ABSTRACT Current terrestrial Digital Multimedia Broadcasting (T-DMB) is conducting .the emergency alert broadcast, or can view a variety of broadcasting. However, propagation shadow area is a situation where the service is limited due to limitations of facilities investment. In addition, there is the problem of T-DMB broadcasting is for viewing only a restricted area and a mobile device because the mobile is also T-DMB viewing device impossible. In this paper, it receives a T-DMB broadcasting as a way to solve the problems of the T-DMB system, which was studied the re transmission to the mobile device. Accordingly, by receiving the broadcast may be watched in the mobile device the T-DMB reception impossible. Also provides a one-way/two-way authentication mechanism using a conditional access function, and the system was configured so that the user can watch only the registered broadcasting. 키워드 : 멀티미디어 방송, 제한수신, 지상파 방송, T-DMB Key word : Multimedia Broadcasting, Reception Function, Terrestial Broadcasting, T-DMB