映像情報メディア学会誌
Online ISSN : 1881-6908
Print ISSN : 1342-6907
ISSN-L : 1342-6907
地上デジタル放送用適応型回り込みキャンセラの基本検討
荒関 卓
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ジャーナル フリー

2002 年 56 巻 2 号 p. 290-296

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A loop canceller is described for coping with loop coupling at relay stations for OFDM (orthogonal frequency division multiplexing) SFNs (single frequency networks) in terrestrial digital broadcasting systems. An iteratively adaptive algorithm based on the least means square method is used for the loop cancellation filter. Use of this adaptive filter reduces hardware complexity and minimizes hardware size. Computer simulation showed that the proposed canceller is effective for loop cancellation in actual OFDM digital broadcasting systems.
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© 社団法人 映像情報メディア学会
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