DE69227752T2 - Einrichtung zur einstellung von signalpunkten, entzerrerverstärkungen und dergleichen - Google Patents

Einrichtung zur einstellung von signalpunkten, entzerrerverstärkungen und dergleichen

Info

Publication number
DE69227752T2
DE69227752T2 DE69227752T DE69227752T DE69227752T2 DE 69227752 T2 DE69227752 T2 DE 69227752T2 DE 69227752 T DE69227752 T DE 69227752T DE 69227752 T DE69227752 T DE 69227752T DE 69227752 T2 DE69227752 T2 DE 69227752T2
Authority
DE
Germany
Prior art keywords
signal points
adjusting signal
equalizer gains
equalizer
gains
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
DE69227752T
Other languages
English (en)
Other versions
DE69227752D1 (de
Inventor
Jerome Viviano
Teri Chastain Raynor
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69227752D1 publication Critical patent/DE69227752D1/de
Application granted granted Critical
Publication of DE69227752T2 publication Critical patent/DE69227752T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception
    • H04L25/03038—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception with a non-recursive structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/38—Demodulator circuits; Receiver circuits
    • H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
    • H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
    • H04L27/3872—Compensation for phase rotation in the demodulated signal
DE69227752T 1991-06-20 1992-06-03 Einrichtung zur einstellung von signalpunkten, entzerrerverstärkungen und dergleichen Expired - Fee Related DE69227752T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71845991A 1991-06-20 1991-06-20
PCT/US1992/004590 WO1993000761A1 (en) 1991-06-20 1992-06-03 Apparatus for and method of adjusting signal points, equalizer gains and the like

Publications (2)

Publication Number Publication Date
DE69227752D1 DE69227752D1 (de) 1999-01-14
DE69227752T2 true DE69227752T2 (de) 1999-07-22

Family

ID=24886160

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227752T Expired - Fee Related DE69227752T2 (de) 1991-06-20 1992-06-03 Einrichtung zur einstellung von signalpunkten, entzerrerverstärkungen und dergleichen

Country Status (5)

Country Link
US (1) US5309481A (de)
EP (1) EP0544875B1 (de)
JP (1) JP3182763B2 (de)
DE (1) DE69227752T2 (de)
WO (1) WO1993000761A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5610950A (en) * 1994-10-31 1997-03-11 Motorola, Inc. Communication device with reduced sensitivity to in-channel interference
JP3421452B2 (ja) * 1994-12-07 2003-06-30 富士通株式会社 非線形歪補償装置
FI98177C (fi) 1995-06-01 1997-04-25 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely häiriöllisen signaalin käsittelemiseksi
JPH10271051A (ja) * 1997-03-11 1998-10-09 Alcatel Alsthom Co General Electricite 双方向等化を伴う送／受信装置
JP3594297B2 (ja) * 2000-11-08 2004-11-24 株式会社日立国際電気 データ再生方式およびデータ再生器
FR2818468B1 (fr) * 2000-12-20 2003-01-31 Mitsubishi Electric Inf Tech Methode et dispositif de detection multi-utilisateur en mode ds-cdma
US7079605B1 (en) * 2002-04-25 2006-07-18 Wideband Semiconductors, Inc. Frequency estimation based on constellation error in QAM modems
DE10249492A1 (de) 2002-10-24 2004-05-13 Micronas Gmbh Verfahren und Schaltung zur Erzeugung eines Hilfssymbols zum Einregeln eines QAM-Demodulators
US7154966B2 (en) * 2003-06-30 2006-12-26 Telefonaktiebolaget L M Ericsson (Publ) Method and system for M-QAM detection in communication systems
EP3324543B1 (de) 2016-11-18 2020-01-08 Nxp B.V. Adaptives filter und verfahren zum betrieb eines adaptiven filters
EP3324542B1 (de) * 2016-11-18 2019-10-23 Nxp B.V. Adaptiver filter mit verwaltbarer ressourcenteilung
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631738A (en) * 1984-12-06 1986-12-23 Paradyne Corporation Gain tracker for digital modem
US4683578A (en) * 1985-07-05 1987-07-28 Paradyne Corporation Automatic gain control using the extreme points of a constellation
US4771438A (en) * 1987-08-04 1988-09-13 Hayes Microcomputer Products, Inc. Method and apparatus for phase reference recovery in high speed fast turnaround modem
FI881007A0 (fi) * 1988-03-04 1988-03-04 Teuvo Kohonen Foerfarande foer adaptiv avlaesning av kvantiserade signaler.
US4866395A (en) * 1988-11-14 1989-09-12 Gte Government Systems Corporation Universal carrier recovery and data detection for digital communication systems
FR2641922B1 (fr) * 1988-12-30 1991-03-22 Alcatel Transmission Dispositif d'egalisation auto-adaptative pour installation de demodulation differentiellement coherente
FI85548C (fi) * 1990-06-14 1992-04-27 Nokia Oy Ab Mottagningsfoerfarande och mottagare foer diskreta signaler.

Also Published As

Publication number Publication date
EP0544875A4 (en) 1993-12-01
JP3182763B2 (ja) 2001-07-03
DE69227752D1 (de) 1999-01-14
WO1993000761A1 (en) 1993-01-07
EP0544875A1 (de) 1993-06-09
EP0544875B1 (de) 1998-12-02
US5309481A (en) 1994-05-03
JPH06500914A (ja) 1994-01-27

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: SCHUMACHER & WILLSAU, PATENTANWALTSSOZIETAET, 80335 MUENCHEN

8339 Ceased/non-payment of the annual fee