TRANSMITTING APPARATUS, RECEIVING APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD AND INTEGRATED CIRCUIT

摘要

This transmitting apparatus transmits data signals at the same time and at a same frequency to a plurality of receiving apparatuses. The transmitting apparatus is characterized in having a transmitting unit that transmits, at the same time and at a same frequency, demodulation reference signals to a first receiving apparatus, and demodulation reference signals to a second receiving apparatus that is different from the first receiving apparatus.