Telefonaktiebolaget Lm Ericsson (publ)

Robert Petersen

Edwin Tse

John Power

Fredrik Gunnarsson

András Rácz

Stefan Engström

Anna Pucar Rimhagen

Nicklas Johansson

Cecilia Eklöf

Andreas Olsson

Per Elmdahl

Per-Daniel Stålnacke

Gunnar Mildh

Walter Müller

Brendan Hassett

Bengt Lindoff

Karl Norrman

Pradeepa Ramachandra

Mattias Bergström

Bo Hagerman

Arne Simonsson

Nianshan Shi

Johan Moe

Malik Wahaj Arshad

Waikwok Kwong

Angelo Centonza

Sara Landström

Mats Buchmayer

Filip Barac

Norbert Reider

Gunnar Heikkilä

Wei Shen

Sven Harald Ekemark

Atle Monrad

Björn Magnusson

Diana Andrei

Ulf Hubinette

Peter Loborg

Frederik Gunnarsson

Lars Göran Gros

András Ràcz

Meta Landstedt

Esko Leinonen

Sven Ekemark

Per-Daniel STÅLNACKE

Embodiments include methods for a first radio network node (RNN) in a wireless network to configure quality of experience (QoE) measurements by user equipment (UEs). Such methods include receiving, from a measurement function in the wireless network, a QoE measurement configuration (QMC associated with one or more service types; and configuring one or more UEs with the QMC. Such methods also include sending to a second RNN in the wireless network, a first request for handover of a particular one of the UEs from a first cell served by the first RNN via a first radio access technology (RAT) to a second cell served by the second RNN via a second RAT. The first request includes the QMC. Other embodiments include complementary methods performed by a second RNN or by a UE, as well as first RNNs, second RNNs, and UEs configured to perform such methods.

Quality-of-experience (QoE) measurements it inter-radio access technology (IRAT) handover

A method () performed by a wireless device () includes receiving (), from a network node (), a Minimization of Drive Test, MDT, configuration for a master cell group, MCG, and a secondary cell group, SCG. While the wireless device is in an idle state or an inactive state and operating according to a first Radio Access Technology, RAT, the wireless device logs () MDT measurements for the MCG and the SCG based on the MDT configuration. After transitioning from the idle or inactive state to a connected state and after handover from a source cell associated with the first RAT to a target cell associated with a second RAT, the wireless device transmits () at least one MDT report to a target network node associated with the target cell.

Handling of logged minimization drive test configurations in dual connectivity scenario

A technique for Quality of Experience (QoE) or Application Layer (AL) measurements at high load is described. As to one method aspect of the technique for reporting QoE measurements from a radio device () wirelessly connected or connectable to a radio access network, RAN (), the method () comprises or initiates a step of receiving () a stop control message () from or through the RAN () at the radio device (), the stop control message () being indicative of a command for storing () results of the QoE or AL measurements at the radio device () and stopping () the radio device () from reporting () the stored results of the QoE or AL measurements to or through the RAN.

Technique for reporting quality of experience (QoE)—and application layer (AL) measurements at high load

In a network Performance Measurement (PM) model, network equipment () maintains () a ManagedElement object. The ManagedElement object contains one or more ManagedFunction objects which perform and report measurements. Each ManagedFunction object has one or more Measurement objects () that specifies a measurement, and lists a reporting period. The ManagedElement object contains a PMControl object (), which specifies the reporting mode and includes an administrative state attribute of the ManagedElement object that is controlled by the network management system (). The ManagedElement object controls () an operational state attribute of the PMControl object based on resources to perform the measurement and access to the relevant reporting mechanism (). When both states of the PMControl object are set to a functional value (), the ManagedFunction objects perform () and report () the results of measurement specified in associated Measurement objects.

Management model for network equipment performance measurements

A radio access network (RAN) node () in a RAN () of a wireless communication network () signals a wireless device () to stop reporting Quality of Experience (QoE) measurements to the RAN (), and notifies a management system () in a core network () of the wireless communication network () that the reporting of QoE measurements to the RAN () has stopped.

Notifying a management system of quality of experience measurement reporting status

There is provided a method for network management performed by a first entity (), which is configured to manage network slices in a network. The method is performed in response to a first request to set up a first network slice. The method comprises identifying () one or more network nodes in the network and/or one or more second network slices to support the first network slice. For each identified network node, an update to an attribute of the identified network node is initiated () to add a unique identifier of the first network slice to the attribute of the identified network node. For each identified second network slice, an update to an attribute of the identified second network slice is initiated () to add the unique identifier of the first network slice to the attribute of the identified second network slice.

Network management

In a network Fault Management (FM) model, network equipment () maintains a ManagedElement object (). The ManagedElement object contains one or more ManagedFunction objects () with each ManagedFunction object () comprising an FMControl object specifying the capabilities of the ManagedFunction objects to produce, report, and log fault reports, a Fault Type List object () listing the various types of faults the ManagedFunction object can detect, report, and log, and a currentFaultList object () listing the current faults and associated fault information. The FMControl object further includes several attributes that are set by a Management System () to control the reading of fault reports as well as the sending of the fault reports to other interested network nodes ().

Management model for node fault management

There is provided a method for network management. Transmission of a request for performance of a management task on the network is initiated towards a second entity (), which is configured to manage network slices of the network. The request comprises information identifying a first network slice () of the network and a first programming construct executable to cause the second entity () to identify one or more second network slices of the network that are supporting the first network slice () and/or one or more first network nodes () of the network supporting the first network slice (). The request comprises a second programming construct executable to cause the second entity () to select the first network slice (), one or more identified second network slices, and/or one or more identified first network nodes (), on which to perform the management task.

A method of operating a UE to provide feedback on a streaming session. The method includes determining when a streaming session used by an application layer of the UE is being started and/or ended. Responsive to the determination, the method transmits an indication to a RAN that the streaming session is being started and/or ended. A corresponding method of operating a network node is provided to control reporting relating to streaming sessions of UEs. The method by the network node receives an indication from an UE that a streaming session is being started and/or ended, and controls whether a Quality of Experience (QoE) configuration file is sent to the UE responsive to the indication.

Method for feedback of streaming session

Methods and apparatus for correlating event notifications between agents in a management network are provided. An agent constructs a network notification in response to receiving an event notification. If the received event notification is associated with a prior notification already received and stored by the agent, a correlation attribute is added to the constructed network notification. If the received notification matches a peer agent notification category that another agent in the management network is interested in receiving, the constructed network notification is sent to the other agent.

Method and management agent for event notifications correlation

According to the invention a core network management device () in a core network section (CN) of the wireless network (WN) receives a request for a tracing regarding a wireless terminal (). The request includes an address of a destination device () that is to receive trace log data or data enabling the locating of the address. The core network management device () then automatically orders, based on the request, network elements () of an access network section (AN) of the wireless network (WN) to perform tracing regarding the wireless terminal () and ensures that the trace log data is sent to the destination trace log data handling device (). The request with the address may be sent from an access network management device () in the access network section (AN).

Ordering tracing of wireless terminal activities

A technique for reporting events from a mobile device to a cellular network () is provided. The mobile device is wirelessly connectable to the cellular network (). As to a method aspect of the technique, records of the events are stored while the mobile device is out of network coverage. The stored records are reported to the cellular network () when the mobile device is wirelessly connected to the cellular network ().

Technique for reporting out-of-coverage events in wireless communication

Provided are methods for handling reports on lost connections in a terminal device which is capable of being in communication connection with a plurality of network access nodes, wherein the terminal device generates, after having lost connection to a first network access node, a report on the loss of connection. The terminal device stores the report when the terminal device is reconnected to a third network access node comprising one of a different access technology, a different network, and a different network operator than the first network access node to which the terminal device was connected before the loss of connection. The terminal device also sends, upon or after reconnecting with one of the first and a second network access node, sending the report to one of the first and second network access nodes.

User equipment reporting of connection loss

A method in a first network node for handling traffic tracing of a user equipment. The first network node is comprised in a first Radio Access Technology, RAT, system. The first network node starts a handover procedure to handover the user equipment from the first RAT system to a second RAT system. The user equipment has an active traffic tracing ongoing in the first RAT system. The traffic tracing relates to tracing associated with communication between the user equipment and the first RAT system. The first network node sends a message to a second network node in the second RAT system. The message is sent directly to the second network node or via one or more intermediate network nodes. The message comprises one or more parameters relating to the ongoing traffic tracing of the user equipment. The parameters define when the traffic tracing is to continue in the second RAT system.

Network nodes and methods for handling traffic tracing of a user equipment

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Linköping, Sweden

Robert Petersen