METHOD OF TRANSMITTING PREAMBLE FOR SUPPORTING RELAY SYSTEM

摘要

PURPOSE: A method of transmitting preamble for a supporting relay system is provided to efficiently synchronize a terminal and/or a low rank RS(Relay Station) with a base station or a high position RS using a allocation method of a synchronous channel and allocation method of a broadcast channel. CONSTITUTION: A first preamble is transmitted to be synchronized with either one of a terminal and a repeater station. A second preamble including the additional information is transmitted to be synchronized with either one of a terminal and a repeater station. The second preamble is periodically transmitted with the predetermined time interval after transmitting the first preamble.