Communication method, apparatus, and system, and storage medium

An apparatus, comprising:

• at least one processor configured to execute a program stored in a memory, wherein when the program is executed by the at least one processor, the apparatus is enabled to perform operations comprising:
• determining a second resource position for a second node to send a second signal, wherein the second resource position and a first resource position are time division multiplexed, the first resource position is used by a first node to send a first signal, the first resource position and the second resource position are located in a half frame, the first resource position is associated with an identifier of the first node, and the second resource position is associated with an identifier of the second node;
• receiving the first signal at the first resource position;
• and
• sending the second signal at the second resource position.