Patents by Inventor Patrik Salmela

Patrik Salmela 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: 20240155452
    Abstract: Systems and methods for network slice continuity in handover of a communication network are provided. In some embodiments, a User Equipment (UE) is configured to receive, from a network node on a first cell, a first message comprising an indication of at least one cell that supports a particular network slice and engage in a handover operation based on the 5 indication comprised in the received first message. In some embodiments, a network node is configured to sending, to a UE on a first cell, a first message comprising an identification of at least one cell that supports a particular network slice.
    Type: Application
    Filed: February 3, 2022
    Publication date: May 9, 2024
    Inventors: Patrik Salmela, Markus Hanhisalo, Juha Kujanen
  • Patent number: 11968529
    Abstract: There is provided mechanisms for authenticating a first radio communication device with a network. A method is performed by the first radio communication device. The method comprises obtaining credentials for a network subscription to the network. The method comprises obtaining an upper part of a radio protocol stack, according to which radio protocol stack the first radio communication device is configured to communicate with the network. The method comprises authenticating with the network. The method comprises providing, to a second radio communication device, at least one key, as derived from the credentials during the authenticating, for use by the second radio communication device when executing the remaining part of the radio protocol stack for communication between the second radio communication device and the network.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: April 23, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Patrik Salmela, Per Ståhl, Kristian Slavov, Vesa Lehtovirta
  • Patent number: 11963260
    Abstract: A method of ending a subscription performed in a network entity is disclosed. The method comprises receiving, from a device comprising an Embedded Universal Integrated Circuit Card, eUICC, a signed confirmation of a profile having been deleted in the device, the profile being associated with a subscription for the device; sending, to a Subscription Manager Data Preparation entity, a command for deletion of the profile; and deleting the user subscription and related profile in case an acknowledgement of the deletion of the profile is received from the Subscription Manager Data Preparation entity. Method in a device, method in a Subscription Manager Data Preparation entity, devices and entities, computer programs and computer program products are also provided.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: April 16, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Patrik Salmela, Abu Shohel Ahmed, Kazi Wali Ullah
  • Publication number: 20240107317
    Abstract: A communication device (2) obtains a subscription identifier (50) that identifies a subscription to a first communication network (10). The subscription identifier (50) includes a first network identifier (52) that identifies the first communication network (10) and includes a second network identifier (54) that identifies a second communication network serving the first communication network (10). In some embodiments, the subscription identifier (50) conceals the first network identifier (52). Alternatively or additionally, the subscription identifier (50) is an International Mobile Subscriber Identity, IMSI, or is a Network Access Identifier, NAI, that includes the first network identifier (52) in a username part of the NAI. Regardless, the communication device (2) transmits the subscription identifier (50).
    Type: Application
    Filed: December 28, 2020
    Publication date: March 28, 2024
    Inventors: Patrik Salmela, Vesa Lehtovirta
  • Publication number: 20240107297
    Abstract: A communication device (2) generates a cryptographic key (20K) as a function of information (20B) bound to an intermediate communication network (20) via which the communication device (2) authenticates a subscription to a subscribed communication network (10). Here, the communication device (2) is served by a serving communication network (30) that differs from the intermediate communication network (20). The communication device (2) protects communication for the communication device (2) based on the generated cryptographic key (20K).
    Type: Application
    Filed: December 28, 2020
    Publication date: March 28, 2024
    Inventors: Vesa Lehtovirta, Patrik Salmela
  • Publication number: 20240107288
    Abstract: A first network node (20N) in a first communication network (20) transmits information to a second network node (10N) in a second communication network (10). The information indicates a third communication network (30) is in a control signaling path (15) between a communication device (2) and the second communication network (10). In some embodiments, the first network node (20N) and/or the second network node (10N) may apply one or more policies based on the information, e.g., whether to authenticate a subscription of the communication device (2) to the second communication network (10).
    Type: Application
    Filed: December 28, 2020
    Publication date: March 28, 2024
    Inventors: Patrik Salmela, Vesa Lehtovirta
  • Publication number: 20240056794
    Abstract: There is provided mechanisms for handling download of a subscription profile from a pool of subscription profiles. The subscription profiles of the pool of subscription profiles are served by an MNO entity. A method is performed by a subscription management entity. The subscription management entity manages the pool of subscription profiles. The pool of subscription profiles has its own pool identifier. The method comprises obtaining a request from a communication device for download of one of the subscription profiles from the pool of subscription profiles. The method comprises enabling download to the communication device of one of the subscription profiles from the pool of subscription profiles. The method comprises filling up the pool of subscription profiles so that total number of subscription profiles in the pool of subscription profiles remains unchanged.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 15, 2024
    Applicant: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Patrik SALMELA, Per STÅHL
  • Patent number: 11888828
    Abstract: Embodiments relate to a method for secure domain name system, DNS, queries. The method is performed in a DNS client, and the method includes obtaining an encryption key and internet protocol, IP, address for a final DNS resolver, creating a session key, encrypting a DNS query and the created session key with the obtained encryption key, and sending a DNS message containing the encrypted DNS query and the created session key to an intermediate DNS resolver, different from the final DNS resolver, together with the obtained IP address for the final DNS resolver. Methods, nodes, computer programs, and a computer program product for secure DNS queries are also presented.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: January 30, 2024
    Assignee: Telefonaktiebolaget LM Ericsson (Publ)
    Inventors: Niilo Lehtikuja, Patrik Salmela
  • Publication number: 20240031799
    Abstract: Communication equipment (4, 6) generates an inner subscription concealed identifier (10C). Generating the inner subscription concealed identifier (10C) includes concealing at least a part of a subscription identifier (10S) using cryptographic key material (10K) associated with a first communication network (10), e.g., a non-public network. The subscription identifier (10S) identifies a subscription to the first communication network (10). The communication equipment (4, 6) generates an outer subscription concealed identifier (20C). Generating the outer subscription concealed identifier (20C) includes concealing the inner subscription concealed identifier (10C) using cryptographic key material (20K) associated with a second communication network (20), e.g., a public network. The communication equipment (4, 6) transmits the outer subscription concealed identifier (20C).
    Type: Application
    Filed: December 28, 2020
    Publication date: January 25, 2024
    Inventors: Patrik Salmela, Vesa Lehtovirta
  • Patent number: 11844144
    Abstract: There is provided mechanisms for handling a subscription profile for a subscriber entity. A method is performed by a subscription management entity. The method comprises obtaining a request from a mobile network operator entity to configure the subscription profile for the subscriber entity. The method comprises configuring the subscription profile with a customized PIN/PUK code for the subscriber entity. The method comprises providing an indication of the customized PIN/PUK code being configured in the subscription profile in a response to the mobile network operator entity.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: December 12, 2023
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Abu Shohel Ahmed, Patrik Salmela, Kazi Wali Ullah
  • Publication number: 20230300596
    Abstract: There is provided mechanisms for enabling subscription profile download to a subscriber entity. A method is performed by a network node of an SNPN. The method comprises receiving a request from the subscriber entity for network registration with EAP based authentication to the SNPN. The method comprises granting network connectivity for the subscriber entity to the SNPN by completing the network registration upon successful EAP based authentication of the subscriber entity and upon verification that there is a pending subscription profile available for download to the subscriber entity. The network connectivity enables subscription profile download to the subscriber entity.
    Type: Application
    Filed: June 26, 2020
    Publication date: September 21, 2023
    Inventors: Patrik SALMELA, Kazi Wali ULLAH, Abu Shohel AHMED
  • Patent number: 11617073
    Abstract: A method enabling migration of a subscription from a source device to a destination device is disclosed. The method may be performed in a migration entity and comprises: receiving, from the source device, a confirmation of a first profile associated with the subscription having been deleted in the source device, securing a second profile associated with the subscription to be provisioned onto the eUICC of the destination device, wherein at least one piece of subscription information is the same for the first and second profiles, and providing an activation code for use in migration of the subscription to the destination device. A method in a source device, migration entity, source device, computer programs and computer program products are also provided.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: March 28, 2023
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Kazi Wali Ullah, Abu Shohel Ahmed, Patrik Salmela
  • Publication number: 20230070104
    Abstract: According to one aspect is provided a method for establishing a secure connection between a client device and a network gateway. The method is performed by an access point. The method comprises establishing a first secure connection between the access point and the network gateway. The method comprises establishing a second secure connection serving as a virtual private network tunnel between the client device and the network gateway. There is also provided corresponding methods as performed by the client device and the network gateway.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 9, 2023
    Inventors: Mohit SETHI, Patrik SALMELA
  • Publication number: 20230049341
    Abstract: A Bluetooth device (702) is disclosed, the Bluetooth device being provisioned with a security credential (710) that is shared with an authentication server (706). The Bluetooth device comprises processing circuitry configured to use a Bluetooth pairing mechanism to establish a pairing with a Bluetooth gateway (704a-c) by establishing a shared secret key with the Bluetooth gateway and to perform an Extensible Authentication Protocol (EAP) authentication method towards the authentication server using the security credential, wherein performing the EAP authentication method comprises using the paired Bluetooth gateway to forward messages to and from the authentication server. The processing circuitry is further configured to bind the pairing established with the paired Bluetooth gateway to the performed EAP authentication method. Also disclosed are a Bluetooth gateway and methods performed by a Bluetooth device and a Bluetooth gateway.
    Type: Application
    Filed: February 5, 2020
    Publication date: February 16, 2023
    Inventors: Mohit SETHI, Patrik SALMELA
  • Patent number: 11502944
    Abstract: It is presented a method for configuring a network path. The method is performed in a routing control device of a software defined network and comprises the steps of: receiving a first node packet originating from a first node of the software defined network, the first node packet forming part of an ARP exchange between an ARP requester and an ARP responder, the first node packet comprising a request for network properties encoded in a first address; determining a network path through the software defined network; changing a source address of a packet to the ARP requester to be a second address; configuring all switches forming part of the network path, to route packets in accordance with the network path; and configuring an edge switch to replace, for all packets having a destination address being equal to the second address, the destination address with an address of the ARP responder.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: November 15, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Alireza Ranjbar, Patrik Salmela, Miika Komu
  • Publication number: 20220360994
    Abstract: There is provided mechanisms for remote provisioning of a SIM profile to a subscriber entity. A method is performed by a remote SIM provisioning server. The method comprises obtaining a request from an MNO entity for generation of the SIM profile. The method comprises generating the SIM profile. The method comprises providing, to a storage entity, a key-value pair of the SIM profile. The key-value pair comprises a unique identifier comprising at least one profile specific element of the SIM profile as key and binding information of the at least one profile specific element as value. The unique identifier comprising at least one profile specific element of the SIM profile is represented by profile/subscription unique data elements for the SIM profile. The binding information of the at least one profile specific element is represented by an BID of the subscriber entity, ICCID of the SIM profile, IMSI, and an MNO identifier.
    Type: Application
    Filed: July 3, 2019
    Publication date: November 10, 2022
    Inventors: Abu Shohel Ahmed, Patrik Salmela, Kazi Wali Ullah
  • Publication number: 20220360970
    Abstract: There is provided mechanisms for remote provisioning of a SIM profile to a subscriber entity. A method is performed by a remote SIM provisioning server. The method includes obtaining a request from an MNO entity for generation of the SIM profile. The method includes generating the SIM profile. The method includes providing, to a storage entity, a key-value pair of the SIM profile. The key-value pair includes a unique identifier including at least one profile specific element of the SIM profile as key and binding information of the at least one profile specific element as value. The unique identifier including at least one profile specific element of the SIM profile is represented by an ICCID of the SIM profile. The binding information of the at least one profile specific element is represented by an EID and profile/subscription unique data elements for the SIM profile.
    Type: Application
    Filed: July 3, 2019
    Publication date: November 10, 2022
    Inventors: Abu Shohel AHMED, Patrik SALMELA, Kazi Wali ULLAH
  • Patent number: 11496894
    Abstract: A method, performed by an EAP authenticator in a communication network, is disclosed. An identification of at least one EAP method supported by an EAP authentication server providing an EAP authentication service to the EAP authenticator is obtained, wherein the identification is obtained from a network entity of the communication network or from inspection of traffic through the EAP authenticator. The identification of at least one EAP method is provided to a device operable to request communication network access from the EAP authenticator. Also disclosed is a method, performed in an EAP authentication server in a communication network. A request for identification of EAP methods supported by the EAP authentication server is received, and a response to the request is sent identifying at least one EAP method supported by the EAP authentication server. An EAP authenticator, EAP authentication server and computer program are also disclosed.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: November 8, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mohit Sethi, Parth Amin, Patrik Salmela, Kristian Slavov
  • Patent number: 11483699
    Abstract: There is provided mechanisms for initial network access of a subscriber entity to a radio access network. A method is performed by the subscriber entity. The method comprises transmitting an attach message towards a network node. The attach message indicates a request for network access of the subscriber entity to a radio access network of the network node. The method comprises receiving an identification request originating from the network node. The identification request requests identification of the subscriber entity. The method comprises transmitting a response message towards the network node. The response message comprises an Access Identifier of the subscriber entity. The Access Identifier indicates that the subscriber entity is subscription-less. The method comprises receiving a grant from the network node. The grant allows the subscriber entity limited network access.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 25, 2022
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Kazi Wali Ullah, Abu Shohei Ahmed, Patrik Salmela, Bernard Smeets
  • Patent number: 11457492
    Abstract: A wireless device includes a first mobile equipment and a second mobile equipment sharing a single subscriber identity module. The wireless device sends a first attach request as part of a first attach procedure to a cellular network using the first mobile equipment via a first base station to establish a first communication channel to the cellular network, and sends a second attach request as part of a second attach procedure to the cellular network using the second mobile equipment via a second base station to establish a second communication channel to the cellular network. The first and second attach procedures are performed using a same subscriber identity provided by the single subscriber identity module. Upon completion of the first and second attach procedures, data communicated between the wireless device and the cellular network is transferred redundantly over the first communication channel and the second communication channel.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: September 27, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Dhruvin Patel, Patrik Salmela