Method and device for notifying reference signal configuration information

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

determining, by a base station, a channel state information-reference signal (CSI-RS) pattern, and number of antenna ports of the base station corresponding to the CSI-RS pattern;

determining, by the base station, a CSI-RS period and a sub-frame offset;

determining, by the base station, a data muting position;

determining, by the base station, a first code according to a relationship between the first code, the number of antenna ports of the base station and the CSI-RS pattern, a second code according to a relationship between the second code, the CSI-RS period and the sub-frame offset, and a third code indicating the data muting position;

transmitting, by the base station, channel state information-reference signal (CSI-RS) configuration codes to a terminal device, wherein the CSI-RS configuration codes comprise the first code, the second code and the third code.

2. The method according to claim 1 , wherein the second code further corresponds to a data muting period and a data muting 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 according to 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:

sending, by the base station to 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 transmitted 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 transmitted through a master information block in a broadcast channel.

8. A base station, comprising a transceiver, a memory and a processor coupled with the transceiver and the memory, wherein the processor is configured to:

determine a channel state information-reference signal (CSI-RS) pattern, and the number of antenna ports of the base station corresponding to the CSI-RS pattern;

determine a CSI-RS period and a sub-frame offset;

determine a data muting position; and

determine a first code 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 second code according to a relationship between the second code, the CSI-RS period and the sub-frame offset stored in the memory, and determine a third code indicating the data muting position;

the transceiver is configured to:

transmit channel state information-reference signal (CSI-RS) configuration codes to a terminal device, wherein the CSI-RS configuration codes comprise the first code, the second code and the third code.

9. The base station according to claim 8 , wherein the second code further corresponds to a data muting period and a data muting offset.

10. The base station according to claim 8 , wherein the third code is a bitmap.

11. The base station 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 base station according to claim 8 , wherein the transceiver is further configured to:

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

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

14. The base station according to claim 8 , wherein at least one of the first code, the second code, and the third code is transmitted 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:

determine a channel state information-reference signal (CSI-RS) pattern, and the number of antenna ports of the base station corresponding to the CSI-RS pattern;

determine a CSI-RS period and a sub-frame offset;

determine a data muting position; and

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

16. The apparatus according to claim 15 , wherein the second code further corresponds to a data muting period and a data muting 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 at least one of the first code, the second code, and the third code is transmitted to a terminal device through a system information block in a broadcast channel.

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