Example transmission rate control methods and apparatus are described. One example method includes obtaining a user equipment aggregate maximum bit rate (UE-AMBR) by a master base station. The master base station determines, based on the UE-AMBR, a first UE-AMBR used for the master base station and a second UE-AMBR used for a secondary base station. The master base station sends the second UE-AMBR to the secondary base station, and sends instruction information used to instruct the secondary base station to control data splitting for the master base station to the secondary base station. In this application, a transmission rate between each base station and a UE is controlled by allocating a UE-AMBR.

The embodiments of the disclosure relate to a data transmission method, a terminal device and a Core Network (CN) device. The method includes that: a terminal device determines a target access type for uplink data in multiple different access types; the terminal device determines a target-type CN corresponding to the target access type according to a correspondence between an access type and a CN type; and the terminal device sends the uplink data by use of at least one data flow corresponding to the target-type CN. According to the data transmission method, terminal device and CN device of the embodiments of the disclosure, transmission efficiency may be improved.

Disclosed are a signaling transmission method and apparatus, base station and terminal. The signaling transmission method includes: a base station determines a manner for a terminal transmitting signaling data on a signaling radio bearer; and the base station transmits instruction information for instructing the terminal whether to transmit the signaling data on the signaling radio bearer in a separate transmitting manner to the terminal.

This application provides a direct link-based data transmission method and apparatus, and a terminal, and relates to the field of communications technologies. The method includes: obtaining configuration information that includes at least one carrier identifier and a load threshold corresponding to the at least one carrier identifier; selecting, based on a load capacity of each first transmission carrier and the load threshold corresponding to the first transmission carrier, at least one transmission carrier from all the first transmission carriers as a second transmission carrier, where each first transmission carrier corresponds to one carrier identifier; and transmitting direct link data on the second transmission carrier. In this application, the load threshold is set for the transmission carrier, so that the transmission carrier can be selected based on the load capacity of the transmission carrier and the corresponding load threshold, thereby improving data transmission quality.

A gateway, for use with a first and a second access point device (APD), scans channels within a spectrum of channels. The gateway includes a delegating component, a communication component, and a load balancing component. The delegating component is operable to instruct each APD to monitor for presence of a signal on any one of a respective first or second set of channels within the spectrum. The communication component is operable to receive from the first APD a channel-in-use signal associated with an in-use channel of the first set of channels; transmit a notification signal to the second APD based on the channel-in-use signal; transmit the instruction to the first APD and the second APD; and receive a communication signal from either APD as a result of the transmission. The load balancing component is operable to determine a communication volume on each of the first set of channels, and to generate an instruction to instruct the first and second APDs to not use the in-use channel.

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.

The present invention provides a bearer splitting method performed by user equipment and base station, and the corresponding user equipment and base station. A bearer splitting method performed by user equipment, comprising: carrying out measurement for one or more second base stations during the user equipment connecting to a first base station prior to network configuration; sending measurement results of at least part of the second base stations of the one or more second base stations to the first base station, such that the first base station selecting a target base station from the one or more second base stations according to the measurement results, wherein the target base station is used to control split bearer from the target and first base station to the user equipment.

A gateway, for use with a first and a second access point device (APD), scans channels within a spectrum of channels. The gateway includes a delegating component, a communication component, and a load balancing component. The delegating component is operable to instruct each APD to monitor for presence of a signal on any one of a respective first or second set of channels within the spectrum. The communication component is operable to receive from the first APD a channel-in-use signal associated with an in-use channel of the first set of channels; transmit a notification signal to the second APD based on the channel-in-use signal; transmit the instruction to the first APD and the second APD; and receive a communication signal from either APD as a result of the transmission. The load balancing component is operable to determine a communication volume on each of the first set of channels, and to generate an instruction to instruct the first and second APDs to not use the in-use channel.

There are provided mechanisms for traffic steering between a first radio access network node and a second radio access network node. A method is performed by a system. The method includes obtaining, for each of the first radio access network node and the second radio access network node, a respective predicted traffic throughput for a wireless device. The wireless device is in dual connectivity with the first radio access network node and the second radio access network node. The method includes determining splitting of transmission of a flow of data destined for the wireless device between the first radio access network node and the second radio access network node according to the obtained predicted traffic throughputs. The method includes initiating traffic steering of the flow of data between the first radio access network node and the second radio access network node according to the splitting.

Provided are a method and an apparatus for processing uplink data. In particular, a method of a terminal for processing uplink data may include receiving configuration information for indicating uplink transmission configuration for an LTE-WLAN Aggregation (LWA) bearer from a base station; determining an uplink transmission path for the LWA bearer based on the configuration information and a transmittable data amount; and transmitting uplink data to the base station through the determined uplink transmission path, wherein the LWA bearer is a bearer configured to transmit the uplink data using at least one of a base station radio resource and a Wireless Local Area Network (WLAN) radio resource.