FI961567A - Noise suppression in an analog mobile communication system - Google Patents

Noise suppression in an analog mobile communication system Download PDF

Info

Publication number
FI961567A
FI961567A FI961567A FI961567A FI961567A FI 961567 A FI961567 A FI 961567A FI 961567 A FI961567 A FI 961567A FI 961567 A FI961567 A FI 961567A FI 961567 A FI961567 A FI 961567A
Authority
FI
Finland
Prior art keywords
communication system
mobile communication
noise suppression
analog mobile
analog
Prior art date
Application number
FI961567A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI961567A0 (en
Inventor
Markku Vimpari
Kari Reponen
Jaakko Sippola
Original Assignee
Nokia Telecommunications Oy
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 Nokia Telecommunications Oy filed Critical Nokia Telecommunications Oy
Priority to FI961567A priority Critical patent/FI961567A/en
Publication of FI961567A0 publication Critical patent/FI961567A0/en
Priority to PCT/FI1997/000217 priority patent/WO1997038543A1/en
Priority to AU25107/97A priority patent/AU2510797A/en
Publication of FI961567A publication Critical patent/FI961567A/en
Priority to SE9803421A priority patent/SE9803421D0/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)
FI961567A 1996-04-10 1996-04-10 Noise suppression in an analog mobile communication system FI961567A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI961567A FI961567A (en) 1996-04-10 1996-04-10 Noise suppression in an analog mobile communication system
PCT/FI1997/000217 WO1997038543A1 (en) 1996-04-10 1997-04-09 A squelch in an analogue mobile communication network
AU25107/97A AU2510797A (en) 1996-04-10 1997-04-09 A squelch in an analogue mobile communication network
SE9803421A SE9803421D0 (en) 1996-04-10 1998-10-07 Brussels block in an anologically mobile communications network

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI961567A FI961567A (en) 1996-04-10 1996-04-10 Noise suppression in an analog mobile communication system

Publications (2)

Publication Number Publication Date
FI961567A0 FI961567A0 (en) 1996-04-10
FI961567A true FI961567A (en) 1997-10-11

Family

ID=8545813

Family Applications (1)

Application Number Title Priority Date Filing Date
FI961567A FI961567A (en) 1996-04-10 1996-04-10 Noise suppression in an analog mobile communication system

Country Status (4)

Country Link
AU (1) AU2510797A (en)
FI (1) FI961567A (en)
SE (1) SE9803421D0 (en)
WO (1) WO1997038543A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5446921A (en) * 1989-10-25 1995-08-29 General Electric Company Circuit for detecting noise and producing a squelch signal
US5222251A (en) * 1992-04-27 1993-06-22 Motorola, Inc. Method for eliminating acoustic echo in a communication device
JP3090842B2 (en) * 1994-04-28 2000-09-25 沖電気工業株式会社 Transmitter adapted to Viterbi decoding method
FI110826B (en) * 1995-06-08 2003-03-31 Nokia Corp Eliminating an acoustic echo in a digital mobile communication system

Also Published As

Publication number Publication date
FI961567A0 (en) 1996-04-10
AU2510797A (en) 1997-10-29
SE9803421L (en) 1998-10-07
WO1997038543A1 (en) 1997-10-16
SE9803421D0 (en) 1998-10-07

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