JP5120809B2 - Ofdm受信装置 - Google Patents
Ofdm受信装置 Download PDFInfo
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- JP5120809B2 JP5120809B2 JP2008045323A JP2008045323A JP5120809B2 JP 5120809 B2 JP5120809 B2 JP 5120809B2 JP 2008045323 A JP2008045323 A JP 2008045323A JP 2008045323 A JP2008045323 A JP 2008045323A JP 5120809 B2 JP5120809 B2 JP 5120809B2
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C. Tepedelenlioglu外,"Low-Complexity Multipath Diversity ThroughFractional Sampling in OFDM", IEEE Transactions onSignal Processing, vol. 52, No. 11, pp. 3104-3116, Nov. 2004. Xiaojin Li外,"A Low Complexity Sign ML Detector forSymbol and Frequency Synchronization of OFDM Systems", IEEETransactions On Consumer Electronics, Vol. 52, No. 2, pp. 317-320, MAY 2006.
12 フィルタ
13 DFT
14 雑音白色化手段
15 チャネル評価手段
16 サンプル点選択手段
17 復調手段
Claims (2)
- シンボル周期の1/n(nはn≧2の整数)の各位相において、シンボル周期の1/G(Gは1≦G<nの整数)のサンプル周期で受信した既知信号をサンプルホールドした信号をフーリエ変換するフーリエ変換手段と、
該フーリエ変換手段からの各位相の信号をチャネルとして、各チャネルのサブキャリア毎の周波数応答を比較評価するチャネル評価手段と、
該チャネル評価手段による評価の結果、最小の周波数応答となるサブキャリアの応答が最大であるチャネルをサンプル点として選択するサンプル点選択手段と、
該サンプル点選択手段によって選択された位相のサンプル点のデータ信号を復調する復調手段と
を備えることを特徴とするOFDM受信装置。 - 前記フーリエ変換手段の出力の有色雑音を白色化する雑音白色化手段を更に備えることを特徴とする請求項1記載のOFDM受信装置。
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JP2008045323A JP5120809B2 (ja) | 2008-02-26 | 2008-02-26 | Ofdm受信装置 |
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JP2008045323A JP5120809B2 (ja) | 2008-02-26 | 2008-02-26 | Ofdm受信装置 |
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JP2009206668A JP2009206668A (ja) | 2009-09-10 |
JP5120809B2 true JP5120809B2 (ja) | 2013-01-16 |
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JP2008045323A Expired - Fee Related JP5120809B2 (ja) | 2008-02-26 | 2008-02-26 | Ofdm受信装置 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5718785B2 (ja) * | 2011-10-13 | 2015-05-13 | トヨタ自動車株式会社 | 無線通信システム、無線受信機および無線送信機 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000261405A (ja) * | 1999-03-05 | 2000-09-22 | Matsushita Electric Ind Co Ltd | ダイバーシティ送受信機 |
US7039000B2 (en) * | 2001-11-16 | 2006-05-02 | Mitsubishi Electric Research Laboratories, Inc. | Timing synchronization for OFDM-based wireless networks |
JP5052280B2 (ja) * | 2007-10-01 | 2012-10-17 | 株式会社日立国際電気 | 受信機 |
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