Patents by Inventor Iana Siomina

Iana Siomina 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: 20210105646
    Abstract: Method, performed by a second network node (112), for handling a second configuration for second measurements to be performed by a wireless device (130). The second network node (112) determines (503) whether to configure the wireless device (130) with the second configuration. The second configuration is to configure the wireless device (130) with second measurement gaps to perform second measurements on a first or a second carrier. The determining (503) is based on at least one of: i) a first status of the first carrier, and ii) whether or not the wireless device (130) is configured with a first configuration by a first network node (111). The first configuration is to configure the wireless device (130) with first measurement gaps to perform first measurements on the first carrier. The second network node (112) also initiates (504) providing a first indication based on a first result of the determination.
    Type: Application
    Filed: March 28, 2018
    Publication date: April 8, 2021
    Inventors: Iana Siomina, Icaro L. J. da Silva, Muhammad Kazmi
  • Patent number: 10959205
    Abstract: Techniques for systems in which a measuring node is associated with multiple antenna, including techniques for selecting and configuring the set of receiving antennas suitable for performing uplink measurements for a given wireless device. An example method, as implemented by a network node, is for controlling measurements of radio signals transmitted by a wireless device, where the measurements are performed by a measuring node associated with two or more receiving points. The example method begins with obtaining a receiving point configuration for at least one measuring node associated with two or more receiving points, and continues with selecting one or more receiving points for performing measurements, based on the obtained configuration. The selected receiving points are then configured for performing the measurements.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: March 23, 2021
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventor: Iana Siomina
  • Patent number: 10952167
    Abstract: Methods and Devices for performing a device-to-device, D2D, operation are disclosed. A first reference timing for each of two or more non-terrestrial synchronization sources is obtained. Further a second reference timing of a terrestrial synchronization source is obtained. One of the non-terrestrial synchronization sources is determined based on a comparison between the first reference timings and the second reference timing, and the D2D operation is performed using the first reference timing of the determined non-terrestrial synchronization source.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: March 16, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Muhammad Kazmi, Iana Siomina, Santhan Thangarasa
  • Patent number: 10945122
    Abstract: A wireless communication device (330) and method therein for performing positioning related measurement during idle mode in a wireless communication networks (300) are disclosed. The wireless communication device (330) is capable of wireless communication with at least a first network node (320) in a first cell (310). The wireless communication device (330) obtains information on a specific configuration associated with positioning measurements to be performed in idle mode. The wireless communication device (330) performs positioning related measurements based on the obtained information and provides (430) the positioning related measurements to the first network node.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: March 9, 2021
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Fredrik Gunnarsson, Iana Siomina, Martin van der Zee
  • Patent number: 10939314
    Abstract: Embodiments herein relate to a method performed by a wireless device (10) for enabling the wireless device (10) to perform RLM of a cell (11) of a network node (12) in a wireless communication network (1). The wireless device (10) sends to a network node (12) serving the wireless device (10), e.g. the network node providing the cell, an indication indicating at least one recommended repetition level and/or recommended aggregation level, of at least one radio signal and/or control channel.
    Type: Grant
    Filed: October 2, 2017
    Date of Patent: March 2, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Santhan Thangarasa, Muhammad Kazmi, Iana Siomina, Kazuyoshi Uesaka
  • Patent number: 10912023
    Abstract: According to certain embodiments, a method for activating and deactivating multiple secondary cells (150A-B) includes receiving a first message requesting activation or deactivation of a first secondary cell (first SCell) (150A) for a first carrier. In response to the first message, a first procedure is initiated to activate or deactivate the first SCell (150A). The wireless device (110A) may have a first delay period (Tactivate_basic) within which to complete the first procedure. While performing the first procedure to activate or deactivate the first SCell (150A), a second message to activate, deactivate, configure or deconfigure a second SCell (150B) for a second carrier is received.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: February 2, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (PUBL)
    Inventors: Muhammad Kazmi, Christopher Callender, Iana Siomina
  • Publication number: 20210029573
    Abstract: A wireless device adapted for operation according to two or more radio access technologies, RATs, obtains positioning reference signal configuration information by sending (602), to a location server, a request for assistance, the request for assistance comprising information about a cell serving the wireless device according to a first RAT. The wireless device receives (604), in response to the request for assistance, positioning reference signal configuration information, the positioning reference signal configuration information identifying one or more signals transmitted according to a second RAT, for measurement by the wireless device. The wireless device measures (606) at least one of the identified one or more signals and may report the measurements and/or estimate a location for the wireless device based on the measurements.
    Type: Application
    Filed: October 8, 2020
    Publication date: January 28, 2021
    Inventors: Iana Siomina, Fredrik Gunnarsson
  • Publication number: 20210025960
    Abstract: Systems and methods for configuring and generating Narrowband Positioning Reference Signals (NPRS) for NB-IoT are provided. A network node provides (NPRS) configuration information indicating a system frame number (SFN) dependent resource mapping. A wireless device obtains a NPRS in accordance with the indicated SFN dependent resource mapping and uses it to perform a radio measurement operation.
    Type: Application
    Filed: April 5, 2019
    Publication date: January 28, 2021
    Inventors: Henrik Rydén, Sara Modarres Razavi, Iana Siomina, Johannes Nygren, Yutao Sui
  • Publication number: 20210014751
    Abstract: Embodiments include methods performed by a user equipment, UE, to schedule a plurality of measurement activities in a wireless network. Such embodiments include obtaining a measurement configuration (e.g., from a network node) relating to first and second groups of measurements, and a gap-sharing ratio between the first and second groups of measurements. Such embodiments also include selecting an analysis period for a measurement schedule, and determining, over the analysis period, measurement load information related to each of the first and second groups within one or more measurement gaps comprising the analysis period. Such embodiments also include determining, based on the measurement load information and the gap-sharing ratio, a measurement schedule for the first and second groups of measurements. Some embodiments include performing measurements according to the determined schedule.
    Type: Application
    Filed: April 4, 2019
    Publication date: January 14, 2021
    Inventors: Christopher Callender, Joakim Axmon, Muhammad Kazmi, Iana Siomina
  • Publication number: 20210014752
    Abstract: Embodiments includes methods performed by a user equipment, LT, to schedule a plurality of mutually-exclusive repetitive measurement activities in a wireless network. Such embodiments include receiving, from a network node serving the UE, a measurement configuration comprising: least one measurement timing configuration for each of a plurality of mutually exclusive repetitive measurement activities; and identification of a measurement gap pattern for performing the measurement activities. Such embodiments also include selecting an analysis period for a measurement schedule, and determining, over the analysis period, measurement load information related to the measurement configuration. Such embodiments also include determining, based on the measurement load information, a measurement time scaling factor and a scaled measurement time for each measurement activity. Some embodiments include determining a measurement schedule and/or performing measurements based on the scaled measurement time.
    Type: Application
    Filed: April 4, 2019
    Publication date: January 14, 2021
    Inventors: Joakim Axmon, Christopher Callender, Muhammad Kazmi, Iana Siomina
  • Patent number: 10890646
    Abstract: Embodiments of the disclosure provide methods and apparatus for positioning in a wireless network. One embodiment provides a method, performed by a target device, for enabling detection of a narrowband positioning reference signal, NPRS, location in a radio frame. The method includes: obtaining, from a location server, assistance data related to a neighbour cell in a reference and neighbour cell list. The assistance data incudes timing offset information for the neighbour cell; determining a time of a NPRS subframe for the neighbour cell and/or NPRS sequence based on the timing offset information; measuring a positioning reference signal (PRS) based on the determined time; and reporting the measured PRS to the location server.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: January 12, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Xingqin Lin, Fredrik Gunnarsson, Olof Liberg, Sara Modarres Razavi, Henrik Rydén, Iana Siomina
  • Patent number: 10893487
    Abstract: Two or more formats for Power Headroom (PH) and maximum transmit power (Pcmax), and corresponding mapping tables, are defined. For example, both 6-bit and 7-bit PH and Pcmax formats are defined. In many cases, particularly when operating in the higher frequency FR2 range, a 7-bit PH or Pcmax may be required to adequately convey power headroom information. Numerous trigger criteria are defined which may indicate that one or the other format is preferred. The format selection must be communicated to the network, and subsequent Power Headroom Reports (PHR) will utilize the selected format.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: January 12, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Min Wang, Mats Folke, Jose Luis Pradas, Iana Siomina
  • Patent number: 10893428
    Abstract: Embodiments described herein are directed to methods for adaptively configuring a measurement period in a user equipment or another network node. The measurement period can be determined based at least in part on an assessment of one or more conditions, wherein each of the measurement periods is associated with at least one condition. The determined measurement period can be used for performing and/or reporting one or more measurements. According to certain embodiments, the measurement period may be adapted by maintaining concurrently two or more measurement filters with different measurement periods and then selecting the appropriate one, based on a condition assessment result.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: January 12, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Christopher Callender, Iana Siomina
  • Patent number: 10887913
    Abstract: A wireless device is configured to operate in at least a first serving cell on a first carrier, and a first downlink message requests that a second serving cell on a second carrier be added or released. In response to the first downlink message, the second serving cell on the second carrier is added or released. Within a time period starting from the time resource, wireless device transmits, on the second serving cell, a first uplink message indicating completion of the addition or release of the second serving cell. The time period starting from the time reserving source is of a length that is a function of at least one parameter related to a clear channel assessment (CCA) procedure.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: January 5, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Muhammad Kazmi, Iana Siomina
  • Patent number: 10856161
    Abstract: A measuring node, a controlling node and methods for controlling and/or using lean carrier operation with configurable control channel monitoring are disclosed. The method includes determining a presence of at least one user equipment operating based on a configurable control channel monitoring, and controlling a bandwidth based on the determining the presence of at least one user equipment operating based on a configurable control channel monitoring.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: December 1, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Iana Siomina, Muhammad Kazmi
  • Publication number: 20200374727
    Abstract: Systems, methods, and apparatus for performing measurement configuration using a user equipment, UE, and a network node are disclosed. An example method performed by a UE includes receiving a measurement configuration from a network node, where the measurement configuration specifies a reference frequency corresponding to a set of one or more carriers. The measurement configuration further specifies an offset from the reference frequency. The UE performs measurements on a reference signal located at the offset from the reference frequency and uses the measurements for one or more radio operations.
    Type: Application
    Filed: August 10, 2018
    Publication date: November 26, 2020
    Inventors: Icaro L. J. DA SILVA, Muhammad KAZMI, Helka-Liina MÄÄTTANEN, Iana SIOMINA
  • Publication number: 20200367234
    Abstract: Methods and systems for signaling Supplementary Activity Configuration (SAC) for lean carrier operation are provided. According to one aspect, a method performed by a wireless device for lean carrier operation during which Cell-specific Reference Signals (CRSs) are transmitted by a base station using a reduced bandwidth during an inactive time of a Discontinuous Reception (DRX) mode of operation excluding a Warm Up (WU) period that occurs immediately before a DRX active time and a Cool Down (CD) period that occurs immediately after a DRX active time, comprises: determining a number M of subframes to comprise a WU period; determining a number N of subframes to comprise a CD period; and transmitting an indication of the determined numbers M and N to a base station currently serving the wireless device.
    Type: Application
    Filed: February 15, 2019
    Publication date: November 19, 2020
    Inventors: Mattias BERGSTRÖM, Muhammad KAZMI, Santhan THANGARASA, Iana SIOMINA
  • Publication number: 20200366450
    Abstract: Embodiments herein relate, in some examples, to a method performed by a wireless device (10) for handling communication of the wireless device (10) in a multicarrier operation in a wireless communication network (1), wherein the wireless device (10) is configured with a discontinuous reception cycle and is served by a first serving cell and is served or expected to be served by a secondary serving cell. The secondary serving cell is provided on a lean carrier wherein reference signals are transmitted with a bandwidth that is variable between a first bandwidth and a second bandwidth, wherein the second bandwidth is narrower than the first bandwidth. The wireless device receives on the secondary serving cell, one or more reference signals assumed by the wireless device (10) to have been transmitted on the secondary serving cell over the second bandwidth.
    Type: Application
    Filed: August 13, 2018
    Publication date: November 19, 2020
    Inventors: Muhammad Kazmi, Iana Siomina
  • Patent number: 10841051
    Abstract: Methods, systems and devices for communicating via signaling are described. The system or device determines at least one first numerology and at least one second numerology used for communicating radio signals in a first cell and a second cell, respectively, wherein the at least one first numerology and the at least one second numerology include one or more parameters which define the radio signals in terms of time and frequency. The system or device obtains, based on at least one of the numerologies, a threshold related to at least one signal interruption performance metric. The system or device monitors or maintains a signal interruption performance on the first cell relative to the threshold.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: November 17, 2020
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Muhammad Kazmi, Iana Siomina
  • Publication number: 20200359241
    Abstract: A method for performing radio link monitoring comprises performing, by a user equipment (UE), a radio link monitoring (RLM) procedure with first RLM parameters; receiving, at the UE, a message including at least one second RLM parameter; identifying, by the UE, a difference between the first RLM parameters and the at least one second RLM parameter; and resetting, at the UE, at least one of the first RLM parameters in response to identifying the difference between the first RLM parameters and the at least one second RLM parameter. The method may configure the UE upon performing RLM by adapting the difference between the current RLM parameters and the future parameters, so that the UE behavior may become clear.
    Type: Application
    Filed: November 16, 2018
    Publication date: November 12, 2020
    Inventors: Iana SIOMINA, Muhammad KAZMI, Christopher CALLENDER, Helka-Liina MÄÄTTANEN, Icaro L. J. DA SILVA