Method and device for notifying reference signal configuration information

1. A method, comprising:

receiving, by a terminal device from a base station through a downlink channel, channel state information-reference signal (CSI-RS) configuration codes, wherein the CSI-RS configuration codes comprise a first code, a second code, and a third code;

determining, by the terminal device, a CSI-RS pattern based on the first code and a first relationship, wherein the first relationship comprises a relationship among the first code, the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern;

determining, by the terminal device, a CSI-RS period and an offset corresponding to the CSI-RS period according to the second code and a second relationship, wherein the second relationship comprises a relationship among the second code, the CSI-RS period and the offset, wherein the second code is a joint code of the CSI-RS period and the offset; and

determining, by the terminal device, a data muting resource element (RE) according to the third code, wherein the third code indicates the data muting RE.

2. The method according to claim 1 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and the method further comprises:

determining, by the terminal device, the data muting period and the data muting offset according to the fourth code and the second relationship.

3. The method according to claim 2 , wherein the fourth code is a joint code of the data muting period and the data muting offset.

4. The method according to claim 2 , wherein the downlink channel is a broadcast channel, and at least one of the first code, the second code, the third code, and the fourth code is sent through a system information block in the broadcast channel.

5. The method according to claim 1 , wherein the third code is a bitmap.

6. The method according to claim 1 , wherein the first code is joint coding or respective coding of the quantity of antenna ports of the base station and the CSI-RS pattern.

7. An apparatus, comprising:

a storage medium for storing program instructions; and

at least one processor;

wherein the instructions, when executed by the processor, causes the apparatus to:

receive, through a downlink channel, channel state information-reference signal (CSI-RS) configuration codes, wherein the CSI-RS configuration codes comprise a first code, a second code, and a third code;

determine a CSI-RS pattern based on the first code and a first relationship, wherein the first relationship comprises a relationship among the first code, the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern;

determine a CSI-RS period and an offset corresponding to the CSI-RS period according to the second code and a second relationship, wherein the second relationship comprises a relationship among the second code, the CSI-RS period and the offset, wherein the second code is a joint code of the CSI-RS period and the offset; and

determine a data muting resource element (RE) according to the third code, wherein the third code indicates the data muting RE.

8. The apparatus according to claim 7 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and wherein the instructions, when executed by the processor, further causes the apparatus to:

determine the data muting period and the data muting offset according to the fourth code and the second relationship.

9. The apparatus according to claim 8 , wherein the fourth code is a joint code of the data muting period and the data muting offset.

10. The apparatus according to claim 8 , wherein the downlink channel is a broadcast channel, and at least one of the first code, the second code, the third code, and the fourth code is sent through a system information block in the broadcast channel.

11. The apparatus according to claim 7 , wherein the third code is a bitmap.

12. The apparatus according to claim 7 , wherein the first code is joint coding or respective coding of the quantity of antenna ports of the base station and the CSI-RS pattern.

13. A non-transitory storage medium storing program instructions for execution by a device, wherein the instructions comprise:

receiving, through a downlink channel, channel state information-reference signal (CSI-RS) configuration codes, wherein the CSI-RS configuration codes comprise a first code, a second code, and a third code;

determining a CSI-RS pattern based on the first code and a first relationship, wherein the first relationship comprises a relationship among the first code, the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern;

determining a CSI-RS period and an offset corresponding to the CSI-RS period according to the second code and a second relationship, wherein the second relationship comprises a relationship among the second code, the CSI-RS period and the offset, wherein the second code is a joint code of the CSI-RS period and the offset; and

determine a data muting resource element (RE) according to the third code, wherein the third code indicates the data muting RE.

14. The non-transitory storage medium according to claim 13 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and the instructions further comprise:

determining the data muting period and the data muting offset according to the fourth code and the second relationship.

15. The non-transitory storage medium according to claim 14 , wherein the fourth code is a joint code of the data muting period and the data muting offset.

16. The non-transitory storage medium according to claim 14 , wherein the downlink channel is a broadcast channel, and at least one of the first code, the second code, the third code, and the fourth code is sent through a system information block in the broadcast channel.

17. The non-transitory storage medium according to claim 13 , wherein the third code is a bitmap.

18. A method, comprising:

determining, by a base station, channel state information-reference signal (CSI-RS) configuration codes; and

sending, by the base station to a terminal device through a downlink channel, the CSI-RS configuration codes, wherein the CSI-RS configuration codes comprise a first code, a second code, and a third code, wherein

the first code is joint coding or respective coding of the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern;

the second code is a joint code of the CSI-RS period and the offset corresponding to the CSI-RS period; and

the third code indicates at least one data muting resource element (RE).

19. The method according to claim 18 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset.

20. The method according to claim 19 , wherein the fourth code is a joint code of the data muting period and the data muting offset.

21. The method according to claim 18 , wherein the third code is a bitmap.