CN1211945C - 处理由多个天线振子接收的无线电信号的系统和方法 - Google Patents

处理由多个天线振子接收的无线电信号的系统和方法 Download PDF

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Publication number
CN1211945C
CN1211945C CNB988054493A CN98805449A CN1211945C CN 1211945 C CN1211945 C CN 1211945C CN B988054493 A CNB988054493 A CN B988054493A CN 98805449 A CN98805449 A CN 98805449A CN 1211945 C CN1211945 C CN 1211945C
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China
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signal
sampling
dwilsp
estimate
channel
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Expired - Fee Related
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CNB988054493A
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English (en)
Chinese (zh)
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CN1257626A (zh
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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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    • 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)
CNB988054493A 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 Expired - Fee Related CN1211945C (zh)

Applications Claiming Priority (2)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CNB02160522XA Division CN1316754C (zh) 1997-03-27 1998-03-20 Rake接收机

Publications (2)

Publication Number Publication Date
CN1257626A CN1257626A (zh) 2000-06-21
CN1211945C true CN1211945C (zh) 2005-07-20

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Family Applications (2)

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
CNB02160522XA Expired - Fee Related CN1316754C (zh) 1997-03-27 1998-03-20 Rake接收机

Family Applications After (1)

Application Number Title Priority Date Filing Date
CNB02160522XA Expired - Fee Related CN1316754C (zh) 1997-03-27 1998-03-20 Rake接收机

Country Status (9)

Country Link
US (2) US5937014A (https=)
EP (1) EP0970569B1 (https=)
JP (1) JP4409634B2 (https=)
CN (2) CN1211945C (https=)
AU (1) AU6753798A (https=)
CA (1) CA2285431C (https=)
DE (1) DE69835349T2 (https=)
TW (1) TW386325B (https=)
WO (1) WO1998044655A2 (https=)

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Also Published As

Publication number Publication date
CA2285431A1 (en) 1998-10-08
JP2001517399A (ja) 2001-10-02
WO1998044655A2 (en) 1998-10-08
WO1998044655A3 (en) 1999-03-11
US6148023A (en) 2000-11-14
EP0970569B1 (en) 2006-07-26
CN1316754C (zh) 2007-05-16
CA2285431C (en) 2006-04-11
AU6753798A (en) 1998-10-22
EP0970569A2 (en) 2000-01-12
US5937014A (en) 1999-08-10
TW386325B (en) 2000-04-01
JP4409634B2 (ja) 2010-02-03
CN1516353A (zh) 2004-07-28
DE69835349D1 (de) 2006-09-07
CN1257626A (zh) 2000-06-21
DE69835349T2 (de) 2007-08-23

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