Method, system, and device for confirming uplink-downlink configuration

A method of determining an uplink and downlink subframe configuration, comprising:

• a NodeB of a first cell acquiring an interference parameter value of the first cell, wherein the NodeB of the first cell acquiring the interference parameter value of the first cell comprising:
• the NodeB of the first cell measuring signal of an adjacent cell, and acquiring the interference parameter value of the first cell according to the measured signal of the adjacent cell;
• or, the NodeB of the first cell receiving and acquiring the interference parameter value of the first cell from a UE;
• the NodeB of the first cell determining from the acquired interference parameter value of the first cell whether the first cell can perform the uplink and downlink subframe configuration autonomously, wherein the uplink and downlink subframe configuration refers to an allocation pattern of the uplink and downlink subframes;
• and
• the NodeB of the first cell performing the uplink and downlink subframe configuration autonomously when determining that the first cell can perform the uplink and downlink subframe configuration autonomously;
• or, the NodeB of the first cell performing the uplink and downlink subframe configuration according to configuration information when determining that the first cell can not perform the uplink and downlink subframe configuration autonomously.