Patent ID: 9276650
Filing Date: 2016-03-01
CPC Classification: H04B,H04L,H04W

Claim Text:
1. A radio communication apparatus that receives downlink data addressed to the radio communication apparatus transmitted in a multiuser MIMO communication for simultaneously transmitting a plurality of transmission data to a group including a plurality of radio communication apparatuses, the radio communication apparatus comprising: a reception section that receives downlink allocation control information and the downlink data addressed to the radio communication apparatus and used for the multiuser MIMO communication; a determining section that determines a type of the received downlink allocation control information; an error detection section that detects a reception error of the received downlink data; and a response control section that transmits response signals corresponding to the downlink allocation control information and the received downlink data on uplink response resources including a control information response resource and a received data response resource specified by the downlink allocation control information, based on the determined type, a detection result of the reception error and a reception response rule.