Nokia Solutions and Networks Oy

Nokia Technologies Oy

Nokia Corporation

Nokia Siemens Networks Oy

Other

Hmd Global Oy

Nokia Technology Oy

Henri Markus Koskinen

Woonhee Hwang

Benoist Sebire

Chunli Wu

Claudio Rosa

Xiang Xu

Johanna Katariina Pekonen

Jarkko Tuomo Koskela

Guillaume Decarreau

Tero Henttonen

Esa Mikael Malkamaki

Esa Mikael Malkamäki

Seppo Ilmari Vesterinen

Samuli Heikki Turtinen

Devaki Chandramouli

Ilkka Antero Keskitalo

Antti Anton Toskala

Elena Virtej

Lei Du

Esa Tapani Tiirola

Timo Koskela

Timo Erkki Lunttila

Sami-Jukka Hakola

Osman Nuri Can Yilmaz

Daniela Laselva

Karri Markus Ranta-Aho

Jeroen Wigard

Juha Sakari Korhonen

Mika P Rinne

Kodo Shu

Mikko J Rinne

Tommi Tapani Koivisto

Tsunehiko Chiba

Matti Einari Laitila

Thomas Höhne

Jussi Kustaa Ojala

Amaanat Ali

Mikko Saily

Seppo M Alanara

Dawid Koziol

Krzysztof Kordybach

Subramanya Chandrashekar

Leping Huang

Oliver Blume

Esa Malkamäki

Xiao Tang Xie

Kaisu Iisakkila

Jani Matti Johannes Moilanen

Andrea Cattoni

Igor Filipovich

Tommi Juhani Zetterman

Hongyuan Chen

Demian Martos-Riano

Tuomas Tapio Hakuli

Arpad Drozdy

Raino Lintulampi

Guillaume Sébire

Tommi Tapani Kovisto

Jussi Matti Sipola

Antti-Veikko Pii̠pponen

Georg-Raffael Janczyk

Osman Yilmaz

Ali Amaanat

Antti-Veikko Puupponen

Examples of the disclosure relate to an apparatus comprising means for: receiving configuration information to enable communication with a first node apparatus and with a second node apparatus, wherein the configuration information relates to split bearer communication; using the configuration information relating to the first node apparatus to communicate with the first node apparatus; storing the configuration information relating to the second node apparatus; and using the stored configuration information to switch from communicating with the first node apparatus to communicating with the second node apparatus if communicating with the first node apparatus has failed.

Fast master cell group (MCG) failure recovery

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

Embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media for transferring traffic in integrated access and backhaul (IAB) communication. According to embodiments of the present disclosure, a first Central Unit-Control Plane (CU-CP) of a first IAB donor transmits, to a second CU-CP of a second IAB donor, a request to transfer target traffic via a Distributed Unit (DU) of the second IAB donor. The request comprises first information of the target traffic. The first CU-CP receives, from the second CU-CP, second information to be used for configuring the target traffic. This solution can improve the reliability and robustness of the IAB communication.

Transferring traffic in integrated access and backhaul communication

There is disclosed method for a network apparatus, the method comprising configuring the network apparatus to use a first transmit and/or receive pattern selected from a plurality of available transmit and/or receive patterns for performing discovery procedures with another network apparatus, wherein the first transmit and/or receive pattern is selected from said plurality in dependence on at least the mobility of said network apparatus and/or on the relative mobility of said network apparatus to said another network apparatus.

Communication system

Embodiments of the present disclosure relate to for inter-CU topology adaptation. A first device establishes a communication interface between the first device and a second device. The first device receives from the second device a handover complete message indicating that a handover of the second device from a third device to the first device is completed. The first device transmits to the second device a command indicating the second device to activate cells configured by the first device.

Device, method, apparatus and computer readable medium for inter-CU topology adaptation

A relay node within a network, the network further comprising at least one donor node coupled to the relay node, and a mobile termination coupled to the relay node and at least one donor node, the relay node comprising means for: receiving a configuration message; configuring the relay node, based on the configuration message, to perform at least one of: receiving packets from the mobile termination and originating from one of the donor nodes; and sending packets to one of the donor nodes by transmitting them to the mobile termination.

Method and apparatus for resource allocation

Systems, methods, apparatuses, and computer program products for controlling operations of an integrated access and backhaul (IAB) node are proposed. In some embodiments, an integrated access and backhaul node may receive a message indicating that a handover of the integrated access and backhaul node is to be performed; and stop admission of new user equipment to an active radio cell of the integrated access and backhaul node based on the message received.

Controlling operations of an integrated access and backhaul (IAB) node

Example embodiments of the present disclosure relate to devices, methods, apparatuses and computer readable storage media of signaling reduction at handover of an IAB node. The method including sending, from a first device to a second device, a request message for a handover from the first device to the second device for a third device, the request message including a first cell configuration of the third device associated with the first device; receiving, from the second device, a response message acknowledging to the request, the response message including a resource configuration for a connection between the third device and the second device and a second cell configuration of the third device associated with the second device and sending the resource configuration to the third device. In this way, the signal overhead for the handover of an IAB node may be reduced significantly.

Signaling reduction at handover of an IAB node

Methods and apparatus, including computer program products, are provided for resuming connections. In some example embodiments, there may be provided a method that includes receiving, at a user equipment, a radio resource control connection resume message; verifying, at the user equipment, an integrity of the received radio resource control connection resume message, wherein the user equipment verifies the integrity based on a predetermined value of a packet data convergence protocol hyper frame number; and resuming, by the user equipment, use of a suspended radio resource control connection, when the integrity verification of the received radio resource connection resume message is passed successfully. Related systems, methods, and articles of manufacture are also described.

PDCP count handling in RRC connection resume

An apparatus of wireless communications comprising at least one processor, and at least one memory including computer program code, wherein the at least one memory and computer program code configured to, with the at least one processor, cause the apparatus at least to: detect a radio link failure of a master cell group; suspend master cell group transmission for radio bearers, based on the detecting; and transmit or report a radio resource control indication over at least one of a signaling radio bearer between the apparatus and a secondary node, or a secondary cell group leg of a split signaling radio bearer.

Failure indication of master cell group with fallback to radio resource control re-establishment

A method and apparatus may include configuring a split bearer. The split bearer is configured with a first data path between a user equipment and a first network node, and the split bearer is also configured with a second data path between the user equipment and a second network node. The split bearer is configured for a switching operation. The switching operation includes an operation where data transmission is restricted to be towards only one of the first data path and the second data path. The method also includes first transmitting on the split bearer towards the first data path. The method also includes performing the switching operation. The transmitting towards the first data path is switched to transmitting towards the second data path. The method also includes second transmitting on the split bearer towards the second data path.

Method and apparatus for implementing efficient switching on a split bearer

An apparatus comprising: at least one processor; and at least one memory including computer program code; the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus at least to: receive () a request to create context for a migrating node and optionally at least one child node of the migrating node; allocate () addresses to the migrating node and optionally the at least one child node of the migrating node; and send () the addresses allocated to the migrating node and optionally the at least one child node of the migrating node, prior to the migrating node migrating from a source to a target.

Apparatus, method, and computer program

A device communicates with a terminal in association with at least a first other device, using at least two carriers, wherein at least a first carrier towards the terminal is established from the device and at least a second carrier is established towards the terminal from the first other device. The device receives a report indicative of a connection quality of the first carrier, responsive thereto issues a request for handover of the first carrier towards a second device, sends relocation information in relation to the first carrier towards the first other device, and only after sending that relocation information, commands the terminal to perform a handover of the first carrier to the second device. Such device, in cooperation with other devices, accomplishes an optimized handover in terms of a primary component carrier relocation from a serving eNB towards a target eNB, while a secondary component carrier is maintained.

Devices, methods and computer program products for an improved handover in inter-site carrier aggregation scenarios

Growing community of inventors

Espoo, Finland

Henri Markus Koskinen