Access barring method and apparatus and communication system
An access barring method and apparatus and a communication system. The method includes: performing access barring check or access class determination by UE by using parameters defined for a new radio system. The parameters are applicable to all radio resource control (RRC) states. For different public land mobile networks (PLMNs) and/or network slicing, the parameters are identical or different. With the embodiments of this disclosure, selectable parameters are provided for a uniform access control mechanism defined by an NR system, thereby simplifying an access mechanism, and ensuring all-directional compatibility of a terminal state.
1. An access barring apparatus, comprising:
a memory configured to store a plurality of instructions;
processor circuitry coupled to the memory and configured to execute the plurality of instructions to:
perform an access barring check in any of radio resource control (RRC) states, including at least one of an RRC connected state and an RRC inactive state, based on a UE-related parameter and a UE-related and service-related parameter, and
wherein the UE-related parameter and the UE-related and service-related parameter are defined for a 3GPP New Radio (NR) system and are applicable to all the RRC states, and wherein different RRC states use identical parameters of the UE-related parameter and the UE-related and service-related parameter, and identical or different values are set for the identical parameters, and
wherein the UE-related parameter is defined at least according to a contracted service type; and the UE-related and service-related parameter is defined at least according to a call type.
2. The access barring apparatus according to claim 1 , wherein for different public land mobile networks (PLMNs) and/or network slicing, the parameters are identical or different, and when the parameters are identical, parameter values are identical or different.
3. The access barring apparatus according to claim 1 , wherein the UE-related parameter and the UE-related and service-related parameter are at least one of static parameters and dynamic parameters.
4. The access barring apparatus according to claim 3 , wherein,
the static parameters comprise at least one of: a parameter written into a subscriber identity module (SIM), a universal subscriber identity module (USIM), a parameter changed and/or updated only when operation administration and maintenance (OAM) indicates, and a parameter changed and/or updated only when a radio resource control (RRC) state changes; and
the dynamic parameters comprise a parameter changed and/or updated via an Internet protocol (IP) flow level.
5. The access barring apparatus according to claim 1 , wherein the UE-related parameter and the UE-related and service-related parameter are provided by at least one of an upper layer and an access stratum (AS).
6. The access barring apparatus according to claim 1 , wherein the UE-related parameter and the UE-related and service-related parameter are at least one of bitmap-related parameters and factor-related parameters.
7. The access barring apparatus according to claim 1 , wherein the processor circuitry is further configured
to immediately bar or bar for a period of time when a result of the access barring check is barring or suspending, and immediately pass or pass after a period of time or pass if a certain condition is satisfied when a result of the access barring check is passing or recovering.
8. The access barring apparatus according to claim 1 , wherein after performing the access barring check on corresponding parameters, the processor circuitry is configured to proceed with performing access barring check on at least one of: parameters of the same class, all remained parameters, and network-designated parameters.
9. The access barring apparatus according to claim 1 , wherein a control of the access barring is achieved so that an access barring mechanism is selected without a need of considering the RRC states.
10. The access barring apparatus according to claim 5 , wherein the UE-related parameter and the UE-related and service-related parameter provided by the upper layer comprise at least one of: a parameter provided by a Non-Access Stratum (NAS), and a parameter provided by an application layer; and
the parameters provided by the access stratum (AS) comprise a parameter without indication provided by the upper layer.
11. An access barring method, comprising:
performing an access barring check in any of radio resource control (RRC) states, including at least one of an RRC connected state and an RRC inactive state, based on a UE-related parameter and a UE-related and service-related parameter and
wherein the UE-related parameter and the UE-related and service-related parameter are defined for a 3GPP New Radio (NR) system and are applicable to all the RRC states, and wherein different RRC states use identical parameters of the UE-related parameter and the UE-related and service-related parameter, and identical or different values are set for the identical parameters, and
wherein the UE-related parameter is defined at least according to a contracted service type; and the UE-related and service-related parameter is defined at least according to a call type.
12. The access barring method according to claim 11 , wherein the UE-related parameter and the UE-related and service-related parameter are at least one of static parameters and dynamic parameters.
13. The access barring method according to claim 11 , wherein the UE-related parameter and the UE-related and service-related parameter are at least one of bitmap-related parameters and factor-related parameters.
14. The access barring method according to claim 11 , wherein the method further comprises:
immediately barring or barring for a period of time by the UE when a result of the access barring check is barring or suspending, and immediately passing or passing after a period of time or passing if a certain condition is satisfied by the UE when a result of the access barring check is passing or recovering.
15. The access barring method according to claim 11 , wherein the method further comprises:
after performing the access barring check on corresponding parameters, proceeding with performing the access barring check on at least one of: parameters of the same class, all remained parameters, and network-designated parameters.
16. The access barring method according to claim 11 , wherein the UE-related parameter and the UE-related and service-related parameter are provided by at least one of an upper layer and an access stratum (AS).
17. A communication system, comprising a network device and a User Equipment (UE), the UE comprising:
a memory configured to store a plurality of instructions;
processor circuitry coupled to the memory and configured to execute the plurality of instructions to:
perform an access barring check in any of radio resource control (RRC) states, including at least one of an RRC connected state and an RRC inactive state, based on a UE-related parameter and a UE-related and service-related parameter, and
wherein the UE-related parameter and the UE-related and service-related parameter are defined for a 3GPP New Radio (NR) system and are applicable to all the RRC states, and wherein different RRC states use identical parameters of the UE-related parameter and the UE-related and service-related parameter, and identical or different values are set for identical parameters, and
wherein the UE-related parameter is defined at least according to a contracted service type; and the UE-related and service-related parameter is defined at least according to a call type.