BRPI0416017A - aparelho e método de repetidora em-canal - Google Patents

aparelho e método de repetidora em-canal

Info

Publication number
BRPI0416017A
BRPI0416017A BRPI0416017-7A BRPI0416017A BRPI0416017A BR PI0416017 A BRPI0416017 A BR PI0416017A BR PI0416017 A BRPI0416017 A BR PI0416017A BR PI0416017 A BRPI0416017 A BR PI0416017A
Authority
BR
Brazil
Prior art keywords
signal
unit
channel repeater
baseband signal
channel
Prior art date
Application number
BRPI0416017-7A
Other languages
English (en)
Inventor
Sung-Ik Park
Yong-Tae Lee
Jae-Hyun Seo
Seung-Won Kim
Soo-In Lee
Original Assignee
Korea Electronics Telecomm
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 Korea Electronics Telecomm filed Critical Korea Electronics Telecomm
Publication of BRPI0416017A publication Critical patent/BRPI0416017A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/02—Arrangements for relaying broadcast information
    • H04H20/06—Arrangements for relaying broadcast information among broadcast stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards
    • 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
    • H04B7/155—Ground-based stations
    • H04B7/15564—Relay station antennae loop interference reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • H04N5/211—Ghost signal cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

"APARELHO E MéTODO DE REPETIDORA EM CANAL". é provida uma repetidora em canal e um seu método. O aparelho de repetição em canal inclui: uma unidade receptora para receber um sinal de difusão de Freqüência de Rádio (RF); uma unidade de demodulação para converter o sinal de RF em um sinal de banda base; uma unidade de equalização para equalizar o sinal de banda base para gerar um sinal de banda base equalizado; uma unidade de modulação para converter o sinal de banda base equalizado em um sinal de RF; e uma unidade de transmissão para transmitir o sinal de RF.
BRPI0416017-7A 2003-10-29 2004-10-29 aparelho e método de repetidora em-canal BRPI0416017A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030076098A KR100603608B1 (ko) 2003-10-29 2003-10-29 지상파 디지털 텔레비젼 방송 시스템에서 동일채널중계기의 시간지연을 줄이기 위한 복조 장치 및 그 방법
PCT/KR2004/002767 WO2005041571A1 (en) 2003-10-29 2004-10-29 Apparatus and method of on-channel repeater

Publications (1)

Publication Number Publication Date
BRPI0416017A true BRPI0416017A (pt) 2007-01-02

Family

ID=36589510

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416017-7A BRPI0416017A (pt) 2003-10-29 2004-10-29 aparelho e método de repetidora em-canal

Country Status (8)

Country Link
US (2) US20050094750A1 (pt)
EP (1) EP1683352A4 (pt)
JP (1) JP2007510353A (pt)
KR (1) KR100603608B1 (pt)
CN (2) CN1612556B (pt)
BR (1) BRPI0416017A (pt)
CA (2) CA2464252A1 (pt)
WO (1) WO2005041571A1 (pt)

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KR100780668B1 (ko) * 2006-03-30 2007-11-30 포스데이타 주식회사 디지털 주파수 하향 변환 장치 및 방법
US8099072B2 (en) * 2006-11-21 2012-01-17 Qualcomm Incorporated Frequency changer circuits
JP4157578B2 (ja) * 2006-11-30 2008-10-01 松下電器産業株式会社 拡張用子機システム
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GB2444537B (en) * 2006-12-06 2010-12-22 British Broadcasting Corp Improved on-channel repeater
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KR101030091B1 (ko) * 2008-10-22 2011-04-20 (주) 기산텔레콤 대역 및 대역폭 가변이 가능한 직접 변환 방식의 중계기
EP2351360B1 (en) * 2008-10-31 2016-10-19 Synopsys, Inc. Programmable if output receiver, and applications thereof
US20100142481A1 (en) * 2008-12-08 2010-06-10 Electronics And Telecommunications Research Institute Apparatus and method for transmitting and receiving signal for handoff in broadcasting network
KR101754413B1 (ko) 2009-07-08 2017-07-07 한국전자통신연구원 협력 통신 시스템에서 데이터 송수신 방법 및 협력 통신 방법
US8630211B2 (en) * 2010-06-30 2014-01-14 Qualcomm Incorporated Hybrid radio architecture for repeaters using RF cancellation reference
EP2629433A1 (en) * 2012-02-16 2013-08-21 Astrium Limited Signal conversion in communications satellites
US9673842B2 (en) * 2012-04-25 2017-06-06 Qualcomm Incorporated Combining multiple desired signals into a single baseband signal
CN104813590B (zh) * 2012-11-06 2018-01-05 加利福尼亚大学董事会 用于基于多频qam方案的芯片到芯片连接的可扩展串行/解串行i/o
CN103856430B (zh) * 2014-03-26 2017-06-06 东南大学 一种基于移位峰值检测方法的ook接收机数据分离器
EP2991441A3 (en) * 2014-08-27 2016-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. A transceiver, a sudac, a method for signal processing in a transceiver, and methods for signal processing in a sudac
US10804616B2 (en) * 2018-03-27 2020-10-13 Viasat, Inc. Circuit architecture for distributed multiplexed control and element signals for phased array antenna
US11664832B1 (en) 2020-03-27 2023-05-30 Bae Systems Information And Electronic Systems Integration Inc. Wide band tunable transceiver
US11946996B2 (en) * 2020-06-30 2024-04-02 Apple, Inc. Ultra-accurate object tracking using radar in multi-object environment
US12483380B2 (en) * 2023-09-07 2025-11-25 Silicon Laboratories Inc. Kalman filter based phase-locked loop with re-encoding based phase detector

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KR100541862B1 (ko) * 2003-02-10 2006-01-10 알파웨이브(주) 가상의 프라이머리주파수채널을 이용한 중계기 및 방법

Also Published As

Publication number Publication date
EP1683352A4 (en) 2011-08-03
US7636385B2 (en) 2009-12-22
US20070041434A1 (en) 2007-02-22
CN1612556B (zh) 2012-01-04
CN1612556A (zh) 2005-05-04
EP1683352A1 (en) 2006-07-26
CA2543646A1 (en) 2005-05-06
CN1898955A (zh) 2007-01-17
US20050094750A1 (en) 2005-05-05
CA2464252A1 (en) 2005-04-29
WO2005041571A1 (en) 2005-05-06
JP2007510353A (ja) 2007-04-19
CA2543646C (en) 2012-12-18
KR20050040637A (ko) 2005-05-03
WO2005041571B1 (en) 2005-09-29
KR100603608B1 (ko) 2006-07-24

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A ANUIDADE.

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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2330 DE 01-09-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.