Abstract:
PURPOSE: A distribution type MIMO channel precoding/decoding method in a DF(Decode-and-Forward) cooperation mobile network of a relay base is provided to reduce operation burden by information relay on a wireless network. CONSTITUTION: An MIMO antenna receives a transmission signal from a source(S210). A precoding/decoding unit transmits a matrix A and a transmission signal(S220). The precoding/decoding unit precodes and decodes transmission signals. The MIMO antenna forwards transmission signals to a destination(S230).