FI942784A0 - Tillämpningar för samtidig och digital kommunikation - Google Patents

Tillämpningar för samtidig och digital kommunikation

Info

Publication number
FI942784A0
FI942784A0 FI942784A FI942784A FI942784A0 FI 942784 A0 FI942784 A0 FI 942784A0 FI 942784 A FI942784 A FI 942784A FI 942784 A FI942784 A FI 942784A FI 942784 A0 FI942784 A0 FI 942784A0
Authority
FI
Finland
Prior art keywords
simultaneous
applications
digital communication
digital
communication
Prior art date
Application number
FI942784A
Other languages
English (en)
Finnish (fi)
Other versions
FI942784A (sv
Inventor
Stanley Bottoms
Gordon Bremer
Joseph Quinn Chapman
William Roger Davis
Kenneth David Ko
D Randy Roberson
Luke J Smithwich
Richard Kent Smith
Original Assignee
At & T 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 At & T Corp filed Critical At & T Corp
Publication of FI942784A0 publication Critical patent/FI942784A0/sv
Publication of FI942784A publication Critical patent/FI942784A/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/345—Modifications of the signal space to allow the transmission of additional information
    • H04L27/3461—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel
    • H04L27/3483—Modifications of the signal space to allow the transmission of additional information in order to transmit a subchannel using a modulation of the constellation points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J7/00—Multiplex systems in which the amplitudes or durations of the signals in individual channels are characteristic of those channels
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Telephonic Communication Services (AREA)
FI942784A 1993-06-14 1994-06-13 Tillämpningar för samtidig och digital kommunikation FI942784A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/076,520 US5537436A (en) 1993-06-14 1993-06-14 Simultaneous analog and digital communication applications

Publications (2)

Publication Number Publication Date
FI942784A0 true FI942784A0 (sv) 1994-06-13
FI942784A FI942784A (sv) 1994-12-15

Family

ID=22132533

Family Applications (1)

Application Number Title Priority Date Filing Date
FI942784A FI942784A (sv) 1993-06-14 1994-06-13 Tillämpningar för samtidig och digital kommunikation

Country Status (8)

Country Link
US (1) US5537436A (sv)
EP (1) EP0631421A1 (sv)
JP (1) JPH0799512A (sv)
KR (1) KR950002312A (sv)
CN (1) CN1099209A (sv)
CA (1) CA2124730A1 (sv)
FI (1) FI942784A (sv)
IL (1) IL109998A (sv)

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Also Published As

Publication number Publication date
EP0631421A1 (en) 1994-12-28
FI942784A (sv) 1994-12-15
US5537436A (en) 1996-07-16
KR950002312A (ko) 1995-01-04
CA2124730A1 (en) 1994-12-15
IL109998A0 (en) 1994-10-07
IL109998A (en) 1996-10-31
JPH0799512A (ja) 1995-04-11
CN1099209A (zh) 1995-02-22

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Legal Events

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FD Application lapsed