This disclosure relates to techniques for a wireless device to initiate channel occupancy in unlicensed spectrum in a wireless communication system. The wireless device may establish a wireless link with a cellular base station. The wireless device may determine to perform an uplink transmission to the cellular base station on an unlicensed frequency channel. The wireless device may determine whether the cellular base station has channel occupancy of the unlicensed frequency channel. The wireless device may determine whether to initiate channel occupancy of the unlicensed frequency channel. The decision whether to initiate channel occupancy may be based at least in part on whether the cellular base station has channel occupancy of the unlicensed frequency channel.

A method for transmitting information, a terminal device and a network device are provided. The method includes: receiving, by a terminal device, a first value broadcast by a network device, the first value being configured for the terminal device to select a carrier; determining, by the terminal device, a target uplink carrier from a first uplink carrier and a second uplink carrier according to the first value, the first uplink carrier and the second uplink being configured for the terminal device to transmit data and having different frequencies; and sending, by the terminal device, uplink data to the network device over the target uplink carrier.

Disclosed are an information transmission method, a terminal apparatus, a chip, a computer readable storage medium, a computer program product and a computer program. The method comprises: if a sidelink (SL) Buffer Status Report (BSR) is triggered by an event, and if a first condition is met, executing at least one of the following: triggering a scheduling request (SR); transmitting a first uplink channel comprising the SR; packeting a BSR, wherein the BSR at least comprises the SL BSR; or performing transmission of a second uplink channel comprising the packeted BSR.

A method for wireless communication network control includes (1) receiving, at an information technology (IT) device, a first steering policy from an application manager remote from the IT device, the first steering policy specifying a first allocation of data among a plurality of wireless communication links available to the IT device; and (2) sending uplink or downlink data from a first application client on the IT device to a mobility manager remote from the IT device over at least one of the plurality of wireless communication links available to the IT device, according to the first allocation of data.

A method of handling communication traffic from one or more User Equipment (UE) in a Cloud Radio Access Network (CRAN) network includes: analyzing, by an analytics engine in the CRAN network, communication traffic distribution and loads across multiple cell sites; and determining, by the analytics engine, an optimal mapping of one of a specified cell site or a selected sector of a specified cell site to one of a specified virtual machine or server. Communication traffic from a sector of a first cell site having a first type of traffic load profile and communication traffic from a sector of a second specified cell site having a second type of traffic load profile are aggregated by a single specified virtual machine or server.

A method of generating an uplink classifier (UL CL) via a session management function (SMF) includes: requesting a network data connection and analysis function (NWDAF) to provide data related to the UL CL for controlling a flow of network traffic; receiving the data related to the UL CL from the NWDAF; selecting at least one of a plurality of user plane functions (UPFs) based on the received data related to the UL CL; and creating the UL CL in the selected at least one UPF.

This application describes a data transmission method, a terminal device, and a network device. The method may include determining, by a medium access control (MAC) layer of a terminal device, a first MAC control element and a second MAC control element. The method may also include simultaneously transmitting, by the terminal device, the first MAC control element and the second MAC control element on different uplink transmission resources. The data transmission method, the terminal device, and the network device in embodiments of this application help to improve data transmission reliability.

Method handling uplink (UL) bearer split configuration in multi-connectivity system includes identifying first UL data of a packet data convergence protocol (PDCP) layer, transmitting first data of first UL data to a primary radio link control (RLC) entity for a first time period, and transmitting second data of the first UL data to a secondary RLC entity for a second time period, identifying at least one first network parameter of a first UL path associated with the primary RLC entity for the first time period, and identifying at least one second network parameter of a second UL path associated with the secondary RLC entity for the second time period, determining a split factor for splitting second UL data of the PDCP layer between the primary RLC entity and the secondary RLC entity based on the at least one first network parameter and the at least one second network parameter, and transmitting the second UL data to the primary and secondary RLC entities for a third time period based on the split factor.

A method for transmitting information, a terminal device and a network device are provided. The method includes: receiving, by a terminal device, a first value broadcast by a network device, the first value being configured for the terminal device to select a carrier; determining, by the terminal device, a target uplink carrier from a first uplink carrier and a second uplink carrier according to the first value, the first uplink carrier and the second uplink being configured for the terminal device to transmit data and having different frequencies; and sending, by the terminal device, uplink data to the network device over the target uplink carrier.

A communication method includes determining, by a terminal side device in a mobile communications system, N random access preambles on N uplink bandwidth parts (BWPs) in a random access process, where N is an integer greater than or equal to 2, and sending, by the terminal side device, the N random access preambles to a network side device so that the terminal side device can perform random access on a plurality of uplink BWPs. In this method, the network side device or each terminal side device may subsequently perform random access on any one of the N uplink BWPs.