| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a terminal, a base station, a communication system, and a communication method allowing a base station to notify a terminal of control information on the terminal efficiently in a communication system in which the base station and the terminal perform communications. <P>SOLUTION: A terminal, which performs communications with a base station including a plurality of transmission antenna ports, estimates a transmission path situation between the base station and the terminal on the basis of a reference signal for measuring the transmission path situation transmitted from said plurality of transmission antenna ports, and generates power difference information indicating a difference of power among a plurality of groups of a transmission antenna port included in the plurality of transmission antenna ports on the basis of the transmission path situation. <P>COPYRIGHT: (C)2013,JPO&INPIT |
