GB0512388D0 - Telecommunication network - Google Patents

Telecommunication network

Info

Publication number
GB0512388D0
GB0512388D0 GB0512388A GB0512388A GB0512388D0 GB 0512388 D0 GB0512388 D0 GB 0512388D0 GB 0512388 A GB0512388 A GB 0512388A GB 0512388 A GB0512388 A GB 0512388A GB 0512388 D0 GB0512388 D0 GB 0512388D0
Authority
GB
United Kingdom
Prior art keywords
telecommunication network
telecommunication
network
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.)
Withdrawn
Application number
GB0512388A
Other versions
GB2427518A (en
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.)
M (DGP1) Ltd
Ericsson AB
Original Assignee
Marconi Communications Ltd
Marconi Co 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 Marconi Communications Ltd, Marconi Co Ltd filed Critical Marconi Communications Ltd
Priority to GB0512388A priority Critical patent/GB2427518A/en
Publication of GB0512388D0 publication Critical patent/GB0512388D0/en
Publication of GB2427518A publication Critical patent/GB2427518A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0206—Express channels arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
GB0512388A 2005-06-20 2005-06-20 Optical add-drop multiplexer in which data input at a plurality of different ports is dropped using a common bank of transponders Withdrawn GB2427518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0512388A GB2427518A (en) 2005-06-20 2005-06-20 Optical add-drop multiplexer in which data input at a plurality of different ports is dropped using a common bank of transponders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0512388A GB2427518A (en) 2005-06-20 2005-06-20 Optical add-drop multiplexer in which data input at a plurality of different ports is dropped using a common bank of transponders

Publications (2)

Publication Number Publication Date
GB0512388D0 true GB0512388D0 (en) 2005-07-27
GB2427518A GB2427518A (en) 2006-12-27

Family

ID=34855734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0512388A Withdrawn GB2427518A (en) 2005-06-20 2005-06-20 Optical add-drop multiplexer in which data input at a plurality of different ports is dropped using a common bank of transponders

Country Status (1)

Country Link
GB (1) GB2427518A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106258014B (en) 2015-04-16 2018-12-07 华为技术有限公司 A kind of method of signal processing in add-drop multiplexer and add-drop multiplexer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE509807C2 (en) * 1997-05-15 1999-03-08 Ericsson Telefon Ab L M Device at add / drop node in a path length multiplexed optical communication system.
KR100342516B1 (en) * 2000-10-04 2002-06-28 윤종용 Band-split bidirectional add/drop multiplexer and amplifier module with common mid-stage devices
DE50205521D1 (en) * 2001-03-12 2006-03-30 Adva Ag SELF-HEALING RING STRUCTURE FOR OPTICAL MESSAGE TRANSMISSION IN WAVE LENGTH MULTIPLEX AND ADD / DROP MULTIPLEXER THEREFOR
US20020186432A1 (en) * 2001-06-07 2002-12-12 Roorda Peter David Architecture for a photonic transport network
US20040258411A1 (en) * 2003-06-20 2004-12-23 Jds Uniphase Corporation Node for an optical network

Also Published As

Publication number Publication date
GB2427518A (en) 2006-12-27

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: ERICSSON AB

Free format text: FORMER APPLICANT(S): MARCONI COMMUNICATIONS LIMITED;M (DGP1) LTD

Owner name: M (DGP1) LTD

Free format text: FORMER APPLICANT(S): MARCONI COMMUNICATIONS LIMITED;M (DGP1) LTD

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)