Carrier configuration method and apparatus

1 . A method comprising:

sending, by a network device, measurement configuration information to a terminal device, wherein the measurement configuration information comprises configuration information of an event A1, and the measurement configuration information indicates the terminal device to perform measurement for the event A1 in a radio resource control (RRC) non-connected state;

receiving, by the network device, a report of the event A1 sent by the terminal device, wherein the terminal device reports a measurement result of broadcast signal quality of a cell accessed by the terminal device and a measured signal quality exceeds a preset threshold in the event A1;

sending, by the network device, access configuration information to the terminal device based on the report of the event A1, wherein the access configuration information indicates the terminal device to access a first carrier; and

subsequently sending, by the network device, a first synchronization signal broadcast channel block (SSB) based on the report of the event A1, wherein the first SSB is carried on the first carrier, and the first carrier is different from a second carrier that carries the measurement configuration information.

2 . The method according to claim 1 , wherein sending, by the network device, the measurement configuration information to the terminal device further comprises:

sending, by the network device, an RRC release message to the terminal device, wherein the RRC release message comprises the measurement configuration information.

3 . The method according to claim 1 , wherein sending, by the network device, the measurement configuration information to the terminal device further comprises:

sending, by the network device, a system information block (SIB) message to the terminal device, wherein the SIB message comprises the measurement configuration information.

4 . The method according to claim 1 , wherein the measurement configuration information further comprises a period of a second SSB, and the second SSB is carried on the second carrier.

5 . A carrier configuration method, comprising:

receiving, by a terminal device, measurement configuration information sent by a network device, wherein the measurement configuration information comprises configuration information of an event A1;

performing, by the terminal device, measurement for the event A1 in a radio resource control (RRC) non-connected state based on the measurement configuration information;

sending, by the terminal device, a report of the event A1 to the network device, wherein the terminal device reports a measurement result of broadcast signal quality of a cell accessed by the terminal device and a measured signal quality exceeds a preset threshold in the event A1;

receiving, by the terminal device, access configuration information sent by the network device, wherein the access configuration information indicates the terminal device to access a first carrier; and

subsequently searching, by the terminal device, for a first synchronization signal broadcast channel block (SSB), wherein the first SSB is carried on the first carrier, and the first carrier is different from a second carrier that carries the measurement configuration information.

6 . The carrier configuration method according to claim 5 , wherein receiving, by the terminal device, the measurement configuration information sent by the network device further comprises:

receiving, by the terminal device, an RRC release message sent by the network device, wherein the RRC release message comprises the measurement configuration information.

7 . The carrier configuration method according to claim 5 , wherein receiving, by the terminal device, the measurement configuration information sent by the network device further comprises:

receiving, by the terminal device, a system information block (SIB) message sent by the network device, wherein the SIB message comprises the measurement configuration information.

8 . The carrier configuration method according to claim 5 , wherein the measurement configuration information further comprises a period of a second SSB, and the second SSB is carried on the second carrier; and

the method further comprises:

searching for the second SSB based on the period of the second SSB.

9 . A carrier configuration apparatus, comprising:

a transceiver;

at least one processor; and

one or more memories coupled to the at least one processor and storing programming instructions, when executed by the at least one processor, cause the carrier configuration apparatus to:

send measurement configuration information to a terminal device, wherien the measurement configuration information comprises configuration information of an event A1, and the measurement configuration information indicates the terminal device to perform measurement for the event A1 in a radio resource control (RRC) non-connected state;

receive a report of the event A1 sent by the terminal device, wherein the terminal device reports a measurement result of broadcast signal quality of a cell accessed by the terminal device and a measured signal quality exceeds a preset threshold in the event A1;

send access configuration information to the terminal device based on the report of the event A1; and

subsequently send a first synchronization signal broadcast channel block (SSB), wherein the access configuration information indicates the terminal device to access a first carrier, the first SSB is carried on the first carrier, and the first carrier is different from a second carrier that carries the measurement configuration information.

10 . The carrier configuration apparatus according to claim 9 , wherein the programming instructions, when executed by the at least one processor, further cause the apparatus to send a radio resource control (RRC) release message to the terminal device, wherein the RRC release message comprises the measurement configuration information.

11 . The carrier configuration apparatus according to claim 9 , wherein the programming instructions, when executed by the at least one processor, further cause the apparatus to send a system information block (SIB) message to the terminal device, wherein the SIB message comprises the measurement configuration information.

12 . The carrier configuration apparatus according to claim 9 , wherein the measurement configuration information further comprises a period of a second SSB, and the second SSB is carried on the second carrier.

13 . A carrier configuration apparatus, comprising:

a transceiver;

at least one processor; and

one or more memories coupled to the at least one processor and storing programming instructions, when executed by the at least one processor, cause the carrier configuration apparatus to:

receive measurement configuration information sent by a network device, wherein the measurement configuration information comprises configuration information of an event A1;

perform measurement for the event A1 in a radio resource control (RRC) non-connected state based on the measurement configuration information;

send a report of the event A1 to the network device, wherein the carrier configuration apparatus reports a measurement result of broadcast signal quality of a cell accessed by the carrier configuration apparatus and a measured signal quality exceeds a preset threshold in the event A1;

receive access configuration information sent by the network device, wherein the access configuration information indicates the apparatus to access a first carrier, and the first carrier is different from a second carrier that carries the measurement configuration information; and

subsequently search for a first synchronization signal broadcast channel block (SSB), wherein the first SSB is carried on the first carrier.

14 . The carrier configuration apparatus according to claim 13 , wherein the programming instructions, when executed by the at least one processor, further cause the apparatus to receive an RRC release message sent by the network device, wherein the RRC release message comprises the measurement configuration information.

15 . The carrier configuration apparatus according to claim 13 , wherein the programming instructions, when executed by the at least one processor, further cause the apparatus to receive a system information block (SIB) message sent by the network device, wherein the SIB message comprises the measurement configuration information.

16 . The carrier configuration apparatus according to claim 13 , wherein the measurement configuration information further comprises a period of a second SSB, and the second SSB is carried on the second carrier; and

the programming instructions, when executed by the at least one processor, further cause the apparatus to search for the second SSB based on the period of the second SSB.