摘要
给出一种在IEEE 802.16宽带无线网络中提供视频点播、传输流媒体信息的解决方案.该方案利用基于H.264扩展分级视频编码技术,以及一种通过实时监控网络中流量拥塞状况而进行自适应码率控制的机制.仿真结果表明,采用该方法无线接入资源利用率达到96%,能够有效保证视频流平滑、稳定传输,视频信息持续播放.
A solution to delivering streaming video-on-demand to subscribers via an 802.16 broadband wireless access network is presented.The solution covers the forthcoming H.264/AVC Scalable Video Coding(SVC) scheme and a mechanism to perform rate adaptation based on monitoring changes to the amount of flow traffic in the network at any time.A simulation-based approach shows that the scheme provides high utilization of the wireless access system,at over 96%.Further,it maintains smooth transmission rate for the video applications,and ensures that there are no interruptions in continuous video playback.
出处
《大庆石油学院学报》
CAS
北大核心
2009年第4期88-91,共4页
Journal of Daqing Petroleum Institute
关键词
扩展分级编码
拥塞控制
自适应
scalable video coding
congestion control
adaptation
