GB2256776B - Maintenance terminal unit loopback facility - Google Patents

Maintenance terminal unit loopback facility

Info

Publication number
GB2256776B
GB2256776B GB9110258A GB9110258A GB2256776B GB 2256776 B GB2256776 B GB 2256776B GB 9110258 A GB9110258 A GB 9110258A GB 9110258 A GB9110258 A GB 9110258A GB 2256776 B GB2256776 B GB 2256776B
Authority
GB
United Kingdom
Prior art keywords
terminal unit
maintenance terminal
unit loopback
facility
loopback facility
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
GB9110258A
Other languages
English (en)
Other versions
GB2256776A (en
GB9110258D0 (en
Inventor
Michael Dumbrill
Ian Bendle
Moi Yeong
Richard George
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.)
Motorola Solutions UK Ltd
Original Assignee
Motorola Ltd
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 Ltd filed Critical Motorola Ltd
Priority to GB9110258A priority Critical patent/GB2256776B/en
Publication of GB9110258D0 publication Critical patent/GB9110258D0/en
Priority to GB9207811A priority patent/GB2255881B/en
Priority to ITRM920344A priority patent/IT1254354B/it
Priority to FR9205701A priority patent/FR2678793A1/fr
Priority to DE4215422A priority patent/DE4215422A1/de
Publication of GB2256776A publication Critical patent/GB2256776A/en
Priority to FR9400256A priority patent/FR2700227B1/fr
Application granted granted Critical
Publication of GB2256776B publication Critical patent/GB2256776B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/15—Performance testing
    • H04B17/16—Test equipment located at the transmitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB9110258A 1991-05-11 1991-05-11 Maintenance terminal unit loopback facility Expired - Fee Related GB2256776B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB9110258A GB2256776B (en) 1991-05-11 1991-05-11 Maintenance terminal unit loopback facility
GB9207811A GB2255881B (en) 1991-05-11 1992-04-09 Remote basestation diagnostic subsystem loopback facility
ITRM920344A IT1254354B (it) 1991-05-11 1992-05-07 Apparecchio di ricircolo (loopback) di segnali per il sottosistema diagnostico di una stazione radio di base remota.
DE4215422A DE4215422A1 (de) 1991-05-11 1992-05-11 Rueckfuehrungseinrichtung fuer ein diagnose-untersystem fuer eine entfernte basisstation
FR9205701A FR2678793A1 (fr) 1991-05-11 1992-05-11 Equipement d'infrastructure pour systeme radio cellulaire permettant un bouclage sur un sous-systeme de diagnostic de station de base eloignee.
FR9400256A FR2700227B1 (fr) 1991-05-11 1994-01-12 Equipement d'infrastructure pour systeme radio cellulaire permettant un bouclage sur un sous-systeme de diagnostic de station de base eloignee.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9110258A GB2256776B (en) 1991-05-11 1991-05-11 Maintenance terminal unit loopback facility

Publications (3)

Publication Number Publication Date
GB9110258D0 GB9110258D0 (en) 1991-07-03
GB2256776A GB2256776A (en) 1992-12-16
GB2256776B true GB2256776B (en) 1995-08-23

Family

ID=10694862

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9110258A Expired - Fee Related GB2256776B (en) 1991-05-11 1991-05-11 Maintenance terminal unit loopback facility
GB9207811A Expired - Fee Related GB2255881B (en) 1991-05-11 1992-04-09 Remote basestation diagnostic subsystem loopback facility

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9207811A Expired - Fee Related GB2255881B (en) 1991-05-11 1992-04-09 Remote basestation diagnostic subsystem loopback facility

Country Status (4)

Country Link
DE (1) DE4215422A1 (US06432973-20020813-C00010.png)
FR (2) FR2678793A1 (US06432973-20020813-C00010.png)
GB (2) GB2256776B (US06432973-20020813-C00010.png)
IT (1) IT1254354B (US06432973-20020813-C00010.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205239A1 (de) * 1992-02-21 1993-08-26 Sel Alcatel Ag Mobiles testgeraet fuer ein mobilfunk-system
FI940705A (fi) * 1993-09-14 1995-03-15 Nokia Telecommunications Oy Menetelmä tukiaseman radiokanavien valvomiseksi
US5521904A (en) * 1993-12-07 1996-05-28 Telefonaktiebolaget Lm Ericsson Method and apparatus for testing a base station in a time division multiple access radio communications system
FI97660C (fi) * 1994-07-20 1997-01-27 Nokia Telecommunications Oy Menetelmä radiojärjestelmän tukiasemaympäristön häiriötason mittaamiseksi, sekä solukkoradiojärjestelmä
EP0696151A3 (de) * 1994-08-05 1999-02-17 Ascom Business Systems Ag Vorrichtung zum Bestimmen das Montageplatzes einer Basisstation
US5768689A (en) * 1995-04-03 1998-06-16 Telefonaktiebolaget Lm Ericsson Transceiver tester
FI98259C (fi) * 1995-06-16 1997-05-12 Nokia Telecommunications Oy Menetelmä ja laitteisto testisilmukan muodostamiseksi radioaseman toiminnan valvontaan
KR0169453B1 (ko) * 1996-04-19 1999-02-01 김광호 셀 반경 설정장치 및 방법
FR2767991B1 (fr) * 1997-09-04 1999-10-15 Alsthom Cge Alcatel Procede de calibrage de chaines de reception et/ou d'emission pilotant un reseau d'antennes actives, et station mobile correspondante
US6148010A (en) 1998-06-24 2000-11-14 Qualcomm Incorporated Method and apparatus for distributing and consolidating data packets onto multiple network interfaces
WO2000016514A1 (en) * 1998-09-11 2000-03-23 Qualcomm Incorporated Loopback processing method and apparatus
KR100376298B1 (ko) * 1999-09-13 2003-03-17 가부시끼가이샤 도시바 무선통신시스템
US7053763B2 (en) 2002-05-24 2006-05-30 Cingular Wireless Ii, Llc System and method for alarm monitoring
FR2912577B1 (fr) * 2007-02-13 2010-09-17 Thales Sa Dispositif et procede de diagnostic d'un module de radiocommunication,notamment adapte aux equipements fixes de radiocommunication compris dans les systemes de tele peage.

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935752A (en) * 1958-12-13 1963-09-04 Emi Ltd Improvements in or relating to variable time delay apparatus
US3637954A (en) * 1969-05-22 1972-01-25 Bell Telephone Labor Inc Method and apparatus for dynamic testing of echo suppressors in telephone trunk systems
GB1372632A (en) * 1971-03-10 1974-11-06 Lee F F Signal processing apparatus
GB2093667A (en) * 1981-02-06 1982-09-02 Eventide Clockworks Inc Broadcast delay line
GB2158326A (en) * 1984-04-26 1985-11-06 Standard Telephones Cables Ltd Testing arrangements of a digital switching systems
US4686668A (en) * 1984-05-08 1987-08-11 Nec Corporation Loopback of a PCM signal with loopback command signal bits placed in each frame of the signal as predetermined ones of overhead bits
US4860281A (en) * 1988-02-29 1989-08-22 Motorola, Inc. Individual subchannel loopback in the PCM interfaces of a digital telephone exchange with control of the outbound path

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3583052D1 (de) * 1984-03-30 1991-07-11 Siemens Ag Schaltungsanordnung zum pruefen der funktionsfaehigkeit einer datenuebertragunseinrichtung.
US4829554A (en) * 1985-01-31 1989-05-09 Harris Corporation Cellular mobile telephone system and method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB935752A (en) * 1958-12-13 1963-09-04 Emi Ltd Improvements in or relating to variable time delay apparatus
US3637954A (en) * 1969-05-22 1972-01-25 Bell Telephone Labor Inc Method and apparatus for dynamic testing of echo suppressors in telephone trunk systems
GB1372632A (en) * 1971-03-10 1974-11-06 Lee F F Signal processing apparatus
GB2093667A (en) * 1981-02-06 1982-09-02 Eventide Clockworks Inc Broadcast delay line
GB2158326A (en) * 1984-04-26 1985-11-06 Standard Telephones Cables Ltd Testing arrangements of a digital switching systems
US4686668A (en) * 1984-05-08 1987-08-11 Nec Corporation Loopback of a PCM signal with loopback command signal bits placed in each frame of the signal as predetermined ones of overhead bits
US4860281A (en) * 1988-02-29 1989-08-22 Motorola, Inc. Individual subchannel loopback in the PCM interfaces of a digital telephone exchange with control of the outbound path

Also Published As

Publication number Publication date
DE4215422A1 (de) 1992-11-12
GB2255881B (en) 1995-07-05
GB2256776A (en) 1992-12-16
ITRM920344A0 (it) 1992-05-07
FR2700227B1 (fr) 1996-10-31
IT1254354B (it) 1995-09-14
GB9110258D0 (en) 1991-07-03
FR2678793B1 (US06432973-20020813-C00010.png) 1995-05-19
ITRM920344A1 (it) 1993-11-07
GB2255881A (en) 1992-11-18
GB9207811D0 (en) 1992-05-27
FR2700227A1 (fr) 1994-07-08
FR2678793A1 (fr) 1993-01-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020511