Systems and methods are disclosed herein related simultaneous registration of wireless communication device having multiple Subscriber Identity Modules (SIMs) with two or more networks. In one embodiment, a method performed by a wireless communication device having multiple SIMs comprises registering with a first network associated with a first SIM and registering with a second network associated with a second SIM such that the wireless communication device is simultaneously registered with both the first network and the second network. The method further comprises providing, to a network node associated with the first network, capability information for the wireless communication device that indicates less than full capabilities of the wireless communication device. In this manner, the wireless communication device ensures that it will have sufficient resources to maintain simultaneous connections to both the first and second network.

A method, UE, and computer programs are provided where the UE has multiple universal subscriber identity modules. Information is received from a first PLMN indicating there is one of mobile terminating (MT) signaling or data in the first PLMN while the UE is in a second PLMN. Responsive to receiving the information, a service request is sent to an AMF node of the second PLMN. A radio resource control (RRC) connection release is received from a RAN node in response to sending the service request. Responsive to receiving the RRC connection release, the second PLMN is left to be in the first PLMN.

The technology of this application relates to a communication method and apparatus, to resolve a current problem that limited bandwidth resources of a single link affect quality of service. In an example embodiment, a terminal sends a first access message to an access gateway in a second core network through a first network, and sends a second access message to the access gateway through a second network, where the first access message is encapsulated by using a first IP address. Further, the access gateway requests an AMF network element to establish two communication links for the terminal. One communication link is for the terminal to access the core network through the first network, and the other communication link is for the terminal to access the core network through the second network. Through establishment of the two communication links between the terminal and the core network, bandwidth resources can be added, and the quality of service can be improved.

Methods, systems, and devices for wireless communications are described. A base station to communicate with a set of user equipments (UEs) in a spatial division multiplexing (SDM) configuration for dynamic spectrum sharing (DSS) communications. One or more first UEs of the set of UEs may communicate via a first radio access technology (RAT), and one or more second UEs may communicate via a second RAT in a multiple-user multiple-input multiple output (MU-MIMO) configuration. The base station may indicate the SDM configuration to one or more of the set of UEs. In some examples, the base station may transmit an indication to the set of UEs which may indicate a set of resources to be used for DSS communications. In some examples, the SDM configuration may specify one or more reference signal patterns for communicating in the set of resources.

Methods, systems, and devices for wireless communications are described. A base station to communicate with a set of user equipments (UEs) in a spatial division multiplexing (SDM) configuration for dynamic spectrum sharing (DSS) communications. One or more first UEs of the set of UEs may communicate via a first radio access technology (RAT), and one or more second UEs may communicate via a second RAT in a multiple-user multiple-input multiple output (MU-MIMO) configuration. The base station may indicate the SDM configuration to one or more of the set of UEs. In some examples, the base station may transmit an indication to the set of UEs which may indicate a set of resources to be used for DSS communications. In some examples, the SDM configuration may specify one or more reference signal patterns for communicating in the set of resources.

A control plane function node may be used in a Fifth Generation (5G) Non-Standalone (NSA) architecture having Radio Access Network (RAN) level interworking between a Long-Term Evolution (LTE) RAN and a 5G New Radio (NR). The node obtains usage report data which are based on traffic of a user equipment (UE) via primary and secondary Radio Access Technologies (RATs). The node also obtains secondary RAT usage report data which are based on traffic of the UE via the secondary RAT. The node constructs a message which indicates a request for charging based on the usage report data and the secondary RAT usage report data. In constructing the message, the node populates, in association with a corresponding rating group and usage data of the UE, an identifier of a flow or bearer associated with secondary RAT usage, together with the secondary RAT usage report data.

A method for transmitting terminal capability information in a communication system supporting a plurality of carriers is provided. The method includes transmitting a control message including terminal capability information, wherein the terminal capability information includes at least one of an information element (IE) indicating whether to support a multi-bearer, an IE indicating whether to support a secondary cell group (SCG) bearer, or an IE indicating whether to support dual connectivity (DC).

A method for transmitting terminal capability information in a communication system supporting a plurality of carriers is provided. The method includes transmitting a control message including terminal capability information, wherein the terminal capability information includes at least one of an information element (IE) indicating whether to support a multi-bearer, an IE indicating whether to support a secondary cell group (SCG) bearer, or an IE indicating whether to support dual connectivity (DC).

A communication system includes a first radio access apparatus, a second radio access apparatus, and a radio terminal that is enabled to simultaneously communicate with the first radio access apparatus and the second radio access apparatus. The communication system acquires service characteristic information that indicates a characteristic of a service provided to the radio terminal and determines a type of a communication path for downlink user data used for provision of the service to the radio terminal, from among a plurality of types of communication paths, based on the service characteristic information.

A communication system includes a first radio access apparatus, a second radio access apparatus, and a radio terminal that is enabled to simultaneously communicate with the first radio access apparatus and the second radio access apparatus. The communication system acquires service characteristic information that indicates a characteristic of a service provided to the radio terminal and determines a type of a communication path for downlink user data used for provision of the service to the radio terminal, from among a plurality of types of communication paths, based on the service characteristic information.