Channel Prebuffering for IPTV Service
Date Issued
2007
Date
2007
Author(s)
Hsieh, Chen-Kai
DOI
en-US
Abstract
The Internet Protocol
TeleVision (IPTV) service utilizes the broadband IP network to provide users TV applications. Due to bandwidth limitation, IPTV does not broadcast the contents of all channels to its users. When a user switches to a channel whose content has not been delivered to the user, a delay called channel zapping time for waiting the content of the switched channel incurs. Furthermore, when the user switches to another channel before the content is received, the content will not be watched by the user, which is referred to as content miss. This paper proposes a Dynamic Prebuffering Scheme (DPS) to reduce the channel zapping time and the content miss probability. Both analytic and simulation models are developed to investigate the performance of the proposed scheme. This study indicates that the DPS can significantly reduce the channel zapping time and the content miss probability by slightly introducing bandwidth consumption.
TeleVision (IPTV) service utilizes the broadband IP network to provide users TV applications. Due to bandwidth limitation, IPTV does not broadcast the contents of all channels to its users. When a user switches to a channel whose content has not been delivered to the user, a delay called channel zapping time for waiting the content of the switched channel incurs. Furthermore, when the user switches to another channel before the content is received, the content will not be watched by the user, which is referred to as content miss. This paper proposes a Dynamic Prebuffering Scheme (DPS) to reduce the channel zapping time and the content miss probability. Both analytic and simulation models are developed to investigate the performance of the proposed scheme. This study indicates that the DPS can significantly reduce the channel zapping time and the content miss probability by slightly introducing bandwidth consumption.
Subjects
頻道切換
網路電視
群播服務
預先緩衝
Channel Zapping
IPTV
Multicast Service
Prebuffer
Type
thesis
File(s)![Thumbnail Image]()
Loading...
Name
ntu-96-R94922071-1.pdf
Size
23.31 KB
Format
Adobe PDF
Checksum
(MD5):f130709044d00977f8115dbb712ebda0