CN1856942A - 用于同时接收多个信道的接收机和方法 - Google Patents

用于同时接收多个信道的接收机和方法 Download PDF

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Publication number
CN1856942A
CN1856942A CNA2004800065918A CN200480006591A CN1856942A CN 1856942 A CN1856942 A CN 1856942A CN A2004800065918 A CNA2004800065918 A CN A2004800065918A CN 200480006591 A CN200480006591 A CN 200480006591A CN 1856942 A CN1856942 A CN 1856942A
Authority
CN
China
Prior art keywords
signal
filtered
channel
baseband
frequency channels
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CNA2004800065918A
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English (en)
Chinese (zh)
Inventor
迈克尔·A·帕格尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THOMSON LICENSING CORP
Original Assignee
THOMSON LICENSING CORP
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 THOMSON LICENSING CORP filed Critical THOMSON LICENSING CORP
Publication of CN1856942A publication Critical patent/CN1856942A/zh
Pending legal-status Critical Current

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Classifications

    • 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
    • H04B1/0025—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 using a sampling rate lower than twice the highest frequency component of the sampled signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • 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
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/006—Demodulation of angle-, frequency- or phase- modulated oscillations by sampling the oscillations and further processing the samples, e.g. by computing techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
CNA2004800065918A 2003-03-10 2004-03-05 用于同时接收多个信道的接收机和方法 Pending CN1856942A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US45332803P 2003-03-10 2003-03-10
US60/453,328 2003-03-10

Publications (1)

Publication Number Publication Date
CN1856942A true CN1856942A (zh) 2006-11-01

Family

ID=32990757

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2004800065918A Pending CN1856942A (zh) 2003-03-10 2004-03-05 用于同时接收多个信道的接收机和方法

Country Status (8)

Country Link
US (1) US20060189291A1 (enExample)
EP (1) EP1604464A2 (enExample)
JP (1) JP2006521075A (enExample)
KR (1) KR20050106094A (enExample)
CN (1) CN1856942A (enExample)
BR (1) BRPI0408178A (enExample)
MX (1) MXPA05009693A (enExample)
WO (1) WO2004082189A2 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460417B (en) 2008-05-28 2011-04-06 Mirics Semiconductor Ltd Broadcast receiver system
US8086197B2 (en) * 2008-11-12 2011-12-27 Nxp B.V. Multi-channel receiver architecture and reception method
US8312346B2 (en) 2009-05-01 2012-11-13 Mirics Semiconductor Limited Systems and methods for communications
JP2012129671A (ja) * 2010-12-14 2012-07-05 Jvc Kenwood Corp ラジオ受信機、ラジオ受信方法およびプログラム
KR101277979B1 (ko) * 2011-12-21 2013-06-27 피앤피네트워크 주식회사 Ｄｒｍ 수신기를 위한 다중 채널 동시 수신 시스템 및 그 방법
WO2024221088A1 (en) * 2023-04-22 2024-10-31 Jorgen Staal Nielsen Multiband signal processor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176356A (en) * 1985-06-12 1986-12-17 Philips Electronic Associated Method of, and demodulator for, digitally demodulating an ssb signal
JPH0260314A (ja) * 1988-08-26 1990-02-28 Nec Corp 適応型受信機
US6263195B1 (en) * 1999-02-12 2001-07-17 Trw Inc. Wideband parallel processing digital tuner
JP2001103024A (ja) * 1999-09-29 2001-04-13 Fujitsu Ltd デジタル無線装置、デジタル無線通信システム、デジタル無線送信装置、デジタル無線通信方法
JP4652546B2 (ja) * 2000-09-21 2011-03-16 三星電子株式会社 受信機
US7027520B2 (en) * 2001-08-30 2006-04-11 Thomson Licensing Method and apparatus for simultaneously retrieving portions of a data stream from different channels
US6704372B2 (en) * 2001-09-18 2004-03-09 Broadlogic Network Technologies Inc. Digital implementation of multi-channel demodulators
GB2382282B (en) * 2001-11-19 2003-11-12 Lucent Technologies Inc A digital demodulator a telecommunications receiver and a method of digital demodulation
MXPA04009064A (es) * 2002-03-21 2005-06-08 Thomson Licensing Sa Receptor de senal para recibir en forma simultanea una pluralidad de senales de transmision.

Also Published As

Publication number Publication date
US20060189291A1 (en) 2006-08-24
KR20050106094A (ko) 2005-11-08
WO2004082189A3 (en) 2004-12-29
MXPA05009693A (es) 2006-04-28
WO2004082189A2 (en) 2004-09-23
BRPI0408178A (pt) 2006-03-01
JP2006521075A (ja) 2006-09-14
EP1604464A2 (en) 2005-12-14

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