The present invention relates to an OFDM receiver in a European HDTV transmission system, comprising: a filter unit (40); Frequency down section 42; Automatic gain control section 44; An A / D converter 46; An OFDM demodulator 48; An equalizer 50; QAM mapping unit 52; Weaving deinterleaver 54; Trellis decoder 56; AGC control unit 57; Block deinterleaver 58; Reed-Solomon decoder 60; Descrambler 62; And an output interface 64. According to the present invention, the automatic gain control using the error rate detected during trellis decoding can be performed to minimize the effect on noise and improve reception performance. have.
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机译：本发明涉及一种欧洲HDTV传输系统中的OFDM接收机，包括：滤波器单元（40）;和频率降低部分42;自动增益控制单元44; A / D转换器46; OFDM解调器48;均衡器50; QAM映射单元52;编织解交织器54;网格解码器56; AGC控制单元57;块解交织器58;里德-所罗门解码器60;解扰器62;以及输出接口64。根据本发明，可以执行使用在网格解码期间检测到的错误率的自动增益控制，以最小化对噪声的影响并改善接收性能。有。
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