Telefonaktiebolaget Lm Ericsson (publ)

Guangdong Oppo Mobile Telecommunications Corp., Ltd.

China Mobile Communications Corporation

Unwired Planet, LLC

Das, Sajal Kumar

Lopez, Miguel

Schliwa-bertling, Paul

Sundberg, Mårten

Liberg, Olof

Paul Schliwa-Bertling

Robert Baldemair

John Walter Diachina

Mårten Sundberg

Peter Hedman

Gunnar Mildh

Andreas Bergström

Nicklas Johansson

Angelo Centonza

Magnus Stattin

Stefan Rommer

Karl Norrman

Osman Nuri Can Yilmaz

Olof Liberg

Icaro L J Da Silva

Stefan Wager

Jose Luis Pradas

Joachim Sachs

Pontus Wallentin

Noamen Ben Henda

Martin Hessler

Henning Wiemann

Mattias Bergström

Miguel Lopez

Andreas Höglund

Monica Wifvesson

Johan Rune

Yufei W Blankenship

Yi-Pin Eric Wang

Jari Tapio Vikberg

Walter Müller

Rui Fan

Ralf Keller

Oumer Teyeb

Pradeepa Ramachandra

Torsten Dudda

Reiner Ludwig

Erik A Eriksson

Sorour Falahati

Tomas Nylander

Janne Peisa

Kumar Balachandran

Thorsten Lohmar

Jan Christoffersson

Yong Yang

Jonas Fröberg Olsson

Niklas Johansson

Riikka Susitaival

Niklas Andgart

Stefan Wänstedt

Mattias Andersson

Jens Bergqvist

Qian Chen

Håkan Axelsson

Hans Bertil Rönneke

Christofer Lindheimer

Elena Myhre

Stefan Johansson

György Miklós

Karl Hellwig

Oscar Ohlsson

Nianshan Shi

Emre Yavuz

Tomas Hedberg

Mehdi Amirijoo

János Farkas

Dinand Roeland

Stefano Ruffini

Hans Hannu

Magnus Norberg Olsson

Patrik Rugeland

Vesa Lehtovirta

Ying Sun

Sándor Rácz

Alexander Vesely

Lars-Bertil Olsson

Oscar Zee

Attila Mihály

Henrik Enbuske

Prajwol Kumar Nakarmi

Patrik Torgny Karlsson

Patrik Salmela

Stefan Engström

Maria Belen Pancorbo Marcos

Lasse Olsson

Filip Mestanov

Tuomas Tirronen

Bernard Smeets

Peter Ramle

Göran Rune

Johan Moe

Ivo Sedlacek

Vesa Torvinen

Dennis Sundman

Zhenhua Zou

Anna Larmo

Sara Sandberg

Magnus Karlsson

José Araújo

Sudeep Manithara Vamanan

A method for securing radio connections comprises performing a connection setup with a user equipment (UE); determine that security information is needed for the UE based on an event which triggers a need of the security information; send an indication to a second network node to request the security information for the UE; and receiving the security information from the network node via a UE context setup procedure. The method may avoid a waste of resource in network by determining whether the UE is required to set up a security procedure by either a network node of a radio access network or a management and function node of a core network.

Method, apparatus, and system for securing radio connections

A method performed by a source access node for performing data forwarding at handover of a UE from a source cell to a target cell in a wireless communications network is provided. When a criterion for data forwarding is fulfilled, the source access node obtains a trigger for downlink data forwarding. When receiving the trigger, the source access node initiates downlink data forwarding to the UE via the target access node.

Access node, user equipment and methods in a wireless communications network

A method performed by a transmitting device, in a 3GPP wireless communicationsystem (), for handling generalized Precise Timing Protocol (gPTP) signaling, from a Time Sensitive Network (TSN) is provided. The transmitting device receives () a gPTP frame from the TSN network. The gPTP frame comprises time information, an indication of a time domain related to the time information and/or a Medium Access Control (MAC) address of a second end station connected to a receiving device. Basedon the indication of the time domain and/or the MAC address, the transmitting device determines () the receiving device which the gPTP frame relates to. The transmitting device transmits (), to the determined receiving device, the gPTP frame in a PDU session related to the determined receiving device.

Devices and methods for handling precise timing protocol frames

One aspect provides a method performed by a radio access network node in a telecommunications network. The method comprises: responsive to detection of a trigger event associated with a wireless device having a connection to the telecommunications network via the radio access network node or seeking to establish a connection to the telecommunications network via the radio access network node, transmitting a message directly to a user plane core network node providing functionality for the connection via the radio access network node, the message comprising one or more of: an indication of an identifier of the wireless device; and an indication of an identifier of a session for the wireless device. The user plane core network node has access to a data storage layer shared between a plurality of user plane core network nodes, the data storage layer storing respective contexts for the sessions of a plurality of wireless devices, including the wireless device.

Tunnel initiation in a communications network

A method performed by a first network node for handling a connection between a wireless device and a wireless communications network. The wireless communications network comprises the first network node. The first network node stores () data related to the connection, and further stores an identifier of the wireless device for locating the stored data related to the connection later. The first network node further provides () the wireless device with a command to transition from a connected mode into a suspended mode, in which suspended mode the connection is suspended and the wireless device stores the data related to the connection, and further stores the identifier of the wireless device for locating the stored data later in order to resume the connection.

Network nodes, a user equipment and methods therein for handling a connection between the user equipment and a wireless communications network

Systems and methods for session continuity of Multicast Broadcast (MB) Sessions are provided. In some embodiments, a method performed by a base station for session continuity of MB Sessions includes at least one of: providing at least one MB Session to a wireless device connected in 5G; determining that the wireless device is handed over to a target Next Generation Radio Access Network (NG-RAN); and providing session continuity of the at least one MB Session to the wireless device. In some embodiments, being handed over to the target NG-RAN comprises an Xn handover. In some embodiments, being handed over to the target NG-RAN comprises a N2 handover. Some embodiments of the current disclosure provide support for Multicast Broadcast Session continuity (aka 'Handover') at Inter-gNB Xn Handover and Inter-gNB N2 Handover in the 5G NR radio access.

5G multicast broadcast service handover

Systems and methods related to core network and radio access network (RAN) interactions for a Multicast/Broadcast (MB) session are disclosed herein. In one embodiment, a method performed by an Access and Mobility Management Function (AMF) for a MB session join procedure includes receiving a MB session join request from a User Equipment (UE) via a RAN node, the MB session join request being a request to join a particular MB session. The method further includes determining that the MB session join request is permitted by a subscription of the UE, selecting a MB Session Management Function (MB-SMF) based on information included in the MB session join request, communicating with the MB-SMF to create a MB session context in the AMF and an MB session context in the MB-SMF, and sending a MB session join accept message to the UE.

RAN-5GC interactions for session join, session start, session leave, session stop, and session delete for 5G multicast broadcast services

One aspect provides a method performed by a radio access network node in a telecommunications network. The method comprises: responsive to detection of a trigger event associated with a wireless device having a connection to the telecommunications network via the radio access network node or seeking to establish a connection to the telecommunications network via the radio access network node, transmitting, directly to a user plane core network node, a message initiating establishment of a user-plane tunnel for the connection between the radio access network node and the user plane core network node. The message comprises one or more of: an indication of an identifier of the wireless device; and an indication of an identifier of a session for the wireless device, and further comprises an indication of a downlink tunnel endpoint identifier of the radio access network node.

A method performed by a Radio Access Network (RAN) node for handling a service request from a User Equipment, UE, in a wireless communications network. The RAN node supports a first network slice in a first Area, A1. The RAN node connects () to the UE via A1. The RAN node sends () to a Core Network (CN) node, a service request from the UE. The service request relates to one or more network slices that the UE requests in a certain Area. The RAN node receives () an indication from the CN node. The indication indicates the one or more network slices requested by the UE together with any one or more out of: —A list of network slices that are allowed to be accessed by the UE in the current A1, and—an indication of a new area priority policy associated to the one or more network slices that are requested by the UE. The RAN node decides () how to handle the service request from the UE based on the indication received from the CN node.

Radio network node, core network node and methods in a wireless communications network

Embodiments herein relate to, for example, a method performed by a source radio network node (), for handling communication in a wireless communications network, wherein the source radio network node is adapted to relay data packets between a first radio network node and a UE in the wireless communications network. The source radio network node () transmits to a target radio network node () a message relating to a cell selection and/or a handover for the UE, wherein the message comprises a first user plane indication, and wherein the first user plane indication is an indication of setting up a user plane communication or not for the UE.

Methods and radio network nodes for handling communication

Methods supporting a Quality of Service (QoS) update during a Handover (HO) procedure are disclosed herein. More specifically, methods performed by a Radio Access Network (RAN) node and a Core Network (CN) node for supporting a QoS update during an HO are provided. The methods disclosed herein can facilitate flexible New Generation (NG)-RAN (NG-RAN) deployment with a mixture of NG-RAN nodes capable or incapable of supporting additional parameters in an HO procedure. The methods also make it possible to provide smooth NG-RAN software updates between different software releases.

QoS update handling alternatives during Xn HO

A method for PDU session management. The method includes receiving, at an Access and Mobility Management function entity (AMF), a registration request message transmitted by a user equipment (UE), wherein the registration request message comprises a list of PDU sessions to be activated; and, in response to receiving the registration request message, the AMF transmitting to a session management function (SMF) a request message for requesting the SMF to activate UP resources for at least one of the PDU sessions identified in the list of PDU sessions.

PDU session management

Apparatuses and methods for configuration of downlink data measurement at mobile terminating early data transmission (MT-EDT) are provided. In one embodiment, a method implemented at a network node includes determining whether to measure a size of downlink data for a mobile terminating early data transmission, MT-EDT, procedure associated with a user equipment, UE; as a result of the determination, obtaining a measurement of the size of the downlink data; and optionally, sending the measurement of the size of the downlink data to a second network node.

Configuration of downlink data measurement at mobile terminating early data transmission (MT-EDT)

A method, UE, and computer programs are provided where the UE has multiple universal subscriber identity modules. Information is received from a first PLMN indicating there is one of mobile terminating (MT) signaling or data in the first PLMN while the UE is in a second PLMN. Responsive to receiving the information, a service request is sent to an AMF node of the second PLMN. A radio resource control (RRC) connection release is received from a RAN node in response to sending the service request. Responsive to receiving the RRC connection release, the second PLMN is left to be in the first PLMN.

Graceful leaving procedure for multiple USIM UE

Systems and methods are disclosed herein related simultaneous registration of wireless communication device having multiple Subscriber Identity Modules (SIMs) with two or more networks. In one embodiment, a method performed by a wireless communication device having multiple SIMs comprises registering with a first network associated with a first SIM and registering with a second network associated with a second SIM such that the wireless communication device is simultaneously registered with both the first network and the second network. The method further comprises providing, to a network node associated with the first network, capability information for the wireless communication device that indicates less than full capabilities of the wireless communication device. In this manner, the wireless communication device ensures that it will have sufficient resources to maintain simultaneous connections to both the first and second network.

Multi-SIM dynamic capabilities

Growing community of inventors

Ljungsbro, Sweden

Paul Schliwa-Bertling