CA2210313A1 - Procede et appareil d'attenuation de l'echo dans un systeme de radiocommunication cellulaire a mains libres - Google Patents

Procede et appareil d'attenuation de l'echo dans un systeme de radiocommunication cellulaire a mains libres

Info

Publication number
CA2210313A1
CA2210313A1 CA002210313A CA2210313A CA2210313A1 CA 2210313 A1 CA2210313 A1 CA 2210313A1 CA 002210313 A CA002210313 A CA 002210313A CA 2210313 A CA2210313 A CA 2210313A CA 2210313 A1 CA2210313 A1 CA 2210313A1
Authority
CA
Canada
Prior art keywords
hands
communication system
echo
uplink
radio communication
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.)
Granted
Application number
CA002210313A
Other languages
English (en)
Other versions
CA2210313C (fr
Inventor
Jim A. J. Rasmusson
Torbjorn W. Solve
Robert A. Zak
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.)
Ericsson Inc
Original Assignee
Individual
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
Priority claimed from US08/375,144 external-priority patent/US5835851A/en
Application filed by Individual filed Critical Individual
Publication of CA2210313A1 publication Critical patent/CA2210313A1/fr
Application granted granted Critical
Publication of CA2210313C publication Critical patent/CA2210313C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CA002210313A 1995-01-19 1996-01-19 Procede et appareil d'attenuation de l'echo dans un systeme de radiocommunication cellulaire a mains libres Expired - Fee Related CA2210313C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/375,144 US5835851A (en) 1995-01-19 1995-01-19 Method and apparatus for echo reduction in a hands-free cellular radio using added noise frames
US08/375,144 1995-01-19
PCT/US1996/000790 WO1996022651A1 (fr) 1995-01-19 1996-01-19 Procede et appareil d'attenuation de l'echo dans un systeme de radiocommunication cellulaire a mains libres

Publications (2)

Publication Number Publication Date
CA2210313A1 true CA2210313A1 (fr) 1996-07-25
CA2210313C CA2210313C (fr) 2005-10-04

Family

ID=35395915

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002210313A Expired - Fee Related CA2210313C (fr) 1995-01-19 1996-01-19 Procede et appareil d'attenuation de l'echo dans un systeme de radiocommunication cellulaire a mains libres

Country Status (1)

Country Link
CA (1) CA2210313C (fr)

Also Published As

Publication number Publication date
CA2210313C (fr) 2005-10-04

Similar Documents

Publication Publication Date Title
GB2312817A (en) Method of and apparatus for echo reduction in a hands-free cellular radio communication system
CA2223827A1 (fr) Elimination de l'echo acoustique dans un systeme de communications mobiles numerique
CA2546530A1 (fr) Procede et detecteur de probabilite d'activite entrante et de double parole pour circuit annuleur d'echo
CA2072299A1 (fr) Telephone a haut-parleur adaptatif
IL109389A (en) Apparatus and method for transparent telephony
CA2052253A1 (fr) Accentuation des signaux vocaux d'un reseau telephonique
CA2232316A1 (fr) Appareil et methode d'amorcage de transactions utilisant un recepteur de donnees acoustiques qui filtre la voix
SE9500858L (sv) Anordning och förfarande vid talöverföring och ett telekommunikationssystem omfattande dylik anordning
IL127245A0 (en) Transmission of signaling data in an adjustable rate wireless communication system
CA2148022A1 (fr) Systeme de radiomessagerie mondial utilisant des signaux d'etablissement d'appels de retour pour les communications personnelles sans fil
EP1122897A4 (fr) Dispositif et systeme de prevention d'appel telephonique
CA2182879A1 (fr) Procede et appareil palliant les interferences dans un systeme de communication
TW353837B (en) Method and apparatus for routing calls by remote control
WO1998012068A3 (fr) Systeme d'alarme portable
EP0661689A3 (fr) Procédé et dispositif pour la réduction du bruit et téléphone.
CA2267411A1 (fr) Suppresseur d'echo a detection de silence
CA2176590A1 (fr) Procede d'appel ou d'annulation de services vocaux ou de donnees a partir d'une station mobile
ES2111482A1 (es) Metodo para realizar transmisiones discontinuas en una red de telecomunicaciones y utilizacion del mismo en un sistema global de comunicaciones moviles. (gsm)
CA2212817A1 (fr) Procede permettant d'adapter de maniere selective une strategie de communication dans un systeme selectif de communications par liaisons radiotelephoniques et appareil correspondant
CA2110999A1 (fr) Reception discontinue de signaux amdc
MY119217A (en) Method and apparatus for adaptive volume control for a radiotelephone
IL128946A0 (en) Conference calling system and method for a wireless communication channel
CA2102504A1 (fr) Une methode pour eliminer les echos acoustiques dans un dispositif de communication
AU2002317318A1 (en) Communications system and method
EP1519503A3 (fr) Radio-téléphone mobile et procédé pour son contrôle

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed