| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a base station apparatus, terminal device, method, and a communication system capable of efficiently allocating a reference signal and acquiring appropriate feedback information in a communication system capable of performing non-cooperative communication and cooperative communication. <P>SOLUTION: The base station apparatus configuring an own cell to communicate with the terminal device comprises: a reporting unit that reports, to the terminal device, information designating a first subframe including a first resource element in which a reference signal in the own cell is allocated, and information designating a second subframe including a second resource element in which the reference signal in another cell different from the own cell is allocated and which does not transmit a signal in the own cell; and a mapping unit that, when data is mapped to the resource element of the second subframe, performs no mapping of data to the second resource element. <P>COPYRIGHT: (C)2012,JPO&INPIT |
