AT274260T - Method and device for increasing receiver immunity against interference signals - Google Patents

Method and device for increasing receiver immunity against interference signals

Info

Publication number
AT274260T
AT274260T AT95943046T AT95943046T AT274260T AT 274260 T AT274260 T AT 274260T AT 95943046 T AT95943046 T AT 95943046T AT 95943046 T AT95943046 T AT 95943046T AT 274260 T AT274260 T AT 274260T
Authority
AT
Austria
Prior art keywords
device
method
interference signals
immunity against
against interference
Prior art date
Application number
AT95943046T
Other languages
German (de)
Inventor
Charles E Wheatley Iii
Paul E Peterzell
Richard K Kornfeld
Ana L Weiland
Original Assignee
Qualcomm 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
Family has litigation
Priority to US08/357,951 priority Critical patent/US5722063A/en
Priority to US08/522,467 priority patent/US5732341A/en
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Priority to PCT/US1995/016002 priority patent/WO1996019048A2/en
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23407701&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT274260(T) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of AT274260T publication Critical patent/AT274260T/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/52TPC using AGC [Automatic Gain Control] circuits or amplifiers
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G1/00Details of arrangements for controlling amplification
    • H03G1/0005Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0088Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068Circuits generating control signals for both R.F. and I.F. stages
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference induced by transmission
    • H04B1/109Means associated with receiver for limiting or suppressing noise or interference induced by transmission by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70755Setting of lock conditions, e.g. threshold
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7097Interference-related aspects
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7239Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched on or off by putting into parallel or not, by choosing between amplifiers and shunting lines by one or more switch(es)
AT95943046T 1994-12-16 1995-12-11 Method and device for increasing receiver immunity against interference signals AT274260T (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/357,951 US5722063A (en) 1994-12-16 1994-12-16 Method and apparatus for increasing receiver immunity to interference
US08/522,467 US5732341A (en) 1994-12-16 1995-08-31 Method and apparatus for increasing receiver immunity to interference
PCT/US1995/016002 WO1996019048A2 (en) 1994-12-16 1995-12-11 Method and apparatus for increasing receiver immunity to interference

Publications (1)

Publication Number Publication Date
AT274260T true AT274260T (en) 2004-09-15

Family

ID=23407701

Family Applications (3)

Application Number Title Priority Date Filing Date
AT04019499T AT339811T (en) 1994-12-16 1995-12-11 Method and device for increasing the receiver immunity against interference signals
AT95943046T AT274260T (en) 1994-12-16 1995-12-11 Method and device for increasing receiver immunity against interference signals
AT04019498T AT403284T (en) 1994-12-16 1995-12-11 Method for increasing the interference immunity of a receiver

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT04019499T AT339811T (en) 1994-12-16 1995-12-11 Method and device for increasing the receiver immunity against interference signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04019498T AT403284T (en) 1994-12-16 1995-12-11 Method for increasing the interference immunity of a receiver

Country Status (21)

Country Link
US (3) US5722063A (en)
EP (3) EP1503517B1 (en)
JP (8) JPH10510965A (en)
KR (1) KR100369272B1 (en)
CN (4) CN101072058B (en)
AR (1) AR000363A1 (en)
AT (3) AT339811T (en)
AU (5) AU703393B2 (en)
BR (1) BR9510050A (en)
CA (3) CA2467276C (en)
DE (3) DE69535799D1 (en)
ES (3) ES2225851T3 (en)
FI (3) FI116342B (en)
HK (1) HK1004453A1 (en)
IL (2) IL116364A (en)
MX (1) MX9704445A (en)
MY (1) MY117285A (en)
RU (3) RU2196384C2 (en)
TW (1) TW301826B (en)
WO (1) WO1996019048A2 (en)
ZA (1) ZA9510321B (en)

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