18-05-2018 дата публикации
Номер: KR0101859619B1
The present invention relates to a multicasting method using a relay in a mobile communications network. According to the present invention, the method comprises: a step of forming, by a base station and a relay, a multicasting group for multicasting; a step of comparing available radio resources of the base station and a relay zone of the relay to a predetermined first reference value; a first scheme performing step of transmitting, by the base station, data burst, which is one frame earlier, to the relay and in the next frame, transmitting, by the base station and the relay, the same data burst in each access zone thereof to a terminal belonging to the multicasting group when the available radio resource of the relay zone is the first reference value or greater; and a second scheme performing step of receiving, by the terminal belonging to the multicasting group and the relay, the data burst from the access zone of the base station together and in the next frame, transmitting, by the ...
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