Nokia Technologies Oy

Alcatel Lucent

Nokia Solutions and Networks Oy

Evolium S.a.s.

Nokia of America Corporation

Bruno Landais

Laurent Thiebaut

Saurabh Khare

Devaki Chandramouli

Alessio Casati

Nicolas Drevon

Georgios Gkellas

Anja Jerichow

Deborah L Barclay

Thomas Belling

Ioannis Mouroulis

Lu Tian

Nagendra S Bykampadi

Peter Leis

Ulrich Wiehe

Vincent Muniere

Shubhranshu Singh

Horst Thomas Belling

Prashanti Das

Harish Viswanathan

Philippe Godin

Richard P Ejzak

Gyorgy Tamas Wolfner

Narasimha Rao Pulipati

Alex Moukalled

Sudeep K Palat

Curt C Wong

Srinivasan Selvaganapathy

Klaus Hoffmann

Konstantin Livanos

Hannu Petri Hietalahti

Markus Isomäki

Miikka Juhana Poikselka

Jennifer Liu

Fernando Cuervo

Michael F Dolan

Subramanya Chandrashekar

Chaitanya Aggarwal

Ömer Bulakci

Hakon Helmers

Jean-Michel Pugeat

John Matthew Gafrick

Sung Hwan Won

Yannick Lair

Thomas Theimer

Tomas S Young

Stanislas Bourdeaut

Rasik Kachhla

Tuomas Niemela

Alistair Urie

György Tamás Wolfner

Juergen Hofmann

Didier Feron

Markus Sakari Isomäki

Eric Desorbay

Dinh Thai Bui

Omar Elloumi

Richard Vetter

Raghuram Reddy Krishnamurthy

Jean-Jacques Trottin

Erwan Duval

Bivudendu Pratap Rout

Philippe Bellec

Minisha Das

Diwakar Jois

Sreejesh Sreekumar

Rekha Bharathi Somashekar

Praveen Muley

Gabriel Linden

Claude Jacob

Jian J Lu

Keith Drage

Mike Aguilar

Gerard Pouplin

William Ye

According to an example aspect, there is provided a method, comprising: receiving, by a service communication proxy from a network function consumer, a service request for a service by a network function producer, transmitting, in response to an error in obtaining an access token from a network repository function on the basis of the service request, a response to the service request to the network function consumer, wherein the access token is for authorizing access to a service at the network function producer and the response is indicative of an access token error.

Network function request error handling

An apparatus and method can include monitoring whether a consumer of a target network receives a resource identifier, a first apiRoot identifying a producer, and a second apiRoot identifying the producer and a producer network. The first apiRoot is for routing a service request to the producer, and the second apiRoot is for routing the service request to the producer if the target network is different from the producer network. The method further comprises identifying the producer network based on the second apiRoot, and deciding whether the target network is different from the producer network. If the target network is not different from the producer network, the service request is sent wherein the resource is identified by the first apiRoot and the identifier. If the target network is different from the producer network, the service request is sent wherein the resource is identified by the second apiRoot and the identifier.

NF service producer's URIs for inter-PLMN mobility

There is provided a method, computer program, and apparatus for a network repository function that causes the network repository function to: alter, for a second network function, a value of an attribute in a network profile associated with said second network function; and signal, to a first network function, an identifier for said second network function in addition to an said altered value of said attribute, based on a first request for discovery from said first network function, wherein said network profile comprises an indication of a service and/or an attribute of said second network function.

Apparatus, methods, and computer programs

Systems, methods, apparatuses, and computer program products for implementing a physical service communication proxy domain A method may include interconnecting a first network element with one or more service communication proxy domains, each associated with one or several internet protocol addresses or fully qualified domain names used for the interconnection. The method may also include registering the first network element with a network repository function by sending a service operation to the network repository function. Further, the service operation may include profile information of the first network element. In addition, the profile information may include one or more service communication proxy domains, each associated with one or several internet protocol addresses or fully qualified domain names.

Physical service communication proxy domain

There is provided a method, computer program, and an apparatus for a network function that causes the network function to: receive, from a service consumer, event subscription information comprising an intra-domain address and an inter-domain address for signalling event subscription notification information from a service producer to the service consumer; determine whether a first service producer is located in the same domain as the service consumer; select at least one of the inter-domain address and the intra-domain address to signal to the first service producer in dependence on said determining; and signal the selected at least one address to the first service producer.

The disclosure relates to a first apparatus comprising at least one processor and at least one memory including computer code for one or more programs, the at least one memory and the computer code configured, with the at least one processor, to cause the apparatus at least to: send (), to a second apparatus, a request comprising information indicating a list of public land mobile network identifiers identifying a first public land mobile network supported by the first apparatus, and information to derive a second public land mobile network supported by the second apparatus; and receive (), from the second apparatus, a response comprising information indicating a list of public land mobile network identifiers identifying the second public land mobile network supported by the second apparatus.

Apparatus, method, and computer program

A plurality of interworking functions, which provide interworking between a communication network acting as an access network and a non-public network, is associated with a plurality of sites or network slices hosted by the non-public network (S). A user equipment is configured to select an interworking function of the plurality of interworking functions based on information on a site or network slice the user equipment is associated with, of the plurality of sites or network slices (S).

Non-3GPP interworking function (N3IWF) selection for stand-alone non-public networks (SNPN)

There is provided an apparatus comprising: means for providing, to a network repository function, a discovery request comprising a preferred locality query parameter, wherein the preferred locality query parameter comprises a plurality of location descriptions, and means for receiving, from the network repository function, a response to the discovery request, wherein the response comprises one or more service producers that match the preferred locality query parameter.

Method, apparatus and computer program

There is disclosed an apparatus. The apparatus comprises means for performing: initiating establishment of an N32-c transport layer security connection with an entity, the apparatus located in a first public land mobile network and the entity located in a second public land mobile network; sending from the apparatus to the entity on the N32-c transport layer security connection an N32-c handshake signalling message comprising domain name information of the apparatus to be used by the entity for establishing an N32-f transport layer security connection towards the apparatus; receiving a reply from the entity, the reply comprising domain name information of the entity to be used by the apparatus for establishing the N32-f transport layer security connection towards the entity; and using the domain name information received in the reply to establish the N32-f transport layer security connection towards the entity.

Inter-PLMN communication

There are provided measures for enforcement of maximum number of admitted terminals per network slice. Such measures exemplarily comprise receiving a packet data connection related request concerning a network slice being configured with a maximum number of terminals to be admitted to said network slice, maintaining a counter indicative of a number of terminals admitted to said network slice based on said packet data connection related request, and transmitting a response to said packet data connection related request.

Enforcement of maximum number of admitted terminals per network slice

A method, apparatus and computer program product are provided herein to provide a Protocol Data Unit (PDU) session priority parameter. For example, a method is provided that comprises identifying a need in a user equipment (UE) for establishing a new protocol data unit PDU session. The method also includes evaluating whether to establish a new PDU session and determining whether to establish a new PDU session based on a PDU session priority parameter when a maximum number of PDU sessions the UE can establish in the network is reached.

Method and apparatus for admission control of sessions based on priority

It is provided a method comprising: inquiring a repository function to provide identifications of all producers registered in the repository function and satisfying a query condition; receiving or obtaining the identifications of all the producers registered in the repository function and satisfying the query condition upon the inquiring; requesting, using the received or obtained identifications, each of the producers to provide a service.

Communication between CN and AN

Methods and apparatuses for edge services are disclosed. A network function entity receives from an application function entity a request relating to a data communication session, and can then determine, in response to the request, information of at least one local network exposure function entity for the application function entity. The application function entity is provided with the information of the at least one local network exposure function entity. The information can be used in connecting with a local network exposure function entity. The local network exposure function entity can then be used for the data communication session.

Edge computing

It is provided a method comprising: monitoring if a communication initiator receives a confirmation in response to an initial message from the communication initiator to a communication partner; supervising if the communication initiator successfully processes the confirmation; providing a non-successful information at a callback resource if the confirmation comprises the identifier of the callback resource and the communication initiator does not successfully process the confirmation; wherein the confirmation comprises an identifier of the callback resource; and the confirmation confirms that the initial message is successfully processed by the communication partner.

Error handling of responses

Various example embodiments relate to relate to network nodes (A;B), methods and computer program products configured to hand over a communication link between a cell and user equipment () in a wireless communication network from a source cell (A) to a target cell (B;C). According to various, but not necessarily all, embodiments of the invention there is provided a node (A), comprising: means configured to establish a communication link between a source cell (A) and user equipment (); means configured to transmit a series of data packets to the user equipment (), each data packet comprising an associated sequence identifier; means to receive an acknowledgement of successful receipt of a data packet of the series by user equipment (), the acknowledgement comprising an indication of the successfully received data packet sequence identifier; means configured to receive an indication of an identified handover target cell (B;C); means configured to request handover of the user equipment () to the identified handover target cell (B;C); means configured to receive an acknowledgement of handover request from the identified handover target cell (B;C); and means to forward data packets to be transmitted to user equipment () to the identified target cell (B;C), the forwarded data packets comprising the indication of associated sequence identifier and the most recent successfully received data packet sequence identifier. Also provided is a node (B), comprising: means configured to receive a request for handover of user equipment () from a source cell (A) to a target cell (B;C); means configured to transmit an acknowledgement of handover request to the source cell (A); and means to receive forwarded data packets forming a series of data packets to be transmitted to user equipment (), the forwarded data packets comprising an indication of a sequence identifier associated with each forwarded data packet and an indication of a most recent successfully received data packet sequence identifier. Arrangements recognise that one way to mitigate some of the negative effects associated with early data forwarding, for example, the increased use of network memory and the risk of duplicate transmissions, is by providing a mechanism supported by a source (A) and target node (B) to allow a target access node (B) to perform efficient data discarding.

Handover with sequentially identified packets

Growing community of inventors

Pleumeur-Bodou, France

Bruno Landais