SE7904058L - Med skilda kanaler arbetande kummunikationssystem for vinkelmodulerad digital transmission - Google Patents

Med skilda kanaler arbetande kummunikationssystem for vinkelmodulerad digital transmission

Info

Publication number
SE7904058L
SE7904058L SE7904058A SE7904058A SE7904058L SE 7904058 L SE7904058 L SE 7904058L SE 7904058 A SE7904058 A SE 7904058A SE 7904058 A SE7904058 A SE 7904058A SE 7904058 L SE7904058 L SE 7904058L
Authority
SE
Sweden
Prior art keywords
branches
digital signal
local
communication system
signal
Prior art date
Application number
SE7904058A
Other languages
Unknown language ( )
English (en)
Other versions
SE442934B (sv
Inventor
K Hirade
T Hattori
F Adachi
Original Assignee
Nippon Telegraph & Telephone
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
Priority claimed from JP53054408A external-priority patent/JPS5935221B2/ja
Priority claimed from JP11454178A external-priority patent/JPS5928304B2/ja
Application filed by Nippon Telegraph & Telephone filed Critical Nippon Telegraph & Telephone
Publication of SE7904058L publication Critical patent/SE7904058L/sv
Publication of SE442934B publication Critical patent/SE442934B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0865—Independent weighting, i.e. weights based on own antenna reception parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
SE7904058A 1978-05-10 1979-05-09 Diversitetssystem for overforing av en vinkelmodulerad digital signal SE442934B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP53054408A JPS5935221B2 (ja) 1978-05-10 1978-05-10 ダイバ−シテイ受信方式
JP11454178A JPS5928304B2 (ja) 1978-09-20 1978-09-20 ダイバ−シテイ受信方式

Publications (2)

Publication Number Publication Date
SE7904058L true SE7904058L (sv) 1979-11-11
SE442934B SE442934B (sv) 1986-02-03

Family

ID=26395170

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7904058A SE442934B (sv) 1978-05-10 1979-05-09 Diversitetssystem for overforing av en vinkelmodulerad digital signal

Country Status (5)

Country Link
US (1) US4397036A (sv)
DE (1) DE2918269C3 (sv)
GB (1) GB2023971B (sv)
NL (1) NL176624C (sv)
SE (1) SE442934B (sv)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498173A (en) * 1982-06-17 1985-02-05 At&T Bell Laboratories Technique for digital split-channel transmission using interpolative coders and decoders
JPS5913441A (ja) * 1982-07-14 1984-01-24 Nec Corp 干渉波消去型スペ−スダイバ−シテイ−装置
GB2161344A (en) * 1984-07-06 1986-01-08 Philips Electronic Associated Transmission of digital data
US4639914A (en) * 1984-12-06 1987-01-27 At&T Bell Laboratories Wireless PBX/LAN system with optimum combining
US4715048A (en) * 1986-05-02 1987-12-22 Canadian Patents And Development Limited Frequency offset diversity receiving system
DE3634439A1 (de) * 1986-10-09 1988-04-14 Blaupunkt Werke Gmbh Verfahren und schaltungsanordnung zum empfang von radiowellen
US4864641A (en) * 1987-02-16 1989-09-05 Mitsubishi Denki Kabushiki Kaisha Radio data transmission system
DE3836046A1 (de) * 1987-10-31 1989-05-11 Hirschmann Radiotechnik Empfangsverfahren und empfangs-antennensystem zur durchfuehrung des verfahrens
US5109392A (en) * 1989-05-11 1992-04-28 Bell Telephone Laboratories, Inc. Diversity receiver arrangement for digital signals
CH682363A5 (sv) * 1991-04-29 1993-08-31 Ascom Radiocom Ag
WO1995018486A1 (en) * 1993-12-29 1995-07-06 Tcsi Corporation A wireless digital synchronized diversity receiver
JP3022194B2 (ja) * 1994-09-02 2000-03-15 三菱電機株式会社 ダイバーシチ受信装置
US5887037A (en) * 1996-02-27 1999-03-23 Lucent Technologies Inc. Introducing processing delay as a multiple of the time slot duration
JPH1070497A (ja) * 1996-08-27 1998-03-10 Saitama Nippon Denki Kk ダイバーシチ方式無線装置の受信信号合成方法
US6236844B1 (en) * 1998-06-23 2001-05-22 Visteon Global Technologies, Inc. Proportional diversity radio receiver system
DE19860402A1 (de) * 1998-12-28 2000-06-29 Bosch Gmbh Robert Verfahren und Schaltungsanordnung zur Demodulation eines digitalen frequenzmodulierten Signals
DE10130234A1 (de) * 2001-06-22 2003-01-02 Bosch Gmbh Robert Funkempfangssystem
JP2005130043A (ja) * 2003-10-21 2005-05-19 Pioneer Electronic Corp 受信機
DE102004002481A1 (de) * 2004-01-17 2005-08-11 Robert Bosch Gmbh Funkempfangssystem mit zwei Empfangsantennen und zwei daran angeschlossenen Empfängern
US8098683B2 (en) * 2004-10-06 2012-01-17 Broadcom Corporation Method and system for implementing a single weight (SW) single channel (SC) MIMO system with no insertion loss
US8532019B2 (en) * 2004-10-06 2013-09-10 Broadcom Corporation Method and system for implementing a single weight (SW) single channel (SC) MIMO system
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955199A (en) * 1958-08-05 1960-10-04 Itt Radio diversity receiving system
US3348152A (en) * 1964-03-23 1967-10-17 Jr Charles R Laughlin Diversity receiving system with diversity phase-lock
FR1432581A (fr) * 1964-12-24 1966-03-25 Thomson Houston Comp Francaise Perfectionnements aux récepteurs radars monocanaux
US3462554A (en) * 1966-01-14 1969-08-19 Motorola Inc Transmission system utilizing independent diversity reception on plural sideband components
FR2076193A5 (sv) * 1970-01-06 1971-10-15 Commissariat Energie Atomique
US3755739A (en) * 1970-09-05 1973-08-28 Nippon Electric Co Data signal transmission system employing phase modulation
US4027247A (en) * 1975-11-11 1977-05-31 Bell Telephone Laboratories, Incorporated Receiver especially for use as a diversity combining receiver with channel selection capability
JPS52141113A (en) * 1976-05-19 1977-11-25 Nippon Telegr & Teleph Corp <Ntt> Transmission diversity system

Also Published As

Publication number Publication date
DE2918269C3 (de) 1981-04-09
SE442934B (sv) 1986-02-03
NL176624C (nl) 1985-05-01
NL176624B (nl) 1984-12-03
DE2918269B2 (de) 1980-08-28
NL7903609A (nl) 1979-11-13
DE2918269A1 (de) 1979-11-22
GB2023971B (en) 1982-04-21
US4397036A (en) 1983-08-02
GB2023971A (en) 1980-01-03

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