BR0012932A - Método e equipamento com suporte à modulação tdd/tty através de canais vocodificados - Google Patents

Método e equipamento com suporte à modulação tdd/tty através de canais vocodificados

Info

Publication number
BR0012932A
BR0012932A BR0012932-1A BR0012932A BR0012932A BR 0012932 A BR0012932 A BR 0012932A BR 0012932 A BR0012932 A BR 0012932A BR 0012932 A BR0012932 A BR 0012932A
Authority
BR
Brazil
Prior art keywords
signal
vocoder
tdd
encoding
equipment
Prior art date
Application number
BR0012932-1A
Other languages
English (en)
Portuguese (pt)
Inventor
Nikolai K N Leunge
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
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR0012932A publication Critical patent/BR0012932A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72475—User interfaces specially adapted for cordless or mobile telephones specially adapted for disabled users
    • H04M1/72478—User interfaces specially adapted for cordless or mobile telephones specially adapted for disabled users for hearing-impaired users
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Telephonic Communication Services (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Dc Digital Transmission (AREA)
BR0012932-1A 1999-08-04 2000-08-03 Método e equipamento com suporte à modulação tdd/tty através de canais vocodificados BR0012932A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36671499A 1999-08-04 1999-08-04
PCT/US2000/021441 WO2001011840A1 (en) 1999-08-04 2000-08-03 Method and apparatus supporting tdd/tty modulation over vocoded channels

Publications (1)

Publication Number Publication Date
BR0012932A true BR0012932A (pt) 2003-04-29

Family

ID=23444188

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012932-1A BR0012932A (pt) 1999-08-04 2000-08-03 Método e equipamento com suporte à modulação tdd/tty através de canais vocodificados

Country Status (14)

Country Link
EP (1) EP1198934A1 (uk)
JP (1) JP2003506968A (uk)
KR (1) KR20020037342A (uk)
CN (1) CN1178438C (uk)
AU (1) AU773419B2 (uk)
BR (1) BR0012932A (uk)
CA (1) CA2379973A1 (uk)
HK (1) HK1047836B (uk)
IL (1) IL147717A0 (uk)
MX (1) MXPA02001199A (uk)
NO (1) NO20020517L (uk)
RU (1) RU2002105522A (uk)
UA (1) UA70375C2 (uk)
WO (1) WO2001011840A1 (uk)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0313259A (pt) 2002-08-06 2005-06-14 Siemens Ag Processamento de erros de informações úteis recebidas através de uma rede de comunicação
US9226123B2 (en) * 2013-02-21 2015-12-29 Telefonaktiebolaget L M Ericsson (Publ) Limiting processing of calls as text telephony calls

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0596079B1 (en) * 1992-05-20 2000-07-19 Ultratec, Inc. Telecommunication device operating under an enhanced tdd protocol
FI100932B (fi) * 1995-04-12 1998-03-13 Nokia Telecommunications Oy Äänitaajuussignaalien lähetys radiopuhelinjärjestelmässä
WO1998027758A2 (en) * 1996-12-19 1998-06-25 Diva Communications Methods and apparatus of providing transparency of dtmf signaling tones across a digital cellular voice channel
US6434198B1 (en) * 1998-08-28 2002-08-13 Lucent Technologies Inc. Method for conveying TTY signals over wireless communication systems

Also Published As

Publication number Publication date
MXPA02001199A (es) 2002-07-30
AU6523800A (en) 2001-03-05
CN1178438C (zh) 2004-12-01
JP2003506968A (ja) 2003-02-18
IL147717A0 (en) 2002-08-14
EP1198934A1 (en) 2002-04-24
AU773419B2 (en) 2004-05-27
NO20020517D0 (no) 2002-02-01
KR20020037342A (ko) 2002-05-18
NO20020517L (no) 2002-02-01
HK1047836A1 (en) 2003-03-07
HK1047836B (zh) 2005-07-22
RU2002105522A (ru) 2003-09-10
UA70375C2 (uk) 2004-10-15
CN1375146A (zh) 2002-10-16
WO2001011840A1 (en) 2001-02-15
CA2379973A1 (en) 2001-02-15

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 1927 DE 11/12/2007.

B15K Others concerning applications: alteration of classification

Ipc: H04M 1/725 (2006.01), H04L 1/08 (2006.01), H04L 29