BRPI0922765A2 - filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda - Google Patents

filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda

Info

Publication number
BRPI0922765A2
BRPI0922765A2 BRPI0922765A BRPI0922765A BRPI0922765A2 BR PI0922765 A2 BRPI0922765 A2 BR PI0922765A2 BR PI0922765 A BRPI0922765 A BR PI0922765A BR PI0922765 A BRPI0922765 A BR PI0922765A BR PI0922765 A2 BRPI0922765 A2 BR PI0922765A2
Authority
BR
Brazil
Prior art keywords
filter
band lock
agile frequency
digital filter
frequency filter
Prior art date
Application number
BRPI0922765A
Other languages
English (en)
Inventor
Mark Wyville
Original Assignee
Nortel Networks 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 Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0922765A2 publication Critical patent/BRPI0922765A2/pt

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
    • 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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/34—Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
    • H03H11/344—Duplexers
    • 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
    • H04B1/005—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 adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • 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
    • 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
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • 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
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
BRPI0922765A 2008-12-01 2009-11-26 filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda BRPI0922765A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11868608P 2008-12-01 2008-12-01
US11909008P 2008-12-02 2008-12-02
US26263809P 2009-11-19 2009-11-19
PCT/CA2009/001721 WO2010063096A1 (en) 2008-12-01 2009-11-26 Frequency agile filter using a digital filter and bandstop filtering

Publications (1)

Publication Number Publication Date
BRPI0922765A2 true BRPI0922765A2 (pt) 2016-01-05

Family

ID=42232833

Family Applications (2)

Application Number Title Priority Date Filing Date
BRPI0922765A BRPI0922765A2 (pt) 2008-12-01 2009-11-26 filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda
BRPI0922634A BRPI0922634A8 (pt) 2008-12-01 2009-11-26 Filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda

Family Applications After (1)

Application Number Title Priority Date Filing Date
BRPI0922634A BRPI0922634A8 (pt) 2008-12-01 2009-11-26 Filtro ágil de frequência com o uso de um filtro digital e filtragem de bloqueio de banda

Country Status (9)

Country Link
US (5) US8385871B2 (pt)
EP (2) EP2366219A4 (pt)
JP (2) JP5620395B2 (pt)
KR (2) KR20110104510A (pt)
CN (2) CN102301592B (pt)
BR (2) BRPI0922765A2 (pt)
CA (2) CA2745047A1 (pt)
RU (2) RU2493649C2 (pt)
WO (2) WO2010063097A1 (pt)

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Also Published As

Publication number Publication date
EP2366219A1 (en) 2011-09-21
RU2011126268A (ru) 2013-01-10
RU2493648C2 (ru) 2013-09-20
CN102301592A (zh) 2011-12-28
US20130188528A1 (en) 2013-07-25
US8385871B2 (en) 2013-02-26
US8489056B2 (en) 2013-07-16
BRPI0922634A2 (pt) 2016-01-05
EP2366218A1 (en) 2011-09-21
WO2010063097A1 (en) 2010-06-10
CA2745047A1 (en) 2010-06-10
RU2011126267A (ru) 2013-01-10
JP5620395B2 (ja) 2014-11-05
BRPI0922634A8 (pt) 2016-09-27
US20110227665A1 (en) 2011-09-22
US20130149982A1 (en) 2013-06-13
RU2493649C2 (ru) 2013-09-20
WO2010063096A1 (en) 2010-06-10
US9088344B2 (en) 2015-07-21
US8909185B2 (en) 2014-12-09
KR20110091890A (ko) 2011-08-16
JP5464719B2 (ja) 2014-04-09
US20150099478A1 (en) 2015-04-09
CA2745003A1 (en) 2010-06-10
CN102301592B (zh) 2015-03-11
JP2012510739A (ja) 2012-05-10
US20110227664A1 (en) 2011-09-22
CN102301593A (zh) 2011-12-28
EP2366219A4 (en) 2013-11-20
KR20110104510A (ko) 2011-09-22
JP2012510738A (ja) 2012-05-10
EP2366218A4 (en) 2013-11-20

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