Nokia Solutions and Networks Oy

Nokia Technologies Oy

Nokia Siemens Networks Oy

Hmd Global Oy

Krzysztof Kordybach

Klaus Ingemann Pedersen

Ingo Viering

Bernhard Wegmann

Ahmad Awada

Jedrzej Stanczak

Richard Waldhauser

Tero Henttonen

Subramanya Chandrashekar

Guillaume Decarreau

Daniela Laselva

Srinivasan Selvaganapathy

Elena Virtej

Jean-Michel Pugeat

Maciej Januszewski

Jürgen Mayer

Dirk Rose

Antti Anton Toskala

Henri Markus Koskinen

Suresh P Nair

Olav Tirkkonen

Mika Forssell

Yi Zhi Yao

Cinzia Sartori

Anna Pantelidou

Seppo Hamalainen

Muhammad Naseer-Ul-Islam

Hans Thomas Hoehne

Clemens Suerbaum

Karol Drazynski

Halit Murat Gürsu

Ugur Baran Elmali

Irina-Mihaela Balan

Henrik Martikainen

Dario Serafino Tonesi

Yonggang Liu

Agnieszka Szufarska

Petri Eskelinen

Colin Willcock

Matthias Hesse

Jiaoli Min

Przemyslaw Zdrowak

Krzysztof Maliga

Santhosh Bgpura Nanjundaswamy

Badrinath Rokkappanavara

Arled Papa

Mallikarjuna Hb

Dereje Woldemedhin

Seppo Olavi Hamalainen

An apparatus, comprising at least one processor, and at least one memory storing instructions, the at least one memory and the instructions configured to, with the at least one processor, cause a serving secondary node to transmit to a target secondary node a preparation request indicating that an inter-secondary node conditional PSCell change is to be prepared.

Apparatus comprising at least one processor

An apparatus comprising at least one processor, and at least one memory storing instructions that, when executed by the at least one processor, cause a target node at least to: transmit a target node beam information to a source node, wherein the target node beam information characterizes at least one beam of the target node accessed by a user equipment for a handover from the source node to the target node.

Conditional handover with beamforming and son information

A method including using master cell group resources for a downlink data transmission to a user equipment, wherein the user equipment is configured with at least one secondary cell group terminated split bearer and a secondary cell group is deactivated; determining, at a centralized central unit user plane, when secondary cell group resources of the deactivated secondary cell group are needed, wherein the determining is based, at least partially, on a data volume threshold for a data radio bearer as configured by a central unit control plane; and based upon the determining that the secondary cell group resources are needed, sending a notification to the central unit control plane to trigger activation of the secondary cell group resources.

Information exchange between the CU-CP and the CU-UP for flexible SCG (DE) activation

It is provided a method comprising: checking if an indication indicates that a target cell is configured to store concurrently first and second configurations of a terminal, wherein the first configuration is based on a first conditional handover request, and the second configuration data set is based on a second conditional handover request; monitoring if the source cell intends performing a radio reconfiguration of the terminal after the source cell configured the terminal for the first conditional handover; canceling the first conditional handover if the source cell intends performing the radio reconfiguration and the indication does not indicate the concurrently storing; instructing the source cell to request the second conditional handover from the target cell if the source cell intends performing the radio reconfiguration and the indication indicates the concurrently storing.

RRC reconfigurations during conditional handover

It is provided a method comprising monitoring if a source cell intends performing a radio reconfiguration of a terminal configured with a conditional handover from the source cell to a target cell; determining a determined category among plural predetermined categories; wherein the radio reconfiguration is associated to the determined category; for each category a respective predetermined sequence of one or more operations is defined; the respective predetermined of one of the categories is different from the respective predetermined sequence of another one of the categories; and the method further comprises inhibiting the performing of the radio reconfiguration of the terminal unless the predetermined sequence of one or more operations of the determined category is performed along with the performing of the radio reconfiguration if the source cell intends performing the radio reconfiguration of the terminal.

Embodiments of the present disclosure relate to for handover. In response to reception of a request for handover of a second device from a third device to a first device, the first device transmit to the third device an indication that a radio bearer for the second device is to be changed from a split bearer terminated in a fourth device to a Master Cell Group bearer terminated in the first device, the second device being in dual connectivity with the third and fourth devices. The first device receives from the third device a transmission status of data associated with the radio bearer.

Device, method, apparatus and computer readable medium for inter-master node handover

Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for a primary secondary cell (PSCell) change failure. In example embodiments, a master network device receives, from a source secondary network device, a first request for a change of a terminal device from the source secondary network device to a target secondary network device. The master network device receives, from the source secondary network device, an identification of a source PSCell operated by the source secondary network device and serving the terminal device prior to the first request. The master network device further receives, from the terminal device, an indication of a radio link failure of the terminal device in a PSCell and transmits the indication of the radio link failure to the source secondary network device along with the identification of the source PSCell.

Coordinated MRO for PSCell change failure

Methods and apparatus, including computer program products, are provided for conditional handovers. In some example embodiments, there may be provided a method including sending, by a first node serving a user equipment, a message to a second node, the message including an indication of whether a conditional cell change is prohibited at the second node; and receiving, by the first node, an acknowledgment in response to the message.

Conditional handover of master node in the presence of secondary node

A method may include receiving a request for conditional handover from a source node. The method may also include sending a conditional handover request acknowledgment message in response to the request. The method may further include sending a conditional handover cancellation message to a source node. The conditional cancellation message may include a genuine cancellation or a modification-related cancellation. Further, the method may include receiving a response message from the source node in response to the conditional handover cancellation message. In addition, the method may include deciding to keep or release user equipment context based on the response message.

Signaling for target-initiated conditional handover modification via cancellation

An apparatus includes circuitry configured to: initiate a conditional handover preparation for a conditional handover to change communication access for a user equipment from a source node to a target node; receive a cost from the target node following the conditional handover preparation; receive a cause indicating a trigger for sending the cost, an indication of a type of the cost, and a range for the cost, where the cause characterizes a value of the cost to indicate the type of the cost; the cost being based on resource utilization of the target node, the resource utilization being related to providing communication access for the user equipment following the conditional handover preparation; and adjust a policy related to an initiation of a subsequent conditional handover preparation for the user equipment to the target node, the policy adjusted based on the cost to enhance the resource utilization of the target node.

Information exchange through the interfaces for ML-based CHO

A method and apparatus may include configuring, by a network node, a user equipment to use an aggregation of radio technologies. At least one radio bearer is established between the user equipment and the network node and is routed over an access point of an alternate wireless network. The method may also include determining whether trustworthy security is provided by the access point of the alternate wireless network. The method may also include instructing the user equipment to turn off ciphering based on the determining, wherein the ciphering is turned off for the at least one radio bearer between the user equipment and the apparatus. The method may also be used for configuring specific ciphering on selective radio bearers.

Method and apparatus for controlling a ciphering mode

According to an example aspect of the present invention, there is provided a method comprising, determining, by a source base station, a first target cell and a second target cell for a handover of a user equipment, wherein the first target cell and the second target cell are cells of the same target base station, setting, by the source base station, an identifier of a first handover preparation procedure and an identifier of a second handover preparation procedure, wherein the identifier of the first handover preparation procedure is different compared to the identifier of the second handover preparation procedure, initializing, by the source base station, the first handover preparation procedure to the first target cell and the second handover preparation procedure to the second target cell and binding, by the source base station, the identifier of the first handover preparation procedure and the identifier of the second handover preparation procedure.

Preparation of multiple target cells for a handover in a wireless communication network

A method may include receiving, by a secondary node of a third radio access technology (RAT) that is operating as a secondary node for an inter-radio access technology (inter-RAT) dual connectivity connection with a user device from a master node of a first RAT that is operating as a master node for the inter-RAT dual connectivity connection with the user device, a release request including a forward without sequence number indication that instructs the secondary node of the third RAT to forward, without sequence numbers, data for the dual connectivity connection to a target node of a second RAT, wherein the second RAT is different than the first RAT; and forwarding, by the secondary node of the third RAT towards the target node of the second RAT, via a data forwarding path that omits the master node of the first RAT, data without sequence numbers to the target node.

Data forwarding for inter-radio access technology wireless networks

It is provided a method, comprising monitoring if a cell is being started; selecting a temporary physical cell identifier among a predefined pool; instructing the cell to adopt the selected temporary physical cell identifier if the cell is being started; determining a permanent physical cell identifier for the cell, wherein the permanent physical cell identifier does not belong to the predefined pool and is different from each used physical cell identifier, wherein the used physical cell identifiers are indicated in measurement reports; checking if a first time has elapsed after the cell has been instructed to adopt the selected temporary physical cell identifier or a second time has elapsed after the cell has been started; replacing the selected temporary physical cell identifier by the determined permanent physical cell identifier if the first time or the second time has elapsed.

PCI allocation in LTE-U

This specification describes a method comprising responding to a detection of a variation in at least one measured characteristic of a reference signal transmitted from an access point to a portable device by triggering participation by the portable device in vehicle-to-portable device communications. In some examples, the triggering of the participation in the vehicle-to-portable device communications in response to the detection of the variation in the at least one measured characteristic of the reference signal may be performed only if it has been determined that a location of the portable device satisfies a predetermined condition.

Methods and apparatuses relating to V2X communication

Growing community of inventors

Pulawy, Poland

Krzysztof Kordybach