BR112013018687A2 - sistemas e métodos para selecionar canais de conteudo digital usando conversores bloqueadores de ruido baixo incluindo comutadores canalizadores digitais - Google Patents

sistemas e métodos para selecionar canais de conteudo digital usando conversores bloqueadores de ruido baixo incluindo comutadores canalizadores digitais

Info

Publication number
BR112013018687A2
BR112013018687A2 BR112013018687A BR112013018687A BR112013018687A2 BR 112013018687 A2 BR112013018687 A2 BR 112013018687A2 BR 112013018687 A BR112013018687 A BR 112013018687A BR 112013018687 A BR112013018687 A BR 112013018687A BR 112013018687 A2 BR112013018687 A2 BR 112013018687A2
Authority
BR
Brazil
Prior art keywords
digital
content
intermediate frequency
frequency signal
channel
Prior art date
Application number
BR112013018687A
Other languages
English (en)
Inventor
Tommy Yu
Original Assignee
Mobius Semiconductor 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 Mobius Semiconductor Inc filed Critical Mobius Semiconductor Inc
Publication of BR112013018687A2 publication Critical patent/BR112013018687A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/02—Channels characterised by the type of signal
    • H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
    • 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
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H04B1/0007—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain wherein the AD/DA conversion occurs at radiofrequency or intermediate frequency stage
    • H04B1/001—Channel filtering, i.e. selecting a frequency channel within the SDR system
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18513—Transmission in a satellite or space-based system

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Superheterodyne Receivers (AREA)
  • Radio Relay Systems (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches systems and methods in accordance with embodiments of the invention include converting satellite signals to an intermediate frequency signal for content decoding, and selecting modulated digital data within the satellite signals for content decoding using digital signal processing. one embodiment includes a system configured to select at least one content channel from an input signal including a plurality of content channels modulated onto a carrier, the system including: an input configured to receive an input signal comprising a plurality of content channels modulated on a carrier; a mixer configured to down convert the plurality of content channels to an intermediate frequency signal; a digital channelizer switch including: a high speed analog to digital converter configured to digitize the intermediate frequency signal; a digital channelizer configured to digitally tune a content channel from the digitized intermediate frequency signal; and a high speed digital to analog converter configured to generate an analog output signal using the content channel digitally tuned from the digitized intermediate frequency signal by the digital channelizer. _____________________________________________________ tradução do resumo resumo patente de invenção: "sistemas e métodos para selecionar canais de conteudo digital usando conversores bloqueadores de ruido baixo incluindo comutadores canalizadores digitais". sistemas e métodos de acordo modalidades da invenção incluem conversão de sinais de satélite para um sinal de frequência intermédia para o conteúdo de descodificação e selecção de dados digitais modulados dentre os sinais de satélite para o conteúdo de descodificação, utilizando o processamento de sinal digital. uma modalidade inclui um sistema configurado para seleccionar pelo menos um canal de conteúdo de um sinal de entrada que inclui uma pluralidade de canais de conteúdos modulados em um portador, o sistema incluindo: uma entrada configurada para receber um sinal de entrada compreende uma pluralidade de canais de conteúdos modulados num transportador; um misturador configurado para converter para baixo a pluralidade de canais de conteúdo para um sinal de frequência intermediária; um comutador canalizador digital, incluindo: um conversor analógico para digital de alta velocidade configurado para digitalizar o sinal de frequência intermédia, um canalizador digital configurado para sintonizar um canal de conteúdo do sinal de frequência intermédia digitalizado, e um conversor analógico para digital de alta velocidade configurado para gerar um sinal de saída analógico, usando o canal de conteúdo digitalmente sintonizado a partir do sinal de frequência intermédia digitalizado pelo canalizador digital.
BR112013018687A 2011-01-21 2012-01-20 sistemas e métodos para selecionar canais de conteudo digital usando conversores bloqueadores de ruido baixo incluindo comutadores canalizadores digitais BR112013018687A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161435119P 2011-01-21 2011-01-21
PCT/US2012/022109 WO2012100220A2 (en) 2011-01-21 2012-01-20 Systems and methods for selecting digital content channels using low noise block converters including digital channelizer switches

Publications (1)

Publication Number Publication Date
BR112013018687A2 true BR112013018687A2 (pt) 2016-10-18

Family

ID=46516416

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013018687A BR112013018687A2 (pt) 2011-01-21 2012-01-20 sistemas e métodos para selecionar canais de conteudo digital usando conversores bloqueadores de ruido baixo incluindo comutadores canalizadores digitais

Country Status (8)

Country Link
US (4) US9344262B2 (pt)
EP (1) EP2666271A2 (pt)
JP (1) JP2014507885A (pt)
CN (1) CN103649880A (pt)
BR (1) BR112013018687A2 (pt)
CA (1) CA2825707A1 (pt)
MX (1) MX2013008537A (pt)
WO (1) WO2012100220A2 (pt)

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Also Published As

Publication number Publication date
US20170026059A1 (en) 2017-01-26
US20160094330A1 (en) 2016-03-31
US9565012B2 (en) 2017-02-07
US20140328437A1 (en) 2014-11-06
US20120189084A1 (en) 2012-07-26
US9209957B2 (en) 2015-12-08
US9344262B2 (en) 2016-05-17
WO2012100220A3 (en) 2013-10-17
CN103649880A (zh) 2014-03-19
WO2012100220A2 (en) 2012-07-26
EP2666271A2 (en) 2013-11-27
CA2825707A1 (en) 2012-07-26
JP2014507885A (ja) 2014-03-27
MX2013008537A (es) 2014-07-30

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