DE3786644D1 - Interferenzunempfindlicher digital-modulationsempfaenger. - Google Patents

Interferenzunempfindlicher digital-modulationsempfaenger.

Info

Publication number: DE3786644D1
Authority: DE; Germany
Prior art keywords: interference; digital modulation; modulation receiver; sensitive digital; sensitive
Prior art date: 1986-11-19
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

DE8787117071T

Other languages

English (en)

Other versions

DE3786644T2 (de

Inventor

Yasuharu C O Nec Corpo Yoshida

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.)

1986-11-19

Filing date

1987-11-19

Publication date

1993-08-26

1986-11-19 Priority claimed from JP61277155A external-priority patent/JPS63129751A/ja

1987-10-07 Priority claimed from JP62253303A external-priority patent/JP2545882B2/ja

1987-10-09 Priority claimed from JP62254893A external-priority patent/JPH0197038A/ja

1987-11-19 Application filed by NEC Corp filed Critical NEC Corp

1993-08-26 Application granted granted Critical

1993-08-26 Publication of DE3786644D1 publication Critical patent/DE3786644D1/de

1994-02-24 Publication of DE3786644T2 publication Critical patent/DE3786644T2/de

2007-11-20 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- 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

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Noise Elimination (AREA)

DE87117071T 1986-11-19 1987-11-19 Interferenzunempfindlicher Digital-Modulationsempfänger. Expired - Fee Related DE3786644T2 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP61277155A JPS63129751A (ja)	1986-11-19	1986-11-19	受信装置
JP62253303A JP2545882B2 (ja)	1987-10-07	1987-10-07	データ再生装置
JP62254893A JPH0197038A (ja)	1987-10-09	1987-10-09	ディジタル受信装置

Publications (2)

Publication Number	Publication Date
DE3786644D1 true DE3786644D1 (de)	1993-08-26
DE3786644T2 DE3786644T2 (de)	1994-02-24

Family

ID=27334210

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE87117071T Expired - Fee Related DE3786644T2 (de)	1986-11-19	1987-11-19	Interferenzunempfindlicher Digital-Modulationsempfänger.

Country Status (4)

Country	Link
US (1)	US4823361A (de)
EP (1)	EP0268292B1 (de)
AU (1)	AU591436B2 (de)
DE (1)	DE3786644T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5134634A (en) *	1989-08-31	1992-07-28	Nec Corporation	Multilevel quadrature amplitude demodulator capable of compensating for a quadrature phase deviation of a carrier signal pair
US5495496A (en) *	1991-09-26	1996-02-27	The United States Of America As Represented By The Secretary Of The Navy	Method and apparatus for suppressing linear amplitude interference from bandspread communication signals
US5974101A (en) *	1992-04-28	1999-10-26	Canon Kabushiki Kaisha	Spread spectrum modulation communication apparatus for narrow band interference elimination
US5424881A (en)	1993-02-01	1995-06-13	Cirrus Logic, Inc.	Synchronous read channel
GB2307148B (en) *	1995-11-04	1999-11-17	Northern Telecom Ltd	Interference reduction in telecommunication systems
GB2307150B (en) *	1995-11-09	1999-10-20	Northern Telecom Ltd	An interference reduction scheme and method
US6567475B1 (en) *	1998-12-29	2003-05-20	Ericsson Inc.	Method and system for the transmission, reception and processing of 4-level and 8-level signaling symbols
US7773967B2 (en) *	2007-09-06	2010-08-10	Francis J. Smith	Multi-mode—multi-band direct conversion receiver with complex I and Q channel interference mitigation processing for cancellation of intermodulation products
KR100994155B1 (ko) *	2008-09-16	2010-11-12	전자부품연구원	대역외 간섭신호 제거 장치 및 방법
US10771030B2 (en) *	2018-08-24	2020-09-08	Analog Devices International Unlimited Company	Phase-locked loop with adjustable bandwidth

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4380082A (en) *	1980-05-21	1983-04-12	Nippon Electric Co., Ltd.	Digital signal receiver with FM interference elimination capability
US4479258A (en) *	1981-09-30	1984-10-23	Nippon Electric Co., Ltd.	Cross-polarization crosstalk canceller
US4544894A (en) *	1983-03-23	1985-10-01	Nec Corporation	DC Voltage control circuits
US4644564A (en) *	1983-08-05	1987-02-17	International Business Machines Corporation	Decoding the output signal of a partial-response class-IV communication or recording device channel
US4534026A (en) *	1983-12-06	1985-08-06	Paradyne Corporation	Normalized error compensator for modems using radial amplitude modulation for multiplexing
US4631734A (en) *	1985-03-21	1986-12-23	At&T Bell Laboratories	Cross-polarization canceler/equalizer

1987
- 1987-11-19 AU AU81391/87A patent/AU591436B2/en not_active Ceased
- 1987-11-19 EP EP87117071A patent/EP0268292B1/de not_active Expired - Lifetime
- 1987-11-19 US US07/122,970 patent/US4823361A/en not_active Expired - Lifetime
- 1987-11-19 DE DE87117071T patent/DE3786644T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0268292A3 (en)	1990-04-04
EP0268292A2 (de)	1988-05-25
AU591436B2 (en)	1989-11-30
AU8139187A (en)	1988-05-26
EP0268292B1 (de)	1993-07-21
US4823361A (en)	1989-04-18
DE3786644T2 (de)	1994-02-24

Legal Events

Date	Code	Title	Description
1994-08-18	8364	No opposition during term of opposition
2004-09-23	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
NL190886C (nl)	1994-10-03	Digitaal signaaldemodulatiesysteem.
DE3751327D1 (de)	1995-07-06	Funksystem.
DE3782740D1 (de)	1993-01-07	Fernsehempfaenger.
DE3782369D1 (de)	1992-12-03	Digitales uebertragungssystem.
DE3782666D1 (de)	1992-12-24	Fernsehempfaenger.
DE3788537D1 (de)	1994-02-03	Symmetrischer doppelt-optischer Signalempfänger.
DE3787787D1 (de)	1993-11-18	Kommunikationssystem.
DE3785781D1 (de)	1993-06-17	Zusammengesetztes qam-psk-uebertragungssystem.
NO870449D0 (no)	1987-02-04	Digitalt kommunikasjonssystem.
DE3771864D1 (de)	1991-09-05	Gewebtes band.
DE3671684D1 (de)	1990-07-05	Am-empfaenger.
DE3676990D1 (de)	1991-02-21	Geberanordnung.
DE3774149D1 (de)	1991-12-05	Digitaler phasenschieber.
DE3787104D1 (de)	1993-09-30	AM-Radiosender.
DE3789019D1 (de)	1994-03-17	Digitales übertragungssystem.
DE3673631D1 (de)	1990-09-27	Digitales mobilfunksystem.
DE3786644D1 (de)	1993-08-26	Interferenzunempfindlicher digital-modulationsempfaenger.
DE3768032D1 (de)	1991-03-28	Kommunikationssystem.
DE3786521D1 (de)	1993-08-19	Digitaler markierstift.
DE3689340D1 (de)	1994-01-13	Digitales Übertragungssystem.
DE3781135D1 (de)	1992-09-17	Traegerband.
DE3686326D1 (de)	1992-09-10	Mikrowellen-sende/empfangsvorrichtung.
DE3769841D1 (de)	1991-06-13	Digitales kommunikationssystem.
DE3769942D1 (de)	1991-06-13	Amplitudenmodulierter rundfunksender.
DE3787770D1 (de)	1993-11-18	Rundfunkempfänger.