DE69926382T2 - Veränderter algorithmus zur schnellen faltung niedrigerer komplexität und höherer flexibilität - Google Patents
Veränderter algorithmus zur schnellen faltung niedrigerer komplexität und höherer flexibilität Download PDFInfo
- Publication number
- DE69926382T2 DE69926382T2 DE69926382T DE69926382T DE69926382T2 DE 69926382 T2 DE69926382 T2 DE 69926382T2 DE 69926382 T DE69926382 T DE 69926382T DE 69926382 T DE69926382 T DE 69926382T DE 69926382 T2 DE69926382 T2 DE 69926382T2
- Authority
- DE
- Germany
- Prior art keywords
- frequency components
- idft
- dft
- discrete fourier
- frequency
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 29
- 238000012545 processing Methods 0.000 claims description 22
- 238000011161 development Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000009466 transformation Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 description 23
- 230000004044 response Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 230000005465 channeling Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0211—Frequency selective networks using specific transformation algorithms, e.g. WALSH functions, Fermat transforms, Mersenne transforms, polynomial transforms, Hilbert transforms
- H03H17/0213—Frequency domain filters using Fourier transforms
Landscapes
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computing Systems (AREA)
- Computer Hardware Design (AREA)
- Probability & Statistics with Applications (AREA)
- Complex Calculations (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US163298 | 1998-09-30 | ||
| US09/163,298 US6247035B1 (en) | 1998-09-30 | 1998-09-30 | Reduced complexity and increased flexibility modified fast convolution algorithm |
| PCT/SE1999/001693 WO2000019654A1 (en) | 1998-09-30 | 1999-09-24 | Reduced complexity and increased flexibility modified fast convolution algorithm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69926382D1 DE69926382D1 (de) | 2005-09-01 |
| DE69926382T2 true DE69926382T2 (de) | 2006-04-27 |
Family
ID=22589378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69926382T Expired - Lifetime DE69926382T2 (de) | 1998-09-30 | 1999-09-24 | Veränderter algorithmus zur schnellen faltung niedrigerer komplexität und höherer flexibilität |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6247035B1 (enExample) |
| EP (1) | EP1114537B1 (enExample) |
| JP (1) | JP4384816B2 (enExample) |
| KR (1) | KR20010075519A (enExample) |
| CN (1) | CN1171414C (enExample) |
| CA (1) | CA2344634A1 (enExample) |
| DE (1) | DE69926382T2 (enExample) |
| TW (1) | TW472198B (enExample) |
| WO (1) | WO2000019654A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153456C (zh) * | 1998-03-04 | 2004-06-09 | 皇家菲利浦电子有限公司 | 水印检测的方法和设备 |
| US6611855B1 (en) | 1999-06-21 | 2003-08-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Flexible and efficient channelizer architecture |
| FR2817100B1 (fr) * | 2000-11-17 | 2003-08-22 | Cit Alcatel | Procede pour optimiser les performances d'un emetteur pour systeme de radiocommunications mobiles |
| AU2003214157A1 (en) * | 2002-03-11 | 2003-09-29 | Catena Networks, Inc. | Equalization scheme for dsl receivers in presence of an under-sampled or over-sampled transmit idft |
| CA2375823A1 (en) * | 2002-03-11 | 2003-09-11 | Catena Networks Canada Inc. | Improved equalization scheme for adsl receivers in presence of an under-sampled or over-sampled transmit ifft |
| KR100790534B1 (ko) * | 2006-08-01 | 2008-01-02 | 주식회사 몬도시스템즈 | 컨벌루션 중첩-보류 기법이 적용되는 신호처리 장치 및방법 |
| CN102342069A (zh) | 2008-12-29 | 2012-02-01 | Nxp股份有限公司 | 在频域中的分数频率和采样速率改变 |
| US8346091B2 (en) | 2009-04-29 | 2013-01-01 | Andrew Llc | Distributed antenna system for wireless network systems |
| CN103270697A (zh) | 2010-12-21 | 2013-08-28 | 日本电气株式会社 | 数字滤波电路和数字滤波控制方法 |
| BR112015009601A2 (pt) | 2012-10-31 | 2017-07-04 | Commscope Technologies Llc | sistema de telecomunicações e sistema de antenas distribuídas |
| CN109596649A (zh) * | 2018-11-29 | 2019-04-09 | 昆明理工大学 | 一种基于卷积网络耦合微合金元素对主元素浓度影响的方法及装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0620855B2 (ja) * | 1984-07-31 | 1994-03-23 | ヤマハ発動機株式会社 | 自動四輪車 |
| GB9104186D0 (en) | 1991-02-28 | 1991-04-17 | British Aerospace | Apparatus for and method of digital signal processing |
| US5270953A (en) | 1991-05-23 | 1993-12-14 | Rockwell International Corporation | Fast convolution multiplier |
| US5535240A (en) | 1993-10-29 | 1996-07-09 | Airnet Communications Corporation | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network |
| US5485395A (en) * | 1994-02-14 | 1996-01-16 | Brigham Young University | Method for processing sampled data signals |
| US5583792A (en) * | 1994-05-27 | 1996-12-10 | San-Qi Li | Method and apparatus for integration of traffic measurement and queueing performance evaluation in a network system |
| US5794046A (en) * | 1994-09-29 | 1998-08-11 | International Business Machines Corporation | Method and system for debugging parallel and distributed applications |
| US5930231A (en) * | 1995-06-30 | 1999-07-27 | Scientific-Atlanta, Inc. | Block spectrum receiver for a broadband communications system |
| US5890106A (en) * | 1996-03-19 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Analysis-/synthesis-filtering system with efficient oddly-stacked singleband filter bank using time-domain aliasing cancellation |
-
1998
- 1998-09-30 US US09/163,298 patent/US6247035B1/en not_active Expired - Lifetime
-
1999
- 1999-09-24 KR KR1020017004142A patent/KR20010075519A/ko not_active Withdrawn
- 1999-09-24 EP EP99969864A patent/EP1114537B1/en not_active Expired - Lifetime
- 1999-09-24 WO PCT/SE1999/001693 patent/WO2000019654A1/en not_active Ceased
- 1999-09-24 CN CNB998138991A patent/CN1171414C/zh not_active Expired - Fee Related
- 1999-09-24 JP JP2000573035A patent/JP4384816B2/ja not_active Expired - Fee Related
- 1999-09-24 CA CA002344634A patent/CA2344634A1/en not_active Abandoned
- 1999-09-24 DE DE69926382T patent/DE69926382T2/de not_active Expired - Lifetime
- 1999-10-02 TW TW088117011A patent/TW472198B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1114537A1 (en) | 2001-07-11 |
| CN1171414C (zh) | 2004-10-13 |
| JP2002526977A (ja) | 2002-08-20 |
| JP4384816B2 (ja) | 2009-12-16 |
| DE69926382D1 (de) | 2005-09-01 |
| EP1114537B1 (en) | 2005-07-27 |
| CA2344634A1 (en) | 2000-04-06 |
| WO2000019654A1 (en) | 2000-04-06 |
| CN1328732A (zh) | 2001-12-26 |
| TW472198B (en) | 2002-01-11 |
| KR20010075519A (ko) | 2001-08-09 |
| US6247035B1 (en) | 2001-06-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |