PT1201042E - Cancelamento de interferencia em sistemas com multiplo acesso cdma utilizando estimacao de sinal - Google Patents

Cancelamento de interferencia em sistemas com multiplo acesso cdma utilizando estimacao de sinal

Info

Publication number
PT1201042E
PT1201042E PT00948765T PT00948765T PT1201042E PT 1201042 E PT1201042 E PT 1201042E PT 00948765 T PT00948765 T PT 00948765T PT 00948765 T PT00948765 T PT 00948765T PT 1201042 E PT1201042 E PT 1201042E
Authority
PT
Portugal
Prior art keywords
replica
interference
cancellation
signal
strongest signal
Prior art date
Application number
PT00948765T
Other languages
English (en)
Inventor
Jack Holtzman
Dilip G Warrier
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of PT1201042E publication Critical patent/PT1201042E/pt

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
    • 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
    • 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
    • H04B1/7107—Subtractive interference cancellation
    • H04B2001/71077—Partial interference cancellation
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
PT00948765T 1999-07-19 2000-07-18 Cancelamento de interferencia em sistemas com multiplo acesso cdma utilizando estimacao de sinal PT1201042E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/356,610 US6404760B1 (en) 1999-07-19 1999-07-19 CDMA multiple access interference cancellation using signal estimation

Publications (1)

Publication Number Publication Date
PT1201042E true PT1201042E (pt) 2005-06-30

Family

ID=23402181

Family Applications (1)

Application Number Title Priority Date Filing Date
PT00948765T PT1201042E (pt) 1999-07-19 2000-07-18 Cancelamento de interferencia em sistemas com multiplo acesso cdma utilizando estimacao de sinal

Country Status (15)

Country Link
US (1) US6404760B1 (pt)
EP (3) EP2224604B1 (pt)
JP (1) JP4668490B2 (pt)
KR (1) KR100784739B1 (pt)
CN (1) CN1182659C (pt)
AT (1) ATE293308T1 (pt)
AU (1) AU6221700A (pt)
BR (1) BR0012541A (pt)
CY (1) CY1107676T1 (pt)
DE (1) DE60019429T2 (pt)
DK (1) DK1201042T3 (pt)
ES (1) ES2241627T3 (pt)
HK (1) HK1047832B (pt)
PT (1) PT1201042E (pt)
WO (1) WO2001006664A2 (pt)

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Also Published As

Publication number Publication date
KR20020011457A (ko) 2002-02-08
EP2224604A1 (en) 2010-09-01
ES2241627T3 (es) 2005-11-01
EP1432134A3 (en) 2009-04-15
EP2224604B1 (en) 2013-08-21
EP1432134A2 (en) 2004-06-23
EP1432134B1 (en) 2013-06-19
AU6221700A (en) 2001-02-05
CN1375131A (zh) 2002-10-16
CY1107676T1 (el) 2013-04-18
DE60019429T2 (de) 2006-03-09
KR100784739B1 (ko) 2007-12-13
JP2003505915A (ja) 2003-02-12
DK1201042T3 (da) 2005-06-20
WO2001006664A2 (en) 2001-01-25
US6404760B1 (en) 2002-06-11
WO2001006664A3 (en) 2001-05-17
HK1047832B (zh) 2005-07-29
ATE293308T1 (de) 2005-04-15
JP4668490B2 (ja) 2011-04-13
HK1047832A1 (en) 2003-03-07
EP1201042B1 (en) 2005-04-13
BR0012541A (pt) 2002-11-26
CN1182659C (zh) 2004-12-29
EP1201042A2 (en) 2002-05-02
DE60019429D1 (de) 2005-05-19

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