NO903180D0 - Multippelmottagningssystem for digital radiokommunikasjon. - Google Patents

Multippelmottagningssystem for digital radiokommunikasjon.

Info

Publication number: NO903180D0
Authority: NO; Norway
Prior art keywords: radio communication; receiving system; digital radio; multiple receiving; digital
Prior art date: 1989-07-17

Application number

NO903180A

Other languages

English (en)

Other versions

NO903180L (no

NO302550B1 (no

Inventor

Hiroyasu Muto

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.)

1989-07-17

Filing date

1990-07-17

Publication date

1990-07-17

1990-07-17 Application filed by Nec Corp filed Critical Nec Corp

1990-07-17 Publication of NO903180D0 publication Critical patent/NO903180D0/no

1991-01-18 Publication of NO903180L publication Critical patent/NO903180L/no

1998-03-16 Publication of NO302550B1 publication Critical patent/NO302550B1/no

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Radio Transmission System (AREA)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Circuits Of Receivers In General (AREA)

NO903180A 1989-07-17 1990-07-17 Multippelmottagningssystem for digital radiokommunikasjon NO302550B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP18542789		1989-07-17

Publications (3)

Publication Number	Publication Date
NO903180D0 true NO903180D0 (no)	1990-07-17
NO903180L NO903180L (no)	1991-01-18
NO302550B1 NO302550B1 (no)	1998-03-16

Family

ID=16170597

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO903180A NO302550B1 (no)	1989-07-17	1990-07-17	Multippelmottagningssystem for digital radiokommunikasjon

Country Status (7)

Country	Link
US (1)	US5065411A (no)
EP (1)	EP0409171B1 (no)
JP (1)	JP2556179B2 (no)
AU (1)	AU625945B2 (no)
CA (1)	CA2021232C (no)
DE (1)	DE69025997T2 (no)
NO (1)	NO302550B1 (no)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69024525T2 (de) *	1989-05-02	1996-05-15	Nippon Electric Co	TDMA-Raumdiversity-Empfänger
IT1230284B (it) *	1989-06-15	1991-10-18	Italtel Spa	Procedimento e dispositivo per la ricezione di segnali in sistemi radiomobili digitali.
CA2037824C (en) *	1990-03-20	1999-11-09	Hiroshi Kubo	Diversity circuit and frame phase (or sampling timing) estimation circuit using the diversity circuit
EP0449327B1 (en) *	1990-03-30	1998-07-15	Nec Corporation	Noise-immune space diversity receiver
FR2661578A1 (fr) *	1990-04-27	1991-10-31	Trt Telecom Radio Electr	Dispositif de commutation dynamique pour le masquage d'erreurs dans un systeme a doublement du conduit numerique.
US5272726A (en) *	1990-07-31	1993-12-21	Nec Corporation	Blind type sequence estimator for use in communications system
GB2247812B (en) *	1990-09-06	1994-08-31	Motorola Inc	Equalizer for linear modulated signal
GB9023605D0 (en) *	1990-10-30	1990-12-12	British Telecomm	Digital radio
JP2643614B2 (ja) *	1991-02-22	1997-08-20	日本電気株式会社	ディジタル移動通信端末装置
JP2621685B2 (ja) *	1991-05-29	1997-06-18	日本電気株式会社	適応型最尤系列推定装置
US5263026A (en) *	1991-06-27	1993-11-16	Hughes Aircraft Company	Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
US5214675A (en) *	1991-07-02	1993-05-25	Motorola, Inc.	System and method for calculating channel gain and noise variance of a communication channel
JP2683665B2 (ja) *	1991-11-27	1997-12-03	日本電気株式会社	最尤系列推定装置
DE4139059C2 (de) *	1991-11-28	1999-04-15	Daimler Benz Aerospace Ag	Digitales Nachrichtenübertragungssystem
JP3033308B2 (ja) *	1991-12-25	2000-04-17	松下電器産業株式会社	合成ダイバーシチ受信機
IT1258807B (it) *	1992-01-22	1996-02-29	Alcatel Italia	Metodo e sistema per la sincronizzazione di segnali mutuamente interferenti in trasmissioni radio numeriche con riuso di frequenza
US5319677A (en) *	1992-05-12	1994-06-07	Hughes Aircraft Company	Diversity combiner with MLSE for digital cellular radio
US5841816A (en) *	1992-10-22	1998-11-24	Ericsson Inc.	Diversity Pi/4-DQPSK demodulation
US5289499A (en) *	1992-12-29	1994-02-22	At&T Bell Laboratories	Diversity for direct-sequence spread spectrum systems
US5574750A (en) *	1993-09-14	1996-11-12	Pacific Communication Sciences, Inc.	Methods and apparatus for detecting a cellular digital packet data (CDPD) carrier
US5854808A (en) *	1993-09-14	1998-12-29	Pacific Communication Sciences	Methods and apparatus for detecting the presence of a prescribed signal in a channel of a communications system
US5550870A (en) *	1994-03-02	1996-08-27	Lucent Technologies Inc.	Viterbi processor
EP0763307A2 (en) *	1994-06-03	1997-03-19	Telefonaktiebolaget Lm Ericsson	Diversity combining for antennas
FI102797B1 (fi) *	1994-10-07	1999-02-15	Nokia Telecommunications Oy	Signaalin ilmaisumenetelmä TDMA-matkaviestinjärjestelmän vastaanottimessa sekä menetelmän toteuttava vastaanotin
US5796777A (en) *	1996-02-27	1998-08-18	Motorola, Inc.	Apparatus and method for digitizing and detecting a received radio frequency signal
SE9702370L (sv) *	1997-06-19	1998-12-20	Ericsson Telefon Ab L M	Balanserad diversitet
US6304624B1 (en) *	1997-10-24	2001-10-16	Fujitsu Limited	Coherent detecting method using a pilot symbol and a tentatively determined data symbol, a mobile communication receiver and an interference removing apparatus using the coherent detecting method
US6018647A (en) *	1997-11-10	2000-01-25	Electrocom Communication Systems, Inc.	Diversity reception system
GB9810686D0 (en) *	1998-05-19	1998-07-15	King S College London	Dual direction estimator
JP2000341183A (ja) *	1999-05-31	2000-12-08	Matsushita Electric Ind Co Ltd	受信装置
US6560299B1 (en) *	1999-07-30	2003-05-06	Christopher H Strolle	Diversity receiver with joint signal processing
US6151358A (en) *	1999-08-11	2000-11-21	Motorola, Inc.	Method and apparatus, and computer program for producing filter coefficients for equalizers
JP3546833B2 (ja) *	2000-11-06	2004-07-28	日本電気株式会社	無線受信装置及び高速等化処理方法
DE10307021A1 (de) *	2003-02-20	2004-10-07	Newlogic Technologies Ag	Adaptives Equalizersystem in integrierten drahtlosen Empfängern
JP4079197B1 (ja) *	2007-02-06	2008-04-23	松下電器産業株式会社	受信装置とこれを用いた受信システム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4935940A (en) *	1967-05-24	1990-06-19	The United States Of America As Represented By The Secretary Of The Army	Interference-proof reception of radio signals using frequency hopping techniques
US4281411A (en) *	1979-06-25	1981-07-28	Signatron, Inc.	High speed digital communication receiver
US4384358A (en) *	1980-01-28	1983-05-17	Nippon Electric Co., Ltd.	Space-diversity broad-band digital radio receiver
DE3427058A1 (de) *	1984-07-23	1986-02-06	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Empfaenger fuer bandgespreizte signale
US4734920A (en) *	1984-10-10	1988-03-29	Paradyne Corporation	High speed modem for multiple communication circuits
US4748682A (en) *	1985-01-08	1988-05-31	Mitsubishi Denki Kabushiki Kaisha	Combined diversity receiving apparatus
DE3634439A1 (de) *	1986-10-09	1988-04-14	Blaupunkt Werke Gmbh	Verfahren und schaltungsanordnung zum empfang von radiowellen
GB2198913B (en) *	1986-12-11	1990-12-19	Plessey Co Plc	Troposcatter modem receiver
US4733402A (en) *	1987-04-23	1988-03-22	Signatron, Inc.	Adaptive filter equalizer systems
JP2622972B2 (ja) *	1987-09-17	1997-06-25	三洋電機株式会社	Ｆｍラジオ受信機
US4884272A (en) *	1988-02-10	1989-11-28	Mcconnell Peter R H	Maximum likelihood diversity receiver

1990
- 1990-07-16 CA CA002021232A patent/CA2021232C/en not_active Expired - Fee Related
- 1990-07-17 NO NO903180A patent/NO302550B1/no not_active IP Right Cessation
- 1990-07-17 US US07/553,287 patent/US5065411A/en not_active Expired - Lifetime
- 1990-07-17 DE DE69025997T patent/DE69025997T2/de not_active Expired - Fee Related
- 1990-07-17 JP JP2187020A patent/JP2556179B2/ja not_active Expired - Lifetime
- 1990-07-17 AU AU59127/90A patent/AU625945B2/en not_active Ceased
- 1990-07-17 EP EP90113688A patent/EP0409171B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE69025997T2 (de)	1996-08-29
EP0409171A3 (en)	1992-11-25
AU5912790A (en)	1991-01-17
AU625945B2 (en)	1992-07-16
JP2556179B2 (ja)	1996-11-20
EP0409171A2 (en)	1991-01-23
NO903180L (no)	1991-01-18
CA2021232A1 (en)	1991-01-18
DE69025997D1 (de)	1996-04-25
JPH03214819A (ja)	1991-09-20
CA2021232C (en)	1993-09-21
NO302550B1 (no)	1998-03-16
EP0409171B1 (en)	1996-03-20
US5065411A (en)	1991-11-12

Publication	Publication Date	Title
NO903180D0 (no)	1990-07-17	Multippelmottagningssystem for digital radiokommunikasjon.
FI891413L (fi)	1989-09-27	Radiokommunikationssystem.
DE3789135D1 (de)	1994-03-31	Funktelefonsystem.
FI905667A7 (fi)	1992-03-31	Radiosaendarmottagarsystem.
DE69010011D1 (de)	1994-07-21	Kommunikationssystem.
NO881468L (no)	1989-01-09	Basisstasjon for traadloest digitalt telefonsystem.
DE69000003D1 (de)	1991-12-12	Funktelefonsystem.
DE3884077D1 (de)	1993-10-21	Funktelefonsystem.
DK16089A (da)	1989-07-15	Mobilkommunikationssystem.
FI863086A7 (fi)	1987-02-01	Digitalt radiotransmissionssystem.
NO892200D0 (no)	1989-05-31	Fremgangsmaate for mobilradiosystem.
DK16189D0 (da)	1989-01-13	Mobilkommunikationssystem.
DE3854095D1 (de)	1995-08-10	Mobilfunk-Kommunikationssystem.
DE69013308D1 (de)	1994-11-17	Datenkommunikationssystem.
NO904009L (no)	1991-03-15	Celleoppdelt radiokommunikasjonssystem.
FI832573A7 (fi)	1983-07-14	Radioyhteysjärjestelmä.
DE69110103D1 (de)	1995-07-06	Digitaler Funkempfänger.
DE69023379D1 (de)	1995-12-14	Radiokommunikationssystem.
FI910114A7 (fi)	1992-07-10	Radiosaendarmottagarsystem.
DE68915768D1 (de)	1994-07-07	Kommunikationssystem.
DE3889502D1 (de)	1994-06-16	Funkkommunikationssystem.
FI956148A0 (fi)	1995-12-20	Digitaalinen radioliikennelaitteisto
DE59009290D1 (de)	1995-07-27	Funk-Empfänger.
DE3769841D1 (de)	1991-06-13	Digitales kommunikationssystem.
DE3673631D1 (de)	1990-09-27	Digitales mobilfunksystem.

Legal Events

Date	Code	Title	Description
2003-03-10	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN JANUARY 2003