KR100982630B1 - 콘텐츠의 스트림 비트율을 조정하기 위한 디바이스 및프로세스 그리고 관련 제품 - Google Patents
콘텐츠의 스트림 비트율을 조정하기 위한 디바이스 및프로세스 그리고 관련 제품 Download PDFInfo
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- H—ELECTRICITY
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- 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
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/28—Flow control; Congestion control in relation to timing considerations
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- 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
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1671—Details of the supervisory signal the supervisory signal being transmitted together with control information
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1854—Scheduling and prioritising arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/18—End to end
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2416—Real-time traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/25—Flow control; Congestion control with rate being modified by the source upon detecting a change of network conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/26—Flow control; Congestion control using explicit feedback to the source, e.g. choke packets
- H04L47/263—Rate modification at the source after receiving feedback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/28—Flow control; Congestion control in relation to timing considerations
- H04L47/283—Flow control; Congestion control in relation to timing considerations in response to processing delays, e.g. caused by jitter or round trip time [RTT]
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- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
Abstract
Description
Claims (12)
- 적어도 하나의 수신기(1)의 프로세싱 능력들의 함수로서 콘텐츠(CONT)의 스트림 비트율을 조정하기 위한 디바이스(10)로서,상기 콘텐츠(CONT)는 네트워크(5)를 통해 송신기(2)에 의해 상기 수신기(1)로 전송되고, 통신 프로토콜에 따라 상기 수신기(1)는 상기 콘텐츠(CONT)의 수신 데이터(REP)를 상기 송신기(2)로 리턴 전송하며,상기 디바이스(10)는,상기 능력들에 관한 정보를 입력하기 위한 모듈(11),적어도 상기 정보의 함수로서 상기 비트율에 대해 요구되는 레벨을 평가하기 위한 모듈(12), 및스트림 조정 큐들을 기록하기 위한 모듈(13) - 상기 모듈(13)은 상기 송신기(2)로 리턴 전송되는 상기 수신 데이터(REP)에 상기 조정 큐들을 기록하며, 상기 조정 큐들은 상기 요구되는 레벨에 관련하여 상기 비트율의 수정을 야기할 수 있음 -을 포함하고,상기 통신 프로토콜은 상기 송신기(2)와 상기 수신기(1) 사이의, 상기 네트워크(5)에서의 상기 콘텐츠(CONT)의 통신 조건들에 관한 적어도 하나의 파라미터를 상기 송신기(2)로 리턴 전송하는 것을 제공하고, 상기 기록 모듈(13)은 상기 조정 큐들을 전송하는데에 상기 파라미터를 사용하는 방식으로 상기 파라미터를 수정하는 것을 특징으로 하는 조정 디바이스.
- 제1항에 있어서,상기 통신 프로토콜은 RTCP 프로토콜인 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 있어서,상기 프로토콜의 상기 파라미터(DLSR)는 상기 송신기(2)와 상기 수신기(1) 간의 왕복 전송 지연(round trip transmission delay, RTT)을 계산하는 데 사용되는 것을 특징으로 하는 조정 디바이스.
- 제3항에 있어서,상기 프로토콜의 상기 파라미터는 상기 콘텐츠(CONT)의 수신 순간과, 상기 수신기(1)에 의한 상기 수신 데이터(REP)의 송신 순간 사이에 상기 수신기(1)에 도입된 지연(DLSR)을 포함하는 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 있어서,상기 프로토콜의 상기 파라미터는 콘텐츠 손실율(p)을 포함하는 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 있어서,상기 기록 모듈(13)은 상기 파라미터의 몇개의 연속적인 변동들에 의해 상기 파라미터를 수정할 수 있는 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 있어서,상기 평가 모듈(12)은 상기 수신기(1)의 상기 능력들의 공유율의 함수로서 콘텐츠(CONT)의 상기 스트림의 상기 비트율에 대해 얻어지는 값을 또한 결정할 수 있는 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 있어서,상기 입력 모듈(11) 및 평가 모듈(12)은, 상기 수신기(1)의 상기 프로세싱 능력들이 데이터 프로세싱 속도, 메모리 용량, 에너지 소비, 및 상기 콘텐츠(CONT)의 프로세싱에 전용인 컴포넌트들의 존재(presence) 중에서 선택된, 상기 수신기 성능의 적어도 하나의 기준을 포함하도록 설계된 것을 특징으로 하는 조정 디바이스.
- 제1항 또는 제2항에 따른 비트율을 조정하기 위한 디바이스(10)를 포함하는 것을 특징으로 하는 수신 단말기(1).
- 적어도 하나의 수신기(1)의 프로세싱 능력들의 함수로서 콘텐츠(CONT)의 스트림의 비트율을 조정하기 위한 프로세스로서,상기 콘텐츠(CONT)는 네트워크(5)를 통해 송신기(2)에 의해 상기 수신기(1)로 전송되고, 통신 프로토콜에 따라 상기 수신기(1)는 상기 콘텐츠(CONT)의 수신 데이터(REP)를 상기 송신기(2)로 리턴 전송하며,상기 프로세스는,적어도 상기 능력들에 관한 정보의 함수로서 상기 비트율에 대해 요구되는 레벨을 평가하는 단계, 및상기 송신기(2)로 리턴 전송되는 상기 수신 데이터(REP)에 스트림 조정 큐들을 기록하는 단계 - 상기 조정 큐들은 상기 요구되는 레벨에 관련하여 상기 비트율의 수정을 야기할 수 있음 -를 포함하고,상기 통신 프로토콜은 상기 송신기(2)와 상기 수신기(1) 사이의, 상기 네트워크(5)에서의 상기 콘텐츠(CONT)의 통신 조건들에 관한 적어도 하나의 파라미터를 상기 송신기(2)로 리턴 전송하는 것을 제공하고, 상기 큐들은 상기 조정 큐들을 전송하는데에 상기 파라미터를 사용하는 방식으로 상기 파라미터를 수정하는 동안 기록되는것을 특징으로 하는 조정 프로세스.
- 제10항에 있어서,상기 네트워크(5)는 점대점 통신 네트워크이고, 상기 콘텐츠(CONT)의 스트림은 연속해서 전송되는 것을 특징으로 하는 조정 프로세스.
- 컴퓨터상에서 실행될 때 제10항 또는 제11항에 따른 프로세스의 단계들을 실행하기 위한 프로그램 코드 명령어들이 기록된 컴퓨터 프로그램 기록 매체.
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FR0300009A FR2849733A1 (fr) | 2003-01-02 | 2003-01-02 | Dispositif et procede d'ajustement de debit d'un flux de contenus et produits associes |
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EP (1) | EP1597891A1 (ko) |
JP (1) | JP4384992B2 (ko) |
KR (1) | KR100982630B1 (ko) |
CN (1) | CN100490443C (ko) |
AU (1) | AU2003299239A1 (ko) |
FR (1) | FR2849733A1 (ko) |
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2003
- 2003-01-02 FR FR0300009A patent/FR2849733A1/fr active Pending
- 2003-12-15 US US10/539,431 patent/US7739399B2/en active Active
- 2003-12-15 AU AU2003299239A patent/AU2003299239A1/en not_active Abandoned
- 2003-12-15 CN CNB2003801081330A patent/CN100490443C/zh not_active Expired - Fee Related
- 2003-12-15 JP JP2004564242A patent/JP4384992B2/ja not_active Expired - Fee Related
- 2003-12-15 WO PCT/EP2003/051012 patent/WO2004062226A1/en active Application Filing
- 2003-12-15 KR KR1020057012529A patent/KR100982630B1/ko active IP Right Grant
- 2003-12-15 MX MXPA05006837A patent/MXPA05006837A/es active IP Right Grant
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US7739399B2 (en) | 2010-06-15 |
AU2003299239A1 (en) | 2004-07-29 |
CN1732666A (zh) | 2006-02-08 |
MXPA05006837A (es) | 2005-08-16 |
JP4384992B2 (ja) | 2009-12-16 |
CN100490443C (zh) | 2009-05-20 |
US20060056523A1 (en) | 2006-03-16 |
FR2849733A1 (fr) | 2004-07-09 |
WO2004062226A1 (en) | 2004-07-22 |
JP2006512843A (ja) | 2006-04-13 |
EP1597891A1 (en) | 2005-11-23 |
KR20050091054A (ko) | 2005-09-14 |
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