publication date: April 18, 2024
    Inventors: Keeth Saliya Jayasinghe LADDU, Timo KOSKELA
  • Publication number: 20240121759
    Abstract: An apparatus comprising: means for implementing a first component configured to provide a backhaul connection to a parent node of a network; means for implementing a second component configured to provide a backhaul connection to a child node of a network and/or to an access link to a user equipment (UE); means for receiving a plurality of code blocks (CB) of a transport block (TB) arranged in a first time domain resource allocation from the parent node; means for decoding at least a first subset of code blocks; and means for transmitting at least the first subset of code blocks of the transport block at a second time domain resource allocation to the child node or the UE, wherein the number of code blocks in the first subset is configured to be determined at least based on a processing time for decoding the first set of code blocks or a latency target of the plurality of code blocks of the transport block or channel quality parameters of the link.
    Type: Application
    Filed: February 11, 2022
    Publication date: April 11, 2024
    Inventor: Keeth Saliya Jayasinghe LADDU
  • Publication number: 20240114471
    Abstract: According to various, but not necessarily all, examples there is provided an apparatus performing a first uplink transmission with a first timing advance and a second uplink transmission with a second timing advance. The first uplink transmission is associated with a first identifier and the second uplink transmission is associated with a second identifier. The apparatus further receives instructions for switching the second identifier to a third identifier, wherein the third identifier is associated with a third uplink transmission. The apparatus further performs at least one of: configuring the third uplink transmission to be associated with the second timing advance or an updated second timing advance or a third timing advance, or dropping the third uplink transmission.
    Type: Application
    Filed: September 1, 2023
    Publication date: April 4, 2024
    Inventors: Matha DEGHEL, Keeth Saliya Jayasinghe Laddu
  • Publication number: 20240113825
    Abstract: Embodiments of the present disclosure relate to methods and apparatuses for sounding reference signal transmission. According to some embodiments, an apparatus is caused at least to: receive, from a network device sounding reference signal (SRS) configuration comprising one or more SRS resource sets; receive, from the network device, a message comprising an indication of which one of the one or more SRS resource sets is configured or enabled to follow or not follow corresponding one or more indicated transmission configuration indication (TCI) states from an activated TCI list for the apparatus; and transmit, to the network device, an SRS based on the indication. In this way, SRS resource sets may be dynamically detached to not follow specific TCI state and used for sounding the uplink channel in an efficient manner.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 4, 2024
    Inventors: Timo KOSKELA, Sami-Jukka HAKOLA, Juha Pekka KARJALAINEN, Keeth Saliya Jayasinghe LADDU
  • Publication number: 20240098742
    Abstract: Systems, methods, apparatuses, and/or computer program products for dynamically switching between or determining whether to apply single-TRP mode and/or multiple-TRP mode are provided. One method may include receiving, at a user equipment, configuration information indicating that multi-transmission reception point (TRP) physical uplink control channel (PUCCH) scheme could be applicable, and determining, at the user equipment, whether to apply the multi-TRP PUCCH scheme or a single-TRP PUCCH scheme for an uplink control information (UCI) transmission on a determined PUCCH resource.
    Type: Application
    Filed: December 20, 2021
    Publication date: March 21, 2024
    Inventors: Matha DEGHEL, Keeth Saliya Jayasinghe LADDU, Youngsoo YUK
  • Publication number: 20240098543
    Abstract: Embodiments of the present disclosure disclose devices, methods and apparatuses for a beam reporting. A terminal device receives a beam reporting configuration from a network device. The beam reporting configuration indicates at least one set of beams for at least one of beam measurements or beam predictions. Each beam of at least one set of beams is associated with a cell of multiple cells which are able to be measured by the terminal device. Then, the terminal device performs a reporting of at least one beam associated with the at least one set of beams based on the beam reporting configuration. The at least one beam comprises a predicted beam which is associated to a cell of multiple cells.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 21, 2024
    Inventors: Keeth Saliya Jayasinghe LADDU, Qiping ZHU, Andrea BONFANTE
  • Publication number: 20240073891
    Abstract: An apparatus comprising means for: receiving at least one configuration message; determining at least a first uplink resource associating to a first configured grant configuration and a second uplink resource associating to a second configured grant configuration based on the at least one configuration message; generating a transport block; transmitting the transport block on the first uplink resource associating to the first configured grant configuration via a first channel; transmitting the transport block on the second uplink resource associating to the second configured grant configuration via a second channel, wherein the first configured grant configuration is different to the second configured grant configuration, and wherein the first channel is different to the second channel.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 29, 2024
    Inventors: Matha DEGHEL, Ping-Heng KUO, Keeth Saliya Jayasinghe LADDU, Youngsoo YUK
  • Patent number: 11917589
    Abstract: In accordance with some embodiments, a method may include configuring, by a user equipment, at least a first transmission configuration index (TCI), a second TCI, and at least two non-overlapping frequency resource regions in a single time domain resource. The first TCI may be associated with at least one non-overlapped frequency resource region. The second TCI may be associated with at least one non-overlapped frequency resource region which not assigned to the first TCI. At least one association of a state of the first TCI, a state of the second TCI, and the at least one non-overlapping resource region may be changed in a next time domain repetition instance.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: February 27, 2024
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Keeth Saliya Jayasinghe Laddu, Yuk Youngsoo
  • Publication number: 20240057112
    Abstract: Systems, methods, apparatuses, and computer program products for enabling dynamic switching between multi-transmission reception point (multi-TRP) and single-transmission reception point (single-TRP). A method may include receiving a first indication in a downlink control information or a medium access control control element. The method may further include determining, at a user equipment, whether to apply a multi-transmission reception point physical uplink shared channel scheme or a single-transmission reception point physical uplink shared channel scheme for transmitting a transport block based on the first indication. In addition, the method may include interpreting at least one downlink control information field differently depending on whether it is determined that the single-transmission reception point physical uplink shared channel scheme or the multi-transmission reception point physical uplink shared channel scheme is applicable.
    Type: Application
    Filed: December 16, 2021
    Publication date: February 15, 2024
    Inventors: Matha DEGHEL, Keeth Saliya Jayasinghe LADDU, Youngsoo YUK
  • Publication number: 20240056990
    Abstract: Disclosed is a method comprising receiving a configuration from a base station, wherein the configuration comprises at least a first subset of power control parameters and a second subset of power control parameters. The first subset of power control parameters and the second subset of power control parameters are assigned to a physical uplink control channel resource. Uplink control information is transmitted or repeated at least to a first transmission reception point and to a second transmission reception point using the physical uplink control channel resource, wherein the first subset of power control parameters is used for transmitting or repeating to the first transmission reception point, and the second subset of power control parameters is used for transmitting or repeating to the second transmission reception point.
    Type: Application
    Filed: January 11, 2021
    Publication date: February 15, 2024
    Inventors: Matha DEGHEL, Keeth Saliya JAYASINGHE LADDU, Youngsoo YUK
  • Publication number: 20240057161
    Abstract: Various example embodiments relate to channel measurement and reporting. A user equipment may obtain an association between one or more transmission-reception points and one or more groups of resources for channel measurement. The user equipment may receive, from a network node, an indication indicating muting or unmuting of at least one of the one or more transmission-reception points. The user equipment may determine, based at least partly on the association and the received indication, one or more sets of the resources to be measured.
    Type: Application
    Filed: July 18, 2023
    Publication date: February 15, 2024
    Inventors: Matha DEGHEL, Filippo TOSATO, Mihai ENESCU, Keeth Saliya Jayasinghe LADDU
  • Publication number: 20240048219
    Abstract: There is provided an apparatus comprising at least one processor and at least one memory storing instructions. When the instructions are executed by the at least one processor, the apparatus is caused to perform determining a first beam and a second beam for receiving at least one data packet from an access node of a network. The apparatus is further caused to perform receiving, from the access node, a re-transmission of the at least one data packet using the second beam when reception of the at least one data packet from the access node has failed using the first beam.
    Type: Application
    Filed: July 20, 2023
    Publication date: February 8, 2024
    Inventors: Teemu Mikael VEIJALAINEN, Kalle Petteri KELA, Keeth Saliya Jayasinghe LADDU
  • Patent number: 11895673
    Abstract: An method includes determining to perform inter-cell multi-downlink control information (multi-DCI) based multi-transmission reception point (multi-TRP) operation for a user device based on the following: receiving, by the user device from a network node, transmission configuration index (TCI) states for a plurality of control resource sets (CORESETS), wherein the TCI states for the plurality of CORESETs are associated with a plurality of cells having different physical cell identities (PCIs) or associated with a plurality of cell groups; and determining, by the user device, that at least one of the following conditions is present: 1) a multi-DCI based multi-TRP-related high layer parameter has been configured to the user device; 2) a default mode of multi-TRP operation has been configured to the user device; or 3) the user device has received control information indicating physical downlink shared channel (PDSCH) TCI state activations corresponding to two different CORESETPoolIndex values; and, performing in
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: February 6, 2024
    Assignee: Nokia Technologies Oy
    Inventors: Keeth Saliya Jayasinghe Laddu, Timo Koskela