JPS567556A - Remote testing device for modem having different receiving speed from transmitting speed - Google Patents

Remote testing device for modem having different receiving speed from transmitting speed

Info

Publication number
JPS567556A
JPS567556A JP8670480A JP8670480A JPS567556A JP S567556 A JPS567556 A JP S567556A JP 8670480 A JP8670480 A JP 8670480A JP 8670480 A JP8670480 A JP 8670480A JP S567556 A JPS567556 A JP S567556A
Authority
JP
Japan
Prior art keywords
speed
modem
testing device
different receiving
remote testing
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.)
Pending
Application number
JP8670480A
Other languages
English (en)
Inventor
Jiyan Nauhofu Paaku
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 Nederlanden Staat filed Critical Nederlanden Staat
Publication of JPS567556A publication Critical patent/JPS567556A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H04L1/24—Testing correct operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Dc Digital Transmission (AREA)
JP8670480A 1979-06-28 1980-06-27 Remote testing device for modem having different receiving speed from transmitting speed Pending JPS567556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7905052A NL7905052A (nl) 1979-06-28 1979-06-28 Stelsel voor het op een afstand beproeven van een modem met een van elkaar verschillende zend- en ontvangsnelheid.

Publications (1)

Publication Number Publication Date
JPS567556A true JPS567556A (en) 1981-01-26

Family

ID=19833441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8670480A Pending JPS567556A (en) 1979-06-28 1980-06-27 Remote testing device for modem having different receiving speed from transmitting speed

Country Status (4)

Country Link
EP (1) EP0021544B1 (ja)
JP (1) JPS567556A (ja)
DE (1) DE3061339D1 (ja)
NL (1) NL7905052A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128257A (ja) * 1984-07-17 1986-02-07 Fujitsu Ltd デ−タ回線折返し試験方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094902A3 (de) * 1982-05-14 1985-11-27 Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH Verfahren zum Lokalisieren von Fehlerquellen in digitalen Systemen und Scrambler/Descrambler zur Ausführung des Verfahrens
FR2564621B1 (fr) * 1984-05-18 1987-01-30 Griseri Gerard Equipement de maintenance et de reparation pour terminaux de donnees
US7149188B2 (en) 2000-01-26 2006-12-12 Vyyo, Inc. Distributed processing for optimal QOS in a broadband access system
US6876834B2 (en) 2000-01-26 2005-04-05 Vyyo, Ltd. Power inserter configuration for wireless modems
AU2001237984A1 (en) 2000-01-26 2001-08-07 Vyyo, Ltd. Programmable phy for broadband wireless access systems
US6594467B2 (en) * 2000-01-26 2003-07-15 Vyyo Ltd. Unidirectional communication scheme for remote maintenance and control in a broadband wireless access system
WO2001056194A1 (en) 2000-01-26 2001-08-02 Vyyo, Ltd. Space diversity method and system for broadband wireless access
US6941119B2 (en) 2000-01-26 2005-09-06 Vyyo Ltd. Redundancy scheme for the radio frequency front end of a broadband wireless hub
AU2001231175A1 (en) 2000-01-26 2001-08-07 Vyyo, Ltd. Quality of service scheduling scheme for a broadband wireless access system
AU2001231176A1 (en) 2000-01-26 2001-08-07 Vyyo, Ltd. Offset carrier frequency correction in a two-way broadband wireless access system
US6987754B2 (en) 2000-03-07 2006-01-17 Menashe Shahar Adaptive downstream modulation scheme for broadband wireless access systems
AU4744301A (en) 2000-03-14 2001-09-24 Vyyo Ltd Low-complexity beam forming and antenna diversity receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2814837C2 (de) * 1978-04-06 1980-01-10 Standard Elektrik Lorenz Ag, 7000 Stuttgart Datenmodem, insbesondere für Bildschirmtextbetrieb
DE2838816A1 (de) * 1978-09-06 1980-03-20 Tekade Felten & Guilleaume Schleifentest fuer datenuebertragungsstrecken

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128257A (ja) * 1984-07-17 1986-02-07 Fujitsu Ltd デ−タ回線折返し試験方法

Also Published As

Publication number Publication date
EP0021544A1 (en) 1981-01-07
NL7905052A (nl) 1980-12-30
DE3061339D1 (en) 1983-01-20
EP0021544B1 (en) 1982-12-15

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