Radio access control method, apparatus, and system

A radio access control method, wherein the method comprises:

• receiving an overload start message from a mobility management entity, the overload start message indicating a barred mobile originated signaling service and a barred control plane scheme to an access network device;
• generating information based on the overload start message, the information indicating the barred mobile originated signaling service and the barred control plane scheme to a terminal device;
• and
• sending the information to the terminal device;
• the barred control plane scheme indicating a transmission scheme used by the terminal device for transmitting service data.

A radio access control apparatus, the apparatus comprising:

• a memory storing instructions;
• and
• at least one processor in communication with the memory, the at least one processor configured, upon execution of the instructions, to perform the following steps:
• receive information from an access network device, the information indicating a barred mobile originated signaling service and a barred control plane scheme to the radio access control apparatus;
• and
• determine, based on the barred mobile originated signaling service and the barred control plane scheme, whether to send a radio resource control connection request to the access network device;
• the barred control plane scheme indicating a transmission scheme used by the radio access control apparatus for transmitting service data.

An access network device, the apparatus comprising:

• a memory storing instructions;
• and
• at least one processor in communication with the memory, the at least one processor configured, upon execution of the instructions, to perform the following steps:
• receive an overload start message from a mobility management entity, the overload start message indicating a barred mobile originated signaling service and a barred control plane scheme to the access network device;
• generate information based on the overload start message, wherein the information indicates the barred mobile originated signaling service and the barred control plane scheme to a terminal device;
• and
• send the information to the terminal device;
• the barred control plane scheme indicating a transmission scheme used by the terminal device for transmitting service data.