WO2002027956A3 - Procede et systeme d'evaluation de la correction du decalage de frequence et de la rotation de phase dans des systemes cdma - Google Patents
Procede et systeme d'evaluation de la correction du decalage de frequence et de la rotation de phase dans des systemes cdma Download PDFInfo
- Publication number
- WO2002027956A3 WO2002027956A3 PCT/CA2001/001247 CA0101247W WO0227956A3 WO 2002027956 A3 WO2002027956 A3 WO 2002027956A3 CA 0101247 W CA0101247 W CA 0101247W WO 0227956 A3 WO0227956 A3 WO 0227956A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frequency offset
- correlation
- phase rotation
- function
- rotation correction
- Prior art date
Links
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
- H04B1/7073—Synchronisation aspects
- H04B1/7087—Carrier synchronisation aspects
-
- 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
- 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
- H04B1/712—Weighting of fingers for combining, e.g. amplitude control or phase rotation using an inner loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2001287452A AU2001287452A1 (en) | 2000-09-28 | 2001-09-07 | Method and system for estimating frequency offset and phase rotation correction in cdma systems |
EP01966908A EP1325564A2 (fr) | 2000-09-28 | 2001-09-07 | Procede et systeme d'evaluation de la correction du decalage de frequence et de la rotation de phase dans des systemes cdma |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67125400A | 2000-09-28 | 2000-09-28 | |
US09/671,254 | 2000-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2002027956A2 WO2002027956A2 (fr) | 2002-04-04 |
WO2002027956A3 true WO2002027956A3 (fr) | 2002-10-03 |
Family
ID=24693747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CA2001/001247 WO2002027956A2 (fr) | 2000-09-28 | 2001-09-07 | Procede et systeme d'evaluation de la correction du decalage de frequence et de la rotation de phase dans des systemes cdma |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1325564A2 (fr) |
AU (1) | AU2001287452A1 (fr) |
WO (1) | WO2002027956A2 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8331492B2 (en) * | 2002-07-04 | 2012-12-11 | Intel Mobile Communications GmbH | Device and method for determining the deviation of the carrier frequency of a mobile radio device from the carrier frequency of a base station |
US8457178B2 (en) * | 2007-03-26 | 2013-06-04 | Qualcomm Incorporated | Frequency offset estimator |
CN111935050B (zh) * | 2020-06-17 | 2022-07-05 | 中国船舶重工集团公司第七一五研究所 | 一种基于相位搜索的单载波频域均衡水声通信系统残余相偏修正方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5361276A (en) * | 1993-09-13 | 1994-11-01 | At&T Bell Laboratories | All digital maximum likelihood based spread spectrum receiver |
US5659573A (en) * | 1994-10-04 | 1997-08-19 | Motorola, Inc. | Method and apparatus for coherent reception in a spread-spectrum receiver |
-
2001
- 2001-09-07 AU AU2001287452A patent/AU2001287452A1/en not_active Abandoned
- 2001-09-07 WO PCT/CA2001/001247 patent/WO2002027956A2/fr not_active Application Discontinuation
- 2001-09-07 EP EP01966908A patent/EP1325564A2/fr not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5361276A (en) * | 1993-09-13 | 1994-11-01 | At&T Bell Laboratories | All digital maximum likelihood based spread spectrum receiver |
US5659573A (en) * | 1994-10-04 | 1997-08-19 | Motorola, Inc. | Method and apparatus for coherent reception in a spread-spectrum receiver |
Also Published As
Publication number | Publication date |
---|---|
AU2001287452A1 (en) | 2002-04-08 |
EP1325564A2 (fr) | 2003-07-09 |
WO2002027956A2 (fr) | 2002-04-04 |
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