Communication method, terminal device and network device

A communication method, comprising:

• receiving, by a first terminal device, a first message on a first sidelink transmission channel sent by a second terminal device, wherein the first sidelink transmission channel is used for transmitting the first message;
• sending, by the first terminal device, a second message on a second sidelink transmission channel to the second terminal device in response to the first message, wherein the second sidelink transmission channel is used for transmitting the second message, and the second message is a feedback message of the first message;
• and
• determining, by the first terminal device, a first transmission resource from a first transmission resource set according to a group identifier of a first terminal device group, wherein the group identifier is a device group identifier for identifying a group that the first terminal device group belongs to,
• wherein determining, by the first terminal device, the first transmission resource, comprises:
• acquiring, by the first terminal device, the first transmission resource set;
• and
• determining, by the first terminal device, the first transmission resource from the first transmission resource set,
• wherein determining, by the first terminal device, the first transmission resource from the first transmission resource set comprises:
• determining, by the first terminal device, the first transmission resource from the first transmission resource set further according to at least one of the following:
• an identifier of the first terminal device, or second indication information sent to the first terminal device by the second terminal device,
• wherein receiving, by the first terminal device, the second indication information while receiving the first message.