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 systems

Info

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
Application number
AU2001287452A
Other languages
English (en)
Inventor
Xixian Chen
Mohamed El-Tarhuni
Runbo Fu
Xin Jin
Neil Mcgowan
Jeffrey Stanier
Wen Zhao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nortel Networks Ltd
Original Assignee
Nortel Networks Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of AU2001287452A1 publication Critical patent/AU2001287452A1/en
Abandoned legal-status Critical Current

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)
AU2001287452A 2000-09-28 2001-09-07 Method and system for estimating frequency offset and phase rotation correction in cdma systems Abandoned AU2001287452A1 (en)

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)

* Cited by examiner, † Cited by third party
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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
EP1325564A2 (fr) 2003-07-09
WO2002027956A2 (fr) 2002-04-04
WO2002027956A3 (fr) 2002-10-03

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