WIRELESS COMMUNICATION SYSTEM, WIRELESS COMMUNICATION METHOD, WIRELESS BASE STATIONS AND USER TERMINAL

摘要

The present invention minimizes a reduction in reception accuracy by appropriately notifying a user terminal of information required for a receiving process, even if a downlink signal is transmitted to the user terminal from a plurality of transmission points. This wireless communication system is provided with a plurality of wireless base stations, and a user terminal capable of coordinated multipoint transmission with the plurality of wireless base stations. Each wireless base station comprises: a generating unit for generating synchronization-related information related to time synchronization and frequency synchronization of downlink signals; a multiplexing unit for performing multiplexing on a preamble signal, which has a signal sequence that is included in the synchronization-related information, and a downlink signal; and a transmitting unit for transmitting the downlink signal to the user terminal. The user terminal comprises: a storage unit for storing the synchronization-related information generated by the generating unit; a receiving unit for receiving the downlink signal multiplexed with the preamble signal; and a synchronization processing unit for performing synchronization processing of the downlink signal using the synchronization-related information stored in the storage unit, and the signal sequence of the preamble signal.