Patents by Inventor Esa Tiirola

Esa Tiirola 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: 20220078841
    Abstract: In accordance with example embodiments of the invention as disclosed herein there is a method and apparatus to perform at least identifying, by a network node, a need to perform an uplink transmission within a channel occupancy time of radio channel, wherein the network node is scheduled for performing an uplink transmission, and wherein the identifying comprises identifying an energy level of a gap of channel occupancy time of radio when indicated in downlink control information; based on the identifying, setting a duration of a transmission in the channel occupancy time of radio channel; and performing the uplink transmission based on the set duration of the transmission.
    Type: Application
    Filed: December 31, 2019
    Publication date: March 10, 2022
    Inventors: Esa Tiirola, Kari Hooli, Timo Lunttila, Karol Schober
  • Patent number: 11252688
    Abstract: A technique may include determining, by a base station in a wireless network, that the base station was unable to transmit a synchronization signal block for a beam via a beam-specific synchronization signal block position that is associated with the beam; transmitting, by the base station in response to the determining, a synchronization signal block for the beam via a non-beam-specific synchronization signal block position; and transmitting, by the base station, control information indicating the transmitting of the synchronization signal block via the non-beam-specific synchronization signal block position.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: February 15, 2022
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Esa Tiirola, Kari Hooli, Sami-Jukka Hakola
  • Publication number: 20220039155
    Abstract: A method including configuring a first radio beam pair and at least a second radio beam pair to a communication connection, wherein the first radio beam pair includes a first transmission radio beam having a first transmission direction and the second radio beam pair including a second transmission radio beam having a second transmission direction different from the first transmission direction; triggering channel contention to transmit at least one message from the apparatus and performing radio channel sensing for both the first transmission radio beam and the second transmission radio beam during the channel contention; acquiring a transmission opportunity in response to detecting that a radio channel is available for at least one of the first transmission radio beam and the second transmission radio beam; and causing transmission of the at least one message during the transmission opportunity.
    Type: Application
    Filed: September 28, 2018
    Publication date: February 3, 2022
    Inventors: Sami HAKOLA, Esa TIIROLA, Kari HOOLI, Timo KOSKELA
  • Publication number: 20220030627
    Abstract: A method may include, by an apparatus, sensing at least one beam; initiating a channel occupancy time based on the sensing; transmitting at least one first downlink transmission on the at least one beam during the channel occupancy time, wherein the at least one first downlink transmission on the at least one beam triggers at least one first uplink transmission on the at least one beam during the channel occupancy time; receiving the at least one first uplink transmission on the at least one beam during the channel occupancy time; determining interference condition on the at least one beam based on the at least one first uplink transmission; and scheduling at least one second downlink transmission or at least one second uplink transmission on the at least one beam with restriction during a rest of the channel occupancy time when the interference condition meets at least one threshold requirement.
    Type: Application
    Filed: October 11, 2021
    Publication date: January 27, 2022
    Inventors: Kari HOOLI, Esa TIIROLA, Karol SCHOBER, Timo LUNTTILA
  • Patent number: 11191011
    Abstract: Systems, methods, apparatuses, and computer program products for managing or monitoring of the control channel in new radio (NR) through blind searches are provided. One method may include configuring, by a network node, multiple search spaces, sets of search spaces, and/or control resource sets, to a user equipment, that results in monitoring occasions where more blind decodings are required than allowed by capability of the user equipment. The method may further include identifying the monitoring occasions for which an allowed number of blind decodings is exceeded, determining a reduced set of blind decodings and/or candidates determined by predefined search space priorities or rules, and transmitting physical downlink control channel(s) to the user equipment given the reduced set.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: November 30, 2021
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Esa Tiirola, Volker Braun, Karol Schober
  • Publication number: 20210352633
    Abstract: Embodiments of the present disclosure relate to methods, devices and computer readable mediums for downlink control of unlicensed sub-bands. The method comprises determining a search space configuration associated with control resources on a plurality of sub-bands which are unlicensed, the search space configuration indicating candidates for detection of downlink control information for the plurality of sub-bands; determining, from the search space configuration, positions of the candidates on the control resources within each of the plurality of sub-bands; mapping an available number of candidates to the determined positions based on a transmission bandwidth assumed by a terminal device; and transmitting downlink control information to the terminal device on the mapped candidates.
    Type: Application
    Filed: September 27, 2018
    Publication date: November 11, 2021
    Inventors: Esa TIIROLA, Karol SCHOBER, Jari MUSTÄJARVI, Tao TAO
  • Publication number: 20210345322
    Abstract: A method comprises receiving resource configuration from at least one of a parent node and donor node. The resource configuration comprises information defining at least one resource type for a plurality of links for at least one time and at least one resource. The method comprises allocating, in dependence on the resource configuration, the at least one resource for said at least one time to at least one link of the plurality of links, the at least one link being with one or more child nodes.
    Type: Application
    Filed: September 27, 2018
    Publication date: November 4, 2021
    Inventors: Esa Tiirola, Ilkka Keskitalo
  • Publication number: 20210321392
    Abstract: Solutions for determining a resource for transmitting/detecting an uplink (UL) control signal are proposed. For example, a method includes receiving a physical resource configuration and/or an assigned resource indicator for transmitting the UL control signal, wherein the physical resource configuration indicates a plurality of resources in frequency domain. The method also includes determining a resource based on the received physical resource configuration and/or the assigned resource indicator; and adjusting the determined resource for transmitting the UL control signal based on at least one of an outcome of downlink (DL) listen before talk (LBT) performed prior to the transmission of the UL control signal, an outcome of UL LBT performed prior to the transmission of the UL control signal, and a time gap between the UL LBT and the transmission of the UL control signal.
    Type: Application
    Filed: January 2, 2020
    Publication date: October 14, 2021
    Inventors: Kari Hooli, Esa Tiirola, Timo Lunttila, Karol Schober
  • Patent number: 11146429
    Abstract: A technique, including transmitting data and/or control information; and transmitting common phase error and/or inter carrier interference correction reference signal, wherein said common phase error and/or inter carrier interference correction reference signal occupies a variable amount of radio resources.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: October 12, 2021
    Assignee: NOKIA TECHNOLOGIES OY
    Inventors: Kari Pajukoski, Sami Hakola, Esa Tiirola
  • Publication number: 20210289495
    Abstract: Systems, methods, apparatuses, and computer program products for the synchronization and timing of IAB nodes are provided. One method may include determining, at a parent node, a resource configuration and using the determined resource configuration to set a timing advance (TA) mode with two offsets comprising a first offset to be used with time division multiplexing (TDM) and a second offset to be used with at least one of spatial division multiplexing (SDM) or frequency division multiplexing (FDM). The method may also include transmitting a command, to an integrated access and backhaul (IAB) node, to start adjusting mobile termination (MT) uplink (UL) transmission (Tx) timing based on the resource configuration and the timing advance (TA).
    Type: Application
    Filed: February 10, 2021
    Publication date: September 16, 2021
    Inventors: Juha S. Korhonen, Keeth Saliya Jayasinghe Laddu, Ilkka Keskitalo, Esa Tiirola
  • Publication number: 20210250797
    Abstract: According to a first embodiment, a method may include receiving, by a user equipment, a configuration for determining one or more antenna panel-wise cross-link interference measurements from a network entity configured to receive one or more downlink spatial directions. The method may further include calculating, by the user equipment, one or more interference estimates of UL interfering signals and related cross-link interference powers from the network entity. The method may further include transmitting, by the used equipment, one or more interference measurements based upon the configured flexible UL-to-DL cross-link specific resource configuration to the network entity.
    Type: Application
    Filed: April 17, 2019
    Publication date: August 12, 2021
    Inventors: Juha Karjalainen, Esa Tiirola, Ilkka Keskitalo, Juha Korhonen
  • Publication number: 20210250941
    Abstract: Solutions for resource allocation are proposed. In an embodiment, a method comprises: obtaining a first resource configuration for at least one time domain resource, the first resource configuration indicating a first resource type for a first function part of an apparatus; obtaining a second resource configuration for the at least one time domain resource, the second resource configuration indicating a second resource type for a second function part of the apparatus; and determining an operation mode for the apparatus for the at least one time resource, based on a predefined rule, the first resource configuration and the second resource configuration.
    Type: Application
    Filed: December 30, 2019
    Publication date: August 12, 2021
    Inventors: Esa Tiirola, Keeth Saliya Jayasinghe Laddu, llkka Keskitalo
  • Publication number: 20210219279
    Abstract: One embodiment is directed to a method comprising generating at least one symbol of a subframe for control information based on a first subcarrier spacing; generating at least one data symbol of the subframe based on a second subcarrier spacing; and transmitting the subframe comprising the at least one symbol for control information and at least one data symbol. Another embodiment is directed to a method comprising receiving a subframe comprising at least one symbol for control information and at least one data symbol; decoding the at least one symbol for control information based on a first subcarrier spacing; and obtaining from the decoded at least one symbol information regarding a second subcarrier spacing used on the at least one data symbol.
    Type: Application
    Filed: February 22, 2021
    Publication date: July 15, 2021
    Inventors: Kari Pajukoski, Esa Tiirola, Sami-Jukka Hakola
  • Publication number: 20210184813
    Abstract: Various communication systems may benefit from allocation of candidates for a channel. For example, some new radio communication systems may benefit from hashing for allocation of control channel candidates. A method can include applying a hashing function for associating a plurality of decoding candidates of a search space set with subsets of control channel elements of a control resource set, and using the decoding candidate for scheduling of a user equipment in a control channel, wherein the hashing function is non-uniform in a pseudo-random manner and with one candidate per subband. The method can also include scheduling the user equipment based on the applied hashing function.
    Type: Application
    Filed: November 16, 2018
    Publication date: June 17, 2021
    Inventors: Volker BRAUN, Esa TIIROLA, Karol SCHOBER, Klaus HUGL
  • Publication number: 20210176099
    Abstract: Described are methods for dealing with phase noise, e.g., common phase error and/or inter-carrier interference, in communication systems, and apparatuses for the same. A method can include at least: transmitting one or more reference signals (in-band signals within a channel); and mapping the reference signals to radio resources in the channel for transmission of the reference signals. An amount of the radio resources may depend on, e.g., information about a modulation and coding scheme used for transmission. An associated method can include at least: receiving one or more reference signals, and mapping the reference signals to radio resources in the channel for reception of the reference signals; receiving information about a modulation and coding scheme to be used, an amount of the radio resources depending on, e.g., information about the modulation and coding scheme used for reception; and using the reference signals to compensate for phase noise.
    Type: Application
    Filed: February 19, 2021
    Publication date: June 10, 2021
    Inventors: Kari Pajukoski, Sami Hakola, Esa Tiirola
  • Publication number: 20210176670
    Abstract: A technique includes sending, by a relay node to a candidate base station via a base station-to-base station connection, a request for transmission of reference signals, wherein the base station-to-base station connection includes, at least in part, a wireless connection; receiving, by the relay node from the candidate base station, a reference signal configuration; and measuring one or more signal parameters of one or more received reference signals based on the received reference signal configuration.
    Type: Application
    Filed: November 16, 2018
    Publication date: June 10, 2021
    Inventors: Ilkka KESKITALO, Esa TIIROLA
  • Patent number: 10999846
    Abstract: A method, apparatus, and computer program product where a UE receives a RACH configuration, comprising time/frequency resources for each RACH Preamble and a corresponding Msg1 Data Part. The UE selects the RACH preamble, transmits the selected RACH preamble, and ascertains whether the selected RACH preamble is associated with a 2-step RA procedure. The UE determines at least one resource for Msg1 Data Part based on the selected RACH preamble. The UE performs a LBT preceding the Msg1 Data Part at a predetermined point in time and transmits the Msg1 Data Part provided that the channel is unoccupied based on the LBT. Likewise, a gNB sending a RACH configuration to the UE, receiving a RACH preamble back, ascertaining that RACH preamble is associated with a 2-step RACH procedure, and determining at least one resource for Msg1 Data Part based on the received RACH preamble.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: May 4, 2021
    Assignee: Nokia Technologies Oy
    Inventors: Timo Lunttila, Esa Tiirola, Kari Hooli
  • Publication number: 20210112552
    Abstract: An apparatus of a communications network system provides (S11) a bandwidth part with a subcarrier spacing of 3.75*2M kHz, M being a value of 0 or 1, determines (S12) a resource allocation granularity for the bandwidth part, and performs (S13) resource allocation of allocating resource blocks of the bandwidth part based on the determined resource allocation granularity.
    Type: Application
    Filed: April 18, 2018
    Publication date: April 15, 2021
    Inventors: Esa Tiirola, Kari Pajukoski
  • Publication number: 20210076418
    Abstract: According to an aspect of the present disclosure, a method includes transmitting, by a network entity, at least one downlink control signal to a user equipment. The downlink control signal comprises a current slot format indicator and a further indicator. The current slot format indicator indicates at least one slot format combination. The further indicator comprises one or more of: at least one offset, at least one applicability indication, at least one next slot format indicator, and at least one indication of at least one channel occupancy time ending.
    Type: Application
    Filed: January 2, 2020
    Publication date: March 11, 2021
    Inventors: Karol Schober, Kari Hooli, Esa Tiirola, Timo Lunttila
  • Patent number: 10939418
    Abstract: One embodiment is directed to a method comprising generating at least one symbol of a subframe for control information based on a first subcarrier spacing; generating at least one data symbol of the subframe based on a second subcarrier spacing; and transmitting the subframe comprising the at least one symbol for control information and at least one data symbol. Another embodiment is directed to a method comprising receiving a subframe comprising at least one symbol for control information and at least one data symbol; decoding the at least one symbol for control information based on a first subcarrier spacing; and obtaining from the decoded at least one symbol information regarding a second subcarrier spacing used on the at least one data symbol.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: March 2, 2021
    Assignee: Nokia Technologies Oy
    Inventors: Kari Pajukoski, Esa Tiirola, Sami-Jukka Hakola