AU2001287452A1 - Method and system for estimating frequency offset and phase rotation correction in cdma systems - Google Patents
Method and system for estimating frequency offset and phase rotation correction in cdma systemsInfo
- Publication number
- AU2001287452A1 AU2001287452A1 AU2001287452A AU8745201A AU2001287452A1 AU 2001287452 A1 AU2001287452 A1 AU 2001287452A1 AU 2001287452 A AU2001287452 A AU 2001287452A AU 8745201 A AU8745201 A AU 8745201A AU 2001287452 A1 AU2001287452 A1 AU 2001287452A1
- Authority
- AU
- Australia
- Prior art keywords
- frequency offset
- phase rotation
- rotation correction
- cdma systems
- estimating 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.)
- Abandoned
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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67125400A | 2000-09-28 | 2000-09-28 | |
US09/671,254 | 2000-09-28 | ||
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 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2001287452A1 true AU2001287452A1 (en) | 2002-04-08 |
Family
ID=24693747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2001287452A Abandoned AU2001287452A1 (en) | 2000-09-28 | 2001-09-07 | Method and system for estimating frequency offset and phase rotation correction in cdma systems |
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***残余相偏修正方法 |
Family Cites Families (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 EP EP01966908A patent/EP1325564A2/fr not_active Withdrawn
- 2001-09-07 WO PCT/CA2001/001247 patent/WO2002027956A2/fr not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
WO2002027956A3 (fr) | 2002-10-03 |
WO2002027956A2 (fr) | 2002-04-04 |
EP1325564A2 (fr) | 2003-07-09 |
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