DE69940054D1 - Empfangsverfahren und Empfänger - Google Patents

Empfangsverfahren und Empfänger

Info

Publication number
DE69940054D1
DE69940054D1 DE69940054T DE69940054T DE69940054D1 DE 69940054 D1 DE69940054 D1 DE 69940054D1 DE 69940054 T DE69940054 T DE 69940054T DE 69940054 T DE69940054 T DE 69940054T DE 69940054 D1 DE69940054 D1 DE 69940054D1
Authority
DE
Germany
Prior art keywords
receiver
delay
distribution device
signal
propagation delay
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
DE69940054T
Other languages
English (en)
Inventor
Marko Heinilae
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.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Nokia Oyj filed Critical Nokia Oyj
Application granted granted Critical
Publication of DE69940054D1 publication Critical patent/DE69940054D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0874—Hybrid systems, i.e. switching and combining using subgroups of receive antennas
    • 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
    • H04B1/7113—Determination of path profile
    • 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
    • H04B7/0891—Space-time diversity
    • 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
    • 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]

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Circuits Of Receivers In General (AREA)
  • Burglar Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Prostheses (AREA)
  • External Artificial Organs (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
DE69940054T 1998-12-31 1999-12-28 Empfangsverfahren und Empfänger Expired - Fee Related DE69940054D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI982856A FI982856A (fi) 1998-12-31 1998-12-31 Vastaanottomenetelmä ja vastaanotin
PCT/FI1999/001084 WO2000041327A2 (en) 1998-12-31 1999-12-28 Reception method and receiver

Publications (1)

Publication Number Publication Date
DE69940054D1 true DE69940054D1 (de) 2009-01-22

Family

ID=8553246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69940054T Expired - Fee Related DE69940054D1 (de) 1998-12-31 1999-12-28 Empfangsverfahren und Empfänger

Country Status (9)

Country Link
US (1) US6757345B1 (de)
EP (1) EP1066689B1 (de)
CN (1) CN1134906C (de)
AT (1) ATE417411T1 (de)
AU (1) AU3048300A (de)
DE (1) DE69940054D1 (de)
FI (1) FI982856A (de)
NO (1) NO20004314L (de)
WO (1) WO2000041327A2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI113921B (fi) * 2000-10-30 2004-06-30 Nokia Corp Vastaanotin, vastaanottomenetelmä, tietokoneohjelma ja tietokoneen muistiväline
DE60032906T2 (de) * 2000-11-07 2007-10-25 Stmicroelectronics N.V. Verfahren und Vorrichtung zur Kanalschätzung, insbesondere für ein Mobiltelefon
US7778312B2 (en) * 2000-12-22 2010-08-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for selecting demodulation processing delays in a receiver
FI20012475A0 (fi) * 2001-12-14 2001-12-14 Nokia Corp Tiedonsiirtomenetelmä ja vastaanotin
GB0219213D0 (en) * 2002-08-16 2002-09-25 Koninkl Philips Electronics Nv Improvements in or relating to wireless radio receivers
WO2004017534A1 (en) * 2002-08-19 2004-02-26 Nokia Corporation Rake receiver
US7460583B2 (en) * 2003-12-15 2008-12-02 Telefonaktiebolaget Lm Ericsson (Publ) Method for path searching and verification
US9542642B2 (en) * 2006-04-06 2017-01-10 Samuel F. Wood Packet data neural network system and method
WO2008044090A1 (en) * 2006-10-13 2008-04-17 Nokia Corporation Apparatus and method for correlation in a gps receiver
CN102484495B (zh) * 2009-08-13 2015-05-20 索尼公司 电子设备、信号传输装置和信号传输方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994028640A1 (en) 1993-06-02 1994-12-08 Roke Manor Research Limited Rake receiver combining all the useful multipath components of a spread spectrum signal
GB2291567B (en) * 1994-07-01 1999-02-24 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
MY120873A (en) * 1994-09-30 2005-12-30 Qualcomm Inc Multipath search processor for a spread spectrum multiple access communication system
US5574747A (en) * 1995-01-04 1996-11-12 Interdigital Technology Corporation Spread spectrum adaptive power control system and method
JP2705623B2 (ja) * 1995-03-22 1998-01-28 日本電気株式会社 ダイバーシチ送受信方法及び送受信機
FR2737362B1 (fr) 1995-07-25 1997-10-10 Matra Communication Procede de selection des retards de propagation retenus pour recevoir des messages transmis par radiocommunication a etalement de spectre
JPH0974372A (ja) * 1995-09-04 1997-03-18 Matsushita Electric Ind Co Ltd スペクトラム拡散無線伝送受信装置
JP2820918B2 (ja) * 1996-03-08 1998-11-05 株式会社ワイ・アール・ピー移動通信基盤技術研究所 スペクトル拡散通信装置
JP3310160B2 (ja) * 1996-03-29 2002-07-29 松下電器産業株式会社 スペクトラム拡散方式受信装置
JPH10173630A (ja) * 1996-12-13 1998-06-26 Nec Corp Ｃｄｍａチップ同期回路
JPH10190528A (ja) 1996-12-25 1998-07-21 Matsushita Electric Ind Co Ltd スペクトル拡散受信機
US5917851A (en) * 1996-12-30 1999-06-29 Nokia Telecommunications Oy Method for allocating rake branches and rake receiver
JP2853705B2 (ja) * 1997-05-07 1999-02-03 日本電気株式会社 スペクトラム拡散通信受信機
JP2856198B2 (ja) * 1997-06-11 1999-02-10 日本電気株式会社 スペクトラム拡散受信機
JP3159378B2 (ja) * 1997-08-13 2001-04-23 日本電気株式会社 スペクトル拡散通信方式
US6373882B1 (en) * 1998-11-06 2002-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Motion estimator for a CDMA mobile station

Also Published As

Publication number Publication date
WO2000041327A2 (en) 2000-07-13
NO20004314D0 (no) 2000-08-30
NO20004314L (no) 2000-08-30
US6757345B1 (en) 2004-06-29
CN1134906C (zh) 2004-01-14
FI982856A0 (fi) 1998-12-31
EP1066689A2 (de) 2001-01-10
ATE417411T1 (de) 2008-12-15
AU3048300A (en) 2000-07-24
FI982856A (fi) 2000-07-01
CN1292173A (zh) 2001-04-18
EP1066689B1 (de) 2008-12-10
WO2000041327A3 (en) 2000-09-21

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee