MXPA02005197A - Codificacion de correcion/deteccion de error para sistemas jerarquicos de transmision de modulacion de cuadratura de amplitud (qam). - Google Patents
Codificacion de correcion/deteccion de error para sistemas jerarquicos de transmision de modulacion de cuadratura de amplitud (qam).Info
- Publication number
- MXPA02005197A MXPA02005197A MXPA02005197A MXPA02005197A MXPA02005197A MX PA02005197 A MXPA02005197 A MX PA02005197A MX PA02005197 A MXPA02005197 A MX PA02005197A MX PA02005197 A MXPA02005197 A MX PA02005197A MX PA02005197 A MXPA02005197 A MX PA02005197A
- Authority
- MX
- Mexico
- Prior art keywords
- data stream
- correction
- error
- detection
- ratio
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 87
- 238000012937 correction Methods 0.000 claims description 86
- 230000005540 biological transmission Effects 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 15
- 230000005484 gravity Effects 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 4
- 230000009365 direct transmission Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001143 conditioned effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
-
- 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
- H04L1/0065—Serial concatenated codes
-
- 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
- H04L1/0056—Systems characterized by the type of code used
- H04L1/007—Unequal error protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3488—Multiresolution systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16702199P | 1999-11-23 | 1999-11-23 | |
| PCT/US2000/032010 WO2001039455A1 (en) | 1999-11-23 | 2000-11-22 | Error detection/correction coding for hierarchical qam transmission systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MXPA02005197A true MXPA02005197A (es) | 2002-11-07 |
Family
ID=22605621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MXPA02005197A MXPA02005197A (es) | 1999-11-23 | 2000-11-22 | Codificacion de correcion/deteccion de error para sistemas jerarquicos de transmision de modulacion de cuadratura de amplitud (qam). |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1232622B1 (enExample) |
| JP (1) | JP4649087B2 (enExample) |
| KR (1) | KR100684213B1 (enExample) |
| CN (1) | CN1274123C (enExample) |
| AU (1) | AU782684B2 (enExample) |
| BR (1) | BR0015739A (enExample) |
| DE (1) | DE60023173T2 (enExample) |
| MX (1) | MXPA02005197A (enExample) |
| WO (1) | WO2001039455A1 (enExample) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7583728B2 (en) | 2002-10-25 | 2009-09-01 | The Directv Group, Inc. | Equalizers for layered modulated and other signals |
| US7423987B2 (en) | 2001-04-27 | 2008-09-09 | The Directv Group, Inc. | Feeder link configurations to support layered modulation for digital signals |
| US7184489B2 (en) | 2001-04-27 | 2007-02-27 | The Directv Group, Inc. | Optimization technique for layered modulation |
| US7173981B1 (en) | 2001-04-27 | 2007-02-06 | The Directv Group, Inc. | Dual layer signal processing in a layered modulation digital signal system |
| US7471735B2 (en) | 2001-04-27 | 2008-12-30 | The Directv Group, Inc. | Maximizing power and spectral efficiencies for layered and conventional modulations |
| US7639759B2 (en) | 2001-04-27 | 2009-12-29 | The Directv Group, Inc. | Carrier to noise ratio estimations from a received signal |
| US7245671B1 (en) | 2001-04-27 | 2007-07-17 | The Directv Group, Inc. | Preprocessing signal layers in a layered modulation digital signal system to use legacy receivers |
| US7209524B2 (en) | 2001-04-27 | 2007-04-24 | The Directv Group, Inc. | Layered modulation for digital signals |
| US7502430B2 (en) | 2001-04-27 | 2009-03-10 | The Directv Group, Inc. | Coherent averaging for measuring traveling wave tube amplifier nonlinearity |
| US7483505B2 (en) | 2001-04-27 | 2009-01-27 | The Directv Group, Inc. | Unblind equalizer architecture for digital communication systems |
| AR040366A1 (es) | 2002-07-01 | 2005-03-30 | Hughes Electronics Corp | Mejora del rendimiento de la modulacion jerarquica por desplazamiento de ocho fases (8psk) |
| TWI279113B (en) * | 2002-07-03 | 2007-04-11 | Hughes Electronics Corp | Method and apparatus for layered modulation |
| US7463676B2 (en) | 2002-10-25 | 2008-12-09 | The Directv Group, Inc. | On-line phase noise measurement for layered modulation |
| ES2398213T3 (es) | 2002-10-25 | 2013-03-14 | The Directv Group, Inc. | Procesador de señal de modulación en capas de baja complejidad |
| US7474710B2 (en) | 2002-10-25 | 2009-01-06 | The Directv Group, Inc. | Amplitude and phase matching for layered modulation reception |
| US7616706B2 (en) * | 2003-05-16 | 2009-11-10 | Thomson Licensing | Repetition coding in a satellite-based communications system |
| KR101005036B1 (ko) * | 2003-05-16 | 2010-12-30 | 톰슨 라이센싱 | 레이어된 그리고 계층적인 변조 시스템을 위한 통합 수신기 |
| US7502429B2 (en) | 2003-10-10 | 2009-03-10 | The Directv Group, Inc. | Equalization for traveling wave tube amplifier nonlinearity measurements |
| JP4460412B2 (ja) | 2003-11-26 | 2010-05-12 | パナソニック株式会社 | 受信装置及び部分ビット判定方法 |
| CN1886958B (zh) * | 2003-11-26 | 2010-08-18 | 松下电器产业株式会社 | 接收装置及发送装置 |
| KR100874016B1 (ko) * | 2007-06-29 | 2008-12-17 | 한국전자통신연구원 | 계층 변조 장치 및 그 방법과, 계층 복조 장치 및 그 방법 |
| JP5163298B2 (ja) * | 2008-06-04 | 2013-03-13 | 富士通株式会社 | 情報処理装置、データ伝送装置及びデータ伝送方法 |
| US8284652B2 (en) * | 2008-10-28 | 2012-10-09 | Qualcomm Incorporated | Enhanced forward link transmission |
| WO2015099556A1 (ru) * | 2013-12-23 | 2015-07-02 | Общество С Ограниченной Ответственностью "Космонет" | Метод передачи и приема сигналов кам (квадратурной амплитудной модуляции) |
| US11271703B2 (en) | 2014-05-02 | 2022-03-08 | Qualcomm Incorporated | Techniques for improving control channel capacity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2697395B1 (fr) * | 1992-10-22 | 1994-12-30 | France Telecom | Procédé de codage-décodage hiérarchique d'un signal numérique, et système correspondant utilisés en télévision numérique. |
| JP3691211B2 (ja) * | 1997-05-30 | 2005-09-07 | 日本放送協会 | デジタル信号送信装置、およびデジタル信号受信装置 |
| US5966412A (en) * | 1997-06-30 | 1999-10-12 | Thomson Consumer Electronics, Inc. | Apparatus and method for processing a Quadrature Amplitude Modulated (QAM) signal |
| JP2987352B2 (ja) * | 1997-09-25 | 1999-12-06 | 株式会社次世代デジタルテレビジョン放送システム研究所 | 階層伝送による多重方式とその送信装置、中継装置 |
-
2000
- 2000-11-22 MX MXPA02005197A patent/MXPA02005197A/es active IP Right Grant
- 2000-11-22 AU AU19252/01A patent/AU782684B2/en not_active Expired
- 2000-11-22 KR KR1020027006550A patent/KR100684213B1/ko not_active Expired - Lifetime
- 2000-11-22 JP JP2001540484A patent/JP4649087B2/ja not_active Expired - Lifetime
- 2000-11-22 BR BR0015739-2A patent/BR0015739A/pt not_active Application Discontinuation
- 2000-11-22 CN CNB008182159A patent/CN1274123C/zh not_active Expired - Lifetime
- 2000-11-22 DE DE60023173T patent/DE60023173T2/de not_active Expired - Lifetime
- 2000-11-22 EP EP00982190A patent/EP1232622B1/en not_active Expired - Lifetime
- 2000-11-22 WO PCT/US2000/032010 patent/WO2001039455A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE60023173T2 (de) | 2006-04-27 |
| JP4649087B2 (ja) | 2011-03-09 |
| CN1274123C (zh) | 2006-09-06 |
| EP1232622B1 (en) | 2005-10-12 |
| KR20020068353A (ko) | 2002-08-27 |
| DE60023173D1 (de) | 2005-11-17 |
| BR0015739A (pt) | 2002-07-16 |
| AU1925201A (en) | 2001-06-04 |
| WO2001039455A1 (en) | 2001-05-31 |
| JP2003525537A (ja) | 2003-08-26 |
| KR100684213B1 (ko) | 2007-02-20 |
| AU782684B2 (en) | 2005-08-18 |
| EP1232622A1 (en) | 2002-08-21 |
| CN1421086A (zh) | 2003-05-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Grant or registration |