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Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem

Info

Publication number
DE69024386D1
DE69024386D1 DE1990624386 DE69024386A DE69024386D1 DE 69024386 D1 DE69024386 D1 DE 69024386D1 DE 1990624386 DE1990624386 DE 1990624386 DE 69024386 A DE69024386 A DE 69024386A DE 69024386 D1 DE69024386 D1 DE 69024386D1
Authority
DE
Grant status
Grant
Patent type
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
DE1990624386
Other languages
English (en)
Other versions
DE69024386T2 (de )
Inventor
Seiji Kondou
Yoshihisa Isoda
Hiroyasu Muto
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.)
NEC Corp
Original Assignee
NEC Corp
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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0047Decoding adapted to other signal detection operation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045Arrangements at the receiver end
    • H04L1/0054Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
DE1990624386 1989-03-15 1990-03-14 Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem Expired - Lifetime DE69024386D1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP6285789A JPH02241249A (en) 1989-03-15 1989-03-15 Interference detecting system
JP10061689A JP2765037B2 (ja) 1989-04-20 1989-04-20 アンテナダイバーシチ受信機

Publications (1)

Publication Number Publication Date
DE69024386D1 true DE69024386D1 (de) 1996-02-08

Family

ID=26403914

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1990624386 Expired - Lifetime DE69024386D1 (de) 1989-03-15 1990-03-14 Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem
DE1990624386 Expired - Lifetime DE69024386T2 (de) 1989-03-15 1990-03-14 Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1990624386 Expired - Lifetime DE69024386T2 (de) 1989-03-15 1990-03-14 Vorrichtung zur Interferenzdetektion in einem digitalen beweglichen Kommunikationssystem

Country Status (4)

Country Link
US (1) US5157672A (de)
CA (1) CA2012120C (de)
DE (2) DE69024386D1 (de)
EP (1) EP0388163B1 (de)

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GB9011119D0 (en) * 1990-05-17 1990-07-04 Orbitel Mobile Communications Receiver systems
DE4039245A1 (de) * 1990-12-08 1992-06-11 Philips Patentverwaltung Empfaenger mit mindestens zwei empfangszweigen
CA2076296C (en) * 1991-09-10 2001-03-20 Jan Fredrik Farjh Method of detecting the channel identity of a number of channels in a mobile radio system
CA2109576C (en) * 1992-04-24 1998-06-16 Patrick J. Marry Method and apparatus for determining signal transmission quality levels of a transmitted signal
DE69331567T2 (de) * 1992-05-25 2002-10-10 Alcatel Sa Verfahren zur Minimierung der ZF-geschätzten Bitfehlerratefunktion in einem digitalen Raum/Winkeldiversity-Funkempfänger
CA2116736C (en) * 1993-03-05 1999-08-10 Edward M. Roney, Iv Decoder selection
US5912907A (en) * 1993-11-22 1999-06-15 Thomson Consumer Electronics, Inc. Satellite receiver code rate switching apparatus
WO1995015033A1 (en) * 1993-11-22 1995-06-01 Thomson Consumer Electronics, Inc. Satellite receiver code rate switching apparatus
US5383219A (en) * 1993-11-22 1995-01-17 Qualcomm Incorporated Fast forward link power control in a code division multiple access system
FI98027C (fi) * 1995-01-10 1997-03-25 Nokia Telecommunications Oy Pakettiradiojärjestelmä ja päätelaitteisto pakettiradiojärjestelmää varten
FI950843A (fi) * 1995-02-23 1996-08-24 Nokia Telecommunications Oy Menetelmä yhteyden laadun määrittämiseksi sekä vastaanotin
DE69633005T2 (de) * 1995-03-31 2005-07-21 Qualcomm, Inc., San Diego Leistungsregelungsverfahren und- vorrichtung für ein mobiles kommunikatiossystem
US6137840A (en) * 1995-03-31 2000-10-24 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
US6977967B1 (en) 1995-03-31 2005-12-20 Qualcomm Incorporated Method and apparatus for performing fast power control in a mobile communication system
DE69601343T2 (de) * 1995-10-25 1999-07-15 Nec Corp Maximalwahrscheinlichkeitsdekodierung mit weichen Entscheidungen
US5737365A (en) * 1995-10-26 1998-04-07 Motorola, Inc. Method and apparatus for determining a received signal quality estimate of a trellis code modulated signal
FI100566B (fi) * 1996-01-24 1997-12-31 Nokia Telecommunications Oy Kehyksen laadun tunnistamismenetelmä ja vastaanotin
US5949796A (en) * 1996-06-19 1999-09-07 Kumar; Derek D. In-band on-channel digital broadcasting method and system
US5893035A (en) * 1996-09-16 1999-04-06 Qualcomm Incorporated Centralized forward link power control
US5892774A (en) * 1996-12-12 1999-04-06 Qualcomm Incorporated Phase shift encoded subchannel
US5991284A (en) * 1997-02-13 1999-11-23 Qualcomm Inc. Subchannel control loop
US6243568B1 (en) * 1997-03-22 2001-06-05 Sharp Laboratories Of America, Inc. System and method for intuitively indicating signal quality in a wireless digital communications network
KR100243213B1 (ko) * 1997-06-14 2000-02-01 윤종용 제로상태평가량을이용한비터비복호데이터의품질평가장치
US6097972A (en) * 1997-08-29 2000-08-01 Qualcomm Incorporated Method and apparatus for processing power control signals in CDMA mobile telephone system
US6141388A (en) * 1998-03-11 2000-10-31 Ericsson Inc. Received signal quality determination method and systems for convolutionally encoded communication channels
US6308054B2 (en) * 1999-03-02 2001-10-23 Hitachi, Ltd. Diversity wireless communication method and its wireless communication apparatus
JP2001184149A (ja) * 1999-12-27 2001-07-06 Toshiba Corp 情報処理装置および動作状態制御方法
US8199696B2 (en) 2001-03-29 2012-06-12 Qualcomm Incorporated Method and apparatus for power control in a wireless communication system
US6771442B2 (en) 2001-06-29 2004-08-03 Infineon Technologies Ag Off-track interference emulator
US7162675B2 (en) * 2002-04-05 2007-01-09 Lucent Technologies Inc. Error detection methods in wireless communication systems
US7577249B2 (en) * 2003-01-06 2009-08-18 Gn Netcom, Inc. Wireless remote controlled handset lifter system using magnetically coupled ring detection
US7903764B2 (en) * 2004-05-10 2011-03-08 Broadcom Corporation Integrated burst FSK receiver
JP2005348338A (ja) * 2004-06-07 2005-12-15 Alps Electric Co Ltd 混信判定方法及び端末装置
US9209937B2 (en) * 2007-06-28 2015-12-08 Telefonaktiebolaget L M Ericsson (Publ) Reliable decoding of a high-speed shared control channel
US8429475B2 (en) * 2009-02-27 2013-04-23 Research In Motion Limited State dependent advanced receiver processing in a wireless mobile device

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
US4214213A (en) * 1977-10-25 1980-07-22 Rca Corporation Signal selecting system
WO1984000653A1 (en) * 1982-08-03 1984-02-16 Motorola Inc Method and apparatus for measuring the strength of a radio frequency signal
JPS59181732A (en) * 1983-03-31 1984-10-16 Toshiba Corp Diversity receiving system in portable radio equipment
US4823398A (en) * 1985-12-23 1989-04-18 Kazuya Hashimoto Diversity receiver
US4704734A (en) * 1986-02-18 1987-11-03 Motorola, Inc. Method and apparatus for signal strength measurement and antenna selection in cellular radiotelephone systems
GB8609711D0 (en) * 1986-04-21 1986-05-29 Clark A P Channel estimation & detection
JPH0450778B2 (de) * 1986-07-26 1992-08-17 Nippon Electric Co
US4945549A (en) * 1986-11-13 1990-07-31 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Trellis coded modulation for transmission over fading mobile satellite channel
US4932029A (en) * 1987-07-24 1990-06-05 Ant Nachrichtentechnik Gmbh Method and apparatus for correcting errors in convolutional code signals
US4922507A (en) * 1987-12-01 1990-05-01 California Institute Of Technology Multiple trellis coded modulation
US4884272A (en) * 1988-02-10 1989-11-28 Mcconnell Peter R H Maximum likelihood diversity receiver
JP2708777B2 (ja) * 1988-05-19 1998-02-04 三洋電機株式会社 ダイバーシティ受信装置
JP2693488B2 (ja) * 1988-06-09 1997-12-24 株式会社東芝 ダイバーシチ受信方式
US4941154A (en) * 1989-05-30 1990-07-10 At&T Bell Laboratories Trellis coding method and arrangement for fractional bit rates

Also Published As

Publication number Publication date Type
EP0388163A2 (de) 1990-09-19 application
EP0388163A3 (de) 1992-06-10 application
CA2012120C (en) 1994-10-18 grant
EP0388163B1 (de) 1995-12-27 grant
CA2012120A1 (en) 1990-09-15 application
DE69024386T2 (de) 1996-05-30 grant
US5157672A (en) 1992-10-20 grant

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