JP2005521343A - 多チャネル信号受信器 - Google Patents
多チャネル信号受信器 Download PDFInfo
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- JP2005521343A JP2005521343A JP2003579470A JP2003579470A JP2005521343A JP 2005521343 A JP2005521343 A JP 2005521343A JP 2003579470 A JP2003579470 A JP 2003579470A JP 2003579470 A JP2003579470 A JP 2003579470A JP 2005521343 A JP2005521343 A JP 2005521343A
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- 238000000034 method Methods 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 108091006146 Channels Proteins 0.000 description 120
- 238000005070 sampling Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 13
- 101100458289 Drosophila melanogaster msps gene Proteins 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 101100120142 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) FIR1 gene Proteins 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- 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
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
-
- 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
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
-
- 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
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Superheterodyne Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims (12)
- 複数の放送チャネル番組を表わすディジタル情報を発生する信号源と、
前記複数の放送チャネル番組に対応するベースバンド信号を同時に提供するよう前記信号源に動作上結合された、フィルタバンクを含む信号処理手段とを有する、
多チャネル信号受信器。 - 前記信号源は、
フィルタリングされたアナログ信号を発生するフィルタリング手段と、
前記フィルタリングされたアナログ信号をディジタル信号へ変換するアナログ・ディジタル変換手段と、
前記複数の放送チャネル番組を表わすディジタル情報を出力するよう前記ディジタル信号をデマルチプレックスする手段とを含む、
請求項1記載の多チャネル信号受信器。 - 前記信号源は、前記アナログ・ディジタル変換手段から出力される前記ディジタル信号に対するサンプルレート変換操作を行うサンプルレート変換手段を更に有する、請求項2記載の多チャネル信号受信器。
- 前記信号処理手段は複数の信号処理チャネルを有し、各処理チャネルはベースバンド信号のうちの1つを固有の周波数チャネル内に発生する、
請求項1記載の多チャネル信号受信器。 - 多チャネル信号受信器を制御する方法であって、
複数の放送チャネル番組を表わすディジタル情報を発生する段階と、
前記複数の放送チャネル番組に対応するベースバンド信号を同時に発生する段階とを有する、方法。 - フィルタリングされたアナログ信号を発生する段階と、
前記フィルタリングされたアナログ信号をディジタル信号へ変換する段階と、
前記複数の放送チャネル番組を表わすディジタル情報を出力するよう前記ディジタル信号をデマルチプレックスする段階とを更に有する、
請求項5記載の方法。 - デマルチプレックスする段階の前に、前記ディジタル信号に対してサンプルレート変換操作を実行する段階を更に有する、
請求項6記載の方法。 - 前記発生されたベースバンド信号の夫々は、固有の周波数チャネル内に含まれる、請求項5記載の方法。
- 複数の放送チャネル番組を表わすディジタル情報を発生するよう動作可能な信号源と、
前記信号源に結合され、前記複数の放送チャネル番組に対応するベースバンド信号を同時に提供するよう動作可能な、フィルタバンクを含む信号処理回路とを有する、
多チャネル信号受信器。 - 前記信号源は、
フィルタリングされたアナログ信号を発生するよう動作可能なフィルタと、
前記フィルタリングされたアナログ信号をディジタル信号へ変換するよう動作可能なアナログ・ディジタル変換器と、
前記ディジタル信号をデマルチプレックスすることにより前記複数の放送チャネル番組を表わすディジタル情報を出力するよう動作可能なデマルチプレクサとを含む、
請求項9記載の多チャネル信号受信器。 - 前記信号源は、前記アナログ・ディジタル変換手段から出力される前記ディジタル信号に対してサンプルレート変換操作を行うよう動作可能なサンプルレート変換器を更に有する、請求項10記載の多チャネル信号受信器。
- 前記信号処理手段は複数の信号処理チャネルを有し、各処理チャネルはベースバンド信号のうちの1つを固有の周波数チャネル内に発生するよう動作可能である、
請求項9記載の多チャネル信号受信器。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US36650602P | 2002-03-21 | 2002-03-21 | |
PCT/US2003/008365 WO2003081906A1 (en) | 2002-03-21 | 2003-03-19 | Signal receiver for reveiveg simultaneously a plurality of broadcast signals |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005521343A true JP2005521343A (ja) | 2005-07-14 |
JP2005521343A5 JP2005521343A5 (ja) | 2006-04-27 |
JP4373225B2 JP4373225B2 (ja) | 2009-11-25 |
Family
ID=28454808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003579470A Expired - Fee Related JP4373225B2 (ja) | 2002-03-21 | 2003-03-19 | 多チャネル信号受信器 |
Country Status (9)
Country | Link |
---|---|
US (1) | US20050117069A1 (ja) |
EP (1) | EP1486058A1 (ja) |
JP (1) | JP4373225B2 (ja) |
KR (1) | KR20040094832A (ja) |
CN (1) | CN1284363C (ja) |
AU (1) | AU2003218251A1 (ja) |
BR (1) | BR0308428A (ja) |
MX (1) | MXPA04009064A (ja) |
WO (1) | WO2003081906A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006521075A (ja) * | 2003-03-10 | 2006-09-14 | トムソン ライセンシング | 信号を受信するための方法および装置 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA06010209A (es) * | 2004-03-09 | 2007-04-12 | Thomson Licensing | Transmision segura de datos a traves de manejo y control de titularidad de multi-canal. |
EP1878137B1 (en) | 2005-05-04 | 2010-03-10 | Thomson Licensing | Apparatus and method for re-synthesizing signals |
KR100694216B1 (ko) * | 2005-06-07 | 2007-03-14 | 삼성전자주식회사 | 다중 디지털 방송 제공 장치 및 방법 |
EP1935156B1 (en) * | 2005-10-11 | 2012-02-22 | L-3 Communications Integrated Systems L.P. | Nyquist folded bandpass sampling receivers and related methods |
US7684467B2 (en) * | 2005-10-28 | 2010-03-23 | Silicon Laboratories Inc. | Performing blind scanning in a receiver |
KR100867177B1 (ko) * | 2005-12-09 | 2008-11-06 | 한국전자통신연구원 | 멀티 서비스를 위한 dmb 수신기 및 그 방법 |
US7233268B1 (en) * | 2006-06-03 | 2007-06-19 | Rdw, Inc. | Multi-stage sample rate converter |
KR100881375B1 (ko) * | 2007-08-08 | 2009-02-02 | 재단법인서울대학교산학협력재단 | 디지털 방송 수신 장치 및 방법 |
US8184673B2 (en) * | 2007-12-19 | 2012-05-22 | L-3 Communications Integrated Systems L.P. | Wideband frequency hopping spread spectrum receivers and related methods |
US8086197B2 (en) * | 2008-11-12 | 2011-12-27 | Nxp B.V. | Multi-channel receiver architecture and reception method |
US8509368B2 (en) * | 2008-12-18 | 2013-08-13 | L-3 Communications Integrated Systems, L.P. | System and method for clock jitter compensation in direct RF receiver architectures |
US8509354B2 (en) * | 2008-12-18 | 2013-08-13 | L—3 Communications Integrated Systems L.P. | System and method for improved spur reduction in direct RF receiver architectures |
EP2219294A1 (en) * | 2009-02-17 | 2010-08-18 | Nxp B.V. | Tuner to be used in a receiver for receiving a radio frequency signal including a combined data stream signal, and a receiver including such a tuner |
US8401050B1 (en) | 2011-03-15 | 2013-03-19 | L-3 Communications Integrated Systems L.P. | Multiple projection sampling for RF sampling receivers |
CN107786484B (zh) * | 2011-06-10 | 2021-02-09 | 技术研究及发展基金公司 | 接收机、发射机以及用于数字多子频带处理的方法 |
KR101991489B1 (ko) | 2012-09-03 | 2019-09-30 | 삼성전자주식회사 | 무선 통신 회로와 장치 및 그 제어 방법 |
US9420325B2 (en) * | 2013-12-20 | 2016-08-16 | Echostar Technologies L.L.C. | Virtualized content sourcing |
US9306790B1 (en) * | 2014-06-02 | 2016-04-05 | Maxim Integrated Products, Inc. | Multi-channel simultaneous sampling with a single ADC |
US11251832B2 (en) | 2020-03-02 | 2022-02-15 | L-3 Communications Integrated Systems L.P. | Multiple clock sampling for Nyquist folded sampling receivers |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2066851C (en) * | 1991-06-13 | 1996-08-06 | Edwin A. Kelley | Multiple user digital receiver apparatus and method with combined multiple frequency channels |
EP0920207B2 (en) * | 1992-12-09 | 2006-09-27 | Sedna Patent Services, LLC | Interactive terminal for television delivery system |
US5535240A (en) * | 1993-10-29 | 1996-07-09 | Airnet Communications Corporation | Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network |
US5867223A (en) * | 1995-07-17 | 1999-02-02 | Gateway 2000, Inc. | System for assigning multichannel audio signals to independent wireless audio output devices |
US5966188A (en) * | 1996-12-26 | 1999-10-12 | Samsung Electronics Co., Ltd. | Decimation of baseband DTV signals prior to channel equalization in digital television signal receivers |
US7224896B1 (en) * | 1997-02-25 | 2007-05-29 | Telesector Resources Group, Inc. | Methods and apparatus for generating local oscillation signals |
US5933192A (en) * | 1997-06-18 | 1999-08-03 | Hughes Electronics Corporation | Multi-channel digital video transmission receiver with improved channel-changing response |
US7257132B1 (en) * | 1998-02-26 | 2007-08-14 | Hitachi, Ltd. | Receiver set, information apparatus and receiving system |
JP3937564B2 (ja) * | 1998-03-24 | 2007-06-27 | 三菱電機株式会社 | ディジタルビデオ受信装置 |
US6496546B1 (en) * | 1998-07-15 | 2002-12-17 | Lucent Technologies Inc. | Software-defined transceiver for a wireless telecommunications system |
CA2299821C (en) * | 1999-03-04 | 2004-08-10 | Nippon Telegraph And Telephone Corporation | Variable transmission rate digital modem with multi-rate filter bank |
EP1093302B1 (en) * | 1999-10-15 | 2007-04-18 | Matsushita Electric Industrial Co., Ltd. | Multichannel display data generating apparatus, and data medium, and computer program therefor |
JP3376454B2 (ja) * | 1999-11-19 | 2003-02-10 | アンリツ株式会社 | 信号分析装置 |
-
2003
- 2003-03-19 KR KR10-2004-7014876A patent/KR20040094832A/ko not_active Application Discontinuation
- 2003-03-19 JP JP2003579470A patent/JP4373225B2/ja not_active Expired - Fee Related
- 2003-03-19 CN CNB038066289A patent/CN1284363C/zh not_active Expired - Fee Related
- 2003-03-19 BR BR0308428-0A patent/BR0308428A/pt not_active IP Right Cessation
- 2003-03-19 EP EP03714245A patent/EP1486058A1/en not_active Withdrawn
- 2003-03-19 US US10/508,270 patent/US20050117069A1/en not_active Abandoned
- 2003-03-19 WO PCT/US2003/008365 patent/WO2003081906A1/en active Application Filing
- 2003-03-19 MX MXPA04009064A patent/MXPA04009064A/es active IP Right Grant
- 2003-03-19 AU AU2003218251A patent/AU2003218251A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006521075A (ja) * | 2003-03-10 | 2006-09-14 | トムソン ライセンシング | 信号を受信するための方法および装置 |
Also Published As
Publication number | Publication date |
---|---|
BR0308428A (pt) | 2005-01-18 |
EP1486058A1 (en) | 2004-12-15 |
MXPA04009064A (es) | 2005-06-08 |
KR20040094832A (ko) | 2004-11-10 |
JP4373225B2 (ja) | 2009-11-25 |
AU2003218251A1 (en) | 2003-10-08 |
CN1284363C (zh) | 2006-11-08 |
CN1643903A (zh) | 2005-07-20 |
WO2003081906A1 (en) | 2003-10-02 |
US20050117069A1 (en) | 2005-06-02 |
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