본 발명에 따른 신호 전송 방법은 복수의 동기 채널 심볼 및 복수의 방송 채널 심볼을 복수의 심볼 구간에 각각 할당하는 단계, 상기 복수의 동기 채널 심볼 및 상기 복수의 동기 채널 심볼과 인접하게 할당되어 있는 방송 채널 심볼에 제1 송신 다이버시티 방식을 적용하는 단계, 상기 복수의 동기 채널 심볼과 이격되어 할당되어 있는 상기 방송 채널 심볼에 제2 송신 다이버시티 방식을 적용하는 단계, 그리고 상기 복수의 동기 채널 심볼 및 상기 복수의 방송 채널 심볼을 전송하는 단계를 포함한다. 따라서 SCH 정보와 BCH 정보의 거리에 따라 BCH 정보의 송신 다이버시티 기법을 다양하게 적용함으로써 시간 다이버시티 이득을 극대화할 수 있다. 또한 섹터에 따라 상이한 위상 변이를 적용하여 섹터 경계에서 인접 섹터로부터 오는 간섭을 효율적으로 제거할 수 있다.
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