MX2018004732A - Metodo y aparato para proporcionar sincronizacion de tiempo en un sistema de television digital. - Google Patents
Metodo y aparato para proporcionar sincronizacion de tiempo en un sistema de television digital.Info
- Publication number
- MX2018004732A MX2018004732A MX2018004732A MX2018004732A MX2018004732A MX 2018004732 A MX2018004732 A MX 2018004732A MX 2018004732 A MX2018004732 A MX 2018004732A MX 2018004732 A MX2018004732 A MX 2018004732A MX 2018004732 A MX2018004732 A MX 2018004732A
- Authority
- MX
- Mexico
- Prior art keywords
- signal
- time synchronization
- frame length
- parameter
- data
- Prior art date
Links
Classifications
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- 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
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
- H04H60/40—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast time
-
- 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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
- H04L27/2663—Coarse synchronisation, e.g. by correlation
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0092—Indication of how the channel is divided
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- 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
- H04N5/40—Modulation circuits
-
- 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
- H04N5/455—Demodulation-circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Se proporcionan métodos (900, 1000) y aparatos (110, 120, 400) para transmitir y recibir una señal. El método (900) para transmitir una señal incluye modular (920) datos en una pluralidad de símbolos de modulación para generar una señal, los datos incluyen información de sincronización de tiempo que incluye uno de un parámetro de desfase de tiempo y un parámetro de longitud de cuadro seleccionado de acuerdo con un parámetro de modo de longitud de cuadro, y transmitir (930) la señal a travós de un medio de comunicación. El método (1000) para recibir una señal incluye recibir (1010) una señal a travós de un medio de comunicación, y desmodular (1020) la señal para generar una pluralidad de símbolos desmodulados, los símbolos desmodulados incluyen datos, los datos incluyen información de sincronización de tiempo que incluye uno de un parámetro de desfase de tiempo y un parámetro de longitud de cuadro seleccionado de acuerdo con un parámetro de modo de longitud de cuadro.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562243300P | 2015-10-19 | 2015-10-19 | |
PCT/US2016/054603 WO2017069924A1 (en) | 2015-10-19 | 2016-09-30 | Method and apparatus for providing time synchronization in a digital television system |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2018004732A true MX2018004732A (es) | 2018-07-06 |
Family
ID=57200079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2018004732A MX2018004732A (es) | 2015-10-19 | 2016-09-30 | Metodo y aparato para proporcionar sincronizacion de tiempo en un sistema de television digital. |
Country Status (9)
Country | Link |
---|---|
US (1) | US11102379B2 (es) |
EP (1) | EP3365998B1 (es) |
KR (1) | KR102636417B1 (es) |
CN (1) | CN108370296B (es) |
CA (1) | CA3001901C (es) |
DO (1) | DOP2018000093A (es) |
MX (1) | MX2018004732A (es) |
WO (1) | WO2017069924A1 (es) |
ZA (1) | ZA201801882B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102386821B1 (ko) * | 2014-06-24 | 2022-04-15 | 삼성전자주식회사 | 방송 시스템에서 시스템 시간 정보를 송수신하는 기법 |
WO2018226028A1 (ko) * | 2017-06-07 | 2018-12-13 | 한국전자통신연구원 | 주파수/타이밍 옵셋을 위한 게이트웨이 시그널링 방법 및 이를 위한 장치 |
CN109696822B (zh) * | 2019-01-17 | 2021-01-01 | 西安电子科技大学 | 一种时间信号切换系统及切换方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100996417B1 (ko) * | 2006-02-03 | 2010-11-25 | 삼성전자주식회사 | 디지털 멀티미디어 방송시스템에서 시그널링 파라미터를 송수신하는 방법 및 장치 |
JP4872518B2 (ja) * | 2006-08-09 | 2012-02-08 | 住友電気工業株式会社 | 通信装置及び通信方法 |
KR100864858B1 (ko) * | 2006-12-04 | 2008-10-23 | 한국전자통신연구원 | 지상파 디지털 멀티미디어 방송 수신 시스템에서의 동기장치 및 그 방법과, 이를 이용한 수신 장치 |
RU2441334C2 (ru) * | 2007-08-30 | 2012-01-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Устройство для передачи и приема сигнала и способ для передачи и приема сигнала |
US20090109955A1 (en) * | 2007-10-31 | 2009-04-30 | Qualcomm Incorporated | Method and apparatus for improved frame synchronization in a wireless communication network |
CN101364863B (zh) * | 2008-09-27 | 2011-11-02 | 华为技术有限公司 | 同步网中主、从时钟侧的时间同步方法 |
US20100284425A1 (en) * | 2009-05-11 | 2010-11-11 | David Hood | System and method of using tdm variable frame lengths in a telecommunications network |
JP5811895B2 (ja) * | 2012-02-28 | 2015-11-11 | 三菱電機株式会社 | 通信装置及び通信方法 |
US20160219331A1 (en) * | 2013-08-22 | 2016-07-28 | Thomson Licensing | Wakeup message for a digital television system |
US10432680B2 (en) * | 2015-06-02 | 2019-10-01 | Sony Corporation | System time frequency and time information |
US10397026B2 (en) * | 2015-11-04 | 2019-08-27 | ONE Media, LLC | Sampling clock alignment and time offset signaling for symbol-aligned frames |
-
2016
- 2016-09-30 EP EP16785592.3A patent/EP3365998B1/en active Active
- 2016-09-30 CN CN201680061078.1A patent/CN108370296B/zh active Active
- 2016-09-30 US US15/760,566 patent/US11102379B2/en active Active
- 2016-09-30 WO PCT/US2016/054603 patent/WO2017069924A1/en active Application Filing
- 2016-09-30 KR KR1020187010711A patent/KR102636417B1/ko active IP Right Grant
- 2016-09-30 CA CA3001901A patent/CA3001901C/en active Active
- 2016-09-30 MX MX2018004732A patent/MX2018004732A/es unknown
-
2018
- 2018-03-20 ZA ZA2018/01882A patent/ZA201801882B/en unknown
- 2018-04-11 DO DO2018000093A patent/DOP2018000093A/es unknown
Also Published As
Publication number | Publication date |
---|---|
US11102379B2 (en) | 2021-08-24 |
KR20180073569A (ko) | 2018-07-02 |
ZA201801882B (en) | 2019-09-25 |
CA3001901C (en) | 2023-06-27 |
DOP2018000093A (es) | 2018-06-30 |
EP3365998B1 (en) | 2020-11-04 |
KR102636417B1 (ko) | 2024-02-15 |
US20180262653A1 (en) | 2018-09-13 |
CN108370296B (zh) | 2021-12-14 |
WO2017069924A1 (en) | 2017-04-27 |
CA3001901A1 (en) | 2017-04-27 |
CN108370296A (zh) | 2018-08-03 |
EP3365998A1 (en) | 2018-08-29 |
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