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GB2309618B - A depacketiser and a frame aligner including the depacketiser - Google Patents

A depacketiser and a frame aligner including the depacketiser

Info

Publication number
GB2309618B
GB2309618B GB9626849A GB9626849A GB2309618B GB 2309618 B GB2309618 B GB 2309618B GB 9626849 A GB9626849 A GB 9626849A GB 9626849 A GB9626849 A GB 9626849A GB 2309618 B GB2309618 B GB 2309618B
Authority
GB
United Kingdom
Prior art keywords
depacketiser
frame aligner
aligner including
frame
aligner
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
GB9626849A
Other versions
GB2309618A (en
GB9626849D0 (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
Marconi Communications Ltd
BAE Systems Electronics Ltd
Plessey Telecommunications Ltd
Original Assignee
GPT Ltd
Marconi Communications Ltd
Marconi Co 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, Marconi Communications Ltd, Marconi Co Ltd, Plessey Telecommunications Ltd filed Critical GPT Ltd
Priority to CN97191873.2A priority Critical patent/CN1132351C/en
Priority to PCT/GB1997/000163 priority patent/WO1997027684A1/en
Priority to EP97900688A priority patent/EP0876718B1/en
Priority to AU13153/97A priority patent/AU711395B2/en
Priority to JP52663697A priority patent/JP3772275B2/en
Priority to US09/117,124 priority patent/US6442163B1/en
Priority to DE69727047T priority patent/DE69727047T2/en
Publication of GB9626849D0 publication Critical patent/GB9626849D0/en
Publication of GB2309618A publication Critical patent/GB2309618A/en
Priority to NO983415A priority patent/NO983415L/en
Application granted granted Critical
Publication of GB2309618B publication Critical patent/GB2309618B/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
    • H04J3/06—Synchronising arrangements
    • H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
    • H04J3/0632—Synchronisation of packets and cells, e.g. transmission of voice via a packet network, circuit emulation service [CES]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H04Q11/0478—Provisions for broadband connections
    • 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
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/565—Sequence integrity
    • 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
    • H04L2012/5638—Services, e.g. multimedia, GOS, QOS
    • H04L2012/5646—Cell characteristics, e.g. loss, delay, jitter, sequence integrity
    • H04L2012/5652—Cell construction, e.g. including header, packetisation, depacketisation, assembly, reassembly
    • 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
    • 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
    • H04L2012/5674—Synchronisation, timing recovery or alignment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB9626849A 1996-01-26 1996-12-24 A depacketiser and a frame aligner including the depacketiser Expired - Fee Related GB2309618B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
US09/117,124 US6442163B1 (en) 1996-01-26 1997-01-17 Depacketizer and a frame aligner including the depacketizer
EP97900688A EP0876718B1 (en) 1996-01-26 1997-01-17 A depacketiser and a frame aligner including the depacketiser
AU13153/97A AU711395B2 (en) 1996-01-26 1997-01-17 A depacketiser and a frame aligner including the depacketiser
JP52663697A JP3772275B2 (en) 1996-01-26 1997-01-17 Depacktizer and frame aligner including depacktizer
CN97191873.2A CN1132351C (en) 1996-01-26 1997-01-17 Depacketiser and frame aligner including same
DE69727047T DE69727047T2 (en) 1996-01-26 1997-01-17 DEPACKER AND FRAME BALANCER WITH IT
PCT/GB1997/000163 WO1997027684A1 (en) 1996-01-26 1997-01-17 A depacketiser and a frame aligner including the depacketiser
NO983415A NO983415L (en) 1996-01-26 1998-07-23 Data extractors and frame aligners with such data extractors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9601608A GB9601608D0 (en) 1996-01-26 1996-01-26 A depacketiser and a frame aligner including the depacketiser

Publications (3)

Publication Number Publication Date
GB9626849D0 GB9626849D0 (en) 1997-02-12
GB2309618A GB2309618A (en) 1997-07-30
GB2309618B true GB2309618B (en) 2000-02-23

Family

ID=10787632

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9601608A Pending GB9601608D0 (en) 1996-01-26 1996-01-26 A depacketiser and a frame aligner including the depacketiser
GB9626849A Expired - Fee Related GB2309618B (en) 1996-01-26 1996-12-24 A depacketiser and a frame aligner including the depacketiser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9601608A Pending GB9601608D0 (en) 1996-01-26 1996-01-26 A depacketiser and a frame aligner including the depacketiser

Country Status (1)

Country Link
GB (2) GB9601608D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5426643A (en) * 1993-11-01 1995-06-20 Motorola Inc. Apparatus and method for transmitting bit synchronous data over an unreliable channel
WO1995022233A1 (en) * 1994-02-11 1995-08-17 Newbridge Networks Corporation Method of dynamically compensating for variable transmission delays in packet networks
US5481536A (en) * 1993-10-29 1996-01-02 Siemens Aktiengesellschaft Method for restoring a prescribed sequence for unordered cell streams in ATM switching technology
EP0743773A2 (en) * 1995-05-18 1996-11-20 Rockwell International Corporation Timing recovery scheme for packet speech in multiplexing environment of voice with data applications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481536A (en) * 1993-10-29 1996-01-02 Siemens Aktiengesellschaft Method for restoring a prescribed sequence for unordered cell streams in ATM switching technology
US5426643A (en) * 1993-11-01 1995-06-20 Motorola Inc. Apparatus and method for transmitting bit synchronous data over an unreliable channel
WO1995022233A1 (en) * 1994-02-11 1995-08-17 Newbridge Networks Corporation Method of dynamically compensating for variable transmission delays in packet networks
EP0743773A2 (en) * 1995-05-18 1996-11-20 Rockwell International Corporation Timing recovery scheme for packet speech in multiplexing environment of voice with data applications

Also Published As

Publication number Publication date
GB2309618A (en) 1997-07-30
GB9626849D0 (en) 1997-02-12
GB9601608D0 (en) 1996-03-27

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151224