JP2000503185A - 信号を符号化するためのデータ伝送方法及び機器 - Google Patents
信号を符号化するためのデータ伝送方法及び機器Info
- Publication number
- JP2000503185A JP2000503185A JP9524886A JP52488697A JP2000503185A JP 2000503185 A JP2000503185 A JP 2000503185A JP 9524886 A JP9524886 A JP 9524886A JP 52488697 A JP52488697 A JP 52488697A JP 2000503185 A JP2000503185 A JP 2000503185A
- Authority
- JP
- Japan
- Prior art keywords
- parallel
- transmitted
- data
- information
- decoder
- 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.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
- H04J13/0048—Walsh
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
- H04J13/102—Combining codes
- H04J13/107—Combining codes by concatenation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0064—Concatenated codes
- H04L1/0066—Parallel concatenated codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
- H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0041—Arrangements at the transmitter end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0047—Decoding adapted to other signal detection operation
- H04L1/005—Iterative decoding, including iteration between signal detection and decoding operation
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.チャンネル内で生成される伝送誤りを最小限におさえるために伝送される べき信号を処理することを含んで成るデジタル信号を伝送するためのデータ伝送 方法において、信号符号化が、組合せた並列連結たたみ込み符号化及び超直交た たみ込みコードを用いることによって実現されることを特徴とするデータ伝送方 法。 2.伝送されるべき情報は、伝送されるべき超直交シーケンスのうちの1つを 選択するビットを生成する並列連結たたみ込み符号化を受け、伝送されるべきシ ーケンスの数が並列たたみ込み符号器の数と等しいことを特徴とする請求項1に 記載の方法。 3.各ブロックに供給される情報が異なる順序でインタリーブされるような形 で、2つ以上の並列符号化ブロックに対し伝送されるべき情報を供給する段階、 及び予め定められた生成多項式に基づいて各ブロック内で伝送されるべき情報 を再帰的にたたみ込み符号化する段階をそなえ、 かつ各々の符号化ブロックの出力が Walsh関数又はその相補的値としてマッピ ングされることを特徴とする請求項1に記載の方法。 4.オリジナルデータビットが Walsh関数又はその補数のいずれが伝送されて いるかを決定することを特徴とする請求項3に記載の方法。 5.たたみ込み符号器の出力内の1ビットが、Walsh関数又はその補数のいず れが伝送されているかを決定することを特徴とする請求項3に記載の方法。 6.復号されたビットに加えて、下された決定の信頼性についての情報を生成 する2つ以上の並列復号器で受信信号を反復的に復号することをそなえて成り、 各々の反復的ラウンド中に下される決定 の信頼性に関する情報が他の並列復号器に供給されることを特徴とする請求項1 に記載の方法。 7.受信した Walsh関数又はその補数は各々、独自の並列復号器に供給される こと、及び下された決定の信頼性についての各復号器により生成された情報はイ ンタリーブされて他の並列復号器に供給され、この情報は次の反復ラウンド中に 利用されることを特徴とする請求項3又は6に記載の方法。 8.並列復号器から供給される情報の影響は、それが他の復号器に供給される 前に信頼性情報から除去されることを特徴とする請求項7に記載の方法。 9.デジタル信号を符号化しかつ復号するための機器において、符号化側に、 少なくとも2つの並列符号器(600,602)をそなえ、この符号器の入力は伝送さ れるべきデータシーケンス(604)であり、このデータシーケンスは、データが 各符号器(600,602)内で異なる順序にあるような形でインタリーブされ、かつ 復号側では少なくとも2つの並列復号器(700,702)をそなえて成る機器であっ て、 符号化側では、各々の並列符号器(600,602)は、カスケード接続で組合わさ れ、符号化されるべきデータが供給される一群のレジスタ(612a〜618a)、及び 与えられた生成多項式によりその接続が左右されレジスタ(612a〜618a)の出力 を符号化されるべきデータに加算する一群の加算手段(620a〜626a)、及びレジ スタ(612a〜618a)の出力から成る入力と変換器手段(628a)の入力に基づいて 選択された Walshシンボル又はその補数を含む出力(608)をもつマッピング手 段(628a)をそなえて成ること、そして、 復号側では、各々の並列復号器(700,702)の入力(704,706)は、受信した Walshシンボル又はその補数、及び他の並列復号器か ら受信されたシンボル決定についての信頼性情報(718,720)から成ることを特 徴とする機器。 10.符号化側では、符号化されるべきデータ(530a)がマッピング手段(628a )の入力側に供給されること、そして、前記データはマッピング手段の出力(60 8)が Walshシンボル又はその補数をそなえているか否かを決定することを特徴 とする請求項9に記載の機器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI960161 | 1996-01-12 | ||
FI960161A FI100565B (fi) | 1996-01-12 | 1996-01-12 | Tiedonsiirtomenetelmä ja laitteisto signaalin koodaamiseksi |
PCT/FI1997/000009 WO1997025793A1 (en) | 1996-01-12 | 1997-01-10 | Data transmission method and equipment for encoding a signal |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2000503185A true JP2000503185A (ja) | 2000-03-14 |
JP2000503185A5 JP2000503185A5 (ja) | 2004-11-04 |
JP3794500B2 JP3794500B2 (ja) | 2006-07-05 |
Family
ID=8544832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52488697A Expired - Fee Related JP3794500B2 (ja) | 1996-01-12 | 1997-01-10 | 信号を符号化するためのデータ伝送方法及び機器 |
Country Status (13)
Country | Link |
---|---|
US (1) | US6038695A (ja) |
EP (1) | EP0873613B1 (ja) |
JP (1) | JP3794500B2 (ja) |
KR (1) | KR100479693B1 (ja) |
CN (1) | CN1161918C (ja) |
AT (1) | ATE262759T1 (ja) |
AU (1) | AU1312797A (ja) |
BR (1) | BR9706935A (ja) |
DE (1) | DE69728255T2 (ja) |
ES (1) | ES2216125T3 (ja) |
FI (1) | FI100565B (ja) |
RU (1) | RU2191470C2 (ja) |
WO (1) | WO1997025793A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6539050B1 (en) * | 1997-06-26 | 2003-03-25 | Hughes Electronics Corporation | Method for transmitting wideband signals via a communication system adapted for narrow-band signal transmission |
US6510147B1 (en) | 1997-07-15 | 2003-01-21 | Hughes Electronics Corporation | Method and apparatus for orthogonally overlaying variable chip rate spread spectrum signals |
US6396822B1 (en) * | 1997-07-15 | 2002-05-28 | Hughes Electronics Corporation | Method and apparatus for encoding data for transmission in a communication system |
US6192503B1 (en) * | 1997-08-14 | 2001-02-20 | Ericsson Inc. | Communications system and methods employing selective recursive decording |
KR100248396B1 (ko) * | 1997-10-24 | 2000-03-15 | 정선종 | 병렬 길쌈 부호화기를 사용한 채널 부호기 설계방법 |
US6233271B1 (en) * | 1997-12-31 | 2001-05-15 | Sony Corporation | Method and apparatus for decoding trellis coded direct sequence spread spectrum communication signals |
FR2778040B1 (fr) * | 1998-04-28 | 2000-05-26 | Alsthom Cge Alcatel | Procede et dispositif de codage correcteur d'erreur pour des transmissions de donnees numeriques a debit eleve, et procede et dispositif de decodage correspondant |
US6356528B1 (en) * | 1999-04-15 | 2002-03-12 | Qualcomm Incorporated | Interleaver and deinterleaver for use in a diversity transmission communication system |
FR2794268B1 (fr) * | 1999-05-25 | 2001-08-31 | Canon Kk | Procedes et dispositifs d'emission et de reception d'information, et systemes les mettant en oeuvre |
EP1085660A1 (en) * | 1999-09-15 | 2001-03-21 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Parallel turbo coder implementation |
JP4543479B2 (ja) * | 2000-03-02 | 2010-09-15 | ソニー株式会社 | 通信システム及びその方法 |
JP4364405B2 (ja) * | 2000-06-12 | 2009-11-18 | 三菱電機株式会社 | 通信装置および通信方法 |
US7599610B2 (en) * | 2001-10-25 | 2009-10-06 | Harman International Industries, Incorporated | Interface for audio visual device |
WO2007014043A2 (en) * | 2005-07-21 | 2007-02-01 | Wionics Research | Deinterleaver and dual-viterbi decoder architecture |
RU2667370C1 (ru) * | 2017-11-07 | 2018-09-19 | Валерий Владимирович Золотарев | Способ декодирования линейного каскадного кода |
EA033569B1 (ru) * | 2017-12-08 | 2019-11-06 | Belarusian National Technical Univ | Способ передачи цифровой информации |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3795864A (en) * | 1972-12-21 | 1974-03-05 | Western Electric Co | Methods and apparatus for generating walsh functions |
US5193094A (en) * | 1990-03-07 | 1993-03-09 | Qualcomm Incorporated | Method and apparatus for generating super-orthogonal convolutional codes and the decoding thereof |
FI84866C (fi) * | 1990-03-12 | 1992-01-27 | Nokia Mobile Phones Ltd | Foerbaettring av en viterbi-algoritm. |
US5170396A (en) * | 1990-06-14 | 1992-12-08 | Introtek International, L.P. | Data valid detector circuit for manchester encoded data |
US5239560A (en) * | 1991-06-24 | 1993-08-24 | The United States Of America As Represented By The Secretary Of The Navy | Conveying digital data in noisy, unstable, multipath environments |
US5159608A (en) * | 1991-08-28 | 1992-10-27 | Falconer David D | Method and apparatus for using orthogonal coding in a communication system |
US5430740A (en) * | 1992-01-21 | 1995-07-04 | Nokia Mobile Phones, Ltd. | Indication of data blocks in a frame received by a mobile phone |
US5396653A (en) * | 1992-06-05 | 1995-03-07 | Nokia Mobile Phones Ltd. | Cellular telephone signalling circuit operable with different cellular telephone systems |
US5721745A (en) * | 1996-04-19 | 1998-02-24 | General Electric Company | Parallel concatenated tail-biting convolutional code and decoder therefor |
-
1996
- 1996-01-12 FI FI960161A patent/FI100565B/fi active
-
1997
- 1997-01-08 US US08/780,352 patent/US6038695A/en not_active Expired - Lifetime
- 1997-01-10 KR KR10-1998-0705043A patent/KR100479693B1/ko not_active IP Right Cessation
- 1997-01-10 RU RU98114984/09A patent/RU2191470C2/ru not_active IP Right Cessation
- 1997-01-10 JP JP52488697A patent/JP3794500B2/ja not_active Expired - Fee Related
- 1997-01-10 AT AT97900617T patent/ATE262759T1/de not_active IP Right Cessation
- 1997-01-10 EP EP97900617A patent/EP0873613B1/en not_active Expired - Lifetime
- 1997-01-10 AU AU13127/97A patent/AU1312797A/en not_active Abandoned
- 1997-01-10 CN CNB971916802A patent/CN1161918C/zh not_active Expired - Fee Related
- 1997-01-10 WO PCT/FI1997/000009 patent/WO1997025793A1/en active IP Right Grant
- 1997-01-10 BR BR9706935A patent/BR9706935A/pt not_active IP Right Cessation
- 1997-01-10 DE DE69728255T patent/DE69728255T2/de not_active Expired - Fee Related
- 1997-01-10 ES ES97900617T patent/ES2216125T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU1312797A (en) | 1997-08-01 |
EP0873613A1 (en) | 1998-10-28 |
CN1161918C (zh) | 2004-08-11 |
KR19990076915A (ko) | 1999-10-25 |
WO1997025793A1 (en) | 1997-07-17 |
FI960161A0 (fi) | 1996-01-12 |
RU2191470C2 (ru) | 2002-10-20 |
ATE262759T1 (de) | 2004-04-15 |
DE69728255D1 (de) | 2004-04-29 |
KR100479693B1 (ko) | 2005-07-21 |
DE69728255T2 (de) | 2005-04-28 |
ES2216125T3 (es) | 2004-10-16 |
EP0873613B1 (en) | 2004-03-24 |
CN1208525A (zh) | 1999-02-17 |
BR9706935A (pt) | 1999-07-20 |
JP3794500B2 (ja) | 2006-07-05 |
FI100565B (fi) | 1997-12-31 |
FI960161A (fi) | 1997-07-13 |
US6038695A (en) | 2000-03-14 |
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