User equipment, network node, and methods for operating the same against maximum number of allowable radio bearers

A network node for a cellular communication network, comprising:

• a memory;
• a transceiver;
• and
• a processor operatively coupled with the memory and the transceiver, being capable of causing the network node to operate in a cellular communication mode, and being capable of causing the network node to operate in a Cellular Internet of Things (CIoT) mode;
• wherein the processor is configured to cause the network node to perform:
• operating in the CIoT mode;
• determining, out of at least one user equipment (UE)-data network logical connection for a UE, a first UE-data network logical connection in a first set of the at least one UE-data network logical connection for which a radio bearer allocation acceptance is to be performed based on a UE-data network logical connection type correspondingly of each UE-data network logical connection of the first set of the at least one UE-data network logical connection of the at least one UE-data network logical connection being non-internet protocol (non-IP) to prevent more than a maximum number of allowable radio bearers for the UE to be allocated;
• and
• performing the radio bearer allocation acceptance for the first UE-data network logical connection;
• wherein the determining, out of a plurality of the UE-data network logical connections for the UE, the first UE-data network logical connection in the first set of the UE-data network logical connections for which the radio bearer allocation acceptance to be performed is based on a UE-data network logical connection type correspondingly of each UE-data network logical connection of only the UE-data network logical connections;
• the determining, out of the UE-data network logical connections for the UE, the first UE-data network logical connection in the first set of the UE-data network logical connections for which the radio bearer allocation acceptance to be performed is further based on a persistence precedence-related quality of service (QoS) parameter correspondingly of each UE-data network logical connection of a third set of the UE-data network logical connections having the highest persistence precedence;
• and
• the first UE-data network logical connection is in the third set of the UE-data network logical connections.

A method for operating a user equipment (UE), comprising:

• operating in a Cellular Internet of Things (CIoT) mode, wherein the UE is capable of operating in a cellular communication mode and is capable of operating in the CIoT mode;
• determining, out of at least one UE-data network logical connection, a first UE-data network logical connection in a first set of the at least one UE-data network logical connection for which a radio bear request is to be made based on a UE-data network logical connection type correspondingly of each UE-data network logical connection of the first set of the at least one UE-data network logical connection being non-internet protocol (non-IP) to prevent more than a maximum number of allowable radio bearers for the UE to be requested;
• and
• making the radio bearer request for the first UE-data network logical connection;
• wherein the step of determining, out of a plurality of the UE-data network logical connections, the first UE-data network logical connection in the first set of the UE-data network logical connections for which the radio bear request is to be made is based on a UE-data network logical connection type correspondingly of each UE-data network logical connection of only the UE-data network logical connections;
• the step of determining, out of the UE-data network logical connections, the first UE-data network logical connection in the first set of the UE-data network logical connections for which the radio bear request is to be made is further based on a persistence precedence-related quality of service (QoS) parameter correspondingly of each UE-data network logical connection of a third set of the UE-data network logical connections having the highest persistence precedence;
• and
• the first UE-data network logical connection is in the third set of the UE-data network logical connections.