An access and mobility management function (AMF) of a 5G core network configured to transmit a network function registration request to a network resource function (NRF), receiving a response to the network function registration request from the NRF, transmit a network function discovery request to the NRF, the network function discovery request including one or more single network slice selection assistance information (S-NSSAI) and an indication that the discovery request is for a network slice admission control function (NSACF) and receive a network function discovery response from the NRF, wherein the network function discovery response includes a NSACF address.

Described are examples for receiving, by a network node, a request message from a user equipment (UE) to establish or modify a protocol data unit (PDU) session for the UE, and transmitting, by the network node, to the UE, and based on the request, a command message to establish or modify the PDU session for the UE, wherein the command message includes multiple traffic flow template (TFT) information elements per bearer.

The disclosure relates to a 5.sup.th generation (5G) or 6.sup.th generation (6G) communication system for supporting a higher data transmission rate. A method performed by a first network entity in a wireless communication network is provided. The method includes transmitting, to a second network entity, a first message including data to be used in a plurality of networks included in a virtual network (VN) group, a VN identifier (ID), group data, and receiving, from the second network entity in response to the first message, a second message including the data to be used in the plurality of networks, the VN ID, the group data, information indicating a processing result related to the first message.

Aspects of the subject disclosure may include, for example, monitoring communication traffic in a communication network including a plurality of cell sites and a plurality of collector circuits over a time period, storing information about the communication traffic and information about available network resources in a database and predicting where additional capacity will be needed in the communication network at a future time, wherein the predicting is based on the information about the communication traffic. The subject disclosure may further include improving assignment of additional capacity in the communication network between the plurality of cell sites and the plurality of collector circuits based on the information about available network resources and communicating with network switches to assign the additional capacity within the communication network and initiate communication in the communication network. Other embodiments are disclosed.

Aspects of the subject disclosure may include, for example, monitoring communication traffic in a communication network including a plurality of cell sites and a plurality of collector circuits over a time period, storing information about the communication traffic and information about available network resources in a database and predicting where additional capacity will be needed in the communication network at a future time, wherein the predicting is based on the information about the communication traffic. The subject disclosure may further include improving assignment of additional capacity in the communication network between the plurality of cell sites and the plurality of collector circuits based on the information about available network resources and communicating with network switches to assign the additional capacity within the communication network and initiate communication in the communication network. Other embodiments are disclosed.

Methods, systems, and devices for wireless communications are described. A wireless device (e.g., a user equipment and/or base station) may operate in a first mode in a wireless network over a radio frequency spectrum band. The wireless device may receive a signal indicating that a value of the radio frequency spectrum band has satisfied a threshold value. The wireless device may switch, based at least in part on the signal indicating that the value has satisfied the threshold value, from the first mode to a second mode for wireless communications in the wireless network, wherein a first length of a first synchronization signal block associated with the first mode is shorter than a second length of a second synchronization signal block associated with the second mode.

Methods, systems, and devices for wireless communications are described. A wireless device (e.g., a user equipment and/or base station) may operate in a first mode in a wireless network over a radio frequency spectrum band. The wireless device may receive a signal indicating that a value of the radio frequency spectrum band has satisfied a threshold value. The wireless device may switch, based at least in part on the signal indicating that the value has satisfied the threshold value, from the first mode to a second mode for wireless communications in the wireless network, wherein a first length of a first synchronization signal block associated with the first mode is shorter than a second length of a second synchronization signal block associated with the second mode.

One disclosure in the present specification provides a session management method performed by a session management function (SMF) node. The session management method may comprise: a step of transmitting, to a user plane function (UPF) node, a request message for discarding traffic buffering, when a notification of the detection of particular traffic associated with a wireless device has been received, and if additional authentication is required for the particular traffic; and a step of transmitting a message for triggering the wireless device to establish a new packet data unit (PDU) session, to an access and mobility management function (AMF) node.

Disclosed is a 5G or a pre-5G communication system provided to support a higher data transmission rate than that of post-4G communication systems such as LTE. A method of operating a network node in a wireless communication system includes: receiving, from at least one user plane function (UPF) instance, a registration request message including UPF profile information of the at least one UPF instance; storing the UPF profile information including UPF service support information for at least one UPF service supported by the at least one UPF instance, receiving, from a session management function (SMF) node, a UPF discovery request message including UPF service information; discovering one or more UPF instance based on the UPF profile information and the UPF service information; and transmitting, to the SMF node, UPF instance information for the one or more UPF instance.

A disclosure of the present specification provides a method for performing, by a visited public land mobile network-policy control function (V-PCF), communication using edge computing. The method comprises the steps of: establishing UE policy association with a home public land mobile network-policy control function (H-PCF); receiving a first subscription message from the H-PCF; and transmitting a second subscription message to a visited public land mobile network-unified data repository (V-UDR). The first subscription message is a message that requests a notification, according to edge application server (EAS) information being updated or modified, the second subscription message is a message that requests a notification, according to the EAS information being updated or modified, the second subscription message is based on the first subscription message, and the EAS information may be information that is generated by an application function (AF) and transmitted to the V-UDR.