BR9712480A - Processo para a transmissão sem fio de uma informação, e, disposição de emissor e rece[tor para a realização do processo. - Google Patents

Processo para a transmissão sem fio de uma informação, e, disposição de emissor e rece[tor para a realização do processo.

Info

Publication number
BR9712480A
BR9712480A BR9712480-0A BR9712480A BR9712480A BR 9712480 A BR9712480 A BR 9712480A BR 9712480 A BR9712480 A BR 9712480A BR 9712480 A BR9712480 A BR 9712480A
Authority
BR
Brazil
Prior art keywords
receiver
information
pulses
carrying
sender
Prior art date
Application number
BR9712480-0A
Other languages
English (en)
Inventor
Manfred Koslar
Zbigniew Ianelli
Original Assignee
Nanotron Ges F R Mikrotechnik
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 Nanotron Ges F R Mikrotechnik filed Critical Nanotron Ges F R Mikrotechnik
Publication of BR9712480A publication Critical patent/BR9712480A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/04—Position modulation, i.e. PPM
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/06—Frequency or rate modulation, i.e. PFM or PRM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B2001/6912—Spread spectrum techniques using chirp

Landscapes

  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transceivers (AREA)
  • Communication Control (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Alarm Systems (AREA)
  • Circuits Of Receivers In General (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

"PROCESSO PARA A TRANSMISSãO SEM FIO DE UMA INFORMAçãO, E, DISPOSIçãO DE EMISSOR E RECEPTOR PARA A REALIZAçãO DO PROCESSO". Processo para a transmissão sem fio de uma informação, especialmente para a comunicação móvel, em que um sinal de entrada (s~ 1~, g~ 4~) é submetido a uma modulação em um emissor (2 a 8) e chega a um receptor (11 a 15) através de um canal de transmissão, sendo que no emissor são gerados pulsos que portam a informação, angularmente modulados, apresentando um espectro de frequência, de tal maneira que estes, no receptor por meio de um filtro (13), com tempo de propagação diferencial, também denominado tempo de propagação de grupos, dependente de frequência, podem ser comprimidos temporalmente de tal maneira, que surgem pulsos com duração encurtada com relação aos pulsos emitidos e amplitude elevada, e pelo menos uma parte da informação, no emissor, por meio de uma outra modulação independente da modulação angular, imprime os pulsos e/ou é utilizada para o comando de uma parâmetro da modulação angular, detectável no receptor.
BR9712480-0A 1996-11-01 1997-11-03 Processo para a transmissão sem fio de uma informação, e, disposição de emissor e rece[tor para a realização do processo. BR9712480A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19646747A DE19646747C1 (de) 1996-11-01 1996-11-01 Verfahren zur drahtlosen Übertragung einer einem Signal aufgeprägten Nachricht
PCT/DE1997/002606 WO1998020625A1 (de) 1996-11-01 1997-11-03 Verfahren zur drahtlosen übertragung einer nachricht

Publications (1)

Publication Number Publication Date
BR9712480A true BR9712480A (pt) 1999-12-21

Family

ID=7811445

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9712480-0A BR9712480A (pt) 1996-11-01 1997-11-03 Processo para a transmissão sem fio de uma informação, e, disposição de emissor e rece[tor para a realização do processo.

Country Status (15)

Country Link
US (3) US6466609B2 (pt)
EP (2) EP0938783B1 (pt)
JP (1) JP3493414B2 (pt)
KR (1) KR100508516B1 (pt)
CN (2) CN101232297A (pt)
AT (2) ATE205339T1 (pt)
AU (1) AU729145B2 (pt)
BR (1) BR9712480A (pt)
CA (1) CA2269212C (pt)
DE (3) DE19646747C1 (pt)
EA (1) EA001394B1 (pt)
ES (1) ES2208479T3 (pt)
IL (1) IL129435A (pt)
TR (1) TR199900873T2 (pt)
WO (1) WO1998020625A1 (pt)

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Also Published As

Publication number Publication date
JP2000507786A (ja) 2000-06-20
IL129435A0 (en) 2000-02-17
ATE256936T1 (de) 2004-01-15
US6466609B2 (en) 2002-10-15
IL129435A (en) 2003-03-12
TR199900873T2 (xx) 1999-07-21
DE59704554D1 (de) 2001-10-11
EP1102414A1 (de) 2001-05-23
JP3493414B2 (ja) 2004-02-03
EP0938783B1 (de) 2001-09-05
US20020159538A1 (en) 2002-10-31
CN101232297A (zh) 2008-07-30
EP1102414B1 (de) 2003-12-17
CN1235716A (zh) 1999-11-17
AU729145B2 (en) 2001-01-25
US20070165740A1 (en) 2007-07-19
WO1998020625A1 (de) 1998-05-14
AU5307098A (en) 1998-05-29
HK1025687A1 (zh) 2000-11-17
DE19646747C1 (de) 1998-08-13
EA199900437A1 (ru) 1999-10-28
DE59711149D1 (de) 2004-01-29
EP0938783A1 (de) 1999-09-01
ATE205339T1 (de) 2001-09-15
ES2208479T3 (es) 2004-06-16
CA2269212A1 (en) 1998-05-14
EA001394B1 (ru) 2001-02-26
CA2269212C (en) 2003-07-08
CN100342660C (zh) 2007-10-10
KR100508516B1 (ko) 2005-08-17
KR20000052916A (ko) 2000-08-25
US20010043656A1 (en) 2001-11-22

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Legal Events

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

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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 DA RPI 1986 DE 27/03/2009.