BR9809102A - Method and apparatus for digital data communications including advanced indication of a transcoding change - Google Patents

Method and apparatus for digital data communications including advanced indication of a transcoding change

Info

Publication number
BR9809102A
BR9809102A BR9809102-6A BR9809102A BR9809102A BR 9809102 A BR9809102 A BR 9809102A BR 9809102 A BR9809102 A BR 9809102A BR 9809102 A BR9809102 A BR 9809102A
Authority
BR
Brazil
Prior art keywords
transcoding
digital data
change
data communications
communications including
Prior art date
Application number
BR9809102-6A
Other languages
Portuguese (pt)
Inventor
Richard Driscoll
Nigel Jonathan King
Paul Maxwell Martin
Nell Philip Piercy
Nigel Roles
Original Assignee
Ionica Int 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 Ionica Int Ltd filed Critical Ionica Int Ltd
Publication of BR9809102A publication Critical patent/BR9809102A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Communication Control (AREA)

Abstract

Patente de Invenção: <B>"MéTODO E APARELHO PARA COMUNICAçõES DE DADOS DIGITAIS INCLUINDO INDICAçãO AVANçADA DE UMA MUDANçA DE TRANSCODIFICAçãO"<D>. Trata-se de um método para a transmissão de uma mensagem de dados digitais em tempos de slot dentro de quadro com tempo fixo entre uma unidade de envio e uma unidade de recepção. A mensagem é transcodificada para transmissão de acordo com uma função de transcodificação e quando a função de transcodificação tem que ser mudada, uma das unidades envia para a outra unidade um sinal que indica em que quadro a transcodificação irá ocorrer.Invention Patent: <B> "METHOD AND APPARATUS FOR DIGITAL DATA COMMUNICATIONS INCLUDING ADVANCED INDICATION OF A TRANSCODIFICATION CHANGE" <D>. It is a method for transmitting a digital data message in slot times within a fixed time frame between a sending unit and a receiving unit. The message is transcoded for transmission according to a transcoding function and when the transcoding function has to be changed, one of the units sends a signal to the other unit that indicates in which frame the transcoding will occur.

BR9809102-6A 1997-04-16 1998-04-15 Method and apparatus for digital data communications including advanced indication of a transcoding change BR9809102A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9707726.7A GB9707726D0 (en) 1997-04-16 1997-04-16 A method and apparatus for digital data communications including advance indication of a transcoding change
PCT/GB1998/001104 WO1998047297A2 (en) 1997-04-16 1998-04-15 Advance indication of a transcoding change

Publications (1)

Publication Number Publication Date
BR9809102A true BR9809102A (en) 2000-08-01

Family

ID=10810898

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9809102-6A BR9809102A (en) 1997-04-16 1998-04-15 Method and apparatus for digital data communications including advanced indication of a transcoding change

Country Status (7)

Country Link
EP (1) EP0983695A2 (en)
JP (1) JP2001521693A (en)
AU (1) AU7061698A (en)
BR (1) BR9809102A (en)
GB (1) GB9707726D0 (en)
RU (1) RU99123710A (en)
WO (1) WO1998047297A2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9418780D0 (en) * 1994-09-16 1994-11-02 Ionica L3 Limited Digital telephony

Also Published As

Publication number Publication date
JP2001521693A (en) 2001-11-06
EP0983695A2 (en) 2000-03-08
RU99123710A (en) 2001-09-27
WO1998047297A2 (en) 1998-10-22
AU7061698A (en) 1998-11-11
WO1998047297A3 (en) 1999-01-28
GB9707726D0 (en) 1997-06-04

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Legal Events

Date Code Title Description
B25G Requested change of headquarter approved
B25A Requested transfer of rights approved

Free format text: NORTEL NETWORKS UK LIMITED (CA)

B25A Requested transfer of rights approved

Free format text: NORTEL NETWORKS LIMITED (CA)

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

Free format text: REFERENTE A 9A E 10A 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 PUBLICADO NA RPI 1971 DE 14/10/2008.

B15K Others concerning applications: alteration of classification

Ipc: H04B 14/06 (2006.01)