Communication method and apparatus

A communication method, wherein the method comprises:

• receiving, by a target terminal device, downlink control information from a network device, wherein the downlink control information comprises first scheduling information and second scheduling information, the first scheduling information indicates a downlink transmission parameter and a downlink time-frequency resource that are used by the target terminal device and at least one cooperation terminal device to receive first data from the network device, the second scheduling information indicates a sidelink transmission parameter and a sidelink time-frequency resource that are used by the at least one cooperation terminal device to send second data to the target terminal device, and the target terminal device and the at least one cooperation terminal device belong to one cooperation transmission group;
• and
• receiving, by the target terminal device, the second data from a first cooperation terminal device based on the second scheduling information, wherein the first cooperation terminal device is one of the at least one cooperation terminal device, and the second data is generated based on the first data;
• wherein a quantity of the at least one cooperation terminal device is N, N is a positive integer, the second scheduling information comprises N pieces of scheduling sub-information, and each of the N pieces of scheduling sub-information correspondingly indicates a sidelink transmission parameter and a sidelink time-frequency resource of each of the at least one cooperation terminal device.

A communication apparatus, comprising:

• a transceiver;
• at least one processor;
• a non-transitory computer readable medium storing instructions that, when executed by the at least one processor, cause the communication apparatus to perform operations comprising:
• generating first scheduling information and second scheduling information, wherein the first scheduling information indicates a downlink transmission parameter and a downlink time-frequency resource that are used by a target terminal device and at least one cooperation terminal device to receive first data from the communication apparatus, the second scheduling information indicates a sidelink transmission parameter and a sidelink time-frequency resource that are used by the at least one cooperation terminal device to send second data to the target terminal device, the target terminal device and the at least one cooperation terminal device belong to one cooperation transmission group, and the second data is generated based on the first data;
• and
• sending, by the transceiver, downlink control information to the target terminal device and the at least one cooperation terminal device, wherein the downlink control information comprises the first scheduling information and the second scheduling information;
• wherein a quantity of the at least one cooperation terminal device is N, N is a positive integer, the second scheduling information comprises N pieces of scheduling sub-information, and each of the N pieces of scheduling sub-information correspondingly indicates a sidelink transmission parameter and a sidelink time-frequency resource of each of the at least one cooperation terminal device.

A communication apparatus, comprising:

• a transceiver;
• at least one processor;
• a non-transitory computer readable medium storing instructions that, when executed by the at least one processor, cause the communication apparatus to perform operations comprising:
• receiving downlink control information from a network device, wherein the downlink control information comprises first scheduling information and second scheduling information, the first scheduling information indicates a downlink transmission parameter and a downlink time-frequency resource that are used by the communication apparatus and at least one cooperation terminal device to receive first data from the network device, the second scheduling information indicates a sidelink transmission parameter and a sidelink time-frequency resource that are used by the at least one cooperation terminal device to send second data to the communication apparatus, and the communication apparatus and the at least one cooperation terminal device belong to one cooperation transmission group;
• and
• receiving, by the transceiver, the second data from a first cooperation terminal device based on the second scheduling information, wherein the first cooperation terminal device is one of the at least one cooperation terminal device, and the second data is generated based on the first data;
• wherein a quantity of the at least one cooperation terminal device is N, N is a positive integer, the second scheduling information comprises N pieces of scheduling sub-information, and each of the N pieces of scheduling sub-information correspondingly indicates a sidelink transmission parameter and a sidelink time-frequency resource of each of the at least one cooperation terminal device.