| 摘要 |
Embodiments of the present invention disclose a resource indication method, an apparatus, and a system, and relate to the communications field, so as to reduce overhead of control signaling. The method provided in the embodiments of the present invention is applied to a device-to-device D2D communications system, where the D2D communications system includes at least one first node and one second node, and the method includes: receiving, by the first node, control signaling sent by the second node, where the control signaling includes an indication identifier and resource indication information corresponding to the indication identifier, and the resource indication information is used to indicate a resource used when data is transmitted; and determining, by the first node according to the indication identifier, to receive data or send data on the resource indicated by the resource indication information. |
