GB2283879B - High-speed digital subscriber lines - Google Patents

High-speed digital subscriber lines

Info

Publication number
GB2283879B
GB2283879B GB9421751A GB9421751A GB2283879B GB 2283879 B GB2283879 B GB 2283879B GB 9421751 A GB9421751 A GB 9421751A GB 9421751 A GB9421751 A GB 9421751A GB 2283879 B GB2283879 B GB 2283879B
Authority
GB
United Kingdom
Prior art keywords
digital subscriber
speed digital
subscriber lines
lines
speed
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 - Lifetime
Application number
GB9421751A
Other versions
GB2283879A (en
GB9421751D0 (en
Inventor
David Christopher Chalmers
Frederick Michael Clayton
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
Priority claimed from GB939323337A external-priority patent/GB9323337D0/en
Application filed by GPT Ltd, Plessey Telecommunications Ltd filed Critical GPT Ltd
Priority to GB9421751A priority Critical patent/GB2283879B/en
Publication of GB9421751D0 publication Critical patent/GB9421751D0/en
Publication of GB2283879A publication Critical patent/GB2283879A/en
Application granted granted Critical
Publication of GB2283879B publication Critical patent/GB2283879B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/023—Multiplexing of multicarrier modulation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/143—Two-way operation using the same type of signal, i.e. duplex for modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
GB9421751A 1993-11-11 1994-10-28 High-speed digital subscriber lines Expired - Lifetime GB2283879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9421751A GB2283879B (en) 1993-11-11 1994-10-28 High-speed digital subscriber lines

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939323337A GB9323337D0 (en) 1993-11-11 1993-11-11 High-speed digital subscriber lines
GB9421751A GB2283879B (en) 1993-11-11 1994-10-28 High-speed digital subscriber lines

Publications (3)

Publication Number Publication Date
GB9421751D0 GB9421751D0 (en) 1994-12-14
GB2283879A GB2283879A (en) 1995-05-17
GB2283879B true GB2283879B (en) 1998-02-11

Family

ID=26303851

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9421751A Expired - Lifetime GB2283879B (en) 1993-11-11 1994-10-28 High-speed digital subscriber lines

Country Status (1)

Country Link
GB (1) GB2283879B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2332603B (en) * 1997-12-22 2000-07-19 Lsi Logic Corp Improvements relating to multidirectional communication systems
GB2332602B (en) * 1997-12-22 2000-03-08 Lsi Logic Corp Improvements relating to multidirectional communication systems
US7418030B2 (en) 2004-02-11 2008-08-26 Texas Instruments Incorporated Flexible initialization method for DSL communication systems
US20050232308A1 (en) * 2004-04-19 2005-10-20 Texas Instruments Incorporated Frame alignment and cyclic extension partitioning

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003180A1 (en) * 1984-01-11 1985-07-18 Telebit Corporation Packetized ensemble modem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003180A1 (en) * 1984-01-11 1985-07-18 Telebit Corporation Packetized ensemble modem

Also Published As

Publication number Publication date
GB2283879A (en) 1995-05-17
GB9421751D0 (en) 1994-12-14

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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)
PE20 Patent expired after termination of 20 years

Expiry date: 20141027