BE876621A - Dispositif pour surveiller un transmultiplexeur - Google Patents

Dispositif pour surveiller un transmultiplexeur

Info

Publication number
BE876621A
BE876621A BE0/195460A BE195460A BE876621A BE 876621 A BE876621 A BE 876621A BE 0/195460 A BE0/195460 A BE 0/195460A BE 195460 A BE195460 A BE 195460A BE 876621 A BE876621 A BE 876621A
Authority
BE
Belgium
Prior art keywords
transmultiplexer
monitoring
Prior art date
Application number
BE0/195460A
Other languages
English (en)
French (fr)
Original Assignee
Trt Telecom Radio Electr
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 Trt Telecom Radio Electr filed Critical Trt Telecom Radio Electr
Publication of BE876621A publication Critical patent/BE876621A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/16—Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
BE0/195460A 1978-05-29 1979-05-29 Dispositif pour surveiller un transmultiplexeur BE876621A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7815891A FR2427743A1 (fr) 1978-05-29 1978-05-29 Dispositif de surveillance d'un transmultiplexeur

Publications (1)

Publication Number Publication Date
BE876621A true BE876621A (fr) 1979-11-29

Family

ID=9208778

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/195460A BE876621A (fr) 1978-05-29 1979-05-29 Dispositif pour surveiller un transmultiplexeur

Country Status (9)

Country Link
US (1) US4304000A (xx)
JP (1) JPS54156411A (xx)
AU (1) AU526123B2 (xx)
BE (1) BE876621A (xx)
CA (1) CA1146679A (xx)
DE (1) DE2920849A1 (xx)
FR (1) FR2427743A1 (xx)
GB (1) GB2021903B (xx)
SE (1) SE439085B (xx)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3041701C2 (de) * 1980-11-05 1986-01-02 ANT Nachrichtentechnik GmbH, 7150 Backnang Verfahren zur Einkopplung der Pilottöne bei der Umsetzung von Zeitmultiplex-Signalen in Frequenzmultiplex-Signale
US4715029A (en) * 1986-07-02 1987-12-22 Hughes Aircraft Company FDMA communications channel synchronizer
US4747095A (en) * 1986-07-02 1988-05-24 Hughes Aircraft Company Saw demodulator employing corrective feedback timing
US4796253A (en) * 1986-07-03 1989-01-03 Hughes Aircraft Company Time base converter employing two reference position phase lock loop
US4719619A (en) * 1986-07-03 1988-01-12 Hughes Aircraft Company Synchronizer for communications processor
US5274627A (en) * 1991-07-10 1993-12-28 International Telecommunications Satellite Organization Non-regenerative multibeam satellite communications system with FDMA access and SSTDM connectivity
US6552832B1 (en) 1996-10-07 2003-04-22 Telesector Resources Group, Inc. Telecommunications system including transmultiplexer installed between digital switch and optical signal transmission fiber
JP2000022658A (ja) * 1998-06-26 2000-01-21 Hitachi Denshi Ltd 複数搬送波変調方式
US8335202B2 (en) * 2006-11-20 2012-12-18 Qualcomm Incorporated Sending pilots on secondary channels for improved acquisition and handoff in cellular communication
US8937900B2 (en) 2010-07-20 2015-01-20 Qualcomm Incorporated Enhancing pilot channel transmission in TD-SCDMA multicarrier systems using secondary carrier frequencies

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH495094A (de) * 1968-08-12 1970-08-15 Standard Telephon & Radio Ag Verfahren zur Überwachung der Arbeitsweise von Coder- und Decoderschaltungen in einer PCM-Zeitmultiplex-Anlage
FR2188920A5 (xx) * 1972-06-15 1974-01-18 Trt Telecom Radio Electr
FR2287811A1 (fr) * 1974-10-08 1976-05-07 Cit Alcatel Regulateur de niveau de type numerique
FR2303326A1 (fr) * 1975-03-05 1976-10-01 Trt Telecom Radio Electr Dispositif de calcul de transformee de fourier discrete
SE382730B (sv) * 1975-04-04 1976-02-09 Ericsson Telefon Ab L M Minnesenhet for pilotmottagaren i ett berfrekvenssystem
FR2315809A1 (fr) * 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence

Also Published As

Publication number Publication date
JPS54156411A (en) 1979-12-10
AU4735679A (en) 1979-12-06
CA1146679A (en) 1983-05-17
US4304000A (en) 1981-12-01
SE7904514L (sv) 1979-11-30
AU526123B2 (en) 1982-12-16
GB2021903A (en) 1979-12-05
SE439085B (sv) 1985-05-28
JPS6310619B2 (xx) 1988-03-08
FR2427743A1 (fr) 1979-12-28
FR2427743B1 (xx) 1980-11-07
DE2920849A1 (de) 1979-12-13
GB2021903B (en) 1982-09-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TELECOMMUNICATIONS RADIOELECTRIQUES ET TELEPHONIQ

Effective date: 19860531