IQ IMBALANCE COMPENSATION METHOD IN MIMO-OFDM COMMUNICATION SYSTEM

摘要

PPROBLEM TO BE SOLVED: To provide an IQ imbalance compensation method in MIMO-OFDM communication system arranged such that IQ imbalance due to incompleteness of hardware can be compensated. PSOLUTION: The IQ imbalance compensation method in MIMO-OFDM communication system applied to MIMO-OFDM communication system in order to compensate IQ imbalance caused by incompleteness of hardware included in both a transmitter and a receiver, comprises a step for transmitting a training signal capable of estimating channel response including impact of IQ imbalance on the transmitter side, a step for estimating an expansion channel matrix including impact of IQ imbalance, based on the transmitted training signal on the receiver side, and a step for achieving compensation of IQ imbalance by performing reception processing according to the reception processing method of MIMO-OFDM communication system, based on the estimated expansion channel matrix. PCOPYRIGHT: (C)2007,JPO&INPIT