Method for sending information, method for receiving information and device

1. A method for sending information, applied to a terminal device that operates at least in a device-to-device (D2D) communication mode based on a first Radio Access Technology (RAT), comprising:

sending, by the terminal device, Radio Resource Control (RRC) information to a network device operating in a second RAT, wherein the RRC information comprises service information of D2D communication based on the first RAT,

wherein the RRC information is defined according to the first RAT, and

wherein the service information comprises frequency point information and a list of target addresses used by the terminal device for D2D communication, and the list of target addresses is used for determining a target address index.

2. The method according to claim 1 , wherein the terminal device further operates in a D2D communication mode based on the second RAT, and wherein the RRC information further comprises service information of D2D communication based on the second RAT.

3. The method according to claim 2 , wherein the RRC information further comprises first indication information, and the first indication information is used to indicate that the RRC information comprises the service information of the D2D communication based on at least one of the first RAT or the second RAT.

4. The method according to claim 1 , wherein the service information is Sidelink UE Information of the terminal device.

5. A terminal device, operating at least in a device-to-device (D2D) communication mode based on a first Radio Access Technology (RAT) and comprising:

a processor;

a memory configured to store a computer program executable by the processor; and

a transceiver configured to send Radio Resource Control (RRC) information to a network device operating in a second RAT, wherein the RRC information comprises service information of D2D communication based on the first RAT,

wherein the RRC information is defined according to the first RAT, and

wherein the service information comprises frequency point information and a list of target addresses used by the terminal device for D2D communication, and the list of target addresses is used for determining a target address index.

6. The terminal device according to claim 5 , wherein the service information is Sidelink UE Information of the terminal device.

7. The terminal device according to claim 5 , wherein the RRC information comprises first information defined according to the first RAT and second information defined according to the second RAT.

8. The terminal device according to claim 7 , wherein the first information comprises the service information of the D2D communication based on the first RAT, and the second information comprises the service information of the D2D communication based on the second RAT.

9. The terminal device according to claim 5 , wherein the transceiver is further configured to:

send a Buffer Status Report (BSR) to the network device, wherein the BSR comprises service traffic information and a target address index of the D2D communication based on the first RAT.

10. A network device, operating in a second Radio Access Technology (RAT) and comprising:

a processor;

a memory configured to store a computer program executable by the processor; and

a transceiver configured to receive Radio Resource Control (RRC) information sent from a terminal device operating at least in a device-to-device (D2D) communication mode based on a first RAT, wherein the RRC information comprises service information of D2D communication based on the first RAT,

wherein the RRC information is defined according to the first RAT, and

wherein the service information comprises frequency point information and a list of target addresses used by the terminal device for D2D communication, and the list of target addresses is used for determining a target address index.

11. The network device according to claim 10 , wherein the terminal device further operates in a D2D communication mode based on the second RAT, and wherein the RRC information further comprises service information of D2D communication based on the second RAT.

12. The network device according to claim 11 , wherein the RRC information further comprises first indication information, and the first indication information is used to indicate that the RRC information comprises the service information of the D2D communication based on at least one of the first RAT or the second RAT.

13. The network device according to claim 10 , wherein the service information is Sidelink UE Information of the terminal device.

14. The network device according to claim 10 , wherein the transceiver is further configured to:

receive a Buffer Status Report (BSR) sent by the terminal device, wherein the BSR comprises service traffic information and a target address index of the D2D communication based on the first RAT.

15. The method according to claim 1 , further comprising:

sending a Buffer Status Report (BSR) to the network device, wherein the BSR comprises service traffic information and a target address index of the D2D communication based on the first RAT.

16. The terminal device according to claim 5 , wherein the terminal device further operates in a D2D communication mode based on the second RAT, and wherein the RRC information further comprises service information of D2D communication based on the second RAT.

17. The terminal device according to claim 16 , wherein the RRC information further comprises first indication information, and the first indication information is used to indicate that the RRC information comprises the service information of the D2D communication based on at least one of the first RAT or the second RAT.