선택형 빔형성을 통해 수신성능을 개선하는 디지털 방송 수신 장치
배재휘, 서재현, 김승원, 안치득
- 6946993 (2005.09.20)
02MR3200, 지능형 통합정보방송(SmarTV)기술개발,
- A receiver for improving reception ability of digital broadcasting service by switched beam-forming is disclosed. The receiver includes: an array antenna having a plurality of antenna elements for receiving signals of the digital broadcasting service; a demodulation unit for demodulating the receiving signals corresponding to each of antenna elements in the array antenna; beam-forming unit for generating a predetermined number of beam-forming signal by applying a beam-forming weights in order to direct to a predetermined direction according to the modulated signal from the modulation unit; and beam selection unit for selectively receiving signals of desired direction according to the beam forming signal. The present invention effectively eliminates multipath based on space filtering by utilizing beam-forming method with an array antenna for improving receiving performance of digital television broadcasting with VSB.
- KSP 제안 키워드
- Array antenna, Digital Broadcasting, Digital television broadcasting, Modulated signal, Switched beam, antenna elements, beam selection, beam-forming, digital television(DTV)