FI110149B - Flerkavitetsavstämning av utdata från en sändare i ett kommunikationssystem - Google Patents

Flerkavitetsavstämning av utdata från en sändare i ett kommunikationssystem Download PDF

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Publication number
FI110149B
FI110149B FI941009A FI941009A FI110149B FI 110149 B FI110149 B FI 110149B FI 941009 A FI941009 A FI 941009A FI 941009 A FI941009 A FI 941009A FI 110149 B FI110149 B FI 110149B
Authority
FI
Finland
Prior art keywords
frequency
transmitter
transmitters
communication system
base station
Prior art date
Application number
FI941009A
Other languages
English (en)
Finnish (fi)
Other versions
FI941009A (sv
FI941009A0 (sv
Inventor
Stephen L Spear
Michael D Kotzin
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 FI941009A publication Critical patent/FI941009A/sv
Publication of FI941009A0 publication Critical patent/FI941009A0/sv
Application granted granted Critical
Publication of FI110149B publication Critical patent/FI110149B/sv

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • H04B1/7136—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform
    • H04B2001/71362—Arrangements for generation of hop frequencies, e.g. using a bank of frequency sources, using continuous tuning or using a transform using a bank of frequency sources

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)

Claims (6)

1. Basstation (304) i ett frekvenshoppningsbaserat kommunikationssystem, vilken 5 basstation omfattar flera sändare (307 - 309), av vilka var och en sänder signaler med varierande frekvens frän en utgäng, kännetecknadavatt basstationen omfattar: en grupp frekvenskänsliga organ (312-317), vilka är kopplade till utgängen av var och en sändare och vilka selektivt frekvensjusterar den sända signalen, varvid varje 10 frekvenskänsligt organ av de frekvenskänsliga organen är justerat till en fbrutbestämd frekvens och dess utgäng är kopplad till en gemensam antenn (115).
2. Basstation (304) enligt patentkrav 1, kännetecknad avatt vart och ett frekvenskänsligt organ (312 - 317) av de nämnda frekvenskänsliga organen är justerat ·;·. 15 tili en annan frekvens än nägot annat frekvenskänsligt organ i nämnda grupp. • · • * *
3. SändningsfÖrfarande i ett frekvenshoppningsbaserat kommunikationssystem, vid vilket förfarande en första och andra signal med varierande frekvens sänds medelst :' · ‘: sändaren (307) frän utgängen, ,20 kännetecknatavatt förfarandet omfattar följande faser: ’ den första och andra signalen med varierande frekvens frekvensjusteras selektivt för : sändning via en gemensam antenn (115).
, ·. : 4. Förfarande enligt patentkrav 3, kännetecknat avatt den fas, där den första och 25 andra signalen med varierande frekvens selektivt frekvensjusteras, omfattar vidare en fas, där den första och andra signalen med varierande frekvens selektivt frekvensjusteras is 110149 med hjälp av en första och andra fast frekvent hälrumsresonator (312-313), vilka är justerade tili respektive nämnda första och andra varierande frekvens.
5. Förfarande enligt patentkrav 3 eller 4, kännetecknat avatt 5 kommunikationssystemet är ett tidsmultiplexerat (TDMA, time division multiple access) kommunikationssystem.
6. Förfarande enligt patentkrav 5, kännetecknat avatt den fas, där signaler med varierande frekvens förmedlas vidare, vidare omfattar en fas, där signaler med 10 varierande frekvens förmedlas i ett TDMA-tidsintervall. • · • « · • · · · • · · * · 1 • # » · · • 1 t • · 1 · 1 * t » * · · · • · t » • · • · »
FI941009A 1992-07-02 1994-03-02 Flerkavitetsavstämning av utdata från en sändare i ett kommunikationssystem FI110149B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/907,981 US5263047A (en) 1992-07-02 1992-07-02 Multiple cavity tuning of a transmitter output in a communication system
US90798192 1992-07-02
PCT/US1993/005451 WO1994001954A1 (en) 1992-07-02 1993-06-09 Multiple cavity tuning of a transmitter output in a communication system
US9305451 1993-06-09

Publications (3)

Publication Number Publication Date
FI941009A FI941009A (sv) 1994-03-02
FI941009A0 FI941009A0 (sv) 1994-03-02
FI110149B true FI110149B (sv) 2002-11-29

Family

ID=25424960

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941009A FI110149B (sv) 1992-07-02 1994-03-02 Flerkavitetsavstämning av utdata från en sändare i ett kommunikationssystem

Country Status (7)

Country Link
US (2) US5263047A (sv)
EP (1) EP0602213B1 (sv)
CN (1) CN1053542C (sv)
AU (1) AU663604B2 (sv)
DE (1) DE69327570T2 (sv)
FI (1) FI110149B (sv)
WO (1) WO1994001954A1 (sv)

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US5629956A (en) 1994-09-09 1997-05-13 Omnipoint Corporation Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal
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US5627856A (en) 1994-09-09 1997-05-06 Omnipoint Corporation Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
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Also Published As

Publication number Publication date
FI941009A (sv) 1994-03-02
US5408495A (en) 1995-04-18
AU663604B2 (en) 1995-10-12
US5263047A (en) 1993-11-16
CN1085027A (zh) 1994-04-06
EP0602213B1 (en) 2000-01-12
AU4409393A (en) 1994-01-31
DE69327570D1 (de) 2000-02-17
EP0602213A1 (en) 1994-06-22
EP0602213A4 (en) 1994-11-17
FI941009A0 (sv) 1994-03-02
WO1994001954A1 (en) 1994-01-20
CN1053542C (zh) 2000-06-14
DE69327570T2 (de) 2000-08-31

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