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FI20030046A7 - Modulointimenetelmä - Google Patents

Modulointimenetelmä Download PDF

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Publication number
FI20030046A7
FI20030046A7 FI20030046A FI20030046A FI20030046A7 FI 20030046 A7 FI20030046 A7 FI 20030046A7 FI 20030046 A FI20030046 A FI 20030046A FI 20030046 A FI20030046 A FI 20030046A FI 20030046 A7 FI20030046 A7 FI 20030046A7
Authority
FI
Finland
Prior art keywords
modulation method
modulated
wireless communication
signal
packet
Prior art date
Application number
FI20030046A
Other languages
English (en)
Swedish (sv)
Other versions
FI20030046L (fi
FI20030046A0 (fi
Inventor
Mauri Honkanen
Arto Palin
Jukka Reunamäki
Heikki Berg
Original Assignee
Nokia 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.)
Filing date
Publication date
Application filed by Nokia Corp filed Critical Nokia Corp
Priority to FI20030046A priority Critical patent/FI20030046A7/fi
Publication of FI20030046A0 publication Critical patent/FI20030046A0/fi
Priority to US10/755,871 priority patent/US20040170120A1/en
Publication of FI20030046L publication Critical patent/FI20030046L/fi
Publication of FI20030046A7 publication Critical patent/FI20030046A7/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2042—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states
    • H04L27/205—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states in which the data are represented by the change in phase of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)

Abstract

Nyt esillä oleva keksintö kohdistuu menetelmään signaalin moduloimiseksi lyhyen kantaman langatonta tiedonsiirtoa tarjoavassa järjestelmässä. Menetelmässä signaali lähetetään pakettimuotoisena, missä jokainen paketti käsittää ainakin ensimmäisen osan ja toisen osan. Menetelmässä ensimmäinen osa moduloidaan ensimmäistä modulaatiomenetelmää käyttäen ja toinen osa toista modulaatiomenetelmää käyttäen. Mainittua toista modulaatiomenetelmää alustetaan käyttäen mainittua ensimmäistä osaa. Keksintö kohdistuu lisäksi lähetin/vastaanotinlaitteeseen ja langattomaan tiedonsiirtojärjestelmään, joissa menetelmää sovelletaan. Kuvio 2.
FI20030046A 2003-01-13 2003-01-13 Modulointimenetelmä FI20030046A7 (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20030046A FI20030046A7 (fi) 2003-01-13 2003-01-13 Modulointimenetelmä
US10/755,871 US20040170120A1 (en) 2003-01-13 2004-01-12 Method for modulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20030046A FI20030046A7 (fi) 2003-01-13 2003-01-13 Modulointimenetelmä

Publications (3)

Publication Number Publication Date
FI20030046A0 FI20030046A0 (fi) 2003-01-13
FI20030046L FI20030046L (fi) 2004-07-14
FI20030046A7 true FI20030046A7 (fi) 2004-07-14

Family

ID=8565314

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20030046A FI20030046A7 (fi) 2003-01-13 2003-01-13 Modulointimenetelmä

Country Status (2)

Country Link
US (1) US20040170120A1 (fi)
FI (1) FI20030046A7 (fi)

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Also Published As

Publication number Publication date
FI20030046L (fi) 2004-07-14
US20040170120A1 (en) 2004-09-02
FI20030046A0 (fi) 2003-01-13

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