GB2358323B - System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network - Google Patents

System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network

Info

Publication number
GB2358323B
GB2358323B GB0108666A GB0108666A GB2358323B GB 2358323 B GB2358323 B GB 2358323B GB 0108666 A GB0108666 A GB 0108666A GB 0108666 A GB0108666 A GB 0108666A GB 2358323 B GB2358323 B GB 2358323B
Authority
GB
United Kingdom
Prior art keywords
characterizing
detecting
communications network
deterministic distortion
mitigating
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
GB0108666A
Other versions
GB0108666D0 (en
GB2358323A (en
Inventor
Vedat M Eyuboglu
Arthur J Barabell
Pierre A Humblet
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 US08/730,433 external-priority patent/US5875229A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of GB0108666D0 publication Critical patent/GB0108666D0/en
Publication of GB2358323A publication Critical patent/GB2358323A/en
Application granted granted Critical
Publication of GB2358323B publication Critical patent/GB2358323B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4917—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes
    • H04L25/4927—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using multilevel codes using levels matched to the quantisation levels of the channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Telephonic Communication Services (AREA)
GB0108666A 1996-10-15 1997-10-15 System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network Expired - Fee Related GB2358323B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/730,433 US5875229A (en) 1996-10-15 1996-10-15 System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network
GB9907894A GB2333662B (en) 1996-10-15 1997-10-15 System and device for,and method of,detecting,characterizing, and mitigating deterministic distortion in a communications network

Publications (3)

Publication Number Publication Date
GB0108666D0 GB0108666D0 (en) 2001-05-30
GB2358323A GB2358323A (en) 2001-07-18
GB2358323B true GB2358323B (en) 2001-08-29

Family

ID=26315388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0108666A Expired - Fee Related GB2358323B (en) 1996-10-15 1997-10-15 System and device for, and method of, detecting, characterizing, and mitigating deterministic distortion in a communications network

Country Status (1)

Country Link
GB (1) GB2358323B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023927B2 (en) 2002-04-12 2006-04-04 Texas Instruments Incorporated Constellation design for PCM upstream modulation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040191A (en) * 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
US5490199A (en) * 1992-02-21 1996-02-06 At&T Corp. Non-intrusive network-based analysis of facsimile transmissions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040191A (en) * 1987-02-24 1991-08-13 Codex Corporation Partial response channel signaling systems
US5490199A (en) * 1992-02-21 1996-02-06 At&T Corp. Non-intrusive network-based analysis of facsimile transmissions

Also Published As

Publication number Publication date
GB0108666D0 (en) 2001-05-30
GB2358323A (en) 2001-07-18

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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)

Free format text: REGISTERED BETWEEN 20110120 AND 20110126

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20151015