Method and apparatus for transmitting and receiving extended broadcast service in digital broadcasting

摘要

PURPOSE: An expansion broadcasting service transmission and reception method in a digital broadcasting system and apparatus thereof are provided to improve a transmission performance by transmitting sub broadcasting data through a new method. CONSTITUTION: A digital broadcasting transmission apparatus includes a creation unit(110) and a transmission unit(120). The creation unit creates main and sub broadcasting data in different ways from each other. The creation unit improves a transmission performance by maintaining lower compatibility. The transmission unit transmits the main broadcasting data through a first method. The transmission unit transmits the sub broadcasting data through a second method.