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 quantity of antenna ports of the base station for transmitting a CSI-RS and a CSI-RS pattern according to the first code;

determining, by the terminal device, a CSI-RS period and an offset corresponding to the CSI-RS period according to the second code; and

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

wherein the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern are respectively indicated in the first code; and

wherein the CSI-RS period and the offset corresponding to the CSI-RS period are jointly indicated in the second code.

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.

3. The method according to claim 2 , wherein the data muting period and the data muting offset are jointly indicated in the fourth code.

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. A terminal device, comprising: a transceiver and a processor, wherein

the transceiver is configured to: receive, 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;

the processor is configured to: determine, based on the first code, a quantity of antenna ports of the base station for transmitting a CSI-RS, and a CSI-RS pattern, determine, based on the second code, a CSI-RS period and an offset corresponding to the CSI-RS period, and determine, based on the third code, a data muting resource element (RE);

wherein the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern are respectively indicated in the first code; and

wherein the CSI-RS period and the offset corresponding to the CSI-RS period are jointly indicated in the second code.

6. The terminal device according to claim 5 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and

the processor is further configured to:

determine, based on the fourth code, the data muting period and the data muting offset.

7. The terminal device according to claim 6 , wherein the data muting period and the data muting offset are jointly indicated in the fourth code.

8. The terminal device according to claim 6 , 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.

9. A processor in a terminal device, coupled with a non-transitory storage medium storing processor-executable instructions, wherein the processor is configured to execute the instructions to:

obtain, from a base station, 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, based on the first code, a quantity of antenna ports of the base station for transmitting a CSI-RS, and a CSI-RS pattern; and

determine, based on the second code, a CSI-RS period and an offset corresponding to the CSI-RS period,

determine, based on the third code, a data muting resource element (RE);

wherein the quantity of antenna ports and the CSI-RS pattern are respectively indicated in the first code; and

the CSI-RS period and the offset corresponding to the CSI-RS period are jointly indicated in the second code.

10. The processor according to claim 9 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and wherein the processor is further configured to:

determine, based on the fourth code, the data muting period and the data muting offset.

11. The processor according to claim 10 , wherein the data muting period and the data muting offset are jointly indicated in the fourth code.

12. A non-transitory storage medium storing program instructions that when executed by a processor of a device, cause the device to perform a process that comprises:

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

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

determining, based on the second code, a CSI-RS period and an offset corresponding to the CSI-RS period, and

determining, based on the third code, a data muting resource element (RE);

wherein the quantity of antenna ports of the base station for transmitting the CSI-RS and the CSI-RS pattern are respectively indicated in the first code; and

wherein the CSI-RS period and the offset corresponding to the CSI-RS period are jointly indicated in the second code.

13. The non-transitory storage medium according to claim 12 , wherein the CSI-RS configuration codes further comprise a fourth code indicating a data muting period and a data muting offset, and wherein the process further comprises:

determining, based on the fourth code, the data muting period and the data muting offset.

14. The non-transitory storage medium according to claim 13 , wherein the data muting period and the data muting offset are jointly indicated in the fourth code.