JP4347746B2 - 同期補正回路 - Google Patents
同期補正回路 Download PDFInfo
- Publication number
- JP4347746B2 JP4347746B2 JP2004155843A JP2004155843A JP4347746B2 JP 4347746 B2 JP4347746 B2 JP 4347746B2 JP 2004155843 A JP2004155843 A JP 2004155843A JP 2004155843 A JP2004155843 A JP 2004155843A JP 4347746 B2 JP4347746 B2 JP 4347746B2
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- JP
- Japan
- Prior art keywords
- correction
- signal
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- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000001360 synchronised effect Effects 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims description 53
- 230000010363 phase shift Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/08—Speed or phase control by synchronisation signals the synchronisation signals recurring cyclically
Description
12 UW検出回路
14 ロード生成回路
16 ビットカウンタ
18 スロットカウンタ
20 同期補正部
22 同期タイミング生成回路
28 論理和ゲート回路
50 範囲レジスタ
52 イネーブル生成回路
Claims (3)
- ある特定のワードを検出する検出手段と、
該検出手段からの検出信号に基づいて供給されるデータをロードし、またカウントする第1のカウンタと、
第1のカウンタからのキャリー信号に応じてカウントする第2のカウンタと、
第1および第2のカウンタから供給される出力に応じて同期タイミングを生成する手段とを備え、
第1のカウンタの出力およびイネーブルにする範囲値に基づいて補正する範囲をイネーブル信号として生成するイネーブル生成手段と、
該イネーブル信号と前記検出信号とに基づいて第1のカウンタへの前記データをロードさせるロード信号を生成するロード生成手段とを含み、
前記イネーブル生成手段は、前記イネーブルにする補正範囲を示す固定データを格納する格納手段と、
供給された固定データを基に補正範囲を設定し、次の検出信号が供給されるタイミングを予測し、予測位置を中心にした補正範囲を同期補正に対するイネーブル信号として生成する補正範囲生成手段とを含むことを特徴とする同期補正回路。 - 請求項1に記載の回路において、前記イネーブル生成手段は、一回の補正に応じた補正量を規定する規定手段を含むことを特徴とする同期補正回路。
- 請求項1または2に記載の回路において、前記イネーブル生成手段は、前記規定手段を複数有し、
該複数の規定手段からそれぞれ供給される補正量の中から一つを選択する選択手段と、
該選択手段の選択を前記検出信号に基づいて前記選択手段に出力する選択制御手段とを含むことを特徴とする同期補正回路。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004155843A JP4347746B2 (ja) | 2004-05-26 | 2004-05-26 | 同期補正回路 |
US11/053,946 US7424078B2 (en) | 2004-05-26 | 2005-02-10 | Synchronous compensator adaptively defining an enable range for synchronous compensation |
CNA2005100541111A CN1702997A (zh) | 2004-05-26 | 2005-03-04 | 自适应地定义同步补偿使能范围的同步补偿器 |
KR1020050039656A KR101139771B1 (ko) | 2004-05-26 | 2005-05-12 | 동기보정을 위한 인에이블 범위를 적응적으로 규정하는동기보정기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004155843A JP4347746B2 (ja) | 2004-05-26 | 2004-05-26 | 同期補正回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005341110A JP2005341110A (ja) | 2005-12-08 |
JP4347746B2 true JP4347746B2 (ja) | 2009-10-21 |
Family
ID=35425257
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004155843A Expired - Fee Related JP4347746B2 (ja) | 2004-05-26 | 2004-05-26 | 同期補正回路 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7424078B2 (ja) |
JP (1) | JP4347746B2 (ja) |
KR (1) | KR101139771B1 (ja) |
CN (1) | CN1702997A (ja) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3976362B2 (ja) | 1996-10-16 | 2007-09-19 | ローム株式会社 | 移動体通信の受信回路 |
US4974081A (en) * | 1990-03-13 | 1990-11-27 | Pioneer Electronic Corporation | Clock pulse generating circuit |
KR100280044B1 (ko) * | 1994-01-29 | 2001-02-01 | 윤종용 | 직접확산 시스템의 수신기 |
JPH07221747A (ja) * | 1994-01-31 | 1995-08-18 | Sharp Corp | Tdmaデジタル無線受信装置のスロット同期装置 |
JP2940454B2 (ja) * | 1995-12-28 | 1999-08-25 | 日本電気株式会社 | スロット受信同期回路 |
JP3201257B2 (ja) * | 1996-04-23 | 2001-08-20 | 三菱電機株式会社 | 同期制御装置及び方法 |
DE69918764T2 (de) * | 1998-02-25 | 2005-06-30 | Koninklijke Philips Electronics N.V. | Kommunikationsvorrichtung mit phasenkontinuierlicher synchronisation auf eine externes netzwerk |
JP2912347B1 (ja) | 1998-04-28 | 1999-06-28 | 日本電気アイシーマイコンシステム株式会社 | 自営用phs親機システムにおけるisdn網とのクロック同期補正方法および回路 |
JP2004357015A (ja) * | 2003-05-29 | 2004-12-16 | Matsushita Electric Ind Co Ltd | 通信装置及び同期方法 |
-
2004
- 2004-05-26 JP JP2004155843A patent/JP4347746B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-10 US US11/053,946 patent/US7424078B2/en active Active
- 2005-03-04 CN CNA2005100541111A patent/CN1702997A/zh active Pending
- 2005-05-12 KR KR1020050039656A patent/KR101139771B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN1702997A (zh) | 2005-11-30 |
US20050265502A1 (en) | 2005-12-01 |
US7424078B2 (en) | 2008-09-09 |
KR101139771B1 (ko) | 2012-04-26 |
JP2005341110A (ja) | 2005-12-08 |
KR20060047802A (ko) | 2006-05-18 |
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