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GB2401004B - Rake receiver - Google Patents

Rake receiver

Info

Publication number
GB2401004B
GB2401004B GB0309094A GB0309094A GB2401004B GB 2401004 B GB2401004 B GB 2401004B GB 0309094 A GB0309094 A GB 0309094A GB 0309094 A GB0309094 A GB 0309094A GB 2401004 B GB2401004 B GB 2401004B
Authority
GB
United Kingdom
Prior art keywords
rake receiver
rake
receiver
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
GB0309094A
Other versions
GB0309094D0 (en
GB2401004A (en
Inventor
Yuk Ching Chow
Yan Qing Bian
Michael Philip Fitton
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe 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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0309094A priority Critical patent/GB2401004B/en
Publication of GB0309094D0 publication Critical patent/GB0309094D0/en
Publication of GB2401004A publication Critical patent/GB2401004A/en
Application granted granted Critical
Publication of GB2401004B publication Critical patent/GB2401004B/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
    • H04B1/711—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
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R3/00—Apparatus or processes specially adapted for the manufacture or maintenance of measuring instruments, e.g. of probe tips
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H04B1/126—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means having multiple inputs, e.g. auxiliary antenna for receiving interfering signal
    • H04B17/0042—
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • Noise Elimination (AREA)
GB0309094A 2003-04-22 2003-04-22 Rake receiver Expired - Fee Related GB2401004B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0309094A GB2401004B (en) 2003-04-22 2003-04-22 Rake receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0309094A GB2401004B (en) 2003-04-22 2003-04-22 Rake receiver

Publications (3)

Publication Number Publication Date
GB0309094D0 GB0309094D0 (en) 2003-05-28
GB2401004A GB2401004A (en) 2004-10-27
GB2401004B true GB2401004B (en) 2007-01-17

Family

ID=9957083

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0309094A Expired - Fee Related GB2401004B (en) 2003-04-22 2003-04-22 Rake receiver

Country Status (1)

Country Link
GB (1) GB2401004B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7711033B2 (en) 2005-04-14 2010-05-04 Telefonaktiebolaget Lm Ericsson (Publ) SIR prediction method and apparatus
US7738535B2 (en) 2007-05-22 2010-06-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for removing pilot channel amplitude dependencies from RAKE receiver output
US20160119804A1 (en) * 2014-10-28 2016-04-28 Qualcomm Incorporated Adaptive control channel detection in wireless communications

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000052845A1 (en) * 1999-03-05 2000-09-08 The Board Of Trustrees, Leland Stanford Junior University Iterative multi-user detection
WO2000069090A1 (en) * 1999-05-11 2000-11-16 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
US20010017883A1 (en) * 1999-11-26 2001-08-30 Nokia Networks Oy Rake receiver
US6445757B1 (en) * 1996-08-15 2002-09-03 Nokia Telecommunications Oy Diversity combining method, and receiver
GB2374257A (en) * 2001-04-03 2002-10-09 Ubinetics Ltd Apparatus and Method of Providing a Weighting Factor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6445757B1 (en) * 1996-08-15 2002-09-03 Nokia Telecommunications Oy Diversity combining method, and receiver
WO2000052845A1 (en) * 1999-03-05 2000-09-08 The Board Of Trustrees, Leland Stanford Junior University Iterative multi-user detection
WO2000069090A1 (en) * 1999-05-11 2000-11-16 Qualcomm Incorporated System and method for providing an accurate estimation of received signal interference for use in wireless communications systems
US20010017883A1 (en) * 1999-11-26 2001-08-30 Nokia Networks Oy Rake receiver
GB2374257A (en) * 2001-04-03 2002-10-09 Ubinetics Ltd Apparatus and Method of Providing a Weighting Factor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
English Abstract of JP10215211 A; Accession number 1998-492011[42] *
English abstract of JP200252894 A; Accession number 2000-623845[60] *

Also Published As

Publication number Publication date
GB0309094D0 (en) 2003-05-28
GB2401004A (en) 2004-10-27

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Legal Events

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

Effective date: 20140422