Telefonaktiebolaget Lm Ericsson (publ)

Torbjörn Örtengren

Stefan Eng

Martin Skarve

Samir Shah

Torsten Dudda

Mikael Wittberg

Thomas Walldeen

Göran Hansson

Svante Järvstråt

The invention refers to a method performed by a control plane, CP, functional part () of a base station, the method comprising establishing a transport network layer, TNL, association with a network function (B) that supports a plurality of user plane, UP, functional parts of first base station; transmitting to the network function a request message () comprising information for selecting a first UP functional part among the plurality of UP functional parts; and receiving, in response to the request message, a response message () transmitted by the network function, wherein the response message comprises an identifier of the first UP functional part. The invention further refers to corresponding methods performed by the UP functional part, the network function, and to a corresponding base station.

Functional part selection in a disaggregated base station

The invention relates to a method performed by a network function capable of supporting at least a user plane, UP, functional part of a base station (B), comprises establishing a transport network layer, TNL, association with a control plane, CP, functional part of the base station; receiving a request message () from the CP functional part of the base station (), wherein the request message comprises an identifier of the base station; creating a UP functional part of the base station using the identifier of the base station; and transmitting a response message () to the CP functional part of the base station, wherein the response message comprises an identifier of the created UP functional part of the base station; the invention further relates to a method performed by a CP functional part of a base station; and to corresponding network node adapted to perform above-described methods.

Automatic central unit user plane creation

Embodiments herein relate to a method performed by a transmitting device () for handling communication in a wireless communications network, wherein the transmitting device () comprises at least two radio link control, RLC, entities and is configured with a split bearer to a receiving device (). The transmitting device () identifies that a last transmitted protocol data unit, PDU, of one of the at least two RLC entities, is lacking a poll indicator requesting a status of one or more transmitted PDUs. When identifying that the last transmitted PDU lacks the poll indicator, the transmitting device transmits to the receiving device (), a PDU comprising a poll indicator.

Transmitting device and method performed therein for handling communication

A method performed by a network node for transmission of a Packet Data Convergence Protocol, PDCP, Protocol Data Unit, PDU, to a wireless communications device is provided. The network node and the wireless communications device operate in a wireless communications network. The network node arranges () a number of PDCP PDUs in a numerical order based on their respective PDCP Sequence Number, SN. The number of PDCP PDUs is taken from a first set of PDCP PDUs comprising one or more first time transmitted PDCP PDUs and from a second set of PDCP PDUs comprising one or more retransmitted PDCP PDUs. The one or more first time transmitted PDCP PDUs and the one or more retransmitted PDCP PDUs are received from a controlling node. The network node transmits () the number of the PDCP PDUs in the numerical order to the wireless communications device

Transmission of a packet data convergence protocol (PDCP) protocol data unit (PDU) in a wireless communication network

A method performed by a control node for handling communication of data of one or more wireless devices in a wireless communications network. The control node triggers a control process on radio access bearers (RAB) and identifies more than one RAB, to perform the control process on, for at least one wireless device. The control node further bundles control information associated with the identified more than one RAB in a control signal; and provides to a process node, the control signal for the identified more than one RAB.

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Linköping, Sweden

Torbjörn Örtengren