CN1316754C - Rake接收机 - Google Patents

Rake接收机 Download PDF

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Publication number
CN1316754C
CN1316754C CNB02160522XA CN02160522A CN1316754C CN 1316754 C CN1316754 C CN 1316754C CN B02160522X A CNB02160522X A CN B02160522XA CN 02160522 A CN02160522 A CN 02160522A CN 1316754 C CN1316754 C CN 1316754C
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CN
China
Prior art keywords
signal
dwilsp
estimation
algorithm
time
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
CNB02160522XA
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English (en)
Chinese (zh)
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CN1516353A (zh
Inventor
S·安德森
P·佩尔英
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of CN1516353A publication Critical patent/CN1516353A/zh
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Publication of CN1316754C publication Critical patent/CN1316754C/zh
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Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/025—Channel estimation channel estimation algorithms using least-mean-square [LMS] method
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • H04L25/0328—Arrangements for operating in conjunction with other apparatus with interference cancellation circuitry
    • 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
    • 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
    • H04B2201/7097—Direct sequence modulation interference
    • H04B2201/709727—GRAKE type RAKE receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03401—PSK

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Radio Transmission System (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CNB02160522XA 1997-03-27 1998-03-20 Rake接收机 Expired - Fee Related CN1316754C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/827,169 US5937014A (en) 1997-03-27 1997-03-27 Self-synchronizing equalization techniques and systems
US08/827169 1997-03-27

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CNB988054493A Division CN1211945C (zh) 1997-03-27 1998-03-20 处理由多个天线振子接收的无线电信号的系统和方法

Publications (2)

Publication Number Publication Date
CN1516353A CN1516353A (zh) 2004-07-28
CN1316754C true CN1316754C (zh) 2007-05-16

Family

ID=25248487

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB02160522XA Expired - Fee Related CN1316754C (zh) 1997-03-27 1998-03-20 Rake接收机
CNB988054493A Expired - Fee Related CN1211945C (zh) 1997-03-27 1998-03-20 处理由多个天线振子接收的无线电信号的系统和方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB988054493A Expired - Fee Related CN1211945C (zh) 1997-03-27 1998-03-20 处理由多个天线振子接收的无线电信号的系统和方法

Country Status (9)

Country Link
US (2) US5937014A (enExample)
EP (1) EP0970569B1 (enExample)
JP (1) JP4409634B2 (enExample)
CN (2) CN1316754C (enExample)
AU (1) AU6753798A (enExample)
CA (1) CA2285431C (enExample)
DE (1) DE69835349T2 (enExample)
TW (1) TW386325B (enExample)
WO (1) WO1998044655A2 (enExample)

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Also Published As

Publication number Publication date
WO1998044655A2 (en) 1998-10-08
CN1211945C (zh) 2005-07-20
JP2001517399A (ja) 2001-10-02
AU6753798A (en) 1998-10-22
DE69835349D1 (de) 2006-09-07
TW386325B (en) 2000-04-01
WO1998044655A3 (en) 1999-03-11
EP0970569A2 (en) 2000-01-12
CA2285431A1 (en) 1998-10-08
US6148023A (en) 2000-11-14
CA2285431C (en) 2006-04-11
US5937014A (en) 1999-08-10
CN1257626A (zh) 2000-06-21
CN1516353A (zh) 2004-07-28
EP0970569B1 (en) 2006-07-26
DE69835349T2 (de) 2007-08-23
JP4409634B2 (ja) 2010-02-03

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