GB2378103B - Method and apparatus for predistorting data - Google Patents

Method and apparatus for predistorting data

Info

Publication number
GB2378103B
GB2378103B GB0118288A GB0118288A GB2378103B GB 2378103 B GB2378103 B GB 2378103B GB 0118288 A GB0118288 A GB 0118288A GB 0118288 A GB0118288 A GB 0118288A GB 2378103 B GB2378103 B GB 2378103B
Authority
GB
United Kingdom
Prior art keywords
predistorting data
predistorting
data
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
GB0118288A
Other versions
GB2378103A (en
GB0118288D0 (en
Inventor
John David Porter
Stephen David Greaves
Malcolm Paul Sellars
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.)
Cambridge Broadband Ltd
Original Assignee
Cambridge Broadband 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 Cambridge Broadband Ltd filed Critical Cambridge Broadband Ltd
Priority to GB0118288A priority Critical patent/GB2378103B/en
Publication of GB0118288D0 publication Critical patent/GB0118288D0/en
Priority to EP02745654.0A priority patent/EP1415449B1/en
Priority to CN02814549.6A priority patent/CN1533662B/en
Priority to AU2002317367A priority patent/AU2002317367A1/en
Priority to US10/484,557 priority patent/US7787531B2/en
Priority to PCT/GB2002/003303 priority patent/WO2003013087A2/en
Publication of GB2378103A publication Critical patent/GB2378103A/en
Application granted granted Critical
Publication of GB2378103B publication Critical patent/GB2378103B/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
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03535—Variable structures
    • 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
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling
    • H04L2025/03802—Signalling on the reverse channel
    • H04L2025/03808—Transmission of equaliser coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0118288A 2001-07-26 2001-07-26 Method and apparatus for predistorting data Expired - Fee Related GB2378103B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0118288A GB2378103B (en) 2001-07-26 2001-07-26 Method and apparatus for predistorting data
US10/484,557 US7787531B2 (en) 2001-07-26 2002-07-18 Predistorting of contention signals
CN02814549.6A CN1533662B (en) 2001-07-26 2002-07-18 Method and device for predistorting data
AU2002317367A AU2002317367A1 (en) 2001-07-26 2002-07-18 Predistorting of contention signals
EP02745654.0A EP1415449B1 (en) 2001-07-26 2002-07-18 Predistortion of contention signals
PCT/GB2002/003303 WO2003013087A2 (en) 2001-07-26 2002-07-18 Predistorting of contention signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0118288A GB2378103B (en) 2001-07-26 2001-07-26 Method and apparatus for predistorting data

Publications (3)

Publication Number Publication Date
GB0118288D0 GB0118288D0 (en) 2001-09-19
GB2378103A GB2378103A (en) 2003-01-29
GB2378103B true GB2378103B (en) 2004-09-01

Family

ID=9919273

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0118288A Expired - Fee Related GB2378103B (en) 2001-07-26 2001-07-26 Method and apparatus for predistorting data

Country Status (1)

Country Link
GB (1) GB2378103B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1533662B (en) 2001-07-26 2010-12-08 剑桥宽带网络有限公司 Method and device for predistorting data
GB2384666B (en) * 2002-01-25 2005-02-23 Cambridge Broadband Ltd Method and apparatus for predistorting data
US7519129B2 (en) 2002-12-12 2009-04-14 Cambridge Broadband Networks Limited Precoding of contention words in a fixed wireless access system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995057A (en) * 1988-11-02 1991-02-19 At&T Bell Laboratories Technique for achieving the theoretical coding gain of digital signals incorporating error correction
GB2347054A (en) * 1999-02-19 2000-08-23 Adaptive Broadband Ltd Stabilized precoders
EP1063784A1 (en) * 1999-01-25 2000-12-27 Matsushita Electric Industrial Co., Ltd. Radio communication device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995057A (en) * 1988-11-02 1991-02-19 At&T Bell Laboratories Technique for achieving the theoretical coding gain of digital signals incorporating error correction
GB2262866A (en) * 1988-11-02 1993-06-30 American Telephone & Telegraph Pre-equalization in data communication systems
EP1063784A1 (en) * 1999-01-25 2000-12-27 Matsushita Electric Industrial Co., Ltd. Radio communication device
GB2347054A (en) * 1999-02-19 2000-08-23 Adaptive Broadband Ltd Stabilized precoders

Also Published As

Publication number Publication date
GB2378103A (en) 2003-01-29
GB0118288D0 (en) 2001-09-19

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Legal Events

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

Effective date: 20200726