| 摘要 |
Provided are a method, device and communication system for performing data communication using an unlicensed spectrum, which relate to the technical field of communications and achieve reasonable scheduling of an unlicensed spectrum resource to perform data communication in a cellular system. The method provided in the embodiments of the present invention comprises: determining, by a base station, to adopt an unlicensed spectrum to perform data communication, and sending a mode request message to a terminal, and receiving, by the terminal, the mode request message sent by the base station (101); judging, by the terminal, whether the terminal adopts the unlicensed spectrum to perform data communication according to a pre-set configuration table (102); if it is determined to adopt the unlicensed spectrum to perform data communication, sending, by the terminal, a mode acknowledgement message to the base station (103); and receiving, by the base station, the mode acknowledgement message sent by the terminal, and performing, by the terminal, data communication with the base station on a first unlicensed frequency band (104), wherein the first unlicensed frequency band is any unlicensed frequency band in an intersection set of all the unlicensed frequency bands supported by the terminal and all the unlicensed frequency bands supported by the base station, and is determined by the terminal or a mobility management entity. |
