| 摘要 |
<p>PURPOSE: A downlink signal transmission method of transmission group, the transmission group, a downlink signal receiving method of terminal, and the terminal are provided to obtain location information of resource including control information in the set resource in order to transmit data. CONSTITUTION: A communication system comprises a terminal(10), and a transmission group(20) performing uplink and downlink communications. A data channel transfer domain is classified to an expansion control channel, data channel, and extended control format indicator based on frequency resources. The extended control format indicator channel comprises information of the extended control channel. An extended control format indicator channel includes domain information of the extended control channel.</p> |
