ITRM920344A0 - SIGNAL RECIRCULATOR (LOOPBACK) EQUIPMENT FOR THE DIAGNOSTIC SUBSYSTEM OF A REMOTE RADIO BASE STATION. - Google Patents

SIGNAL RECIRCULATOR (LOOPBACK) EQUIPMENT FOR THE DIAGNOSTIC SUBSYSTEM OF A REMOTE RADIO BASE STATION.

Info

Publication number
ITRM920344A0
ITRM920344A0 IT92RM344A ITRM920344A ITRM920344A0 IT RM920344 A0 ITRM920344 A0 IT RM920344A0 IT 92RM344 A IT92RM344 A IT 92RM344A IT RM920344 A ITRM920344 A IT RM920344A IT RM920344 A0 ITRM920344 A0 IT RM920344A0
Authority
IT
Italy
Prior art keywords
recirculator
loopback
equipment
base station
signal
Prior art date
Application number
IT92RM344A
Other languages
Italian (it)
Inventor
Michael Dumbrill
Ian Bendle
Moi Yeong
Richard George
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
Publication of ITRM920344A0 publication Critical patent/ITRM920344A0/en
Publication of ITRM920344A1 publication Critical patent/ITRM920344A1/en
Application granted granted Critical
Publication of IT1254354B publication Critical patent/IT1254354B/en

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)
ITRM920344A 1991-05-11 1992-05-07 SIGNAL RECIRCULATING EQUIPMENT (LOOPBACK) FOR THE DIAGNOSTIC SUBSYSTEM OF A REMOTE BASE RADIO STATION. IT1254354B (en)

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
ITRM920344A0 true ITRM920344A0 (en) 1992-05-07
ITRM920344A1 ITRM920344A1 (en) 1993-11-07
IT1254354B IT1254354B (en) 1995-09-14

Family

ID=10694862

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM920344A IT1254354B (en) 1991-05-11 1992-05-07 SIGNAL RECIRCULATING EQUIPMENT (LOOPBACK) FOR THE DIAGNOSTIC SUBSYSTEM OF A REMOTE BASE RADIO STATION.

Country Status (4)

Country Link
DE (1) DE4215422A1 (en)
FR (2) FR2678793A1 (en)
GB (2) GB2256776B (en)
IT (1) IT1254354B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205239A1 (en) * 1992-02-21 1993-08-26 Sel Alcatel Ag MOBILE TEST DEVICE FOR A MOBILE RADIO SYSTEM
FI940705A (en) * 1993-09-14 1995-03-15 Nokia Telecommunications Oy A method for monitoring base station radio channels
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 (en) * 1994-07-20 1997-01-27 Nokia Telecommunications Oy A method for measuring noise levels in the vicinity of a base station in a radio system, as well as a cellular radio system
EP0696151A3 (en) * 1994-08-05 1999-02-17 Ascom Business Systems Ag Arrangement for determining a base station site
US5768689A (en) * 1995-04-03 1998-06-16 Telefonaktiebolaget Lm Ericsson Transceiver tester
FI98259C (en) * 1995-06-16 1997-05-12 Nokia Telecommunications Oy Method and apparatus for providing a test loop to monitor the operation of a radio station
KR0169453B1 (en) * 1996-04-19 1999-02-01 김광호 Apparatus and method for cell range decision
FR2767991B1 (en) * 1997-09-04 1999-10-15 Alsthom Cge Alcatel METHOD FOR CALIBRATION OF RECEPTION AND/OR TRANSMISSION CHAINS CONTROLLING A NETWORK OF ACTIVE ANTENNAS, AND CORRESPONDING MOBILE STATION
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 (en) 1999-09-13 2003-03-17 가부시끼가이샤 도시바 Radio communication system
US7053763B2 (en) 2002-05-24 2006-05-30 Cingular Wireless Ii, Llc System and method for alarm monitoring
FR2912577B1 (en) * 2007-02-13 2010-09-17 Thales Sa DEVICE AND METHOD FOR DIAGNOSING A RADIO COMMUNICATION MODULE, ESPECIALLY ADAPTED TO FIXED RADIO COMMUNICATION EQUIPMENT INCLUDED IN TELEPHONE SYSTEMS.

Family Cites Families (9)

* 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
US3736514A (en) * 1971-03-10 1973-05-29 F Lee Signal processing apparatus
GB2093667B (en) * 1981-02-06 1984-09-19 Eventide Clockworks Inc Broadcast delay line
EP0156315B1 (en) * 1984-03-30 1991-06-05 Siemens Aktiengesellschaft Circuit for testing the correct operation of a data transmission system
GB2158326B (en) * 1984-04-26 1987-08-26 Standard Telephones Cables Ltd Testing arrangements of a digital switching systems
JPS60235545A (en) * 1984-05-08 1985-11-22 Nec Corp Signal reflecting system in pcm transmission system
US4829554A (en) * 1985-01-31 1989-05-09 Harris Corporation Cellular mobile telephone system and method
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
FR2678793A1 (en) 1993-01-08
FR2678793B1 (en) 1995-05-19
FR2700227A1 (en) 1994-07-08
IT1254354B (en) 1995-09-14
GB9207811D0 (en) 1992-05-27
ITRM920344A1 (en) 1993-11-07
FR2700227B1 (en) 1996-10-31
DE4215422A1 (en) 1992-11-12
GB2255881A (en) 1992-11-18
GB2256776B (en) 1995-08-23
GB2256776A (en) 1992-12-16
GB9110258D0 (en) 1991-07-03
GB2255881B (en) 1995-07-05

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