MX152176A - Mejoras en aparato para el desplazamiento aleatorio de frecuencia para sistemas de radiocomunicaciones en transmisiones multiples - Google Patents

Mejoras en aparato para el desplazamiento aleatorio de frecuencia para sistemas de radiocomunicaciones en transmisiones multiples

Info

Publication number
MX152176A
MX152176A MX195130A MX19513082A MX152176A MX 152176 A MX152176 A MX 152176A MX 195130 A MX195130 A MX 195130A MX 19513082 A MX19513082 A MX 19513082A MX 152176 A MX152176 A MX 152176A
Authority
MX
Mexico
Prior art keywords
radio communication
communication systems
frequency displacement
multiple transmissions
random frequency
Prior art date
Application number
MX195130A
Other languages
English (en)
Spanish (es)
Inventor
Stuart W Thro
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 MX152176A publication Critical patent/MX152176A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/67—Common-wave systems, i.e. using separate transmitters operating on substantially the same frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/80—Wired systems using carrier waves having frequencies in two or more frequency bands, e.g. medium wave and VHF
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2625—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using common wave

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Noise Elimination (AREA)
MX195130A 1981-11-23 1982-11-10 Mejoras en aparato para el desplazamiento aleatorio de frecuencia para sistemas de radiocomunicaciones en transmisiones multiples MX152176A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32417281A 1981-11-23 1981-11-23

Publications (1)

Publication Number Publication Date
MX152176A true MX152176A (es) 1985-06-05

Family

ID=23262416

Family Applications (1)

Application Number Title Priority Date Filing Date
MX195130A MX152176A (es) 1981-11-23 1982-11-10 Mejoras en aparato para el desplazamiento aleatorio de frecuencia para sistemas de radiocomunicaciones en transmisiones multiples

Country Status (7)

Country Link
EP (1) EP0094417A1 (fr)
KR (1) KR840002782A (fr)
AR (1) AR229626A1 (fr)
CA (1) CA1202085A (fr)
IL (1) IL67120A (fr)
MX (1) MX152176A (fr)
WO (1) WO1983001878A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140254B (en) * 1980-11-21 1985-09-25 Western Electric Co Mobile radio system
JP2810569B2 (ja) * 1991-09-30 1998-10-15 富士通株式会社 ページング方式
JP2674404B2 (ja) * 1991-12-13 1997-11-12 日本電気株式会社 基地局カバレッジエリア制御方式
GB9219466D0 (en) * 1992-09-15 1992-10-28 British Broadcasting Corp Radio transmission systems
DE4237677C1 (de) * 1992-11-07 1993-11-18 Ant Nachrichtentech Verfahren zur Übertragung von Informationen an Verkehrsteilnehmer
GB2282298B (en) * 1993-08-27 1997-08-13 Motorola Gmbh A cell enhancer for simulcast radio transmission
WO1995010924A1 (fr) * 1993-10-12 1995-04-20 Ntt Mobile Communications Network Inc. Procede de transmission multistation et recepteur utilise a cet effet
WO2000007305A1 (fr) * 1998-07-31 2000-02-10 Ericsson Inc. Systeme a combinaison en espace libre et a antenne en diversite pour stations cellulaires fixes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3475558A (en) * 1964-09-01 1969-10-28 Magnavox Co Time gated pseudonoise multiplexing system
US3597689A (en) * 1966-11-14 1971-08-03 Boeing Co Communication system
US4231113A (en) * 1968-03-11 1980-10-28 International Business Machines Corporation Anti-jam communications system
US3710313A (en) * 1971-01-13 1973-01-09 P Kimball Emergency warning systems

Also Published As

Publication number Publication date
KR840002782A (ko) 1984-07-16
EP0094417A1 (fr) 1983-11-23
CA1202085A (fr) 1986-03-18
IL67120A (en) 1987-08-31
AR229626A1 (es) 1983-09-30
IL67120A0 (en) 1983-02-23
WO1983001878A1 (fr) 1983-05-26

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