DE3486079T2 - DIGITAL SIGNAL PROCESSING MODEM. - Google Patents

DIGITAL SIGNAL PROCESSING MODEM.

Info

Publication number
DE3486079T2
DE3486079T2 DE8484903394T DE3486079T DE3486079T2 DE 3486079 T2 DE3486079 T2 DE 3486079T2 DE 8484903394 T DE8484903394 T DE 8484903394T DE 3486079 T DE3486079 T DE 3486079T DE 3486079 T2 DE3486079 T2 DE 3486079T2
Authority
DE
Germany
Prior art keywords
signal processing
digital signal
processing modem
modem
digital
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE8484903394T
Other languages
German (de)
Other versions
DE3486079D1 (en
Inventor
Y Leung
A Waldron
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DATATREK CORP
Original Assignee
DATATREK 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
Priority claimed from US06/530,690 external-priority patent/US4620294A/en
Application filed by DATATREK CORP filed Critical DATATREK CORP
Publication of DE3486079D1 publication Critical patent/DE3486079D1/en
Application granted granted Critical
Publication of DE3486079T2 publication Critical patent/DE3486079T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
DE8484903394T 1983-09-09 1984-09-05 DIGITAL SIGNAL PROCESSING MODEM. Expired - Fee Related DE3486079T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/530,690 US4620294A (en) 1983-09-09 1983-09-09 Digital signal processor modem
PCT/US1984/001395 WO1985001407A1 (en) 1983-09-09 1984-09-05 Digital signal processor modem

Publications (2)

Publication Number Publication Date
DE3486079D1 DE3486079D1 (en) 1993-04-01
DE3486079T2 true DE3486079T2 (en) 1993-07-22

Family

ID=26770398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484903394T Expired - Fee Related DE3486079T2 (en) 1983-09-09 1984-09-05 DIGITAL SIGNAL PROCESSING MODEM.

Country Status (1)

Country Link
DE (1) DE3486079T2 (en)

Also Published As

Publication number Publication date
DE3486079D1 (en) 1993-04-01

Similar Documents

Publication Publication Date Title
DE3485792T2 (en) DIGITAL SIGNAL PROCESSING DEVICES.
DE3885775D1 (en) Digital signal processor.
FI844574A0 (en) RESERVANORDNING FOER EN ABONNENTTERMINAL I EN DIGITAL KONCENTRATOR.
DE3851858D1 (en) Digital signal processor.
DE3485935T2 (en) RECURSIVE DIGITAL FILTER.
DE3789731D1 (en) Digital video signal processor.
GB8412562D0 (en) Digital signal processing
DE3381326D1 (en) DIGITAL SIGNAL PROCESSING DEVICE.
DE3484302D1 (en) DIGITAL COMPUTER ARRANGEMENT.
DE258584T1 (en) MODEM WITH DIGITAL SIGNAL PROCESSOR.
DE3482641D1 (en) SIGNAL PROCESSING CIRCUIT.
FI842926A0 (en) Signal processing circuit.
DE3771236D1 (en) DIGITAL IMAGE PROCESSING.
FI843115A0 (en) DIGITAL SATELLITCENTRAL.
DE3480895D1 (en) SIGNAL PROCESSING CIRCUITS.
DE3485489D1 (en) SIGNAL PROCESSING ARRANGEMENT.
GB2109135B (en) Digital signal processing
DE3585584D1 (en) DIGITAL VIDEO SIGNAL PROCESSING SYSTEM.
NL193336B (en) Video signal processing device.
NO862602D0 (en) VOCODES BUILT INTO DIGITAL SIGNAL PROCESSING DEVICES.
NL192143B (en) Digital signal processing circuit.
DK144682A (en) DIGITAL SIGNAL PROCESSING EQUIPMENT
DE3583128D1 (en) DIGITAL SIGNAL PROCESSING DEVICE.
DE3486079T2 (en) DIGITAL SIGNAL PROCESSING MODEM.
DE3882320D1 (en) DIGITAL SIGNAL PROCESSING DEVICE.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee