Patents by Inventor Kundan Tiwari

Kundan Tiwari 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: 20200337012
    Abstract: A method for core network node comprises sending, to a User Equipment (UE) (300), a REGISTRATION ACCEPT message containing at least one operator-defined access category definitions wherein the containing at least one operator-defined access category definitions causes the UE to send REGISTRATION COMPLETE message; receiving, from the UE (300), a REGISTRATION COMPLETE message indicating acknowledge reception of the at least one operator-defined access category definitions.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 22, 2020
    Applicant: NEC Corporation
    Inventors: Kundan TIWARI, Toshiyuki TAMURA
  • Publication number: 20200267539
    Abstract: The present disclosure relates to synchronizing a temporary identity in the UE and the network when the UE is RRC Inactive state over 3GPP access and temporary identity of the UE is changed over a Non-3GPP access in a scenario when the UE is connected to the same AMF via 3GPP and non-3GPP access.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 20, 2020
    Inventors: Toshiyuki TAMURA, Kundan TIWARI
  • Publication number: 20200229120
    Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 16, 2020
    Inventors: Kundan TIWARI, Toshiyuki TAMURA, Sheeba Backia Mary BASKARAN
  • Publication number: 20200092836
    Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
    Type: Application
    Filed: November 19, 2019
    Publication date: March 19, 2020
    Inventors: Kundan TIWARI, Toshiyuki TAMURA, Sheeba Backia Mary BASKARAN
  • Patent number: 10499357
    Abstract: The present disclosure is related to sending of a one time identifier of a UE during the NAS procedure. Specifically, the present disclosure relates to determining whether to use same one time identifier or different one time identifier during registration retry procedure.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: December 3, 2019
    Assignee: NEC Corporation
    Inventors: Kundan Tiwari, Toshiyuki Tamura, Sheeba Backia Mary Baskaran
  • Patent number: 10327270
    Abstract: The present invention provides methods and devices for a network to inform a user equipment which network slice is attached successfully and which network slice is prohibited to attach.
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: June 18, 2019
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Publication number: 20190182726
    Abstract: A communication device for handling a redirection comprises at least one storage device storing instructions of receiving a redirection message from a first base station (BS) of the first radio access technology (RAT) via a first cell, wherein the redirection message comprises RAT information indicating a second RAT and indicates a first core network (CN); entering an idle state in response to the redirection message; selecting a second cell of the second RAT according to the RAT information; establishing a radio resource control (RRC) connection via the second cell to a second BS in the idle state; generating a non-access-stratum (NAS) message for the first CN according to the redirection message; and transmitting the NAS message on the RRC connection via the second cell to the second BS.
    Type: Application
    Filed: December 10, 2018
    Publication date: June 13, 2019
    Inventors: Chih-Hsiang Wu, Kundan Tiwari
  • Publication number: 20190116526
    Abstract: A communication device for handling a packet data network (PDN) connection and a network slice comprises at least one storage device; and at least one processing circuit, coupled to the at least one storage device. The at least one storage device stores, and the at least one processing circuit is configured to execute instructions of establishing a PDN connection with a first network; transmitting a Registration Request message of a Registration procedure to a second network, wherein the Registration Request message comprises a protocol data unit (PDU) Session Identifier (ID) identifying the PDN connection; and receiving a Registration Accept message comprising a slice identifier associated to the PDN connection, from the second network.
    Type: Application
    Filed: October 17, 2018
    Publication date: April 18, 2019
    Inventors: Kundan Tiwari, Chih-Hsiang Wu
  • Publication number: 20190053187
    Abstract: A communication device for handling an interworking procedure comprises at least one processing circuit configured to execute instructions of registering to a fifth generation (5G) system (5GS) network and establishing at least one Protocol Data Unit (PDU) session of a PDU session type to a Data Network (DN) identified by a first Data Network Name (DNN) and connected to the 5GS network; selecting a cell of an Evolved Packet System (EPS) network, after establishing the at least one PDU session; determining whether the at least one PDU session is supported in the EPS network; determining whether the cell supports an attach without any packet data network (PDN) connection; and initiating an attach procedure on the cell, when determining that none of the at least one PDU session is supported in the cell and the cell does not support the attach without any PDN connection.
    Type: Application
    Filed: August 14, 2018
    Publication date: February 14, 2019
    Inventor: Kundan Tiwari
  • Patent number: 10194481
    Abstract: A communication device for handling a RRC connection comprises a storage unit and a processing circuit. The processing circuit is configured to execute instructions stored in the storage unit. The instructions comprise transmitting a first resume request message with a first resume identity for requesting a resume of the RRC connection to a first cell of a network; receiving a resume reject message from the first cell of the network; determining the first resume identity and at least one radio resource corresponding to the first resume identity are valid and keeping the first resume identity and the at least one radio resource, if the resume reject message comprises an indicator; and determining the first resume identity and the least one radio resource are invalid and releasing the first resume identity and the at least one radio resource, if the resume reject message does not comprise the indicator.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: January 29, 2019
    Assignee: HTC Corporation
    Inventors: Kundan Tiwari, Te-Ming Chen, Chih-Hsiang Wu
  • Patent number: 10136383
    Abstract: A communication device for handling a cell selection comprises a storage unit for storing instructions and a processing circuit coupled to the storage unit. The processing circuit is configured to execute the instructions stored in the storage unit. The instructions comprise receiving first system information from a first cell; determining whether the first cell supports a Cellular Internet of Thing (CIoT) feature according to the first system information; selecting a second cell which supports the CIoT feature according to second system information received from the second cell, if the first cell does not support the CIoT feature according to the first system information; and performing an attach procedure or a tracking area update procedure via the second cell.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: November 20, 2018
    Assignee: HTC Corporation
    Inventors: Kundan Tiwari, Chih-Hsiang Wu
  • Publication number: 20180324877
    Abstract: The present invention provides methods and devices for a network to inform a user equipment which network slice is attached successfully and which network slice is prohibited to attach.
    Type: Application
    Filed: May 3, 2018
    Publication date: November 8, 2018
    Inventor: Kundan Tiwari
  • Patent number: 10021624
    Abstract: A communication device of handling a network feature comprises a storage unit for storing instructions and a processing circuit coupled to the storage unit. The processing circuit is configured to execute the instructions stored in the storage unit. The instructions comprise receiving system information indicating whether an Evolved Packet System (EPS) optimization is supported and a first Non Access Stratum (NAS) message indicating whether the EPS optimization is supported; determining to use the EPS optimization, when the system information indicates that the EPS optimization is not supported and the first NAS message indicates that the EPS optimization is supported; and determining not to use the EPS optimization, when the system information indicates that the EPS optimization is supported and the first NAS message indicates that the EPS optimization is not supported.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: July 10, 2018
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Patent number: 9992804
    Abstract: A communication device for handling a Non-Access Stratum (NAS) procedure comprises instructions of transmitting a first session management (SM) message related to an access point name (APN) to a network; receiving a second SM message comprising a SM cause of insufficient resources and a back off timer value of a back off timer indicating that the back off timer is deactivated from the network in response to the transmission the first SM message; being forbidden to transmit a third SM message for the APN to the network, when the back off timer is deactivated for the APN; receiving a fourth SM message from the network indicating to deactivate and to reactivate an activated SM context associated with the APN, when the back off timer is deactivated for the APN; and transmitting a fifth SM message related to the APN to the network.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: June 5, 2018
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Patent number: 9955455
    Abstract: A communication device of handling a paging procedure comprises instructions of transmitting a first Non Access Stratum (NAS) message comprising a first time interval for monitoring a paging occasion and a second time interval for monitoring the paging occasion to a network, wherein the second time interval is larger than the first time interval; receiving a second NAS message comprising a third time interval for monitoring the paging occasion from the network after transmitting the first NAS message, wherein the third time interval is larger than the first time interval; receiving a paging message from the network by using the third time interval, when a packet data network (PDN) connection for an emergency bearer service is not established or not establishing; and receiving the paging message from the network by using the first time interval, when the PDN connection for the emergency bearer service is established or establishing.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: April 24, 2018
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Patent number: 9936475
    Abstract: A communication device of handling a detach procedure comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit. The instructions comprise attaching to a network in a Network Mode of Operation I (NMO I) for a circuit switched (CS) domain and a packet switched (PS) domain; transmitting a first General Packet Radio Service (GPRS) mobility management (GMM) message to the network; receiving a second GMM message comprising a GMM cause indicating an implicit detach from the network; and performing an International Mobile Subscriber Identity (IMSI) detach for the PS domain but not for the CS domain, when a Radio Resource (RR) connection exists.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: April 3, 2018
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Patent number: 9936378
    Abstract: A communication device of handling a Non Access Stratum procedure comprises instructions of accessing a first network by using the first IMSI; transmitting a first NAS request message to the first network by using the first IMSI; receiving a NAS response message comprising a timer value and a cause value from the first network; starting a timer for the first IMSI with the timer value; not transmitting a second NAS request message to the first network by using the first IMSI, if the timer is running for the first IMSI; changing from the first IMSI to the second IMSI without removing the USIM; keeping the timer running, after changing to the second IMSI; accessing a second or the first network by using the second IMSI; and transmitting a third NAS request message to the second or the first network by using the second IMSI, when the timer is running.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: April 3, 2018
    Assignee: HTC Corporation
    Inventor: Kundan Tiwari
  • Publication number: 20170332428
    Abstract: A communication device of communicating with a network comprises instructions of establishing a plurality of bearer contexts with the network; initiating a data transmission associated with a first bearer context of the plurality of bearer contexts; transmitting a first Non Access stratum (NAS) request message comprising only a first bearer identity for the first bearer context to the network; receiving a first radio resource control (RRC) message configuring only a data radio bearer (DRB) for the first bearer context from the network, after transmitting the first NAS request message; transmitting a second NAS request message not comprising any bearer identity for the first bearer context to the network; and receiving a second RRC message configuring a plurality of DRBs for the plurality of bearer contexts from the network, after transmitting the second NAS request message.
    Type: Application
    Filed: May 11, 2017
    Publication date: November 16, 2017
    Inventors: Chih-Hsiang Wu, Kundan Tiwari
  • Publication number: 20170332308
    Abstract: A communication device of handling a network feature comprises a storage unit for storing instructions and a processing circuit coupled to the storage unit. The processing circuit is configured to execute the instructions stored in the storage unit. The instructions comprise receiving system information indicating whether an Evolved Packet System (EPS) optimization is supported and a first Non Access Stratum (NAS) message indicating whether the EPS optimization is supported; determining to use the EPS optimization, when the system information indicates that the EPS optimization is not supported and the first NAS message indicates that the EPS optimization is supported; and determining not to use the EPS optimization, when the system information indicates that the EPS optimization is supported and the first NAS message indicates that the EPS optimization is not supported.
    Type: Application
    Filed: May 9, 2017
    Publication date: November 16, 2017
    Inventor: Kundan Tiwari
  • Patent number: RE46885
    Abstract: A mobile communication device configured for Non Access Stratum (NAS) signaling low priority is provided. In the mobile communication device, a wireless module performs wireless transmissions and receptions to and from a service network, and a controller module originates an EXTENDED SERVICE REQUEST message for requesting emergency bearer services in an EMM IDLE mode. The controller module further transmits an RRC CONNECTION REQUEST message comprising an establishment cause indicating an emergency case to the service network via the wireless module in response to originating the EXTENDED SERVICE REQUEST message.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: May 29, 2018
    Assignee: HTC CORPORATION
    Inventor: Kundan Tiwari