CA2618981A1 - Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes - Google Patents
Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes Download PDFInfo
- Publication number
- CA2618981A1 CA2618981A1 CA002618981A CA2618981A CA2618981A1 CA 2618981 A1 CA2618981 A1 CA 2618981A1 CA 002618981 A CA002618981 A CA 002618981A CA 2618981 A CA2618981 A CA 2618981A CA 2618981 A1 CA2618981 A1 CA 2618981A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- filter
- channel
- impulse response
- joint demodulation
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims description 30
- 230000009467 reduction Effects 0.000 title description 2
- 230000004044 response Effects 0.000 claims abstract description 47
- 230000002452 interceptive effect Effects 0.000 claims abstract description 45
- 238000012549 training Methods 0.000 claims description 21
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 description 49
- 238000012545 processing Methods 0.000 description 11
- 238000013459 approach Methods 0.000 description 10
- 230000001413 cellular effect Effects 0.000 description 8
- 230000010267 cellular communication Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 238000013139 quantization Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 1
- 241001168730 Simo Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0238—Channel estimation using blind estimation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03248—Arrangements for operating in conjunction with other apparatus
- H04L25/03292—Arrangements for operating in conjunction with other apparatus with channel estimation circuitry
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L25/03178—Arrangements involving sequence estimation techniques
- H04L25/03305—Joint sequence estimation and interference removal
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002618981A CA2618981A1 (fr) | 2005-08-23 | 2006-08-23 | Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002516910A CA2516910A1 (fr) | 2005-08-23 | 2005-08-23 | Techniques de demodulation conjointe eliminant le brouillage |
| CA2,516,910 | 2005-08-23 | ||
| CA002618981A CA2618981A1 (fr) | 2005-08-23 | 2006-08-23 | Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes |
| PCT/CA2006/001379 WO2007022627A1 (fr) | 2005-08-23 | 2006-08-23 | Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2618981A1 true CA2618981A1 (fr) | 2007-03-01 |
Family
ID=39153772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002618981A Abandoned CA2618981A1 (fr) | 2005-08-23 | 2006-08-23 | Filtre de demodulation commun pour la reduction de brouillage dans le meme canal, et procedes connexes |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2618981A1 (fr) |
-
2006
- 2006-08-23 CA CA002618981A patent/CA2618981A1/fr not_active Abandoned
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |