FI923388A - Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa - Google Patents

Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa Download PDF

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Publication number
FI923388A
FI923388A FI923388A FI923388A FI923388A FI 923388 A FI923388 A FI 923388A FI 923388 A FI923388 A FI 923388A FI 923388 A FI923388 A FI 923388A FI 923388 A FI923388 A FI 923388A
Authority
FI
Finland
Prior art keywords
receivers
interference
coupling
reduce
side effects
Prior art date
Application number
FI923388A
Other languages
English (en)
Swedish (sv)
Other versions
FI923388A0 (fi
FI93068B (fi
FI93068C (fi
Inventor
Pentti Leppaenen
Jari Iinatti
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI923388A priority Critical patent/FI93068C/fi
Publication of FI923388A0 publication Critical patent/FI923388A0/fi
Priority to EP93305141A priority patent/EP0584912B1/en
Priority to DE69324863T priority patent/DE69324863T2/de
Priority to US08/092,239 priority patent/US5426670A/en
Priority to JP5183949A priority patent/JPH06188766A/ja
Publication of FI923388A publication Critical patent/FI923388A/fi
Publication of FI93068B publication Critical patent/FI93068B/fi
Application granted granted Critical
Publication of FI93068C publication Critical patent/FI93068C/fi

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
    • H04B1/709—Correlator structure
    • H04B1/7093—Matched filter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
FI923388A 1992-07-27 1992-07-27 Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa FI93068C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI923388A FI93068C (fi) 1992-07-27 1992-07-27 Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa
EP93305141A EP0584912B1 (en) 1992-07-27 1993-06-30 Receiver using a matched filter and a median filter
DE69324863T DE69324863T2 (de) 1992-07-27 1993-06-30 Empfänger mit Verwendung eines angepassten Filters und eines Mittelwertfilters
US08/092,239 US5426670A (en) 1992-07-27 1993-07-15 Interference compensating circuit including a matched filter followed by a median filter
JP5183949A JPH06188766A (ja) 1992-07-27 1993-07-26 回路装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI923388 1992-07-27
FI923388A FI93068C (fi) 1992-07-27 1992-07-27 Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa

Publications (4)

Publication Number Publication Date
FI923388A0 FI923388A0 (fi) 1992-07-27
FI923388A true FI923388A (fi) 1994-05-03
FI93068B FI93068B (fi) 1994-10-31
FI93068C FI93068C (fi) 1995-02-10

Family

ID=8535650

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923388A FI93068C (fi) 1992-07-27 1992-07-27 Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa

Country Status (5)

Country Link
US (1) US5426670A (fi)
EP (1) EP0584912B1 (fi)
JP (1) JPH06188766A (fi)
DE (1) DE69324863T2 (fi)
FI (1) FI93068C (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426670A (en) * 1992-07-27 1995-06-20 Nokia Mobile Phones Ltd. Interference compensating circuit including a matched filter followed by a median filter

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97095C (fi) * 1994-10-31 1996-10-10 Nokia Mobile Phones Ltd TDMA-signaalien kehysajastuksen ohjaus
US5621766A (en) * 1994-10-31 1997-04-15 Motorola, Inc. Method and apparatus for burst detecting
FR2733113B1 (fr) * 1995-04-14 1997-06-13 Europ Agence Spatiale Recepteur de signal a spectre etale
US5798846A (en) * 1996-05-28 1998-08-25 Hewlett-Packard Company Apparatus and method for selectively processing a scanned image
FI101659B1 (fi) 1996-07-12 1998-07-31 Nokia Mobile Phones Ltd Viiveen estimointimenetelmä ja vastaanotin
US5900006A (en) * 1996-12-23 1999-05-04 Daewoo Electronics Co., Ltd. Median filtering method and apparatus using a plurality of processing elements
FI109735B (fi) 1997-02-28 2002-09-30 Nokia Corp Vastaanottomenetelmä ja vastaanotin
US5864493A (en) * 1997-06-12 1999-01-26 Ford Global Technologies, Inc. Self-adapting interval mean value filter
GB2328584B (en) 1997-08-22 2002-05-29 Nokia Mobile Phones Ltd Switching control method and apparatus for wireless telecommunications
JPH1174873A (ja) * 1997-08-27 1999-03-16 Sony Corp 相関検出装置及び方法
US5894494A (en) * 1997-10-29 1999-04-13 Golden Bridge Technology, Inc. Parallel correlator architecture for synchronizing direct sequence spread-spectrum signals
FI107365B (fi) 1998-04-27 2001-07-13 Nokia Mobile Phones Ltd Menetelmä ja järjestelmä muuttuvan datankäsittelyn ilmaisemiseksi tiedonsiirtoyhteydessä
GB2337413A (en) 1998-05-15 1999-11-17 Nokia Mobile Phones Ltd alternative Channel Measurement in a Radio Communication system
GB9811382D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
GB9811380D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transciever for wireless communication
FI981518A (fi) 1998-07-01 2000-01-02 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä ja radiojärjestelmä
GB9929132D0 (en) * 1999-12-10 2000-02-02 Koninkl Philips Electronics Nv Spread spectrum receiver
US6958783B2 (en) * 2002-07-16 2005-10-25 Broadcom Corporation Adaptive non-linear noise reduction techniques
DE10310810B3 (de) 2003-03-12 2004-10-14 Infineon Technologies Ag Vorrichtung und Verfahren zum Filtern von Datensymbolen für ein entscheidungsbasiertes Datenverarbeitungssystem
US7860395B2 (en) * 2006-02-02 2010-12-28 Oki Electric Industry Co., Ltd. Optical access network system

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
JPS6259420A (ja) * 1985-09-09 1987-03-16 Toshiba Corp デジタルクランプ回路
US4682230A (en) * 1986-03-21 1987-07-21 Rca Corporation Adaptive median filter system
EP0301282A1 (de) * 1987-07-31 1989-02-01 BBC Brown Boveri AG Signalübertragungsverfahren
JP2648848B2 (ja) * 1988-07-12 1997-09-03 クラリオン株式会社 スペクトラム拡散受信機における相関パルス発生回路
US4910467A (en) * 1988-11-02 1990-03-20 Motorola, Inc. Method and apparatus for decoding a quadrature modulated signal
US4906928A (en) * 1988-12-29 1990-03-06 Atlantic Richfield Company Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers
US4972430A (en) * 1989-03-06 1990-11-20 Raytheon Company Spread spectrum signal detector
US4928258A (en) * 1989-05-08 1990-05-22 The United States Of America As Represented By The Secretary Of The Air Force Recursive median filtering
US5271042A (en) * 1989-10-13 1993-12-14 Motorola, Inc. Soft decision decoding with channel equalization
GB2243733A (en) * 1990-05-01 1991-11-06 Orbitel Mobile Communications Gain control based on average amplitude of i/p signal
US5142551A (en) * 1991-02-28 1992-08-25 Motorola, Inc. Signal weighting system for digital receiver
US5285480A (en) * 1991-09-03 1994-02-08 General Electric Company Adaptive MLSE-VA receiver for digital cellular radio
US5235424A (en) * 1992-02-06 1993-08-10 General Electric Company Automatic gain control system for a high definition television signal receiver
FI93068C (fi) * 1992-07-27 1995-02-10 Nokia Mobile Phones Ltd Kytkentä häiriöiden haittavaikutusten pienentämiseksi sovitettua suodatinta käyttävissä vastaanottimissa

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426670A (en) * 1992-07-27 1995-06-20 Nokia Mobile Phones Ltd. Interference compensating circuit including a matched filter followed by a median filter

Also Published As

Publication number Publication date
JPH06188766A (ja) 1994-07-08
FI923388A0 (fi) 1992-07-27
EP0584912B1 (en) 1999-05-12
DE69324863D1 (de) 1999-06-17
DE69324863T2 (de) 1999-12-09
FI93068B (fi) 1994-10-31
US5426670A (en) 1995-06-20
FI93068C (fi) 1995-02-10
EP0584912A1 (en) 1994-03-02

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Legal Events

Date Code Title Description
BB Publication of examined application