DE60038091T2 - Spreizspektrum Signalkombinator - Google Patents

Spreizspektrum Signalkombinator Download PDF

Info

Publication number
DE60038091T2
DE60038091T2 DE60038091T DE60038091T DE60038091T2 DE 60038091 T2 DE60038091 T2 DE 60038091T2 DE 60038091 T DE60038091 T DE 60038091T DE 60038091 T DE60038091 T DE 60038091T DE 60038091 T2 DE60038091 T2 DE 60038091T2
Authority
DE
Germany
Prior art keywords
rake
multipath
memory
component
symbol
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 - Lifetime
Application number
DE60038091T
Other languages
German (de)
English (en)
Other versions
DE60038091D1 (de
Inventor
Alice Wokingham Wilson
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 Inc
Original Assignee
Nokia 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 Nokia Inc filed Critical Nokia Inc
Publication of DE60038091D1 publication Critical patent/DE60038091D1/de
Application granted granted Critical
Publication of DE60038091T2 publication Critical patent/DE60038091T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • H04B1/711Interference-related aspects the interference being multi-path interference
    • H04B1/7115Constructive combining of multi-path signals, i.e. RAKE receivers
    • H04B1/7117Selection, 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)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE60038091T 1999-12-14 2000-12-08 Spreizspektrum Signalkombinator Expired - Lifetime DE60038091T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9929572 1999-12-14
GB9929572A GB2357406B (en) 1999-12-14 1999-12-14 Combiner

Publications (2)

Publication Number Publication Date
DE60038091D1 DE60038091D1 (de) 2008-04-03
DE60038091T2 true DE60038091T2 (de) 2009-02-19

Family

ID=10866313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038091T Expired - Lifetime DE60038091T2 (de) 1999-12-14 2000-12-08 Spreizspektrum Signalkombinator

Country Status (6)

Country Link
US (1) US7245652B2 (enExample)
EP (1) EP1109324B1 (enExample)
JP (1) JP2001223614A (enExample)
AT (1) ATE387038T1 (enExample)
DE (1) DE60038091T2 (enExample)
GB (1) GB2357406B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2357406B (en) * 1999-12-14 2004-01-21 Nokia Mobile Phones Ltd Combiner
US7002934B2 (en) * 2001-01-22 2006-02-21 Unique Broadband Systems, Inc. OFDM multiple upstream receiver network
KR100426622B1 (ko) * 2001-11-16 2004-04-13 한국전자통신연구원 이동국 수신기에서의 다중 경로 신호 컴바이닝 장치 및 그방법
US7522655B2 (en) 2002-09-09 2009-04-21 Infineon Technologies Ag Method and device for carrying out a plurality of correlation procedures in a mobile telephony environment
DE10241691A1 (de) * 2002-09-09 2004-03-25 Infineon Technologies Ag Einrichtung und Verfahren zur Durchführung von Korrelationen in einem Mobilfunksystem
AU2002352021A1 (en) * 2002-11-15 2004-06-15 Stmicroelectronics S.R.L. Memory based device and method for channel estimation in a digital communication receiver
US7689739B2 (en) * 2005-07-11 2010-03-30 Via Technologies, Inc. Spread spectrum receiver, apparatus and method of a circular buffer for multirate data
US20080298436A1 (en) * 2007-05-28 2008-12-04 Telefonaktiebolaget L M Ericsson (Publ) Random Access Collision Detection
US8340160B2 (en) * 2008-02-28 2012-12-25 Nokia Corporation Dynamic combining threshold for a rake receiver
EP2645299B1 (de) * 2012-03-29 2016-10-19 Siemens Aktiengesellschaft Lesegerät zum Datenaustausch mit einem mobilen Datenspeicher

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2295527B (en) * 1994-11-26 1999-03-17 Roke Manor Research Rake combiner/despreader apparatus
US5910950A (en) * 1996-08-16 1999-06-08 Lucent Technologies Inc. Demodulator phase correction for code division multiple access receiver
JP3447897B2 (ja) * 1996-08-20 2003-09-16 松下電器産業株式会社 Cdma無線通信装置
JPH10190528A (ja) * 1996-12-25 1998-07-21 Matsushita Electric Ind Co Ltd スペクトル拡散受信機
JPH10200444A (ja) * 1997-01-06 1998-07-31 Sony Corp 受信装置、受信方法、無線システムの端末装置
JPH10209919A (ja) * 1997-01-21 1998-08-07 Sony Corp 受信装置及び受信方法、並びに携帯電話システムの端末装置
JPH10303855A (ja) * 1997-04-25 1998-11-13 Matsushita Electric Ind Co Ltd データ受信装置
JP3283210B2 (ja) * 1997-05-30 2002-05-20 株式会社鷹山 スペクトラム拡散通信方式における信号受信装置
US5931893A (en) * 1997-11-11 1999-08-03 Ericsson, Inc. Efficient correlation over a sliding window
JP3952335B2 (ja) * 1998-03-10 2007-08-01 ソニー株式会社 受信方法及び受信装置
US6038271A (en) * 1999-03-02 2000-03-14 Harris Corporation Correlator with cascade data paths to facilitate expansion of correlator length
EP1107471B1 (en) * 1999-12-10 2006-03-08 Lucent Technologies Inc. Time division multiplexed rake finger for W-CDMA
GB2357406B (en) * 1999-12-14 2004-01-21 Nokia Mobile Phones Ltd Combiner

Also Published As

Publication number Publication date
ATE387038T1 (de) 2008-03-15
EP1109324A2 (en) 2001-06-20
GB2357406A (en) 2001-06-20
EP1109324B1 (en) 2008-02-20
US7245652B2 (en) 2007-07-17
DE60038091D1 (de) 2008-04-03
GB9929572D0 (en) 2000-02-09
GB2357406B (en) 2004-01-21
JP2001223614A (ja) 2001-08-17
EP1109324A3 (en) 2003-01-22
US20010004379A1 (en) 2001-06-21

Similar Documents

Publication Publication Date Title
DE60122848T2 (de) Angepasstes Filter und Korrelationsdetektionsverfahren
DE69716109T2 (de) Entspreizung von mit direkt sequenzen gespreizten kommunikationssignalen
DE69333819T2 (de) RAKE-Empfänger mit selektiver Kombination von Signalstrahlen
DE69920297T2 (de) CDMA-Mehrbenutzerempfänger mit Kombinierter Array-Antenne und Mehrbenutzer-Interferenz-Kompensatoren
DE69327988T2 (de) Phasendifferenzkorrekturdemodulator eines Spreizspektrumkommunikationsempfängers und Demodulationsverfahren
DE60037541T2 (de) Vorrichtung und Verfahren zur Erzeugung von Verschlüsselungskodes in einem UMTS Mobil-Nachrichtenübertragungssystem
DE19982026B4 (de) Verfahren zum Empfang von Spreizspektrumsignalen
DE69831169T2 (de) Schnell dekorrelierende spreizsequenzen für ds-cdma sendeempfänger
DE69826365T2 (de) Empfangsgerät für CDMA Nachrichtenübertragungssystem
DE10196478B3 (de) Eine Familie linearer Mehrnutzer-Detektoren (MUDs)
DE69934105T2 (de) Amplitudenbegrenzung in einem CDMA System
EP1216516B1 (de) Verfahren und vorrichtung zum erzeugen von spreizcodierten signalen
DE19615257A1 (de) CDMA-Rake-Empfänger mit einer Sub-Chip-Auflösung
DE60019469T2 (de) Effizienter spreizer für spreizspektrum-übertragungssysteme
DE60038091T2 (de) Spreizspektrum Signalkombinator
DE60035028T2 (de) Spreizspektrumkommunikationsgerät
DE60131362T2 (de) Nachführung eines mehrweg-aufgelösten signals in einem rake-empfänger
DE60108423T2 (de) Amplitudenbegrenzung
DE102011082036B4 (de) Übertragen eines Signals von einem Leistungsverstärker
DE20305080U1 (de) Basisstation-Sendeverarbeitungsfunktionen unter der Verwendung eines Empfängers
DE60027180T2 (de) Korrelator
DE60207773T2 (de) Entzerrung mit globaler minimierung des mittleren quadratischen Fehlers
DE69616112T2 (de) Zellulares Kodevielfachzugriffsmobilfunksystem
DE60206990T2 (de) Entzerrung mit globaler minimierung des mittleren quadratischen Fehlers
DE60037153T2 (de) CDMA Mehrwegempfänger

Legal Events

Date Code Title Description
8364 No opposition during term of opposition