NO334966B1 - Fremgangsmåte og anordning for multibruker interferenskansellering. - Google Patents
Fremgangsmåte og anordning for multibruker interferenskansellering. Download PDFInfo
- Publication number
- NO334966B1 NO334966B1 NO20053188A NO20053188A NO334966B1 NO 334966 B1 NO334966 B1 NO 334966B1 NO 20053188 A NO20053188 A NO 20053188A NO 20053188 A NO20053188 A NO 20053188A NO 334966 B1 NO334966 B1 NO 334966B1
- Authority
- NO
- Norway
- Prior art keywords
- signal
- value
- pilot
- channel
- determined
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 80
- 238000005562 fading Methods 0.000 claims abstract description 21
- 230000007480 spreading Effects 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims description 11
- 230000021615 conjugation Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 26
- 230000008030 elimination Effects 0.000 description 39
- 238000003379 elimination reaction Methods 0.000 description 39
- 238000005516 engineering process Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 12
- 238000011084 recovery Methods 0.000 description 9
- 239000011159 matrix material Substances 0.000 description 8
- 230000033228 biological regulation Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000001934 delay Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/7103—Interference-related aspects the interference being multiple access interference
- H04B1/7107—Subtractive interference cancellation
- H04B1/71075—Parallel interference cancellation
-
- 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
- H04B1/7097—Interference-related aspects
- H04B1/711—Interference-related aspects the interference being multi-path interference
- H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
- H04B1/7117—Selection, re-selection, allocation or re-allocation of paths to fingers, e.g. timing offset control of allocated fingers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2002/000859 WO2004052036A1 (fr) | 2002-11-29 | 2002-11-29 | Procede et unite d'elimination d'interferences mulit-utilisateur |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20053188D0 NO20053188D0 (no) | 2005-06-29 |
| NO20053188L NO20053188L (no) | 2005-08-29 |
| NO334966B1 true NO334966B1 (no) | 2014-08-11 |
Family
ID=32400060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20053188A NO334966B1 (no) | 2002-11-29 | 2005-06-29 | Fremgangsmåte og anordning for multibruker interferenskansellering. |
Country Status (5)
| Country | Link |
|---|---|
| CN (1) | CN100409707C (zh) |
| AU (1) | AU2002349470A1 (zh) |
| NO (1) | NO334966B1 (zh) |
| SE (1) | SE527387C2 (zh) |
| WO (1) | WO2004052036A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453278B (zh) * | 2007-11-30 | 2013-03-27 | 中兴通讯股份有限公司 | 基于虚拟资源单元的多用户干扰消除方法及装置 |
| CN104348517B (zh) * | 2013-07-25 | 2018-01-09 | 日电（中国）有限公司 | 一种抵消多址干扰的方法及装置 |
| CN107749771B (zh) * | 2017-09-18 | 2019-11-12 | 哈尔滨工程大学 | 一种基于似然反馈的并行干扰消除算法 |
| CN107592183A (zh) * | 2017-09-19 | 2018-01-16 | 北京邮电大学 | 一种应用于非正交多址系统的多用户信号检测方法及装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6067454A (en) * | 1998-04-14 | 2000-05-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Mobile switching center restart recovery procedure |
| JP2970656B1 (ja) * | 1998-06-25 | 1999-11-02 | 日本電気株式会社 | Ｄｓ−ｃｄｍａマルチユーザ干渉キャンセラ |
| JP3121319B2 (ja) * | 1998-12-17 | 2000-12-25 | 日本電気株式会社 | Ｄｓ−ｃｄｍａマルチユーザ干渉キャンセラとそのシステム |
-
2002
- 2002-11-29 WO PCT/CN2002/000859 patent/WO2004052036A1/zh not_active Application Discontinuation
- 2002-11-29 CN CNB028297202A patent/CN100409707C/zh not_active Expired - Fee Related
- 2002-11-29 AU AU2002349470A patent/AU2002349470A1/en not_active Abandoned
-
2005
- 2005-05-26 SE SE0501186A patent/SE527387C2/sv unknown
- 2005-06-29 NO NO20053188A patent/NO334966B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU2002349470A1 (en) | 2004-06-23 |
| SE0501186L (sv) | 2005-07-04 |
| CN1685750A (zh) | 2005-10-19 |
| NO20053188L (no) | 2005-08-29 |
| WO2004052036A1 (fr) | 2004-06-17 |
| CN100409707C (zh) | 2008-08-06 |
| NO20053188D0 (no) | 2005-06-29 |
| SE527387C2 (sv) | 2006-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |