Method and device for notifying reference signal configuration information

1. A method for obtaining reference signal configuration information, comprising:

receiving, by a terminal device, channel state information-reference signal (CSI-RS) configuration codes from a base station, 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 according to a relationship between the first code, the number of antenna ports of the base station and the CSI-RS pattern stored in the terminal device;

determining, by the terminal device, a CSI-RS period and a sub-frame offset according to a relationship between the second code, the CSI-RS period and the sub-frame offset stored in the terminal device; and

determining, by the terminal device, a data muting position according to the third code.

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

determining, by the terminal device, a data muting period and a data muting offset according to the relationship between the second code, the CSI-RS period and the sub-frame offset.

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

4. The method according to claim 3 , wherein the number of bits in the bitmap is determined in accordance with the maximum number of CSI-RS patterns in an Orthogonal frequency-division multiplexing (OFDM) symbol, and wherein the OFDM symbol carries any one of: a serving cell CSI-RS, a muting range, and a muting CSI-RS pattern.

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

receiving, by the terminal device, the number of antenna ports of the base station through a higher layer signaling.

6. The method according to claim 1 , wherein at least one of the first code, the second code, and the third code is received through a system information block in a broadcast channel.

7. The method according to claim 1 , wherein at least one of the first code, the second code, and the third code is received through a master information block in a broadcast channel.

8. A terminal device, comprising a transceiver, a memory and a processor coupled with the transceiver and the memory, wherein

the transceiver is configured to:

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

the processor is configured to:

determine a CSI-RS pattern according to a relationship between the first code, the number of antenna ports of the base station and the CSI-RS pattern stored in the memory,

determine a CSI-RS period and a sub-frame offset according to a relationship between the second code, the CSI-RS period and the sub-frame offset stored in the memory, and

determine a data muting position according to the third code.

9. The terminal device according to claim 8 , wherein the processor is further configured to:

determine a data muting period and a data muting offset according to the relationship between the second code, the CSI-RS period and the sub-frame offset stored in the memory.

10. The terminal device according to claim 8 , wherein the third code is a bitmap.

11. The terminal device according to claim 10 , wherein the number of bits in the bitmap is determined in accordance with the maximum number of CSI-RS patterns in an Orthogonal frequency-division multiplexing (OFDM) symbol, and wherein the OFDM symbol carries any one of: a serving cell CSI-RS, a muting range, and a muting CSI-RS pattern.

12. The terminal device according to claim 8 , wherein the transceiver is further configured to:

receive the number of antenna ports of the base station through a higher layer signaling.

13. The terminal device according to claim 8 , wherein at least one of the first code, the second code, and the third code is received through a system information block in a broadcast channel.

14. The terminal device according to claim 8 , wherein at least one of the first code, the second code, and the third code is received through a master information block in a broadcast channel.

15. An apparatus, comprising a processor coupled with a non-transitory storage medium storing executable instructions; wherein the executable instructions, when executed by the processor, cause the processor to:

obtain channel state information-reference signal (CSI-RS) configuration codes from a signaling received from a base station, wherein the CSI-RS configuration codes comprise a first code, a second code and a third code;

determine a CSI-RS pattern according to a relationship between the first code, the number of antenna ports of the base station and the CSI-RS pattern,

determine a CSI-RS period and a sub-frame offset according to a relationship between the second code, the CSI-RS period and the sub-frame offset, and

determine a data muting position according to the third code.

16. The apparatus according to claim 15 , wherein the executable instructions, when executed by the processor, further cause the processor to:

determine a data muting period and a data muting offset according to the relationship between the second code, the CSI-RS period and the sub-frame offset.

17. The apparatus according to claim 15 , wherein the third code is a bitmap.

18. The apparatus according to claim 17 , wherein the number of bits in the bitmap is determined in accordance with the maximum number of CSI-RS patterns in an orthogonal frequency-division multiplexing (OFDM) symbol, and wherein the OFDM symbol carries any one of: a serving cell CSI-RS, a muting range, and a muting CSI-RS pattern.

19. The apparatus according to claim 15 , wherein the executable instructions, when executed by the processor, further cause the apparatus to:

obtain the number of antenna ports of the base station from a higher layer signaling received from the base station.

20. The apparatus according to claim 15 , wherein at least one of the first code, the second code, and the third code is received through a system information block in a broadcast channel.