Abstract: A session management function (SMF) receives, from an access and mobility management function (AMF), a first request to establish a first session for a wireless device. The first request comprises a cellular internet-of-things (IoT) optimization indication for transfer of data of cellular IoT over a control plane. A second request to establish a second session between the SMF and the UPF is sent to a user plane function (UPF). The data for cellular IoT is received from the UPF via the second session. The data is sent to the AMF via the first session.

Abstract: A base station central unit receives, from a base station distributed unit, assistance information comprising information of subsequent data for a small data transmission procedure of a wireless device. Based on the assistance information, the base station central unit sends, to the wireless device, a radio resource control release message or a radio resource control message indicating transition to a radio resource control connected state.

Abstract: A wireless device in an RRC connected state receives a radio resource control (RRC) message from a base station. The wireless device transitions from the RRC connected state to an RRC inactive station in response to the RRC message. The RRC message indicates an active time period in which the wireless device is reachable by paging. The wireless device monitors to receive a paging message during the active time period after the transitioning. The wireless stops monitoring for the paging message in response to the expiration of the active time period.

Abstract: A base station receives, from an access and mobility management function (AMF), core network assistance information to assist radio access network (RAN) paging. The core network assistance information indicates that first paging occasions are conflicted with second paging occasions for a wireless device. Based on the core network assistance information a RAN paging adjustment of the first paging occasion is determined. A radio resource control (RRC) message is sent to the wireless device. The RRC message is for a transition the wireless device from an RRC connected state to an RRC inactive state. The RRC message comprises a parameter indicating the RAN paging adjustment. A RAN paging message based on the RAN paging adjustment is sent to the wireless device. A second RRC message to request a connection resuming with the wireless device is received from the wireless device.

Abstract: A base station receives, from a wireless device, at least one first radio resource control (RRC) parameter comprising one or more identifiers of one or more closed access groups (CAGs). The base station transmits, to the wireless device, at least one second RRC parameter indicating that the wireless device is allowed to access a CAG of the one or more CAGs, wherein the at least one second RRC parameter comprises an identifier of the CAG. The base station receives a random access preamble via a cell associated with the CAG that the wireless device is allowed to access.

Abstract: A second base station sends, to a first base station, a handover request comprising a time sensitive networking (TSN) bridge parameter of a TSN bridge, wherein the TSN bridge parameter comprises a TSN bridge identifier. The second base station receives a handover acceptance from the first base station for the handover request.

Abstract: An access and mobility management function (AMF) receives from a wireless device, a first message indicating a request for a group communication session. The first message comprises a group communication session identifier. The AMF selects a session management function (SMF) for the group communication session of the wireless device. The AMF sends to a unified data management function (UDM), a second message to create a group context information. The second message comprises the group communication session identifier and an identifier of the SMF associated with the group communication session identifier.

Abstract: Methods and systems for group re-authentication of devices in a wireless telecommunication network are provided. According to one aspect, a method of operation of a base station in a wireless telecommunication network comprises receiving a group authentication request message from a mobility management entity, the group authentication request message comprising a group identifier; identifying at least one user equipment as belonging to a group identified by the group identifier; sending an individual authentication request message to each identified UE; receiving an authentication response from at least one of the identified UE; aggregating the received at least one authentication response to create a group authentication response message; and sending the group authentication response message to the mobility management entity.

Abstract: An access and mobility management function receives, from a session management function, a request to set up a communication with a wireless device for transmitting downlink data. The access and mobility management function sends, based on the request, to the base station, a first paging message for a closed access group (CAG) wireless device that is allowed to access CAG cells. The first paging message indicates transitioning the CAG wireless device from an idle state to a connected state. The first paging message comprises a parameter indicating whether the wireless device is allowed to access non-CAG cells.

Abstract: A session management function (SMF) comprises one or more processors and memory storing instructions. When executed by the one or more processors, the instructions cause the SMF to send, to a policy control function (PCF), a policy request message. The policy request message comprises a non-public network (NPN) identifier of an NPN through which a wireless device accesses a public land mobile network (PLMN) and a PLMN identifier of the PLMN. When executed by the one or more processors, the instructions cause the SMF to receive, from the PCF, a policy response message comprising a charging control policy.

Abstract: A user plane function (UPF) receives, from a session management function (SMF), a session configuration message. The session configuration message comprises a packet detection rule (PDR) for a group communication session. The PDR comprises a multicast address mapped to a plurality of wireless devices associated with the group communication session. The PDR comprises a forwarding rule for packets associated with the multicast address. Data packets comprising the multicast address are received. Based on the PDR, the data packets are sent to the plurality of wireless devices.

Abstract: A wireless device receives an identifier of a communication service provider. The wireless device determines to establish a PDU session for a network slice associated with a service of the communication service provider. The wireless device sends to a session management function a first message requesting establishment of the PDU session, the first message comprises a single network slice selection assistance information of the network slice and an identifier of the communication service provider. The wireless device receives from the SMF a second message accepting the establishment of the PDU session.

Abstract: A wireless device receives, from a base station, a system information block (SIB) indicating that restricted local operator services (RLOS) are supported by a public land mobile network. A preamble transmitting based on the SIB indicating the support for the RLOS. A random access response to the preamble is received. First radio resource control (RRC) message(s) are transmitted, based on the random access response comprising: a first information element indicating, to the base station, that an RRC connection of the wireless device is for the RLOS; and a second information element comprising an attach request message indicating, to a mobility management entity (MME) configured with an RLOS access point name, that the attach request of the wireless device is for the RLOS. A second RRC message comprising an attach accept message indicating acceptance of the RLOS by the MME is received from the base station.

Abstract: A second base station receives, from a first base station, a radio access network (RAN) paging message for a wireless device. The RAN paging message comprises a parameter indicating whether the wireless device is allowed to access a non-closed access group (CAG) cell. The second base station sends a second paging message via a cell determined based on the cell being the non-CAG cell and the parameter indicating that the wireless device is allowed to access a non-CAG cell.

Abstract: A first network node receives, from a second network node, at least one first message indicating a status of the second network node. The first network node determines, based on the status, to transfer a plurality of sessions for a plurality of wireless devices from the second network node to a third network node. The first network node sends, to the third network node, a second message indicating an establishment request of the plurality of sessions for the plurality of wireless devices. The second message comprises session identifiers of the plurality of sessions.

Abstract: A mobility management entity (MME) receives, from a wireless device, an indication that the wireless device supports a first number of bearers. A network gateway is selected from a plurality of network gateways based on a second number of bearers supported by the network gateway. A request for creating a session for the wireless device is send to the network gateway. A response confirming creation of the session is received from the network gateway.

Abstract: A wireless device receives configuration parameters from a base station. The configuration parameters are for a first session and a second session. The second session is for a packet duplication of the first session. The wireless device receives an activation indication of the packet duplication. Based on the activation indication of the packet duplication, the wireless device sends packets of the first session to a user plane function and a duplication of the packets to the user plane function via the second session.

Abstract: A session management function (SMF) comprises one or more processors and memory. The memory stores instructions that, when executed by the one or more processors, cause the SMF to receive, from a network exposure function (NEF), a message comprising downlink data from an application server and for transmission to a wireless device, and a release assistance indicator (RAI), the RAI indicating, transmission of uplink data by the wireless device is expected subsequent to transmission of the downlink data and a release of a connection associated with the wireless device after the transmission of the uplink data, receive an indication that the uplink data is transmitted, and send, to an access and mobility management function (AMF) based on receiving of the indication, a release message indicating release of a non-access stratum connection associated with the wireless device, the release message comprising the RAI.

Abstract: A first base station receives a first request to notify a change of a closed access group (CAG) area of a wireless device. The first base station determines the change of the CAG area of the wireless device, and sends, to an access and mobility management function (AMF) and based on the determining, a location report message indicating the change of the CAG area of the wireless device.

Abstract: A session management function (SMF) receives, from a wireless device, an indication that an always-on packet data unit (PDU) session is requested. The SMF determines to establish the PDU session as an always-on PDU session based on: the indication that the always-on PDU session is requested; and the PDU session being for an ultra-reliable low-latency communication (URLLC) service. The SMF sends, to the wireless device, an indication that the PDU session is to be established as the always-on PDU session.