GB2449167B - Wireless communication unit and method for filtering using an adaptive root raised cosine filter - Google Patents

Wireless communication unit and method for filtering using an adaptive root raised cosine filter

Info

Publication number
GB2449167B
GB2449167B GB0808224A GB0808224A GB2449167B GB 2449167 B GB2449167 B GB 2449167B GB 0808224 A GB0808224 A GB 0808224A GB 0808224 A GB0808224 A GB 0808224A GB 2449167 B GB2449167 B GB 2449167B
Authority
GB
United Kingdom
Prior art keywords
filtering
wireless communication
communication unit
raised cosine
cosine filter
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
GB0808224A
Other versions
GB0808224D0 (en
GB2449167A (en
Inventor
Gopikrishna Charipadi
Nicholas Roberts
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.)
IP Access Ltd
Original Assignee
IP Access 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 IP Access Ltd filed Critical IP Access Ltd
Publication of GB0808224D0 publication Critical patent/GB0808224D0/en
Publication of GB2449167A publication Critical patent/GB2449167A/en
Application granted granted Critical
Publication of GB2449167B publication Critical patent/GB2449167B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0283—Filters characterised by the filter structure
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • 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
    • H04L25/03012—Arrangements for removing intersymbol interference operating in the time domain
    • H04L25/03019—Arrangements for removing intersymbol interference operating in the time domain adaptive, i.e. capable of adjustment during data reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Noise Elimination (AREA)
GB0808224A 2007-05-11 2008-05-07 Wireless communication unit and method for filtering using an adaptive root raised cosine filter Expired - Fee Related GB2449167B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0709074A GB0709074D0 (en) 2007-05-11 2007-05-11 Design method for root raised cosine filter

Publications (3)

Publication Number Publication Date
GB0808224D0 GB0808224D0 (en) 2008-06-11
GB2449167A GB2449167A (en) 2008-11-12
GB2449167B true GB2449167B (en) 2009-04-08

Family

ID=38219232

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0709074A Ceased GB0709074D0 (en) 2007-05-11 2007-05-11 Design method for root raised cosine filter
GB0808224A Expired - Fee Related GB2449167B (en) 2007-05-11 2008-05-07 Wireless communication unit and method for filtering using an adaptive root raised cosine filter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0709074A Ceased GB0709074D0 (en) 2007-05-11 2007-05-11 Design method for root raised cosine filter

Country Status (1)

Country Link
GB (2) GB0709074D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104852117B (en) * 2015-05-27 2017-11-24 华为技术有限公司 Filter tuning methods, apparatus and system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0400850A2 (en) * 1989-05-30 1990-12-05 Advanced Micro Devices, Inc. Generating coefficients for digital filters
US20030031280A1 (en) * 2001-08-13 2003-02-13 Siemens Information And Communication Mobile, Llc Pulse shaping filter with minimal intersymbol interference

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0400850A2 (en) * 1989-05-30 1990-12-05 Advanced Micro Devices, Inc. Generating coefficients for digital filters
US20030031280A1 (en) * 2001-08-13 2003-02-13 Siemens Information And Communication Mobile, Llc Pulse shaping filter with minimal intersymbol interference

Also Published As

Publication number Publication date
GB0808224D0 (en) 2008-06-11
GB0709074D0 (en) 2007-06-20
GB2449167A (en) 2008-11-12

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Legal Events

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

Effective date: 20160507