Patents by Inventor Iskren Ianev

Iskren Ianev 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: 20220369207
    Abstract: The invention proposes solutions for monitoring and controlling the maximum number of the UEs registered in a Network Slice, the maximum number of the established PDU Sessions in a Network Slice and the maximum number of the Uplink and Downlink data rates per UE in a Network Slice. The invention also enforces access and service restriction in a Network Slice when the Network Slice parameters boundaries have been reached.
    Type: Application
    Filed: June 29, 2020
    Publication date: November 17, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220369110
    Abstract: New methods are proposed to detect misbehaving UEs based on 5GS. The methods allow the network to react accurately and efficiently to deal with misbehaving UE(s).
    Type: Application
    Filed: December 15, 2020
    Publication date: November 17, 2022
    Applicant: NEC Corporation
    Inventors: Linghang FAN, Toshiyuki TAMURA, Iskren IANEV
  • Publication number: 20220360670
    Abstract: This disclosure proposes a network function node in a core network, comprising: means for receiving, from User Equipment, UE, a non access stratum, NAS, message including identity information for the UE, and a plurality of user identity information, each of which includes a user identifier for a user that uses the UE; and means for sending, to a policy control and charging function node in the core network, the plurality of the user identity information for creating a Policy and Charging Control, PCC, rule based on the plurality of the user identity information.
    Type: Application
    Filed: November 6, 2020
    Publication date: November 10, 2022
    Applicant: NEC Corporation
    Inventors: Shubhranshu SINGH, Toshiyuki TAMURA, Iskren IANEV
  • Publication number: 20220322221
    Abstract: An AMF apparatus (3) receives a NAS message for requesting a core network to establish or activate a PDU session associated with an allowed network slice identifier, from a UE (4), via a first cell (10) not supporting the allowed network slice identifier and via a first AN node (1) that provides the first cell (10). In response to receiving the NAS message, the AMF apparatus (3) sends to the first AN node (1) a control message that causes the first AN node (1) to move the UE (4) to a second cell (20) that supports the allowed network slice identifier. This can contribute, for example, to enabling an establishment or activation of a PDU session associated with a network slice that is supported only in sparsely (or patchily) placed local cells.
    Type: Application
    Filed: March 18, 2021
    Publication date: October 6, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220322489
    Abstract: The current disclosure proposes a controlling method including: determining a user with lowest priority among users in User Equipment, UE, simultaneously used by the users in a case where the number of users of the UE exceeds a threshold; and initiating a release procedure for a PDU session of the user with lowest priority, wherein the threshold indicates a max allowed number of users for the UE.
    Type: Application
    Filed: October 2, 2020
    Publication date: October 6, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Patent number: 11463978
    Abstract: A Network Data Analytics Function, NWDAF, includes: means for receiving analytics information regarding cell re-selection by User Equipment, UE, among cells; and means for notifying another network node of matching the analytics information with an exception so that the other network node takes actions for solving the exception.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 4, 2022
    Assignee: NEC CORPORATION
    Inventors: Iskren Ianev, Toshiyuki Tamura, Linghang Fan, Hassan Al-Kanani
  • Publication number: 20220303934
    Abstract: The present disclosure proposes combined registration for mobile terminals with multiple SIM subscription from the same PLMN. A mobile terminal with two or more SIM subscriptions from the same PLMN registers for all SIM subscriptions to the same AMF or for each SIM subscription, to different AMFs, or to different RATs via a single combined registration procedure. A combined deregistration procedure is also disclosed in which the UE can deregister for all SIM subscriptions in a single combined deregistration procedure.
    Type: Application
    Filed: April 24, 2020
    Publication date: September 22, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Patent number: 11445355
    Abstract: A core network node for mobility management includes a means for transmitting information related to expected mobility of user equipment, UE, to an access network node.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 13, 2022
    Assignee: NEC CORPORATION
    Inventors: Iskren Ianev, Sivasubramaniam Ramanan, Toshiyuki Tamura, Hassan Al-Kanani
  • Publication number: 20220279075
    Abstract: A new charging solution is proposed for D2D direct communication based on 5GS, which allows the network to charge UE's usage accurately and flexibly.
    Type: Application
    Filed: September 28, 2020
    Publication date: September 1, 2022
    Applicant: NEC Corporation
    Inventors: Linghang FAN, Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220272531
    Abstract: The present disclosure proposes a solution for monitoring, controlling and enforcement of the number of the UEs per Network Slice quota for Network Slices subject to Network Slice Specific Authentication and Authorisation (NSSAA). It proposes a new Network Slice Quota (NSQ) service and service operations for Network Slice quota subscription, monitoring, update and notification.
    Type: Application
    Filed: December 15, 2020
    Publication date: August 25, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220264427
    Abstract: The present disclosure proposes solutions for monitoring, controlling and enforcement the number of the UEs per Network Slice quota in roaming. It proposes new Network Slice Quota (NSQ) service and service operations for Network Slice quota subscription, monitoring, update and notification in both, the home network and in the visiting network.
    Type: Application
    Filed: December 17, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220264504
    Abstract: The present document proposes enablers for multiple user identities per UE. It defines user identity profiles for the users sharing the same UE and it allows for these user identity profiles to be provisioned in the UE's subscription information. The proposal enables multi user UEs to register at the same time for one or more users that are sharing the UE with optional extra user-specific authentication and authorisation. When registered, such a multi user UE can initiate per user PDU Session establishment and also can be paged for per user (one or more users) mobile terminated services.
    Type: Application
    Filed: June 25, 2020
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220264505
    Abstract: An AMF apparatus (3) receives a registration request message from a UE (3) via a RAN node (1). In response to receiving the registration request message, the AMF apparatus (3) sends to the UE (4) via the RAN node (1) a registration accept message indicating a registration area of the UE (4) and a first list of at least one conditionally allowed network slice identifier. The registration area is a list of at least one tracking area. Each conditionally allowed network slice identifier is not available in every part of the registration area, but is available in at least one particular cell or at least one particular tracking area included in the registration area. This can contribute, for example, to allowing a UE to easily utilize a network slice that is supported only in sparsely placed local cells.
    Type: Application
    Filed: March 18, 2021
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220264439
    Abstract: The disclosure proposes solutions for network slice quota monitoring and management. It allows the Service Provider to subscribe with the 3GPP mobile network for network slice quota status notifications and retrieval and/or allows the Service Provider to allocate the initial network slice quota based on SLA (Service Level Agreement), to top-up or cut-down the allocated network slice quota when need and to re-balance it between network slices or between mobile networks.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 18, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA, Hassan AL-KANANI, Linghang FAN
  • Publication number: 20220256417
    Abstract: This disclosure addresses the service continuity across network slices for mobile terminals in connected mode. It proposes solutions that allow mobile terminal users to prioritize a service or a type of service that would improve the service continuity across network slices for user preferred services.
    Type: Application
    Filed: June 24, 2021
    Publication date: August 11, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Publication number: 20220256451
    Abstract: The disclosure is addressing the 3GPP and GSMA requirements for compatibility restrictions between certain network slices. It proposes solutions for management, control and enforcement of the constraints for simultaneous usage of certain network slices in the UE (3) and in the network. This allows for different level of isolation between the network slices leading to improved security and integrity in the data exchange.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 11, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA, Hassan AL-KANANI, Linghang FAN
  • Publication number: 20220240161
    Abstract: User equipment, UE, includes: a receiver configured to receive a parameter indicating whether the UE is restricted or authorized for transmission of user data in a message transmitted on Uplink Synchronization Channel, UL-SCH, from an access network node; and a hardware processor configured to process instructions to determine whether the transmission of the user data in the message is restricted or authorized based on the parameter.
    Type: Application
    Filed: April 15, 2022
    Publication date: July 28, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA
  • Patent number: 11330507
    Abstract: User equipment, UE, includes: a receiver configured to receive a parameter indicating whether the UE is restricted or authorized for transmission of user data in a message transmitted on Uplink Synchronization Channel, UL-SCH, from an access network node; and a hardware processor configured to process instructions to determine whether the transmission of the user data in the message is restricted or authorized based on the parameter.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: May 10, 2022
    Assignee: NEC CORPORATION
    Inventors: Iskren Ianev, Toshiyuki Tamura
  • Publication number: 20220141908
    Abstract: The current disclosure proposes URLLC support indication exchange between the network nodes and URLLC support by the network indication in the Registration procedure so that a URLLC capable UE knows whether it could initiate URLLC type of PDU session establishment.
    Type: Application
    Filed: December 6, 2019
    Publication date: May 5, 2022
    Applicant: NEC Corporation
    Inventors: Iskren IANEV, Toshiyuki TAMURA, Linghang FAN
  • Publication number: 20220117016
    Abstract: The invention describes a method for dynamic switching between a control plane data transmission and user plane data transmission avoiding the Detach and consecutive re-attach procedure or TAU procedure. In particular the decision for switch between the different transmission schemes is based on various criteria like the size of the data packet or on total amount of data, etc.
    Type: Application
    Filed: January 21, 2021
    Publication date: April 14, 2022
    Applicant: NEC Corporation
    Inventors: Genadi VELEV, Iskren IANEV, Toshiyuki TAMURA