Method and device for controlling RRC state, and computer storage medium
View Patent ↗Disclosed are a method and device for controlling an RRC state, and a computer storage medium. The method includes: sending, by a terminal device, a first RRC message to a network device, the first RRC message comprising an RRC connection resume request message; receiving, by the terminal device, a second RRC message sent by the network device, the second RRC message carrying first indication information which is indicative of a target RRC state of the terminal device; and entering, by the terminal device, the target RRC state based on the first indication information.
1. A method for controlling an RRC state in a UE-initiated RRC connection resume procedure, comprising:
sending, by a terminal device which is in an inactive state, a radio resource control (RRC) connection resume request message to a network device;
receiving, by the terminal device, an RRC connection release message sent from the network device in response to the connection resume request message, the RRC connection release message carrying first indication information which indicates a target state of the terminal device; and
entering, by the terminal device, the target RRC state based on the first indication information;
wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message carrying at least one of I-RNTI, radio access network (RAN) discontinuous reception (DRX) cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses the at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers; and
wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message not carrying the at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses locally stored at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers;
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC idle state, entering, by the terminal device, the RRC idle state;
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC connected state, entering, by the terminal device, the RRC connected state.
2. The method according to claim 1 , wherein the RRC connection resume request message carries indication information for indicating a reason for the RRC connection resume, wherein the indication information for indicating the reason for the RRC connection resume is used by the network device to determine the target state of the terminal device in a connection resume procedure.
3. A method for controlling an RRC state in a UE-initiated RRC connection resume procedure, comprising:
receiving, by a network device, a radio resource control (RRC) connection resume request message sent from a terminal device which is in an inactive state; and
sending, by the network device, an RRC connection release message to the terminal device in response to the connection resume request message, the RRC connection release message carrying first indication information which indicates a target RRC state of the terminal device,
wherein the terminal device enters the target RRC state based on the first indication information, wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message carrying at least one of I-RNTI, radio access network (RAN) discontinuous reception (DRX) cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses the at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers configuration information that is carried in RRC connection release message; and
wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message not carrying at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses locally stored at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers;
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC idle state, the terminal device enters the RRC idle state; and
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC connected state, the terminal device enters the RRC connected state.
4. The method according to claim 3 , wherein the RRC connection resume request message carries indication information for indicating a reason for the RRC connection resume, wherein the indication information for indicating the reason for the RRC connection resume is used by the network device to determine the target state of the terminal device in a connection resume procedure.
5. A terminal device, comprising:
a processor;
a transmission device;
a memory for storing instructions executable by the processor;
wherein the processor is configured to control the transmission device to:
in a UE-initiated RRC connection resume procedure, send to a network device a radio resource control (RRC) connection resume request message when the terminal device is in an inactive state;
receive an RRC connection release message sent from the network device in response to the connection resume request message, the RRC connection release message carrying first indication information which indicates a target state of the terminal device; and
wherein the processor is further configured to: enter the target RRC state based on the first indication information;
wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message carrying at least one of I-RNTI, radio access network (RAN) discontinuous reception (DRX) cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses the at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers; and
wherein in response to the target RRC state being an RRC inactive state and the RRC connection release message not carrying at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers, after entering the RRC inactive state, the terminal device uses locally stored at least one of I-RNTI, RAN DRX cycle, and periodic RAN notification area update timers;
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC idle state, the terminal device enters the RRC idle state;
wherein in response to the target RRC state as indicated in first indication information carried in the RRC connection release message being an RRC connected state, the terminal device enters the RRC connected state.
6. The device according to claim 5 , wherein the RRC connection resume request message carries indication information for indicating a reason for the RRC connection resume, wherein the indication information for indicating the reason for the RRC connection resume is used by the network device to determine the target state of the terminal device in a connection resume procedure.