GB2277852B - Multiplexer - Google Patents

Multiplexer

Info

Publication number
GB2277852B
GB2277852B GB9309449A GB9309449A GB2277852B GB 2277852 B GB2277852 B GB 2277852B GB 9309449 A GB9309449 A GB 9309449A GB 9309449 A GB9309449 A GB 9309449A GB 2277852 B GB2277852 B GB 2277852B
Authority
GB
United Kingdom
Prior art keywords
multiplexer
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
GB9309449A
Other versions
GB9309449D0 (en
GB2277852A (en
Inventor
Geoffrey Chopping
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.)
GPT Ltd
Plessey Telecommunications Ltd
Original Assignee
GPT Ltd
Plessey Telecommunications 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 GPT Ltd, Plessey Telecommunications Ltd filed Critical GPT Ltd
Priority to GB9309449A priority Critical patent/GB2277852B/en
Publication of GB9309449D0 publication Critical patent/GB9309449D0/en
Priority to PCT/GB1994/000980 priority patent/WO1994027387A2/en
Priority to EP94914477A priority patent/EP0649581A1/en
Publication of GB2277852A publication Critical patent/GB2277852A/en
Priority to US08/867,991 priority patent/US5793760A/en
Application granted granted Critical
Publication of GB2277852B publication Critical patent/GB2277852B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/08—Intermediate station arrangements, e.g. for branching, for tapping-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
    • H04J3/1617—Synchronous digital hierarchy [SDH] or SONET carrying packets or ATM cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/24—Time-division multiplex systems in which the allocation is indicated by an address the different channels being transmitted sequentially
    • H04J3/247—ATM or packet multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0046—User Network Interface
    • H04J2203/005—Terminal equipment, e.g. codecs, synch
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems 
    • H04L12/56—Packet switching systems
    • H04L12/5601—Transfer mode dependent, e.g. ATM
    • H04L2012/5672—Multiplexing, e.g. coding, scrambling

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB9309449A 1993-05-07 1993-05-07 Multiplexer Expired - Fee Related GB2277852B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9309449A GB2277852B (en) 1993-05-07 1993-05-07 Multiplexer
PCT/GB1994/000980 WO1994027387A2 (en) 1993-05-07 1994-05-06 Multiplex formats for atm
EP94914477A EP0649581A1 (en) 1993-05-07 1994-05-06 Multiplex formats for atm
US08/867,991 US5793760A (en) 1993-05-07 1997-06-03 Method of multiplexing and a multiplexer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9309449A GB2277852B (en) 1993-05-07 1993-05-07 Multiplexer

Publications (3)

Publication Number Publication Date
GB9309449D0 GB9309449D0 (en) 1993-06-23
GB2277852A GB2277852A (en) 1994-11-09
GB2277852B true GB2277852B (en) 1997-11-26

Family

ID=10735108

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309449A Expired - Fee Related GB2277852B (en) 1993-05-07 1993-05-07 Multiplexer

Country Status (3)

Country Link
EP (1) EP0649581A1 (en)
GB (1) GB2277852B (en)
WO (1) WO1994027387A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9501116D0 (en) * 1995-01-20 1995-03-08 Plessey Telecomm Asynchronous and plesiochronous transfer mode traffic
WO1997018649A1 (en) * 1995-11-14 1997-05-22 Dsc Communications Corporation Method and apparatus for multiplexing tdm and atm signals over a communications link
US5815490A (en) * 1995-11-20 1998-09-29 Nec America, Inc. SDH ring high order path management
US6205143B1 (en) * 1996-03-14 2001-03-20 Telefonaktiebolaget L M Ericsson System supporting variable bandwidth asynchronous transfer mode network access for wireline and wireless communications
GB2311440A (en) * 1996-03-22 1997-09-24 Northern Telecom Ltd Communications network in which synchronous and asynchronous traffic is identified and separated at each node
US5841762A (en) * 1996-03-29 1998-11-24 British Telecommunications Public Limited Company Monitoring a synchronous digital hierarchy transmission path
GB9624179D0 (en) * 1996-11-20 1997-01-08 Plessey Telecomm Telecommunications access systems and equipment
GB2319702B (en) * 1996-11-20 2000-11-29 Gpt Ltd Telecommunications access systems and equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168927A2 (en) * 1984-07-17 1986-01-22 Stc Plc Data transmission system
GB2162721A (en) * 1984-08-01 1986-02-05 Stc Plc Transmission system
EP0202205A1 (en) * 1985-04-30 1986-11-20 Telefonaktiebolaget L M Ericsson Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information
EP0214352A1 (en) * 1985-08-13 1987-03-18 International Business Machines Corporation Adaptive packet/circuit switched transportation method and system
EP0250160A2 (en) * 1986-06-20 1987-12-23 AT&T Corp. Combined circuit switch and packet switching system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06105893B2 (en) * 1987-06-11 1994-12-21 日本電気株式会社 Frame configuration method
DE3720799A1 (en) * 1987-06-24 1989-01-05 Standard Elektrik Lorenz Ag Integrated-services broadband time-division multiplex communication system
AU627953B2 (en) * 1989-11-15 1992-09-03 Digital Equipment Corporation Integrated communications link having dynamically allocatable bandwidth and a protocol for transmission or allocation information over the link
FR2657480B1 (en) * 1990-01-22 1992-04-10 Alcatel Business Systems BYTE TRANSMISSION METHOD USING A SYNCHRONOUS FRAME ASSOCIATING ASYNCHRONOUS CELLS WITH ISOCHRONOUS CHANNELS.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168927A2 (en) * 1984-07-17 1986-01-22 Stc Plc Data transmission system
GB2162721A (en) * 1984-08-01 1986-02-05 Stc Plc Transmission system
EP0202205A1 (en) * 1985-04-30 1986-11-20 Telefonaktiebolaget L M Ericsson Telecommunication system for alternatingly transmitting circuit-switched and packet-switched information
EP0214352A1 (en) * 1985-08-13 1987-03-18 International Business Machines Corporation Adaptive packet/circuit switched transportation method and system
EP0250160A2 (en) * 1986-06-20 1987-12-23 AT&T Corp. Combined circuit switch and packet switching system

Also Published As

Publication number Publication date
GB9309449D0 (en) 1993-06-23
WO1994027387A3 (en) 1995-01-05
EP0649581A1 (en) 1995-04-26
WO1994027387A2 (en) 1994-11-24
GB2277852A (en) 1994-11-09

Similar Documents

Publication Publication Date Title
DE69433664D1 (en) Foetal-sensor
DE69400639D1 (en) Rehydratationsgetraenk
DE69426415D1 (en) Intrapulmonares hormonabgabesystem
DE69421914D1 (en) Ekg-sensor
DE69401926D1 (en) Hydroxamsäurederivate
DE69406448D1 (en) Luftreinigungsgerät
DE69405713D1 (en) Carbonylierungsverfahren
DE69412242D1 (en) Orthopädisches gussmaterial
DE59407177D1 (en) 2-fluorcycloyhexen-derivate
DE69423875D1 (en) Hydrodealkylierungsverfahren
DE59409705D1 (en) 3-methoxy-2-phenyl-acrylsäuremethylester
DE69429512D1 (en) Thermoresistente alpha-1-antitrypsinmütante
DE59408644D1 (en) Jacquardmaschine
GB2277852B (en) Multiplexer
GB2274735B (en) Membraphone
DE69408437D1 (en) Oxychlorierungsverfahren
EP0730584A4 (en) 3-acylaminobenzodiazepines
DE59408733D1 (en) Metallhalogenidentladungslampe
GB2280337B (en) Multiplexer
DE59410065D1 (en) 3-methoxy-2-phenyl-acrylsäuremethylester
GB2256347B (en) Multiplexer
DE69412128D1 (en) Kühlcontainer
DE69425743D1 (en) Faserreaktive anthrachinon-farbstoffe
DE69422299D1 (en) Photographisches reproduktionsgerät
DE69407946D1 (en) Oxychlorierungskatalysator

Legal Events

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

Effective date: 20000507