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Registered METHOD AND APPARATUS FOR PERFORMING NON REAL TIME SERVICE IN DIGITAL BROADCAST SYSTEM

디지털 방송에서 오류없는 비실시간 서비스를 제공하기 위한 방법 및 그 장치
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Inventors
Kwon Hyoung Jin, Lee Gwang Soon, Yun Kug Jin, Hyun-Jeong Yim, Jung Kwanghee, Lee Soo In, Namho Hur
Application No.
13287685 (2011.11.02)
Publication No.
20120110404 (2012.05.03)
Registration No.
9160638 (2015.10.13)
Country
UNITED STATES
Project Code
10MR4600, Development and standardization of Terrestrial Stereoscopic 3DTV Broadcasting System technology, Jin Woong Kim
Abstract
Disclosed herein is a non real-time broadcast receiving system. The system includes: a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol; a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule regarding whether a portion with errors in the non real-time service content is retransmitted; a memory storing a portion without errors in the non real-time service content; a file checker checking whether errors are produced during the receive of the non real-time service contents and determining whether the portion with errors in the non real-time service content is retransmitted; a retransmission request signal generator generating a retransmission request signal; a return channel transmitter transmitting the retransmission request signal; and a return channel receiver receiving data corresponding the portion with error.
KSP Keywords
Real-Time, Receiving system, Return channel, Service content, Signal Generator, non-Real-Time(nRT), real-time services, time service
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Status Patent Country KIPRIS
Registered METHOD AND APPARATUS FOR PERFORMING NON REAL TIME SERVICE IN DIGITAL BROADCAST SYSTEM KOREA KIPRIS