Base station device, mobile station device, control information transmission method, control information reception method and program

摘要

In a radio system which allocates resources using as units resource blocks which are formed by frequency components and time components, control information for mobile station devices, and identification information which is used to identify a format for a control information transmission channel which transmits the control information is transmitted from the base station device to the mobile station devices by means of the control information transmission channel.

主权项

1. A base station device comprising:
a transmission unit configured to transmit control information to a mobile station device over a control information transmission channel, said control information comprising a Cyclic Redundancy Check (CRC) field and a payload field, the payload field comprising at least one control information field; and a notification unit configured to notify the mobile station device of identification information identifying a format specifying types of the at least one control information field included in the payload field, their sizes in bits and their positions within the payload field, and indication information indicating a format allocated to the mobile station device and one index specifying one of the at least one control information fields, wherein
the CRC field is masked by the identification information.