KR101185200B1 - 무선 네트워크들에서 실시간 정보의 적응적인 인코딩을 위한 방법 및 시스템 - Google Patents
무선 네트워크들에서 실시간 정보의 적응적인 인코딩을 위한 방법 및 시스템 Download PDFInfo
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
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- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
- H04N21/2402—Monitoring of the downstream path of the transmission network, e.g. bandwidth available
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- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
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- 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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/65—Transmission of management data between client and server
- H04N21/658—Transmission by the client directed to the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
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Abstract
Description
Claims (37)
- 무선 통신들에서 실시간 정보 인코딩을 위한 액세스 터미널 장치로서,무선 액세스 모듈로부터 데이터 송신과 관련된 피드백 정보를 수신하도록 구성된 레이트 적응 유닛(rate-adaptation unit); 및상기 피드백 정보에 따라 실시간 정보를 인코딩하도록 구성된 인코더를 포함하고,상기 피드백 정보는 상기 액세스 터미널 장치 내에서 지연없이 이용가능한 로컬 피드백 정보(local feedback information), 및 무선 통신 네트워크를 통해 제 2 액세스 터미널로부터 전송되는 단대단 피드백 정보(end-to-end feedback information)를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 인코더는 상기 피드백 정보에 따라 인코딩 레이트(encoding rate)를 적응(adapt)시키도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제2항에 있어서,상기 인코딩 레이트는 양자화 파라미터 및 프레임 레이트 중 적어도 하나에 의해 조절되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 인코더는 상기 피드백 정보에 부분적으로 기초하여, 인코딩될 상기 실시간 정보의 유닛을 결정하도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제4항에 있어서,상기 로컬 피드백 정보는 역방향 링크 손실 패킷 정보와 관련되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제4항에 있어서,상기 인코더는 인코딩될 후속 프레임에 대한 타입을 선택하도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제6항에 있어서,상기 프레임 타입은 I-타입 프레임 및 P-타입 프레임 중 하나와, P-타입 프레임과 관련된 기준 프레임을 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 삭제
- 제1항에 있어서,상기 피드백 정보는 역방향 링크 데이터 지연 및 단대단 데이터 지연 중 적어도 하나를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 로컬 피드백 정보는 역방향 링크 채널 상황을 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제10항에 있어서,상기 역방향 링크 채널 상황은 상기 액세스 터미널 장치와 관련된 추정된 채널 레이트 및 송신 전력 헤드룸 중 적어도 하나를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 피드백 정보는 역방향 링크 섹터 로딩 상태를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 피드백 정보는 역방향 링크 물리층 패킷 페이로드 및 역방향 링크 MAC층 패킷 페이로드 중 적어도 하나를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 피드백 정보는 상기 무선 액세스 모듈에 버퍼링된 데이터의 양과 관련되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제1항에 있어서,상기 무선 통신 네트워크와 통신 상태에 있도록 구성된 상기 무선 액세스 모듈을 더 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 무선 통신들에서 실시간 정보 인코딩을 위한 액세스 터미널 장치로서,무선 액세스 모듈로부터 데이터 송신과 관련된 피드백 정보를 수신하기 위한 수단; 및상기 피드백 정보에 따라 실시간 정보를 인코딩하기 위한 수단을 포함하고,상기 피드백 정보는 상기 액세스 터미널 장치 내에서 지연없이 이용가능한 로컬 피드백 정보, 및 무선 통신 네트워크를 통해 제 2 액세스 터미널로부터 전송되는 단대단 피드백 정보를 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제16항에 있어서,상기 인코딩 수단은 상기 피드백 정보에 따라 인코딩 레이트를 적응시키도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제17항에 있어서,상기 인코딩 레이트는 양자화 파라미터 및 프레임 레이트 중 적어도 하나에 의해 조정되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제16항에 있어서,상기 인코딩 수단은 상기 피드백 정보에 부분적으로 기초하여, 인코딩될 상기 실시간 정보의 유닛을 결정하도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제19항에 있어서,상기 인코딩 수단은 인코딩될 후속 프레임에 대한 타입을 선택하도록 또한 구성되는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 무선 통신들에서 실시간 정보 인코딩을 위한 방법으로서,무선 액세스 모듈로부터 데이터 송신과 관련된 피드백 정보를 액세스 터미널에서 수신하는 단계; 및상기 피드백 정보에 따라 실시간 정보를 인코딩하는 단계를 포함하고,상기 피드백 정보는 상기 액세스 터미널 내에서 지연없이 이용가능한 로컬 피드백 정보, 및 무선 통신 네트워크를 통해 제 2 액세스 터미널로부터 전송되는 단대단 피드백 정보를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,상기 실시간 정보를 인코딩하는 단계는 상기 피드백 정보에 따라 인코딩 레이트를 적응시키는 단계를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,양자화 파라미터 및 프레임 레이트 중 적어도 하나에 의해 인코딩 레이트를 조정하는 단계를 더 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,상기 실시간 정보를 인코딩하는 단계는 상기 피드백 정보에 부분적으로 기초하여, 인코딩될 상기 실시간 정보의 유닛을 결정하는 단계를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제24항에 있어서,인코딩될 후속 프레임에 대한 프레임 타입을 선택하는 단계를 더 포함하는,실시간 정보 인코딩을 위한 방법.
- 제24항에 있어서,상기 로컬 피드백 정보는 역방향 링크 손실 패킷 정보와 관련되는,실시간 정보 인코딩을 위한 방법.
- 삭제
- 제21항에 있어서,상기 피드백 정보는 역방향 링크 데이터 지연 및 단대단 데이터 지연 중 적어도 하나를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,상기 로컬 피드백 정보는 역방향 링크 채널 상황을 포함하는,실시간 정보 인코딩을 위한 방법.
- 제29항에 있어서,상기 역방향 링크 채널 상황은 상기 액세스 터미널과 관련된 추정된 채널 레이트 및 이용가능한 송신 전력 중 적어도 하나를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,상기 피드백 정보는 역방향 링크 섹터 로딩 상태를 포함하는,실시간 정보 인코딩을 위한 방법.
- 제21항에 있어서,상기 피드백 정보는 상기 무선 액세스 모듈에 버퍼링된 데이터의 양과 관련되는,실시간 정보 인코딩을 위한 방법.
- 제22항에 있어서,역방향 링크 데이터 지연을 수신하는 단계;상기 역방향 링크 데이터 지연을 적어도 하나의 임계치와 비교하는 단계; 및상기 비교에 따라 상기 인코딩 레이트를 조정하는 단계를 더 포함하는,실시간 정보 인코딩을 위한 방법.
- 제33항에 있어서,단대단 데이터 지연을 수신하는 단계; 및상기 단대단 데이터 지연에 부분적으로 기초하여 상기 적어도 하나의 임계치를 조정하는 단계를 더 포함하는,실시간 정보 인코딩을 위한 방법.
- 제33항에 있어서,상기 인코딩 레이트는 양자화 파라미터 및 프레임 레이트 중 적어도 하나에 의해 조정되는,실시간 정보 인코딩을 위한 방법.
- 제17항에 있어서,역방향 링크 데이터 지연을 수신하기 위한 수단;상기 역방향 링크 데이터 지연을 적어도 하나의 임계치와 비교하기 위한 수단; 및상기 비교에 따라 상기 인코딩 레이트를 조정하기 위한 수단을 더 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
- 제36항에 있어서,단대단 데이터 지연을 수신하기 위한 수단; 및상기 단대단 데이터 지연에 부분적으로 기초하여 상기 적어도 하나의 임계치를 조정하기 위한 수단을 더 포함하는,실시간 정보 인코딩을 위한 액세스 터미널 장치.
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EP2290980A2 (en) | 2011-03-02 |
KR20080070669A (ko) | 2008-07-30 |
AU2006327094A1 (en) | 2007-06-28 |
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TWI346481B (en) | 2011-08-01 |
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JP2009513071A (ja) | 2009-03-26 |
RU2008120028A (ru) | 2009-11-27 |
RU2384008C2 (ru) | 2010-03-10 |
RU2008120004A (ru) | 2009-11-27 |
TWI446754B (zh) | 2014-07-21 |
EP2290980B1 (en) | 2019-02-27 |
AU2006327094B2 (en) | 2010-07-29 |
CN101326830B (zh) | 2012-05-09 |
EP1938610B1 (en) | 2019-01-23 |
KR20100111753A (ko) | 2010-10-15 |
JP4927857B2 (ja) | 2012-05-09 |
CA2626771C (en) | 2013-02-12 |
WO2007073508A1 (en) | 2007-06-28 |
EP1938610A1 (en) | 2008-07-02 |
BRPI0617710A2 (pt) | 2011-08-02 |
US8842555B2 (en) | 2014-09-23 |
CN101326830A (zh) | 2008-12-17 |
RU2390966C2 (ru) | 2010-05-27 |
EP2290980A3 (en) | 2011-03-23 |
CA2626771A1 (en) | 2007-06-28 |
US20070091815A1 (en) | 2007-04-26 |
TW201108670A (en) | 2011-03-01 |
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