JP6069543B1 - 受信装置および復号装置 - Google Patents
受信装置および復号装置 Download PDFInfo
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- JP6069543B1 JP6069543B1 JP2016003718A JP2016003718A JP6069543B1 JP 6069543 B1 JP6069543 B1 JP 6069543B1 JP 2016003718 A JP2016003718 A JP 2016003718A JP 2016003718 A JP2016003718 A JP 2016003718A JP 6069543 B1 JP6069543 B1 JP 6069543B1
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- 238000009499 grossing Methods 0.000 claims abstract description 23
- 238000012937 correction Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 16
- 230000003252 repetitive effect Effects 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002123 temporal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Description
図1に例示されるように、第1の実施形態に係る受信装置は、アンテナ101と、チューナ102と、中間周波数(IF;Intermediate Frequency)回路103と、OFDM復調装置110とを含む。
102・・・チューナ
103・・・IF回路
110,120・・・OFDM復調装置
111・・・復調部
112・・・データ平滑化部
113・・・LDPC復号部
Claims (4)
- 変調信号を復調し、第1の復調データを生成する復調部と、
前記第1の復調データを時間軸上で伸長し、第2の復調データを得る平滑化部と、
所定の符号化単位毎に、前記第2の復調データに対して反復的な誤り訂正復号処理を行う復号部と
を具備する、受信装置。 - 前記平滑化部は、前記第1の復調データを時間軸上で均一に伸長し、
前記第1の復調データと前記第2の復調データとの長さの比を表す伸長率は、前記変調信号の有効シンボル期間および隣接する有効シンボル期間同士の間隔に依存する、
請求項1記載の受信装置。 - 前記変調信号は、OFDM(Orthogonal Frequency Division Multiplexing)信号であり、
前記符号化単位は、LDPC(Low Density Parity Check)ブロックである、
請求項1記載の受信装置。 - 変調信号が復調された第1の復調データを時間軸上で伸長し、第2の復調データを得る平滑化部と、
所定の符号化単位毎に、前記第2の復調データに対して反復的な誤り訂正復号処理を行う復号部と
を具備する、復号装置。
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JP6069543B1 true JP6069543B1 (ja) | 2017-02-01 |
JP2017126832A JP2017126832A (ja) | 2017-07-20 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1116329A (ja) * | 1997-06-25 | 1999-01-22 | Matsushita Electric Ind Co Ltd | 映像信号記録再生装置 |
JP2000057711A (ja) * | 1998-08-07 | 2000-02-25 | Victor Co Of Japan Ltd | 誤り訂正復号装置 |
JP2014209699A (ja) * | 2013-03-29 | 2014-11-06 | 日本放送協会 | ワイヤレスマイク用ofdm送信装置、受信装置及び送受信方法 |
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2016
- 2016-01-12 JP JP2016003718A patent/JP6069543B1/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1116329A (ja) * | 1997-06-25 | 1999-01-22 | Matsushita Electric Ind Co Ltd | 映像信号記録再生装置 |
JP2000057711A (ja) * | 1998-08-07 | 2000-02-25 | Victor Co Of Japan Ltd | 誤り訂正復号装置 |
JP2014209699A (ja) * | 2013-03-29 | 2014-11-06 | 日本放送協会 | ワイヤレスマイク用ofdm送信装置、受信装置及び送受信方法 |
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