Upgrading strategies for next generation multimedia networks

被引：0
|
作者：
Yoshitaka, T [1 ]
Ito, K [1 ]
机构：
[1] Toyo Univ, Dept Elect & Elect Engn, Tokyo, Japan
来源：
MULTIMEDIA SYSTEMS AND APPLICATIONS IV | 2001年 / 4518卷
关键词：
upgrading strategies; next generation multimedia network; compatibility; super-high-definition pictures; super-multi-channel systems; super-large capacity memories; variable aspect ratio systems; simulcast in broad sense;
D O I：
10.1117/12.448191
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Upgrading strategies are investigated for application in future super-broadband subscriber loops, where such technologies as super-multi-channel distribution, super-high-definition pictures, super large capacity storage and all-optical transport are expected to be-come available. Gradual upgrading is considered so that future systems can keep compatibility with existing systems. First, time frame and strategies for subscriber loop upgrade are overviewed and assumptions for evolution of broadband multimedia distribution systems are discussed. Next, upgrading strategies for broadband multimedia distribution are overviewed to discuss new schemes for representing super-high-definition (SHD) video channels and to show that considerably large number of additional channel counts can be required when upgradability and compatibility are taken into consideration. Finally, optimization of above mentioned upgradable and compatible super-multimedia distribution schemes is investigated.
引用
收藏
页码：1 / 5
页数：5
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