Title :
Fast data broadcasting and receiving scheme for popular video service
Author :
Juhn, Li-Shen ; Tseng, Li-Ming
Author_Institution :
Distributed Syst. Lab., Nat. Central Univ., Chung-Li, Taiwan
fDate :
3/1/1998 12:00:00 AM
Abstract :
Using multiple channels to broadcast a popular video can reduce the viewer´s waiting time to approach video-on-demand service. For a given bandwidth allocation, pyramid broadcasting schemes can provide users with shorter waiting time as compared with conventional broadcasting schemes. However, for a 120-minute movie, the waiting time is only reduced to 20 minutes as we allocate 4 video channels for the movie. The harmonic broadcasting scheme can reduce the waiting time to 4 minutes but it can not support the live telecast. This paper presents a new broadcasting scheme, which can support live videos and reduce the waiting time to 8 minutes for the above case. With the same waiting requirement for a hot video, the new scheme can greatly reduce the bandwidth requirements and provide heterogeneous users´ services
Keywords :
bandwidth compression; data communication; interactive television; telecommunication channels; television broadcasting; video signal processing; 8 min; bandwidth allocation; bandwidth reduction; fast data broadcasting; fast data receiving scheme; harmonic broadcasting; live videos; multiple channels; popular video service; pyramid broadcasting; video channels; video-on-demand service; waiting time reduction; Bandwidth; Channel allocation; Computer science; Councils; Digital video broadcasting; Motion pictures; Multimedia communication; TV broadcasting; Video on demand;
Journal_Title :
Broadcasting, IEEE Transactions on
