HK1039850B - 通信系統 - Google Patents
通信系統Info
- Publication number
- HK1039850B HK1039850B HK02100546.7A HK02100546A HK1039850B HK 1039850 B HK1039850 B HK 1039850B HK 02100546 A HK02100546 A HK 02100546A HK 1039850 B HK1039850 B HK 1039850B
- Authority
- HK
- Hong Kong
- Prior art keywords
- communication system
- communication
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0059—Convolutional codes
- H04L1/006—Trellis-coded modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/04—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/183—Multiresolution systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/2604—Multiresolution systems
-
- 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
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/3488—Multiresolution systems
-
- 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
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/38—Demodulator circuits; Receiver circuits
- H04L27/3845—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier
- H04L27/3854—Demodulator circuits; Receiver circuits using non - coherent demodulation, i.e. not using a phase synchronous carrier using a non - coherent carrier, including systems with baseband correction for phase or frequency offset
-
- 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
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6646193 | 1993-03-25 | ||
JP13298493 | 1993-05-10 | ||
JP26161293 | 1993-09-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
HK1039850A1 HK1039850A1 (en) | 2002-05-31 |
HK1039850B true HK1039850B (zh) | 2006-01-13 |
Family
ID=27299135
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02100546.7A HK1039850B (zh) | 1993-03-25 | 2002-01-24 | 通信系統 |
HK02100549.4A HK1039852B (zh) | 1993-03-25 | 2002-01-24 | 信號發送接收裝置、系統及方法 |
HK02100550.0A HK1039012B (zh) | 1993-03-25 | 2002-01-24 | 通信系統 |
HK02100548.5A HK1039851B (zh) | 1993-03-25 | 2002-01-24 | 信號發送裝置及方法,接收裝置及方法,信號傳輸系統及方法 |
HK07107280.7A HK1103321A1 (en) | 1993-03-25 | 2007-07-06 | Communication system |
HK07107518.1A HK1103183A1 (en) | 1993-03-25 | 2007-07-13 | Communication system |
Family Applications After (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK02100549.4A HK1039852B (zh) | 1993-03-25 | 2002-01-24 | 信號發送接收裝置、系統及方法 |
HK02100550.0A HK1039012B (zh) | 1993-03-25 | 2002-01-24 | 通信系統 |
HK02100548.5A HK1039851B (zh) | 1993-03-25 | 2002-01-24 | 信號發送裝置及方法,接收裝置及方法,信號傳輸系統及方法 |
HK07107280.7A HK1103321A1 (en) | 1993-03-25 | 2007-07-06 | Communication system |
HK07107518.1A HK1103183A1 (en) | 1993-03-25 | 2007-07-13 | Communication system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0617531A1 (zh) |
CN (16) | CN1964240B (zh) |
CA (16) | CA2652609C (zh) |
HK (6) | HK1039850B (zh) |
MY (10) | MY127270A (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6334219B1 (en) * | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
WO1996027962A2 (en) * | 1995-03-03 | 1996-09-12 | Philips Electronics N.V. | Error protected multichannel digital data transmission system and method having graceful degration quality through multi-resolution, and transmitter station and receiver station for use in such system |
FR2731572B1 (fr) * | 1995-03-10 | 1997-06-27 | France Telecom | Signal module en phase et portant une surmodulation hierarchique, dispositif d'emission et recepteurs correspondants |
JP3582139B2 (ja) * | 1995-03-31 | 2004-10-27 | ソニー株式会社 | データ復調装置およびデータ伝送方法 |
US6118827A (en) * | 1997-09-05 | 2000-09-12 | Ericsson Inc. | Apparatus for providing increased data rates within existing modulation systems |
EP1101313A1 (en) * | 1998-07-30 | 2001-05-23 | Vocal Technologies, Ltd | Forward error correcting system with encoders configured in parallel and/or series |
EP1804494A3 (en) * | 1998-09-17 | 2008-04-30 | Matsushita Electric Industrial Co., Ltd. | Digital TV broadcast receiving apparatus, and transmitting and receiving system |
GB0401475D0 (en) * | 2004-01-09 | 2004-02-25 | Koninkl Philips Electronics Nv | Method of signalling |
DE102005044970A1 (de) * | 2005-09-20 | 2007-03-22 | Robert Bosch Gmbh | Verfahren zum Übertragen und Empfangen von Informationen in einem digitalen Übertragungssystem sowie eine Empfangseinrichtung und eine Sendeeinrichtung für ein digitales Übertragungssystem |
WO2009032451A1 (en) * | 2007-08-01 | 2009-03-12 | Sirius Xm Radio Inc. | Overlay modulation technique for cofdm signals based on amplitude offsets |
CN101635947B (zh) * | 2009-08-27 | 2011-08-31 | 深圳市云海通讯股份有限公司 | 一种话务量的统计方法、系统及服务器 |
JP5708312B2 (ja) * | 2011-07-05 | 2015-04-30 | セイコーエプソン株式会社 | プロジェクター |
US9112662B2 (en) * | 2013-01-17 | 2015-08-18 | Samsung Electronics Co., Ltd. | Overhead reduction for transmission of acknowledgment signals |
ITTO20130729A1 (it) * | 2013-09-09 | 2015-03-10 | Rai Radiotelevisione Italiana | Metodo e sistema per la trasmissione satellitare di segnali e relativo ricevitore |
ES2720752T3 (es) * | 2014-09-25 | 2019-07-24 | Huawei Tech Co Ltd | Procedimiento de comunicación de datos y dispositivo pertinente |
CN105471527B (zh) * | 2015-11-12 | 2018-05-25 | 福州大学 | 一种可实现跨标准通信的无线通信方法 |
JP6762171B2 (ja) * | 2016-08-31 | 2020-09-30 | 浜松ホトニクス株式会社 | データ作成装置、光制御装置、データ作成方法、及びデータ作成プログラム |
EP3735746A1 (en) | 2018-01-23 | 2020-11-11 | Huawei Technologies Co., Ltd. | Channel code construction for decoder reuse |
CN115842927B (zh) * | 2023-02-24 | 2023-06-06 | 湖北芯擎科技有限公司 | 一种视频流的安全显示方法、装置和电子设备 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61501670A (ja) * | 1984-03-28 | 1986-08-07 | アメリカン テレフオン アンド テレグラフ カムパニ− | 単側波帯通信システム |
US4679227A (en) * | 1985-05-20 | 1987-07-07 | Telebit Corporation | Ensemble modem structure for imperfect transmission media |
CN86208084U (zh) * | 1986-10-16 | 1987-12-23 | 任翼龙 | Ask-psk调制器 |
US4918718A (en) * | 1988-06-28 | 1990-04-17 | Luma Telecom, Inc. | Quadrature amplitude modulation with line synchronization pulse for video telephone |
US5282019A (en) * | 1988-10-03 | 1994-01-25 | Carlo Basile | Method and apparatus for the transmission and reception of a multicarrier digital television signal |
CA2009713A1 (en) * | 1989-02-28 | 1990-08-31 | Robert P. Mcnamara | Local area network communication system |
US4943980A (en) * | 1989-05-02 | 1990-07-24 | Intelligent Modem Corporation | Multi-carrier high speed modem |
FR2660131B1 (fr) * | 1990-03-23 | 1992-06-19 | France Etat | Dispositif de transmissions de donnees numeriques a au moins deux niveaux de protection, et dispositif de reception correspondant. |
US5164963A (en) * | 1990-11-07 | 1992-11-17 | At&T Bell Laboratories | Coding for digital transmission |
US5105442A (en) * | 1990-11-07 | 1992-04-14 | At&T Bell Laboratories | Coded modulation with unequal error protection |
US5087975A (en) * | 1990-11-09 | 1992-02-11 | Zenith Electronics Corporation | VSB HDTV transmission system with reduced NTSC co-channel interference |
US5291289A (en) * | 1990-11-16 | 1994-03-01 | North American Philips Corporation | Method and apparatus for transmission and reception of a digital television signal using multicarrier modulation |
JP3086723B2 (ja) * | 1991-02-08 | 2000-09-11 | 株式会社東芝 | デジタル型vsb変調装置 |
US5600672A (en) * | 1991-03-27 | 1997-02-04 | Matsushita Electric Industrial Co., Ltd. | Communication system |
EP0506400B1 (en) * | 1991-03-27 | 1997-12-17 | Matsushita Electric Industrial Co., Ltd. | Signal transmission system |
KR960002703B1 (ko) * | 1991-03-27 | 1996-02-24 | 마쯔시다덴기산교 가부시기가이샤 | 전송장치 |
US5243629A (en) * | 1991-09-03 | 1993-09-07 | At&T Bell Laboratories | Multi-subcarrier modulation for hdtv transmission |
JP3241098B2 (ja) * | 1992-06-12 | 2001-12-25 | 株式会社東芝 | 多方式対応の受信装置 |
US5237587A (en) * | 1992-11-20 | 1993-08-17 | Magnavox Electronic Systems Company | Pseudo-noise modem and related digital correlation method |
-
1994
- 1994-03-24 EP EP94302149A patent/EP0617531A1/en not_active Withdrawn
- 1994-03-25 MY MYPI20010454A patent/MY127270A/en unknown
- 1994-03-25 MY MYPI20010452A patent/MY127274A/en unknown
- 1994-03-25 CN CN2006101016939A patent/CN1964240B/zh not_active Expired - Lifetime
- 1994-03-25 CN CN201110037153XA patent/CN102208959A/zh active Pending
- 1994-03-25 CN CN2006101014257A patent/CN1913407B/zh not_active Expired - Lifetime
- 1994-03-25 CA CA002652609A patent/CA2652609C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002653289A patent/CA2653289C/en not_active Expired - Lifetime
- 1994-03-25 CA CA2652596A patent/CA2652596C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002652486A patent/CA2652486C/en not_active Expired - Lifetime
- 1994-03-25 MY MYPI20010458A patent/MY127693A/en unknown
- 1994-03-25 CN CN2006101014242A patent/CN1913406B/zh not_active Expired - Lifetime
- 1994-03-25 CN CNB2004100369597A patent/CN100563132C/zh not_active Expired - Lifetime
- 1994-03-25 CA CA002382460A patent/CA2382460A1/en not_active Abandoned
- 1994-03-25 CA CA002652876A patent/CA2652876C/en not_active Expired - Lifetime
- 1994-03-25 MY MYPI20010450A patent/MY127504A/en unknown
- 1994-03-25 CN CNA200410036960XA patent/CN1617475A/zh active Pending
- 1994-03-25 CN CN2011100379584A patent/CN102130868B/zh not_active Expired - Lifetime
- 1994-03-25 CA CA002636575A patent/CA2636575C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002445707A patent/CA2445707C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002652880A patent/CA2652880C/en not_active Expired - Lifetime
- 1994-03-25 CN CN94103352A patent/CN1115048C/zh not_active Expired - Lifetime
- 1994-03-25 CA CA002652602A patent/CA2652602C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002653282A patent/CA2653282C/en not_active Expired - Lifetime
- 1994-03-25 MY MYPI20010457A patent/MY127507A/en unknown
- 1994-03-25 MY MYPI20010459A patent/MY127271A/en unknown
- 1994-03-25 CA CA002259818A patent/CA2259818C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002652487A patent/CA2652487C/en not_active Expired - Lifetime
- 1994-03-25 CA CA002652875A patent/CA2652875C/en not_active Expired - Lifetime
- 1994-03-25 CN CNB991084705A patent/CN100373829C/zh not_active Expired - Lifetime
- 1994-03-25 CN CNB001338285A patent/CN1240220C/zh not_active Expired - Lifetime
- 1994-03-25 MY MYPI20010451A patent/MY141572A/en unknown
- 1994-03-25 CN CNA2006101016905A patent/CN1909544A/zh active Pending
- 1994-03-25 MY MYPI20010456A patent/MY127695A/en unknown
- 1994-03-25 MY MYPI20010453A patent/MY127503A/en unknown
- 1994-03-25 CA CA002653269A patent/CA2653269C/en not_active Expired - Lifetime
- 1994-03-25 CN CN200610101691XA patent/CN1893414B/zh not_active Expired - Lifetime
- 1994-03-25 CN CNA2006101018262A patent/CN1941680A/zh active Pending
- 1994-03-25 MY MYPI20010455A patent/MY138048A/en unknown
- 1994-03-25 CA CA2652488A patent/CA2652488C/en not_active Expired - Lifetime
-
2000
- 2000-10-30 CN CNB001338307A patent/CN1208964C/zh not_active Expired - Lifetime
- 2000-10-30 CN CNB001338293A patent/CN1225908C/zh not_active Expired - Lifetime
- 2000-10-30 CN CNB001338277A patent/CN1206857C/zh not_active Expired - Lifetime
-
2002
- 2002-01-24 HK HK02100546.7A patent/HK1039850B/zh not_active IP Right Cessation
- 2002-01-24 HK HK02100549.4A patent/HK1039852B/zh not_active IP Right Cessation
- 2002-01-24 HK HK02100550.0A patent/HK1039012B/zh not_active IP Right Cessation
- 2002-01-24 HK HK02100548.5A patent/HK1039851B/zh not_active IP Right Cessation
-
2007
- 2007-07-06 HK HK07107280.7A patent/HK1103321A1/xx not_active IP Right Cessation
- 2007-07-13 HK HK07107518.1A patent/HK1103183A1/xx not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PE | Patent expired |
Effective date: 20140324 |