GB2375464B - Method and device for multi-user detection in CDMA channels - Google Patents

Method and device for multi-user detection in CDMA channels

Info

Publication number
GB2375464B
GB2375464B GB0111527A GB0111527A GB2375464B GB 2375464 B GB2375464 B GB 2375464B GB 0111527 A GB0111527 A GB 0111527A GB 0111527 A GB0111527 A GB 0111527A GB 2375464 B GB2375464 B GB 2375464B
Authority
GB
United Kingdom
Prior art keywords
user detection
cdma channels
cdma
channels
detection
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.)
Expired - Fee Related
Application number
GB0111527A
Other versions
GB0111527D0 (en
GB2375464A (en
Inventor
Amir Chass
Gideon Kutz
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Priority to GB0111527A priority Critical patent/GB2375464B/en
Publication of GB0111527D0 publication Critical patent/GB0111527D0/en
Publication of GB2375464A publication Critical patent/GB2375464A/en
Application granted granted Critical
Publication of GB2375464B publication Critical patent/GB2375464B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7107—Subtractive interference cancellation
    • H04B1/71072—Successive 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
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H04B1/7105—Joint detection techniques, e.g. linear detectors
GB0111527A 2001-05-11 2001-05-11 Method and device for multi-user detection in CDMA channels Expired - Fee Related GB2375464B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0111527A GB2375464B (en) 2001-05-11 2001-05-11 Method and device for multi-user detection in CDMA channels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0111527A GB2375464B (en) 2001-05-11 2001-05-11 Method and device for multi-user detection in CDMA channels

Publications (3)

Publication Number Publication Date
GB0111527D0 GB0111527D0 (en) 2001-07-04
GB2375464A GB2375464A (en) 2002-11-13
GB2375464B true GB2375464B (en) 2003-05-28

Family

ID=9914445

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0111527A Expired - Fee Related GB2375464B (en) 2001-05-11 2001-05-11 Method and device for multi-user detection in CDMA channels

Country Status (1)

Country Link
GB (1) GB2375464B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0307471D0 (en) 2003-04-01 2003-05-07 Qinetiq Ltd Signal Processing apparatus and method
CN100433603C (en) * 2003-06-24 2008-11-12 华为技术有限公司 A multi-user detecting method in CDMA communication system
CN100365943C (en) * 2004-07-14 2008-01-30 凯明信息科技股份有限公司 Multiple user detecting method for CDMA communiation system using pre condition conjugate gradient method
GB2418327A (en) * 2004-09-17 2006-03-22 Toshiba Res Europ Ltd Common channel interference cancellation in a CDMA system
GB0505354D0 (en) * 2005-03-16 2005-04-20 Univ Aston Inference method and apparatus
CN101553995B (en) * 2006-09-29 2012-07-25 联发科技股份有限公司 Fixed-point implementation of a joint detector
US7916841B2 (en) * 2006-09-29 2011-03-29 Mediatek Inc. Method and apparatus for joint detection
US7924948B2 (en) * 2006-09-29 2011-04-12 Mediatek Inc. Pre-scaling of initial channel estimates in joint detection

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717505A2 (en) * 1994-12-13 1996-06-19 Ntt Mobile Communications Network Inc. CDMA multiuser receiver and method
EP0971485A1 (en) * 1998-07-08 2000-01-12 Siemens Aktiengesellschaft Multiuser detection in CDMA using a correlation matrix
US6182270B1 (en) * 1996-12-04 2001-01-30 Lucent Technologies Inc. Low-displacement rank preconditioners for simplified non-linear analysis of circuits and other devices

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0717505A2 (en) * 1994-12-13 1996-06-19 Ntt Mobile Communications Network Inc. CDMA multiuser receiver and method
US6182270B1 (en) * 1996-12-04 2001-01-30 Lucent Technologies Inc. Low-displacement rank preconditioners for simplified non-linear analysis of circuits and other devices
EP0971485A1 (en) * 1998-07-08 2000-01-12 Siemens Aktiengesellschaft Multiuser detection in CDMA using a correlation matrix

Also Published As

Publication number Publication date
GB0111527D0 (en) 2001-07-04
GB2375464A (en) 2002-11-13

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090511