Patent ID: 11910376
Assignee: DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 1:
2. A data transmission method, applied to a network device, comprising:
acquiring transmission information reported by a terminal, wherein the transmission information comprises at least one recommended uplink transmission manner corresponding to a transmission capability of the terminal and/or the transmission capability of the terminal;
indicating an uplink transmission manner to the terminal according to the transmission information,
wherein the transmission capability of the terminal comprises:
a scheduling indication manner supported by the terminal,
wherein the scheduling indication manner supported by the terminal comprises at least one of following scheduling indication manners:
a first scheduling indication manner, referring to that target information is indicated for each antenna panel of the terminal;
a second scheduling indication manner, referring to that the target information and position information between any two antenna panels of the terminal are indicated for each antenna panel of the terminal, wherein the position information comprises an amplitude and/or phase weighting factor;
a third scheduling indication manner, referring to that the target information is indicated jointly for all antenna panels provided for the terminal;
wherein the target information comprises transmit precoding matrix index (TPMI) and/or transmit rank index (TRI),
wherein the indicating the uplink transmission manner to the terminal according to the transmission information comprises:
in a case that the transmission information is the transmission capability of the terminal, selecting, according to the transmission capability of the terminal, at least one uplink transmission manner among a plurality of preconfigured uplink transmission manners and indicating the at least one uplink transmission manner to the terminal;
wherein prior to the selecting, according to the transmission capability of the terminal, at least one uplink transmission manner among a plurality of preconfigured uplink transmission manners and indicating the at least one uplink transmission manner to the terminal, the method further comprises:
selecting, according to the transmission capability of the terminal, one scheduling indication manner among the at least two scheduling indication manners supported by the terminal as a scheduling indication manner of the terminal, and indicating the one scheduling indication manner to the terminal; or,
selecting, according to the transmission capability of the terminal, at least one recommended scheduling indication manner among the at least two scheduling indication manners supported by the terminal, and indicating the at least one recommended scheduling indication manner to the terminal; or,
selecting one scheduling indication manner among at least one recommended scheduling indication manner transmitted by the terminal as a scheduling indication manner of the terminal, and indicating the one scheduling indication manner to the terminal,
wherein the plurality of preconfigured uplink transmission manners comprises: a first uplink transmission manner, a second uplink transmission manner and a third uplink transmission manner;
wherein the first uplink transmission manner refers to that one antenna panel is selected among at least two antenna panels provided for the terminal, and all data layers of the uplink data are transmitted on the selected antenna panel;
the second uplink transmission manner refers to that all data layers of the uplink data are transmitted on each antenna panel of the terminal;
the third uplink transmission manner refers to that all data layers of the uplink data are divided into N groups, and each group of data layers is transmitted on one antenna panel, wherein there is a one-to-one correspondence between the groups and the antenna panels, N is a quantity of the antenna panels of the terminal, and N is a positive integer greater than 1,
wherein the selecting, according to the transmission capability of the terminal, at least one uplink transmission manner among a plurality of preconfigured uplink transmission manners and indicating the at least one uplink transmission manner to the terminal comprise:
indicating the first uplink transmission manner to the terminal, in a case that the quantity of antenna panels supported by the terminal that are capable of simultaneous uplink transmission is 1 or the quantity of uplink resource sets supported by the terminal that are available for beam management is 1;
indicating the first uplink transmission manner or the third uplink transmission manner to the terminal, in a case that the quantity of antenna panels supported by the terminal that are capable of simultaneous uplink transmission or the quantity of uplink resource sets supported by the terminal that are available for beam management is M, and the quantity of antenna panels supported by the terminal that are capable of coherent transmission is 1;
indicating the first uplink transmission manner or the second uplink transmission manner to the terminal, in a case that the quantity of antenna panels supported by the terminal that are capable of simultaneous uplink transmission or the quantity of uplink resource sets supported by the terminal that are available for beam management is M, and the quantity of antenna panels supported by the terminal that are capable of coherent transmission is M;
indicating the first uplink transmission manner or the third uplink transmission manner to the terminal, in a case that the quantity of antenna panels supported by the terminal that are capable of simultaneous uplink transmission or the quantity of uplink resource sets supported by the terminal that are available for beam management is M, and the scheduling indication manner supported by the terminal is the first scheduling indication manner;
indicating the first uplink transmission manner or the second uplink transmission manner to the terminal, in a case that the quantity of antenna panels supported by the terminal that are capable of simultaneous uplink transmission or the quantity of uplink resource sets supported by the terminal that are available for beam management is M, and the scheduling indication manner supported by the terminal is the second scheduling indication manner or the third scheduling indication manner;
wherein M is a positive integer greater than 1.