An LTE-based method, system, and device for ultra-distance coverage communication. The method comprises: increasing an uplink feedback subframe interval at a terminal side and an uplink feedback subframe interval at a base station side; after receiving uplink scheduling information sent by the base station side, the terminal side sending data over a subframe whose subframe interface is the increased uplink feedback subframe interval at the terminal side; and the terminal side receiving data verification information that is delivered by the base station side over a subframe whose subframe interval is the increased uplink feedback subframe interval at the base station side.