摘要
针对移动流媒体系统中无线接入网带宽窄、终端缓存空间小的特点,提出了一种适用于3G WCDMA网络的流媒体缓存体系结构WSCA,设计了基于缓存的移动流媒体调度策略WSCS,探讨了WSCA系统在实现中的技术细节。分析表明,WSCA体系与WSCS调度策略结合,能有效提高用户服务质量,降低核心网络带宽消耗,对3G流媒体应用具有一定的参考价值。
According to the characters of mobile streaming system such as low bandwidth in wireless access network and small memory size in mobile handset, a novel caching system architecture WSCA for 3G WCDMA network is proposed. A cache-based mobile streaming schedule policy named WSCS is designed, and technique details are discussed. Analysis shows, combining with WSCS streaming schedule policy, WSCA architecture can effectively decrease the core network transmission cost and improve the quality of services, and it is valuable for 3G streaming service application system.
出处
《计算机工程》
CAS
CSCD
北大核心
2007年第13期213-215,共3页
Computer Engineering
基金
国家杰出青年科学基金资助项目(60525110)
新世纪优秀人才支持计划基金资助项目(NCET-04-0111)
高等学校博士学科点专项科研基金资助项目(20030013006)
电子信息产业发展基金资助重点项目"下一代网络核心业务平台"
关键词
移动流媒体系统
两级缓存
调度策略
mobile streaming media system
two-level cache
schedule policy
