AR229626A1 - Aparato de desplazamiento de frecuencia aleatoria para sistemas de comunicaciones por radio de emision simultanea por transmisores multiples - Google Patents

Aparato de desplazamiento de frecuencia aleatoria para sistemas de comunicaciones por radio de emision simultanea por transmisores multiples

Info

Publication number
AR229626A1
AR229626A1 AR291391A AR29139182A AR229626A1 AR 229626 A1 AR229626 A1 AR 229626A1 AR 291391 A AR291391 A AR 291391A AR 29139182 A AR29139182 A AR 29139182A AR 229626 A1 AR229626 A1 AR 229626A1
Authority
AR
Argentina
Prior art keywords
radio communication
communication systems
displacement device
frequency displacement
random frequency
Prior art date
Application number
AR291391A
Other languages
English (en)
Spanish (es)
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
Application granted granted Critical
Publication of AR229626A1 publication Critical patent/AR229626A1/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
    • H04H20/76—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
    • 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
    • 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)
  • Noise Elimination (AREA)
  • Transmitters (AREA)
AR291391A 1981-11-23 1982-11-23 Aparato de desplazamiento de frecuencia aleatoria para sistemas de comunicaciones por radio de emision simultanea por transmisores multiples AR229626A1 (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
AR229626A1 true AR229626A1 (es) 1983-09-30

Family

ID=23262416

Family Applications (1)

Application Number Title Priority Date Filing Date
AR291391A AR229626A1 (es) 1981-11-23 1982-11-23 Aparato de desplazamiento de frecuencia aleatoria para sistemas de comunicaciones por radio de emision simultanea por transmisores multiples

Country Status (7)

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

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
US6483866B1 (en) 1993-10-12 2002-11-19 Ntt Mobile Communications Network Inc. Multi-station transmission method and receiver for inverse transforming two pseudo-orthogonal transmission sequences used for metric calculation and base station selection based thereon
AU4963399A (en) * 1998-07-31 2000-02-21 Ericsson Inc. Free space combining and diversity antenna system for fixed cellular applications

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
MX152176A (es) 1985-06-05
IL67120A0 (en) 1983-02-23
IL67120A (en) 1987-08-31
CA1202085A (en) 1986-03-18
EP0094417A1 (en) 1983-11-23
WO1983001878A1 (en) 1983-05-26

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