Patent ID: 11968140
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The method according to claim 2, wherein before determining, by the network side device, the quantity of the DMRS port groups occupied by the downlink transmission data sent to the terminal, the method further comprises:
receiving, by the network side device, a recommendation message reported by the terminal;
wherein the recommendation message comprises the quantity of DMRS port groups recommended by the terminal, and/or the code word transmission mode recommended by the terminal;
wherein the quantity of DMRS port groups recommended by the terminal and/or the code word transmission mode recommended by the terminal is determined by the terminal through measuring a downlink signal sent by the network side device via at least one of the transmission points.